[Keyboard] Add HotDox keyboard (#5365)

* Add HotDox

* Update keyboards/hotdox/config.h

Co-Authored-By: layne001365 <layne.guan@gmail.com>

* Update keyboards/hotdox/config.h

Co-Authored-By: layne001365 <layne.guan@gmail.com>

* Update keyboards/hotdox/config.h

Co-Authored-By: layne001365 <layne.guan@gmail.com>

* Update keyboards/hotdox/config.h

Co-Authored-By: layne001365 <layne.guan@gmail.com>

* Update keyboards/hotdox/keymaps/default/keymap.c

Co-Authored-By: layne001365 <layne.guan@gmail.com>

* * Update

  - keyboards/hotdox/config.h
  - keyboards/hotdox/hotdox.h
  - keyboards/hotdox/info.json
  - keyboards/hotdox/left.h
  - keyboards/hotdox/left.c
  - keyboards/hotdox/rules.mk

* Replace EPRM with EPRM

  - keyboards/hotdox/keymaps/default/keymap.c
  - keyboards/hotdox/keymaps/eozaki/keymap.c
  - keyboards/hotdox/keymaps/kloki/keymap.c

* Remove keymaps readme.md
* Remove twimaster.h/ twimaster.c

* * Update
  - remove FORCE_NKRO from keyboards/hotdox/config.h
  - keyboards/hotdox/hotdox.c
  - keyboards/hotdox/hotdox.h
  - keyboards/hotdox/keymaps/default/keymap.c
  - keyboards/hotdox/left.c
  - keyboards/hotdox/readme.md
  - keyboards/hotdox/rules.mk

* Update keyboards/hotdox/keymaps/default/keymap.c

Co-Authored-By: layne001365 <layne.guan@gmail.com>

* Update keyboards/hotdox/keymaps/default/keymap.c

Co-Authored-By: layne001365 <layne.guan@gmail.com>

* Update keyboards/hotdox/rules.mk

Co-Authored-By: layne001365 <layne.guan@gmail.com>

* Update keyboards/hotdox/rules.mk

Co-Authored-By: layne001365 <layne.guan@gmail.com>

* Update keyboards/hotdox/rules.mk

Co-Authored-By: layne001365 <layne.guan@gmail.com>

* Update keyboards/hotdox/rules.mk

Co-Authored-By: layne001365 <layne.guan@gmail.com>

* Update keyboards/hotdox/rules.mk

Co-Authored-By: layne001365 <layne.guan@gmail.com>

* Update keyboards/hotdox/hotdox.h

Co-Authored-By: layne001365 <layne.guan@gmail.com>

* Update keyboards/hotdox/rules.mk

Co-Authored-By: layne001365 <layne.guan@gmail.com>

* Update keyboards/hotdox/rules.mk

Co-Authored-By: layne001365 <layne.guan@gmail.com>

* Update keyboards/hotdox/config.h

Co-Authored-By: layne001365 <layne.guan@gmail.com>

* Update keyboards/hotdox/config.h

Co-Authored-By: layne001365 <layne.guan@gmail.com>

12 files changed, 1583 insertions, 0 deletions

diff --git a/keyboards/hotdox/config.h b/keyboards/hotdox/config.h
new file mode 100644
index 000000000..ed15f4bb4
--- /dev/null
+++ b/keyboards/hotdox/config.h
@@ -0,0 +1,78 @@
+#pragma once
+
+#include "config_common.h"
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID       0xFEED
+#define PRODUCT_ID      0xE11D
+
+#define DEVICE_VER      0x0001
+#define MANUFACTURER    Z.P.Z.O.
+#define PRODUCT         HotDox
+#define DESCRIPTION     QMK keyboard firmware for HotDox
+
+/* key matrix size */
+#define MATRIX_ROWS 6
+#define MATRIX_COLS 14
+
+#define MOUSEKEY_INTERVAL       20
+#define MOUSEKEY_DELAY          0
+#define MOUSEKEY_TIME_TO_MAX    60
+#define MOUSEKEY_MAX_SPEED      7
+#define MOUSEKEY_WHEEL_DELAY    0
+
+#define TAPPING_TOGGLE  1
+
+/* define if matrix has ghost */
+//#define MATRIX_HAS_GHOST
+
+#define TAPPING_TERM    200
+#define IGNORE_MOD_TAP_INTERRUPT // this makes it possible to do rolling combos (zx) with keys that convert to other keys on hold (z becomes ctrl when you hold it, and when this option isn't enabled, z rapidly followed by x actually sends Ctrl-x. That's bad.)
+
+/* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
+#define LOCKING_SUPPORT_ENABLE
+/* Locking resynchronize hack */
+#define LOCKING_RESYNC_ENABLE
+
+/* key combination for command */
+#ifndef IS_COMMAND
+#define IS_COMMAND() ( \
+    get_mods() == MOD_MASK_CTRL || \
+    get_mods() == MOD_MASK_SHIFT   \
+)
+#endif
+
+#define BACKLIGHT_PIN B7
+/* number of backlight levels */
+#define BACKLIGHT_LEVELS 3
+
+#define LED_BRIGHTNESS_LO       15
+#define LED_BRIGHTNESS_HI       255
+
+/* fix space cadet rollover issue */
+#define DISABLE_SPACE_CADET_ROLLOVER
+
+/* Set 0 if debouncing isn't needed */
+#define DEBOUNCE    5
+
+#define USB_MAX_POWER_CONSUMPTION 500
+
+/*
+ * Feature disable options
+ *  These options are also useful to firmware size reduction.
+ */
+
+/* disable debug print */
+// #define NO_DEBUG
+
+/* disable print */
+// #define NO_PRINT
+
+/* disable action features */
+//#define NO_ACTION_LAYER
+//#define NO_ACTION_TAPPING
+//#define NO_ACTION_ONESHOT
+//#define NO_ACTION_MACRO
+//#define NO_ACTION_FUNCTION
+//#define DEBUG_MATRIX_SCAN_RATE
+
diff --git a/keyboards/hotdox/hotdox.c b/keyboards/hotdox/hotdox.c
new file mode 100644
index 000000000..00af9efb1
--- /dev/null
+++ b/keyboards/hotdox/hotdox.c
@@ -0,0 +1,44 @@
+#include "hotdox.h"
+#include "backlight.h"
+#include "quantum.h"
+
+extern inline void ergodox_board_led_on(void);
+extern inline void ergodox_right_led_1_on(void);
+extern inline void ergodox_right_led_2_on(void);
+extern inline void ergodox_right_led_3_on(void);
+
+extern inline void ergodox_board_led_off(void);
+extern inline void ergodox_right_led_1_off(void);
+extern inline void ergodox_right_led_2_off(void);
+extern inline void ergodox_right_led_3_off(void);
+
+extern inline void ergodox_led_all_on(void);
+extern inline void ergodox_led_all_off(void);
+
+void ergodox_led_init(void);
+void ergodox_blink_all_leds(void);
+
+void matrix_init_kb(void) {
+  ergodox_blink_all_leds();
+  matrix_init_user();
+}
+
+void ergodox_blink_all_leds(void)
+{
+    ergodox_led_all_off();
+    ergodox_led_all_set(LED_BRIGHTNESS_HI);
+    ergodox_right_led_1_on();
+    _delay_ms(50);
+    ergodox_right_led_2_on();
+    _delay_ms(50);
+    ergodox_right_led_3_on();
+    _delay_ms(50);
+    ergodox_right_led_1_off();
+    _delay_ms(50);
+    ergodox_right_led_2_off();
+    _delay_ms(50);
+    ergodox_right_led_3_off();
+    ergodox_led_all_on();
+    _delay_ms(333);
+    ergodox_led_all_off();
+}
diff --git a/keyboards/hotdox/hotdox.h b/keyboards/hotdox/hotdox.h
new file mode 100644
index 000000000..d79f335ad
--- /dev/null
+++ b/keyboards/hotdox/hotdox.h
@@ -0,0 +1,187 @@
+#pragma once
+
+#include "quantum.h"
+#include <stdint.h>
+#include <stdbool.h>
+
+#define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
+#define CPU_16MHz       0x00
+
+void init_ergodox(void);
+
+inline void ergodox_board_led_on(void)    { DDRB |= (1<<PB7); PORTB |= (1<<PB7);  }
+inline void ergodox_right_led_1_on(void)  { DDRB |= (1<<PB5); PORTB &= ~(1<<PB5); }
+inline void ergodox_right_led_2_on(void)  { DDRB |= (1<<PB6); PORTB &= ~(1<<PB6); }
+inline void ergodox_right_led_3_on(void)  { DDRB |= (1<<PB4); PORTB &= ~(1<<PB4); }
+
+inline void ergodox_board_led_off(void)   { DDRB |= (1<<PB7); PORTB &= ~(1<<PB7); }
+inline void ergodox_right_led_1_off(void) { DDRB |= (1<<PB5); PORTB |= (1<<PB5);  }
+inline void ergodox_right_led_2_off(void) { DDRB |= (1<<PB6); PORTB |= (1<<PB6);  }
+inline void ergodox_right_led_3_off(void) { DDRB |= (1<<PB4); PORTB |= (1<<PB4);  }
+
+inline void ergodox_right_led_on(uint8_t l) {
+    switch (l) {
+         case 1:
+             ergodox_right_led_1_on();
+             break;
+         case 2:
+             ergodox_right_led_2_on();
+             break;
+         case 3:
+             ergodox_right_led_3_on();
+             break;
+         default:
+             break;
+        }
+}
+
+inline void ergodox_right_led_off(uint8_t l) {
+    switch (l) {
+         case 1:
+             ergodox_right_led_1_off();
+             break;
+         case 2:
+             ergodox_right_led_2_off();
+             break;
+         case 3:
+             ergodox_right_led_3_off();
+             break;
+         default:
+             break;
+        }
+}
+
+inline void ergodox_led_all_on(void) {
+    ergodox_board_led_on();
+    ergodox_right_led_1_on();
+    ergodox_right_led_2_on();
+    ergodox_right_led_3_on();
+}
+
+inline void ergodox_led_all_off(void) {
+    ergodox_board_led_off();
+    ergodox_right_led_1_off();
+    ergodox_right_led_2_off();
+    ergodox_right_led_3_off();
+}
+
+inline void ergodox_right_led_1_set(uint8_t n)          {}
+inline void ergodox_right_led_2_set(uint8_t n)          {}
+inline void ergodox_right_led_3_set(uint8_t n)          {}
+inline void ergodox_right_led_set(uint8_t l, uint8_t n) {}
+inline void ergodox_led_all_set(uint8_t n)              {}
+
+void ergodox_blink_all_leds(void);
+
+/*
+ *   LEFT HAND: LINES 76-83
+ *  RIGHT HAND: LINES 85-92
+ */
+#define LAYOUT_ergodox(                                         \
+                                                                \
+    k00,k01,k02,k03,k04,k05,k06,                                \
+    k10,k11,k12,k13,k14,k15,k16,                                \
+    k20,k21,k22,k23,k24,k25,                                    \
+    k30,k31,k32,k33,k34,k35,k36,                                \
+    k40,k41,k42,k43,k44,                                        \
+                            k55,k56,                            \
+                                k54,                            \
+                        k51,k52,k53,                            \
+                                                                \
+        k07,k08,k09,k0A,k0B,k0C,k0D,                            \
+        k17,k18,k19,k1A,k1B,k1C,k1D,                            \
+            k28,k29,k2A,k2B,k2C,k2D,                            \
+        k37,k38,k39,k3A,k3B,k3C,k3D,                            \
+                k49,k4A,k4B,k4C,k4D,                            \
+    k57,k58,                                                    \
+    k59,                                                        \
+    k5C,k5B,k5A )                                               \
+                                                                \
+   /* matrix positions */                                       \
+   {                                                            \
+    { k00,   k01, k02, k03, k04, k05,   k06,      k07,   k08,   k09, k0A, k0B, k0C, k0D    }, \
+    { k10,   k11, k12, k13, k14, k15,   k16,      k17,   k18,   k19, k1A, k1B, k1C, k1D    }, \
+    { k20,   k21, k22, k23, k24, k25,   KC_NO,    KC_NO, k28,   k29, k2A, k2B, k2C, k2D    }, \
+    { k30,   k31, k32, k33, k34, k35,   k36,      k37,   k38,   k39, k3A, k3B, k3C, k3D    }, \
+    { k40,   k41, k42, k43, k44, KC_NO, KC_NO,    KC_NO, KC_NO, k49, k4A, k4B, k4C, k4D    }, \
+    { KC_NO, k51, k52, k53, k54, k55,   k56,      k57,   k58,   k59, k5A, k5B, k5C, KC_NO  }  \
+   }
+
+/*
+ *   LEFT HAND: LINES 110-117
+ *  RIGHT HAND: LINES 119-126
+ */
+#define LAYOUT_ergodox_80(                                      \
+                                                                \
+    k00,k01,k02,k03,k04,k05,k06,                                \
+    k10,k11,k12,k13,k14,k15,k16,                                \
+    k20,k21,k22,k23,k24,k25,                                    \
+    k30,k31,k32,k33,k34,k35,k36,                                \
+    k40,k41,k42,k43,k44,                                        \
+                            k55,k56,                            \
+                        k45,k46,k54,                            \
+                        k53,k52,k51,                            \
+                                                                \
+        k07,k08,k09,k0A,k0B,k0C,k0D,                            \
+        k17,k18,k19,k1A,k1B,k1C,k1D,                            \
+            k28,k29,k2A,k2B,k2C,k2D,                            \
+        k37,k38,k39,k3A,k3B,k3C,k3D,                            \
+                k49,k4A,k4B,k4C,k4D,                            \
+    k57,k58,                                                    \
+    k59,k47,k48,                                                \
+    k5C,k5B,k5A )                                               \
+                                                                \
+   /* matrix positions */                                       \
+   {                                                            \
+    { k00,   k01, k02, k03, k04, k05, k06,      k07,   k08, k09, k0A, k0B, k0C, k0D    }, \
+    { k10,   k11, k12, k13, k14, k15, k16,      k17,   k18, k19, k1A, k1B, k1C, k1D    }, \
+    { k20,   k21, k22, k23, k24, k25, KC_NO,    KC_NO, k28, k29, k2A, k2B, k2C, k2D    }, \
+    { k30,   k31, k32, k33, k34, k35, k36,      k37,   k38, k39, k3A, k3B, k3C, k3D    }, \
+    { k40,   k41, k42, k43, k44, k45, k45,      k47,   k48, k49, k4A, k4B, k4C, k4D    }, \
+    { KC_NO, k51, k52, k53, k54, k55, k56,      k57,   k58, k59, k5A, k5B, k5C, KC_NO  }  \
+   }
+
+/*  ---------- LEFT HAND -----------       ---------- RIGHT HAND ---------- */
+#define LAYOUT_ergodox_pretty(                                                  \
+                                                                                \
+    L00,L01,L02,L03,L04,L05,L06,               R00,R01,R02,R03,R04,R05,R06,     \
+    L10,L11,L12,L13,L14,L15,L16,               R10,R11,R12,R13,R14,R15,R16,     \
+    L20,L21,L22,L23,L24,L25,                       R21,R22,R23,R24,R25,R26,     \
+    L30,L31,L32,L33,L34,L35,L36,               R30,R31,R32,R33,R34,R35,R36,     \
+    L40,L41,L42,L43,L44,                               R42,R43,R44,R45,R46,     \
+                            L55,L56,       R50,R51,                             \
+                                L54,       R52,                                 \
+                        L53,L52,L51,       R55,R54,R53 )                        \
+                                                                                \
+   /* matrix positions */                                                       \
+   {                                                                            \
+    {   L00,L01,L02,L03,L04,L05,L06,            R00,R01,R02,R03,R04,R05,R06  }, \
+    {   L10,L11,L12,L13,L14,L15,L16,            R10,R11,R12,R13,R14,R15,R16  }, \
+    {   L20,L21,L22,L23,L24,L25,KC_NO,        KC_NO,R21,R22,R23,R24,R25,R26  }, \
+    {   L30,L31,L32,L33,L34,L35,L36,            R30,R31,R32,R33,R34,R35,R36  }, \
+    { L40,L41,L42,L43,L44,KC_NO,KC_NO,    KC_NO,KC_NO,R42,R43,R44,R45,R46    }, \
+    { KC_NO,L51,L52,L53,L54,L55,L56,          R50,R51,R52,R53,R54,R55,KC_NO  }  \
+   }
+
+/*  ---------- LEFT HAND -----------       ---------- RIGHT HAND ---------- */
+#define LAYOUT_ergodox_pretty_80(                                              \
+                                                                               \
+    L00,L01,L02,L03,L04,L05,L06,               R00,R01,R02,R03,R04,R05,R06,    \
+    L10,L11,L12,L13,L14,L15,L16,               R10,R11,R12,R13,R14,R15,R16,    \
+    L20,L21,L22,L23,L24,L25,                       R21,R22,R23,R24,R25,R26,    \
+    L30,L31,L32,L33,L34,L35,L36,               R30,R31,R32,R33,R34,R35,R36,    \
+    L40,L41,L42,L43,L44,                               R42,R43,R44,R45,R46,    \
+                            L55,L56,       R50,R51,                            \
+                        L45,L46,L54,       R52,R40,R41,                        \
+                        L53,L52,L51,       R55,R54,R53 )                       \
+                                                                               \
+   /* matrix positions */                                                      \
+   {                                                                           \
+    {   L00,L01,L02,L03,L04,L05,L06,          R00,R01,R02,R03,R04,R05,R06   }, \
+    {   L10,L11,L12,L13,L14,L15,L16,          R10,R11,R12,R13,R14,R15,R16   }, \
+    {   L20,L21,L22,L23,L24,L25,KC_NO,      KC_NO,R21,R22,R23,R24,R25,R26   }, \
+    {   L30,L31,L32,L33,L34,L35,L36,          R30,R31,R32,R33,R34,R35,R36   }, \
+    {   L40,L41,L42,L43,L44,L45,L46,          R40,R41,R42,R43,R44,R45,R46   }, \
+    { KC_NO,L51,L52,L53,L54,L55,L56,          R50,R51,R52,R53,R54,R55,KC_NO }  \
+   }
+
diff --git a/keyboards/hotdox/info.json b/keyboards/hotdox/info.json
new file mode 100644
index 000000000..cdfcd990c
--- /dev/null
+++ b/keyboards/hotdox/info.json
@@ -0,0 +1,107 @@
+{
+    "keyboard_name": "HotDox",
+    "maintainer": "layne001365",
+    "width": 19.5,
+    "height": 9.375,
+
+    "layouts": {
+      "LAYOUT_ergodox": {
+
+          "layout": [
+            {"x":0, "y":0.375, "w":1.5}, {"x":1.5, "y":0.375}, {"x":2.5, "y":0.125}, {"x":3.5, "y":0}, {"x":4.5, "y":0.125}, {"x":5.5, "y":0.25}, {"x":6.5, "y":0.25},
+            {"x":0, "y":1.375, "w":1.5}, {"x":1.5, "y":1.375}, {"x":2.5, "y":1.125}, {"x":3.5, "y":1}, {"x":4.5, "y":1.125}, {"x":5.5, "y":1.25}, {"x":6.5, "y":1.25, "h":1.5},
+            {"x":0, "y":2.375, "w":1.5}, {"x":1.5, "y":2.375}, {"x":2.5, "y":2.125}, {"x":3.5, "y":2}, {"x":4.5, "y":2.125}, {"x":5.5, "y":2.25},
+            {"x":0, "y":3.375, "w":1.5}, {"x":1.5, "y":3.375}, {"x":2.5, "y":3.125}, {"x":3.5, "y":3}, {"x":4.5, "y":3.125}, {"x":5.5, "y":3.25}, {"x":6.5, "y":2.75, "h":1.5},
+                   {"x":0.5, "y":4.375}, {"x":1.5, "y":4.375}, {"x":2.5, "y":4.125}, {"x":3.5, "y":4}, {"x":4.5, "y":4.125},
+
+                                          {"x":6, "y":5}, {"x":7, "y":5},
+                                                          {"x":7, "y":6},
+            {"x":5, "y":6, "h":2}, {"x":6, "y":6, "h":2}, {"x":7, "y":7},
+
+
+                       {"x":9.5, "y":0.25}, {"x":10.5, "y":0.25}, {"x":11.5, "y":0.125}, {"x":12.5, "y":0}, {"x":13.5, "y":0.125}, {"x":14.5, "y":0.375}, {"x":15.5, "y":0.375, "w":1.5},
+              {"x":9.5, "y":1.25, "h":1.5}, {"x":10.5, "y":1.25}, {"x":11.5, "y":1.125}, {"x":12.5, "y":1}, {"x":13.5, "y":1.125}, {"x":14.5, "y":1.375}, {"x":15.5, "y":1.375, "w":1.5},
+                                            {"x":10.5, "y":2.25}, {"x":11.5, "y":2.125}, {"x":12.5, "y":2}, {"x":13.5, "y":2.125}, {"x":14.5, "y":2.375}, {"x":15.5, "y":2.375, "w":1.5},
+              {"x":9.5, "y":2.75, "h":1.5}, {"x":10.5, "y":3.25}, {"x":11.5, "y":3.125}, {"x":12.5, "y":3}, {"x":13.5, "y":3.125}, {"x":14.5, "y":3.375}, {"x":15.5, "y":3.375, "w":1.5},
+                                                                  {"x":11.5, "y":4.125}, {"x":12.5, "y":4}, {"x":13.5, "y":4.125}, {"x":14.5, "y":4.375}, {"x":15.5, "y":4.375},
+
+
+            {"x":9, "y":5}, {"x":10, "y":5},
+            {"x":9, "y":6},
+            {"x":9, "y":7}, {"x":10, "y":6, "h":2}, {"x":11, "y":6, "h":2}
+          ]
+      },
+      "LAYOUT_ergodox_pretty": {
+          "layout": [
+            {"x":0, "y":0.375, "w":1.5}, {"x":1.5, "y":0.375}, {"x":2.5, "y":0.125}, {"x":3.5, "y":0}, {"x":4.5, "y":0.125}, {"x":5.5, "y":0.25}, {"x":6.5, "y":0.25},
+            {"x":9.5, "y":0.25}, {"x":10.5, "y":0.25}, {"x":11.5, "y":0.125}, {"x":12.5, "y":0}, {"x":13.5, "y":0.125}, {"x":14.5, "y":0.375}, {"x":15.5, "y":0.375, "w":1.5},
+
+            {"x":0, "y":1.375, "w":1.5}, {"x":1.5, "y":1.375}, {"x":2.5, "y":1.125}, {"x":3.5, "y":1}, {"x":4.5, "y":1.125}, {"x":5.5, "y":1.25}, {"x":6.5, "y":1.25, "h":1.5},
+            {"x":9.5, "y":1.25, "h":1.5}, {"x":10.5, "y":1.25}, {"x":11.5, "y":1.125}, {"x":12.5, "y":1}, {"x":13.5, "y":1.125}, {"x":14.5, "y":1.375}, {"x":15.5, "y":1.375, "w":1.5},
+
+            {"x":0, "y":2.375, "w":1.5}, {"x":1.5, "y":2.375}, {"x":2.5, "y":2.125}, {"x":3.5, "y":2}, {"x":4.5, "y":2.125}, {"x":5.5, "y":2.25},
+            {"x":10.5, "y":2.25}, {"x":11.5, "y":2.125}, {"x":12.5, "y":2}, {"x":13.5, "y":2.125}, {"x":14.5, "y":2.375}, {"x":15.5, "y":2.375, "w":1.5},
+
+            {"x":0, "y":3.375, "w":1.5}, {"x":1.5, "y":3.375}, {"x":2.5, "y":3.125}, {"x":3.5, "y":3}, {"x":4.5, "y":3.125}, {"x":5.5, "y":3.25}, {"x":6.5, "y":2.75, "h":1.5},
+            {"x":9.5, "y":2.75, "h":1.5}, {"x":10.5, "y":3.25}, {"x":11.5, "y":3.125}, {"x":12.5, "y":3}, {"x":13.5, "y":3.125}, {"x":14.5, "y":3.375}, {"x":15.5, "y":3.375, "w":1.5},
+
+                   {"x":0.5, "y":4.375}, {"x":1.5, "y":4.375}, {"x":2.5, "y":4.125}, {"x":3.5, "y":4}, {"x":4.5, "y":4.125},
+                                                                  {"x":11.5, "y":4.125}, {"x":12.5, "y":4}, {"x":13.5, "y":4.125}, {"x":14.5, "y":4.375}, {"x":15.5, "y":4.375},
+
+                                          {"x":6, "y":5}, {"x":7, "y":5},      {"x":9, "y":5}, {"x":10, "y":5},
+                                                          {"x":7, "y":6},      {"x":9, "y":6},
+            {"x":5, "y":6, "h":2}, {"x":6, "y":6, "h":2}, {"x":7, "y":7},      {"x":9, "y":7}, {"x":10, "y":6, "h":2}, {"x":11, "y":6, "h":2}
+          ]
+      },
+      "LAYOUT_ergodox_80": {
+
+        "layout": [
+          {"x":0, "y":0.375, "w":1.5}, {"x":1.5, "y":0.375}, {"x":2.5, "y":0.125}, {"x":3.5, "y":0}, {"x":4.5, "y":0.125}, {"x":5.5, "y":0.25}, {"x":6.5, "y":0.25},
+          {"x":0, "y":1.375, "w":1.5}, {"x":1.5, "y":1.375}, {"x":2.5, "y":1.125}, {"x":3.5, "y":1}, {"x":4.5, "y":1.125}, {"x":5.5, "y":1.25}, {"x":6.5, "y":1.25, "h":1.5},
+          {"x":0, "y":2.375, "w":1.5}, {"x":1.5, "y":2.375}, {"x":2.5, "y":2.125}, {"x":3.5, "y":2}, {"x":4.5, "y":2.125}, {"x":5.5, "y":2.25},
+          {"x":0, "y":3.375, "w":1.5}, {"x":1.5, "y":3.375}, {"x":2.5, "y":3.125}, {"x":3.5, "y":3}, {"x":4.5, "y":3.125}, {"x":5.5, "y":3.25}, {"x":6.5, "y":2.75, "h":1.5},
+                 {"x":0.5, "y":4.375}, {"x":1.5, "y":4.375}, {"x":2.5, "y":4.125}, {"x":3.5, "y":4}, {"x":4.5, "y":4.125},
+
+                                        {"x":6, "y":5}, {"x":7, "y":5},
+
+                        {"x":5, "y":6}, {"x":6, "y":6}, {"x":7, "y":6},
+                        {"x":5, "y":7}, {"x":6, "y":7}, {"x":7, "y":7},
+
+
+                        {"x":9.5, "y":0.25}, {"x":10.5, "y":0.25}, {"x":11.5, "y":0.125}, {"x":12.5, "y":0}, {"x":13.5, "y":0.125}, {"x":14.5, "y":0.375}, {"x":15.5, "y":0.375, "w":1.5},
+                        {"x":9.5, "y":1.25, "h":1.5}, {"x":10.5, "y":1.25}, {"x":11.5, "y":1.125}, {"x":12.5, "y":1}, {"x":13.5, "y":1.125}, {"x":14.5, "y":1.375}, {"x":15.5, "y":1.375, "w":1.5},
+                                                      {"x":10.5, "y":2.25}, {"x":11.5, "y":2.125}, {"x":12.5, "y":2}, {"x":13.5, "y":2.125}, {"x":14.5, "y":2.375}, {"x":15.5, "y":2.375, "w":1.5},
+                        {"x":9.5, "y":2.75, "h":1.5}, {"x":10.5, "y":3.25}, {"x":11.5, "y":3.125}, {"x":12.5, "y":3}, {"x":13.5, "y":3.125}, {"x":14.5, "y":3.375}, {"x":15.5, "y":3.375, "w":1.5},
+                                                                            {"x":11.5, "y":4.125}, {"x":12.5, "y":4}, {"x":13.5, "y":4.125}, {"x":14.5, "y":4.375}, {"x":15.5, "y":4.375},
+
+
+          {"x":9, "y":5}, {"x":10, "y":5},
+          {"x":9, "y":6}, {"x":10, "y":6}, {"x":11, "y":6},
+          {"x":9, "y":7}, {"x":10, "y":7}, {"x":11, "y":7}
+        ]
+    },
+      "LAYOUT_ergodox_pretty_80": {
+
+        "layout": [
+          {"x":0, "y":0.375, "w":1.5}, {"x":1.5, "y":0.375}, {"x":2.5, "y":0.125}, {"x":3.5, "y":0}, {"x":4.5, "y":0.125}, {"x":5.5, "y":0.25}, {"x":6.5, "y":0.25},
+          {"x":9.5, "y":0.25}, {"x":10.5, "y":0.25}, {"x":11.5, "y":0.125}, {"x":12.5, "y":0}, {"x":13.5, "y":0.125}, {"x":14.5, "y":0.375}, {"x":15.5, "y":0.375, "w":1.5},
+
+          {"x":0, "y":1.375, "w":1.5}, {"x":1.5, "y":1.375}, {"x":2.5, "y":1.125}, {"x":3.5, "y":1}, {"x":4.5, "y":1.125}, {"x":5.5, "y":1.25}, {"x":6.5, "y":1.25, "h":1.5},
+          {"x":9.5, "y":1.25, "h":1.5}, {"x":10.5, "y":1.25}, {"x":11.5, "y":1.125}, {"x":12.5, "y":1}, {"x":13.5, "y":1.125}, {"x":14.5, "y":1.375}, {"x":15.5, "y":1.375, "w":1.5},
+
+          {"x":0, "y":2.375, "w":1.5}, {"x":1.5, "y":2.375}, {"x":2.5, "y":2.125}, {"x":3.5, "y":2}, {"x":4.5, "y":2.125}, {"x":5.5, "y":2.25},
+          {"x":10.5, "y":2.25}, {"x":11.5, "y":2.125}, {"x":12.5, "y":2}, {"x":13.5, "y":2.125}, {"x":14.5, "y":2.375}, {"x":15.5, "y":2.375, "w":1.5},
+
+          {"x":0, "y":3.375, "w":1.5}, {"x":1.5, "y":3.375}, {"x":2.5, "y":3.125}, {"x":3.5, "y":3}, {"x":4.5, "y":3.125}, {"x":5.5, "y":3.25}, {"x":6.5, "y":2.75, "h":1.5},
+          {"x":9.5, "y":2.75, "h":1.5}, {"x":10.5, "y":3.25}, {"x":11.5, "y":3.125}, {"x":12.5, "y":3}, {"x":13.5, "y":3.125}, {"x":14.5, "y":3.375}, {"x":15.5, "y":3.375, "w":1.5},
+
+                 {"x":0.5, "y":4.375}, {"x":1.5, "y":4.375}, {"x":2.5, "y":4.125}, {"x":3.5, "y":4}, {"x":4.5, "y":4.125},
+                                                                {"x":11.5, "y":4.125}, {"x":12.5, "y":4}, {"x":13.5, "y":4.125}, {"x":14.5, "y":4.375}, {"x":15.5, "y":4.375},
+
+                                        {"x":6, "y":5}, {"x":7, "y":5},      {"x":9, "y":5}, {"x":10, "y":5},
+                        {"x":5, "y":6}, {"x":6, "y":6}, {"x":7, "y":6},      {"x":9, "y":6}, {"x":10, "y":6}, {"x":11, "y":6},
+                        {"x":5, "y":7}, {"x":6, "y":7}, {"x":7, "y":7},      {"x":9, "y":7}, {"x":10, "y":7}, {"x":11, "y":7}
+        ]
+    }
+  }
+}
diff --git a/keyboards/hotdox/keymaps/default/keymap.c b/keyboards/hotdox/keymaps/default/keymap.c
new file mode 100644
index 000000000..1c0f69d9b
--- /dev/null
+++ b/keyboards/hotdox/keymaps/default/keymap.c
@@ -0,0 +1,190 @@
+#include QMK_KEYBOARD_H
+#include "version.h"
+
+#define BASE 0 // default layer
+#define SYMB 1 // symbols
+#define MDIA 2 // media keys
+
+enum custom_keycodes {
+  VRSN = SAFE_RANGE,
+  RGB_SLD
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+/* Keymap 0: Basic layer
+ *
+ * ,--------------------------------------------------.           ,--------------------------------------------------.
+ * |   =    |   1  |   2  |   3  |   4  |   5  | LEFT |           | RIGHT|   6  |   7  |   8  |   9  |   0  |   -    |
+ * |--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
+ * | Del    |   Q  |   W  |   E  |   R  |   T  |  L1  |           |  L1  |   Y  |   U  |   I  |   O  |   P  |   \    |
+ * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
+ * | BkSp   |   A  |   S  |   D  |   F  |   G  |------|           |------|   H  |   J  |   K  |   L  |; / L2|' / Cmd |
+ * |--------+------+------+------+------+------| Hyper|           | Meh  |------+------+------+------+------+--------|
+ * | LShift |Z/Ctrl|   X  |   C  |   V  |   B  |      |           |      |   N  |   M  |   ,  |   .  |//Ctrl| RShift |
+ * `--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
+ *   |Grv/L1|  '"  |AltShf| Left | Right|                                       |  Up  | Down |   [  |   ]  | ~L1  |
+ *   `----------------------------------'                                       `----------------------------------'
+ *                                        ,-------------.       ,-------------.
+ *                                        | App  | LGui |       | Alt  |Ctrl/Esc|
+ *                                 ,------|------|------|       |------+--------+------.
+ *                                 |      |      | Home |       | PgUp |        |      |
+ *                                 | Space|Backsp|------|       |------|  Tab   |Enter |
+ *                                 |      |ace   | End  |       | PgDn |        |      |
+ *                                 `--------------------'       `----------------------'
+ */
+// If it accepts an argument (i.e, is a function), it doesn't need KC_.
+// Otherwise, it needs KC_*
+[BASE] = LAYOUT_ergodox(  // layer 0 : default
+        // left hand
+        KC_EQL,         KC_1,         KC_2,   KC_3,   KC_4,   KC_5,   KC_LEFT,
+        KC_DELT,        KC_Q,         KC_W,   KC_E,   KC_R,   KC_T,   TG(SYMB),
+        KC_BSPC,        KC_A,         KC_S,   KC_D,   KC_F,   KC_G,
+        KC_LSFT,        CTL_T(KC_Z),  KC_X,   KC_C,   KC_V,   KC_B,   ALL_T(KC_NO),
+        LT(SYMB,KC_GRV),KC_QUOT,      LALT(KC_LSFT),  KC_LEFT,KC_RGHT,
+                                              ALT_T(KC_APP),  KC_LGUI,
+                                                              KC_HOME,
+                                               KC_SPC,KC_BSPC,KC_END,
+        // right hand
+             KC_RGHT,     KC_6,   KC_7,  KC_8,   KC_9,   KC_0,             KC_MINS,
+             //KC_RGHT,     KC_6,   BL_OFF,  BL_ON,   BL_INC,   BL_DEC,             KC_MINS,
+             TG(SYMB),    KC_Y,   KC_U,  KC_I,   KC_O,   KC_P,             KC_BSLS,
+                          KC_H,   KC_J,  KC_K,   KC_L,   LT(MDIA, KC_SCLN),GUI_T(KC_QUOT),
+             MEH_T(KC_NO),KC_N,   KC_M,  KC_COMM,KC_DOT, CTL_T(KC_SLSH),   KC_RSFT,
+                                  KC_UP, KC_DOWN,KC_LBRC,KC_RBRC,          KC_FN1,
+             KC_LALT,        CTL_T(KC_ESC),
+             KC_PGUP,
+             KC_ENT,KC_TAB,KC_PGDN
+    ),
+/* Keymap 1: Symbol Layer
+ *
+ * ,---------------------------------------------------.           ,--------------------------------------------------.
+ * |Version  |  F1  |  F2  |  F3  |  F4  |  F5  |      |           |      |  F6  |  F7  |  F8  |  F9  |  F10 |   F11  |
+ * |---------+------+------+------+------+------+------|           |------+------+------+------+------+------+--------|
+ * |         |   !  |   @  |   {  |   }  |   |  |      |           |      |   Up |   7  |   8  |   9  |   *  |   F12  |
+ * |---------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
+ * |         |   #  |   $  |   (  |   )  |   `  |------|           |------| Down |   4  |   5  |   6  |   +  |        |
+ * |---------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
+ * |         |   %  |   ^  |   [  |   ]  |   ~  |      |           |      |   &  |   1  |   2  |   3  |   \  |        |
+ * `---------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
+ * | EEP_RST  |      |      |      |      |                                       |      |    . |   0  |   =  |      |
+ *   `-----------------------------------'                                       `----------------------------------'
+ *                                        ,-------------.       ,-------------.
+ *                                        |Animat|      |       |Toggle|Solid |
+ *                                 ,------|------|------|       |------+------+------.
+ *                                 |Bright|Bright|      |       |      |Hue-  |Hue+  |
+ *                                 |ness- |ness+ |------|       |------|      |      |
+ *                                 |      |      |      |       |      |      |      |
+ *                                 `--------------------'       `--------------------'
+ */
+// SYMBOLS
+[SYMB] = LAYOUT_ergodox(
+       // left hand
+       VRSN,   KC_F1,  KC_F2,  KC_F3,  KC_F4,  KC_F5,  KC_TRNS,
+       KC_TRNS,KC_EXLM,KC_AT,  KC_LCBR,KC_RCBR,KC_PIPE,KC_TRNS,
+       KC_TRNS,KC_HASH,KC_DLR, KC_LPRN,KC_RPRN,KC_GRV,
+       KC_TRNS,KC_PERC,KC_CIRC,KC_LBRC,KC_RBRC,KC_TILD,KC_TRNS,
+       EEP_RST,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,
+                                       RGB_MOD,KC_TRNS,
+                                               KC_TRNS,
+                               RGB_VAD,RGB_VAI,KC_TRNS,
+       // right hand
+       KC_TRNS, KC_F6,   KC_F7,  KC_F8,   KC_F9,   KC_F10,  KC_F11,
+       KC_TRNS, KC_UP,   KC_7,   KC_8,    KC_9,    KC_ASTR, KC_F12,
+                KC_DOWN, KC_4,   KC_5,    KC_6,    KC_PLUS, KC_TRNS,
+       KC_TRNS, KC_AMPR, KC_1,   KC_2,    KC_3,    KC_BSLS, KC_TRNS,
+                         KC_TRNS,KC_DOT,  KC_0,    KC_EQL,  KC_TRNS,
+       RGB_TOG, RGB_SLD,
+       KC_TRNS,
+       KC_TRNS, RGB_HUD, RGB_HUI
+),
+/* Keymap 2: Media and mouse keys
+ *
+ * ,--------------------------------------------------.           ,--------------------------------------------------.
+ * |        |      |      |      |      |      |      |           |      |      |      |      |      |      |        |
+ * |--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
+ * |        |      |      | MsUp |      |      |      |           |      |      |      |      |      |      |        |
+ * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
+ * |        |      |MsLeft|MsDown|MsRght|      |------|           |------|      |      |      |      |      |  Play  |
+ * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
+ * |        |      |      |      |      |      |      |           |      |      |      | Prev | Next |      |        |
+ * `--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
+ *   |      |      |      | Lclk | Rclk |                                       |VolUp |VolDn | Mute |      |      |
+ *   `----------------------------------'                                       `----------------------------------'
+ *                                        ,-------------.       ,-------------.
+ *                                        |      |      |       |      |      |
+ *                                 ,------|------|------|       |------+------+------.
+ *                                 |      |      |      |       |      |      |Brwser|
+ *                                 |      |      |------|       |------|      |Back  |
+ *                                 |      |      |      |       |      |      |      |
+ *                                 `--------------------'       `--------------------'
+ */
+// MEDIA AND MOUSE
+[MDIA] = LAYOUT_ergodox(
+       KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+       KC_TRNS, KC_TRNS, KC_TRNS, KC_MS_U, KC_TRNS, KC_TRNS, KC_TRNS,
+       KC_TRNS, KC_TRNS, KC_MS_L, KC_MS_D, KC_MS_R, KC_TRNS,
+       KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+       KC_TRNS, KC_TRNS, KC_TRNS, KC_BTN1, KC_BTN2,
+                                           KC_TRNS, KC_TRNS,
+                                                    KC_TRNS,
+                                  KC_TRNS, KC_TRNS, KC_TRNS,
+    // right hand
+       KC_TRNS,  KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+       KC_TRNS,  KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+                 KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_MPLY,
+       KC_TRNS,  KC_TRNS, KC_TRNS, KC_MPRV, KC_MNXT, KC_TRNS, KC_TRNS,
+                          KC_VOLU, KC_VOLD, KC_MUTE, KC_TRNS, KC_TRNS,
+       KC_TRNS, KC_TRNS,
+       KC_TRNS,
+       KC_TRNS, KC_TRNS, KC_WBAK
+),
+};
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+  switch (keycode) {
+    // dynamically generate these.
+    case VRSN:
+      if (record->event.pressed) {
+        SEND_STRING (QMK_KEYBOARD "/" QMK_KEYMAP " @ " QMK_VERSION);
+      }
+      return false;
+      break;
+    case RGB_SLD:
+      if (record->event.pressed) {
+        #ifdef RGBLIGHT_ENABLE
+          rgblight_mode(1);
+        #endif
+      }
+      return false;
+      break;
+  }
+  return true;
+}
+
+// Runs just one time when the keyboard initializes.
+void matrix_init_user(void) {
+
+};
+
+
+// Runs constantly in the background, in a loop.
+void matrix_scan_user(void) {
+
+    uint8_t layer = biton32(layer_state);
+
+    ergodox_right_led_1_off();
+    ergodox_right_led_2_off();
+    ergodox_right_led_3_off();
+    switch (layer) {
+      // TODO: Make this relevant to the ErgoDox EZ.
+        case 1:
+            ergodox_right_led_1_on();
+            break;
+        case 2:
+            ergodox_right_led_2_on();
+            break;
+        default:
+            // none
+            break;
+    }
+};
diff --git a/keyboards/hotdox/keymaps/eozaki/keymap.c b/keyboards/hotdox/keymaps/eozaki/keymap.c
new file mode 100644
index 000000000..dc80e7a34
--- /dev/null
+++ b/keyboards/hotdox/keymaps/eozaki/keymap.c
@@ -0,0 +1,192 @@
+#include QMK_KEYBOARD_H
+#include "version.h"
+
+#define BASE 0 // default layer
+#define SYMB 1 // symbols
+#define MDIA 2 // media keys
+
+enum custom_keycodes {
+  PLACEHOLDER = SAFE_RANGE, // can always be here
+  VRSN,
+  RGB_SLD
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+/* Keymap 0: Basic layer
+ *
+ * ,--------------------------------------------------.           ,--------------------------------------------------.
+ * | Esc    |   1  |   2  |   3  |   4  |   5  |  ~   |           |  '   |   6  |   7  |   8  |   9  |   0  |   =    |
+ * |--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
+ * | Del    |   Q  |   W  |   E  |   R  |   T  |  ~   |           |  "   |   Y  |   U  |   I  |   O  |   P  |   -    |
+ * |--------+------+------+------+------+------|  `   |           |      |------+------+------+------+------+--------|
+ * | Ctrl   |   A  |   S  |   D  |   F  |   G  |------|           |------|   H  |   J  |   K  |   L  |  ;   |    \   |
+ * |--------+------+------+------+------+------|  {   |           |  }   |------+------+------+------+------+--------|
+ * | LAlt   |   Z  |   X  |   C  |   V  |   B  |  [   |           |  ]   |   N  |   M  |   ,  |   .  |  /   | LShift |
+ * `--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
+ *   | LT-1 |  F4  |  F5  |  F6  |  F11 |                                       | Left | Down |  Up  | Right|  RAlt  |
+ *   `----------------------------------'                                       `----------------------------------'
+ *                                        ,-------------.       ,-------------.
+ *                                        |  L1  | Prev |       | Vol+ |  L2  |
+ *                                 ,------|------|------|       |------+--------+------.
+ *                                 |      |      | Play |       | Vol- |        |      |
+ *                                 | Space|Backsp|------|       |------|  Tab   |Enter |
+ *                                 |      |ace   | Next |       | Mute |        |      |
+ *                                 `--------------------'       `----------------------'
+ */
+// If it accepts an argument (i.e, is a function), it doesn't need KC_.
+// Otherwise, it needs KC_*
+[BASE] = LAYOUT_ergodox(  // layer 0 : default
+        // left hand
+        KC_ESC,         KC_1,         KC_2,   KC_3,   KC_4,   KC_5,   LSFT(KC_GRV),
+        KC_DELT,        KC_Q,         KC_W,   KC_E,   KC_R,   KC_T,   KC_GRV,
+        KC_LCTL,        KC_A,         KC_S,   KC_D,   KC_F,   KC_G,
+        KC_LALT,        KC_Z,         KC_X,   KC_C,   KC_V,   KC_B,   KC_LBRC,
+        LT(SYMB, KC_F2),       KC_F4,        KC_F5,  KC_F6,  KC_F11,
+                                                   TG(SYMB),  KC_MPRV,
+                                                              KC_MPLY,
+                                               KC_SPC,KC_BSPC,KC_MNXT,
+        // right hand
+             KC_QUOT,         KC_6,   KC_7,   KC_8,   KC_9,   KC_0,             KC_EQL,
+             LSFT(KC_QUOT),  KC_Y,   KC_U,   KC_I,   KC_O,   KC_P,             KC_MINS,
+                              KC_H,   KC_J,   KC_K,   KC_L,   LT(MDIA, KC_SCLN),KC_BSLS,
+             KC_RBRC,         KC_N,   KC_M,   KC_COMM,KC_DOT, KC_SLSH,          KC_LSFT,
+                              KC_LEFT,KC_DOWN,KC_UP,  KC_RGHT,KC_RALT,
+             KC_VOLU,        TG(MDIA),
+             KC_VOLD,
+             KC_MUTE,KC_TAB, KC_ENT
+    ),
+/* Keymap 1: Symbol Layer
+ *
+ * ,---------------------------------------------------.           ,--------------------------------------------------.
+ * |Version  |  F1  |  F2  |  F3  |  F4  |  F5  |      |           |      |  F6  |  F7  |  F8  |  F9  |  F10 |   F11  |
+ * |---------+------+------+------+------+------+------|           |------+------+------+------+------+------+--------|
+ * |         |   !  |   @  |   {  |   }  |   |  |      |           |      |   Up |   7  |   8  |   9  |   *  |   F12  |
+ * |---------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
+ * |         |   #  |   $  |   (  |   )  |   `  |------|           |------| Down |   4  |   5  |   6  |   +  |        |
+ * |---------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
+ * |         |   %  |   ^  |   [  |   ]  |   ~  |      |           |      |   &  |   1  |   2  |   3  |   \  |        |
+ * `---------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
+ * | EEP_RST |      |      |      |      |                                       |      |    . |   0  |   =  |      |
+ *   `-----------------------------------'                                       `----------------------------------'
+ *                                        ,-------------.       ,-------------.
+ *                                        |Animat|      |       |Toggle|Solid |
+ *                                 ,------|------|------|       |------+------+------.
+ *                                 |Bright|Bright|      |       |      |Hue-  |Hue+  |
+ *                                 |ness- |ness+ |------|       |------|      |      |
+ *                                 |      |      |      |       |      |      |      |
+ *                                 `--------------------'       `--------------------'
+ */
+// SYMBOLS
+[SYMB] = LAYOUT_ergodox(
+       // left hand
+       VRSN,   KC_F1,  KC_F2,  KC_F3,  KC_F4,  KC_F5,  KC_TRNS,
+       KC_TRNS,KC_EXLM,KC_AT,  KC_LCBR,KC_RCBR,KC_PIPE,KC_TRNS,
+       KC_TRNS,KC_HASH,KC_DLR, KC_LPRN,KC_RPRN,KC_GRV,
+       KC_TRNS,KC_PERC,KC_CIRC,KC_LBRC,KC_RBRC,KC_TILD,KC_TRNS,
+       EEP_RST,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,
+                                       RGB_MOD,KC_TRNS,
+                                               KC_TRNS,
+                               RGB_VAD,RGB_VAI,KC_TRNS,
+       // right hand
+       KC_TRNS, KC_F6,   KC_F7,  KC_F8,   KC_F9,   KC_F10,  KC_F11,
+       KC_TRNS, KC_UP,   KC_7,   KC_8,    KC_9,    KC_ASTR, KC_F12,
+                KC_DOWN, KC_4,   KC_5,    KC_6,    KC_PLUS, KC_TRNS,
+       KC_TRNS, KC_AMPR, KC_1,   KC_2,    KC_3,    KC_BSLS, KC_TRNS,
+                         KC_TRNS,KC_DOT,  KC_0,    KC_EQL,  KC_TRNS,
+       RGB_TOG, RGB_SLD,
+       KC_TRNS,
+       KC_TRNS, RGB_HUD, RGB_HUI
+),
+/* Keymap 2: Media and mouse keys
+ *
+ * ,--------------------------------------------------.           ,--------------------------------------------------.
+ * |        |      |      |      |      |      |      |           |      |      |      |      |      |      |        |
+ * |--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
+ * |        |      |      | MsUp |      |      |      |           |      |      |      |      |      |      |        |
+ * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
+ * |        |      |MsLeft|MsDown|MsRght|      |------|           |------|      |      |      |      |      |  Play  |
+ * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
+ * |        |      |      |      |      |      |      |           |      |      |      | Prev | Next |      |        |
+ * `--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
+ *   |      |      |      | Lclk | Rclk |                                       |VolUp |VolDn | Mute |      |      |
+ *   `----------------------------------'                                       `----------------------------------'
+ *                                        ,-------------.       ,-------------.
+ *                                        |      |      |       |      |      |
+ *                                 ,------|------|------|       |------+------+------.
+ *                                 |      |      |      |       |      |      |Brwser|
+ *                                 |      |      |------|       |------|      |Back  |
+ *                                 |      |      |      |       |      |      |      |
+ *                                 `--------------------'       `--------------------'
+ */
+// MEDIA AND MOUSE
+[MDIA] = LAYOUT_ergodox(
+       KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+       KC_TRNS, KC_TRNS, KC_TRNS, KC_MS_U, KC_TRNS, KC_TRNS, KC_TRNS,
+       KC_TRNS, KC_TRNS, KC_MS_L, KC_MS_D, KC_MS_R, KC_TRNS,
+       KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+       KC_TRNS, KC_TRNS, KC_TRNS, KC_BTN1, KC_BTN2,
+                                           KC_TRNS, KC_TRNS,
+                                                    KC_TRNS,
+                                  KC_TRNS, KC_TRNS, KC_TRNS,
+    // right hand
+       KC_TRNS,  KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+       KC_TRNS,  KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+                 KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_MPLY,
+       KC_TRNS,  KC_TRNS, KC_TRNS, KC_MPRV, KC_MNXT, KC_TRNS, KC_TRNS,
+                          KC_VOLU, KC_VOLD, KC_MUTE, KC_TRNS, KC_TRNS,
+       KC_TRNS, KC_TRNS,
+       KC_TRNS,
+       KC_TRNS, KC_TRNS, KC_WBAK
+),
+};
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+  switch (keycode) {
+    // dynamically generate these.
+    case VRSN:
+      if (record->event.pressed) {
+        SEND_STRING (QMK_KEYBOARD "/" QMK_KEYMAP " @ " QMK_VERSION);
+      }
+      return false;
+      break;
+    case RGB_SLD:
+      if (record->event.pressed) {
+        #ifdef RGBLIGHT_ENABLE
+          rgblight_mode(1);
+        #endif
+      }
+      return false;
+      break;
+  }
+  return true;
+}
+
+// Runs just one time when the keyboard initializes.
+void matrix_init_user(void) {
+
+};
+
+
+// Runs constantly in the background, in a loop.
+void matrix_scan_user(void) {
+
+    uint8_t layer = biton32(layer_state);
+
+    ergodox_board_led_off();
+    ergodox_right_led_1_off();
+    ergodox_right_led_2_off();
+    ergodox_right_led_3_off();
+    switch (layer) {
+      // TODO: Make this relevant to the ErgoDox EZ.
+        case 1:
+            ergodox_right_led_1_on();
+            break;
+        case 2:
+            ergodox_right_led_2_on();
+            break;
+        default:
+            // none
+            break;
+    }
+
+};
diff --git a/keyboards/hotdox/keymaps/kloki/keymap.c b/keyboards/hotdox/keymaps/kloki/keymap.c
new file mode 100644
index 000000000..f858effd5
--- /dev/null
+++ b/keyboards/hotdox/keymaps/kloki/keymap.c
@@ -0,0 +1,210 @@
+#include QMK_KEYBOARD_H
+#include "version.h"
+
+#define BASE 0 // default layer
+#define QW 1 // qwerty
+#define SYMB 2 // symbols
+#define NUM 3 // media keys
+
+enum custom_keycodes {
+  PLACEHOLDER = SAFE_RANGE, // can always be here
+  VRSN,
+  RGB_SLD
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+/* Keymap 0: Basic layer
+ *
+ * ,--------------------------------------------------.           ,--------------------------------------------------.
+ * | Esc    |   1  |   2  |   3  |   4  |   5  | SHIFT|           | SYM  |   6  |   7  |   8  |   9  |   0  |   Bck  |
+ * |--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
+ * | Tab    |   Q  |   D  |   R  |   W  |   B  | `~   |           |  "'  |   J  |   F  |   U  |   P  |   :  |   \ |  |
+ * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
+ * | Ctr/Es |   A  |   S  |   H  |   T  |   G  |------|           |------|   Y  |   N  |   E  |   O  |  I   | Enter  |
+ * |--------+------+------+------+------+------| = +  |           |  -_  |------+------+------+------+------+--------|
+ * | LShift |   Z  |   X  |   M  |   C  |   V  |      |           |      |   K  |   L  |   ,  |   .  | /    | RShift |
+ * `--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
+ *   |MEH   |  Gui |AltShf| Left | Right|                                       | DOWN | UP   |   [  |   ]  | ~SYM |
+ *   `----------------------------------'                                       `----------------------------------'
+ *                                        ,-------------.       ,-------------.
+ *                                        | ESC  |Home  |       | PgUp  | QW  |
+ *                                 ,------|------|------|       |------+--------+------.
+ *                                 |      |  ENT | End  |       | PgDn |        |      |
+ *                                 | Space| WIN  |------|       |------|  Tab   |Back  |
+ *                                 |  SYM |      | SCTR |       | SALT |   SYM  |      |
+ *                                 `--------------------'       `----------------------'
+ */
+
+[BASE] = LAYOUT_ergodox(  // layer 0 : default
+        // left hand
+        KC_ESC,         KC_1,        KC_2,     KC_3,   KC_4,   KC_5,   KC_LSFT,
+        KC_TAB,         KC_Q,        KC_D,     KC_R,   KC_W,   KC_B,   KC_GRV,
+        CTL_T(KC_ESC),  KC_A,        KC_S,     KC_H,   KC_T,   KC_G,
+        KC_LSFT,        KC_Z,        KC_X,     KC_M,   KC_C,   KC_V,   KC_EQL,
+        KC_MEH,         KC_LGUI,     KC_LALT,  KC_LEFT,KC_RGHT,
+                                                       KC_ESC,  KC_HOME,
+                                                                KC_END,
+                            LT(SYMB, KC_SPC),   LGUI_T(KC_ENT), S(KC_LGUI),
+        // right hand
+             TG(NUM),     KC_6,   KC_7,   KC_8,   KC_9,   KC_0,     KC_BSPC,
+             KC_QUOT,     KC_J,   KC_F,   KC_U,   KC_P,   KC_SCLN,  KC_BSLS,
+                          KC_Y,   KC_N,   KC_E,   KC_O,   KC_I ,    KC_ENT,
+             KC_MINS,     KC_K,   KC_L,   KC_COMM,KC_DOT, KC_SLSH,  KC_RSFT,
+                                  KC_DOWN,KC_UP,  KC_LBRC,KC_RBRC,  MO(SYMB),
+                       KC_PGUP,  TG(QW),
+             KC_PGDN,
+             S(KC_LALT),LT(SYMB, KC_TAB), KC_BSPC
+    ),
+
+[QW] = LAYOUT_ergodox(
+       _______, _______, _______, _______, _______, _______, _______,
+       _______, KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    _______,
+       _______, KC_A,    KC_S,    KC_D,    KC_F,    KC_G,
+       _______, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    _______,
+       _______, _______, _______, _______, _______,
+                                           _______, _______,
+                                                    _______,
+                                  _______, _______, _______,
+    // right hand
+       _______,  _______, _______, _______, _______, _______, _______,
+       _______,  KC_Y,    KC_U,    KC_I   , KC_O,    KC_P,    _______,
+                 KC_H,    KC_J,    KC_K   , KC_L,    KC_SCLN, _______,
+       _______,  KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, _______,
+                          _______, _______, _______, _______, _______,
+       _______, _______,
+       _______,
+       _______, _______, _______
+),
+/* Keymap 1: Symbol Layer
+ *
+ * ,---------------------------------------------------.           ,--------------------------------------------------.
+ * |         |  F1  |  F2  |  F3  |  F4  |  F5  |      |           |      |  F6  |  F7  |  F8  |  F9  |  F10 |   DEL  |
+ * |---------+------+------+------+------+------+------|           |------+------+------+------+------+------+--------|
+ * |         |   !  |   @  |   {  |   }  |   *  |      |           |      |   <  |  H  |   U  |   PU  |   *  |        |
+ * |---------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
+ * |         |   #  |   $  |   (  |   )  |   `  |------|           |------|   >  |   L  |   D  |   R  |   +  |        |
+ * |---------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
+ * |         |   %  |   ^  |   [  |   ]  |   ~  |      |           |      |   &  |   E  |   D  |  PD  |   \  |        |
+ * `---------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
+ *   |       |      |      |      |      |                                       |      |      |      |      |      |
+ *   `-----------------------------------'                                       `----------------------------------'
+ *                                        ,-------------.       ,-------------.
+ *                                        |      |      |       |      |      |
+ *                                 ,------|------|------|       |------+------+------.
+ *                                 |      |      |      |       |      |      |      |
+ *                                 |      |      |------|       |------|      |      |
+ *                                 |      |      |      |       |      |      |      |
+ *                                 `--------------------'       `--------------------'
+ */
+// SYMBOLS
+[SYMB] = LAYOUT_ergodox(
+       // left hand
+       _______,KC_F1,  KC_F2,  KC_F3,  KC_F4,  KC_F5,  _______,
+       _______,KC_EXLM,KC_AT,  KC_LCBR,KC_RCBR,KC_ASTR,_______,
+       _______,KC_HASH,KC_DLR, KC_LPRN,KC_RPRN,KC_GRV,
+       _______,KC_PERC,KC_CIRC,KC_LBRC,KC_RBRC,KC_TILD,_______,
+       _______,_______,_______,_______,_______,
+                                       _______,_______,
+                                               _______,
+                               _______,_______,_______,
+       // right hand
+       _______, KC_F6,   KC_F7,   KC_F8,   KC_F9,    KC_F10,  KC_DEL,
+       _______, KC_LABK, KC_HOME, KC_UP,   KC_PGUP,  KC_ASTR, _______,
+                KC_RABK, KC_LEFT, KC_DOWN, KC_RIGHT, KC_PLUS, _______,
+       _______, KC_AMPR, KC_END,  KC_DOWN, KC_PGDN,  KC_BSLS, _______,
+                         _______, _______, _______,  _______, _______,
+       _______, _______,
+       _______,
+       _______, _______, _______
+),
+/* Keymap 2: Media and mouse keys
+ *
+ * ,--------------------------------------------------.           ,--------------------------------------------------.
+ * |        |      |      |      |      |      |      |           |      |      |      |      |      |      |        |
+ * |--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
+ * |        |      |  L   | MsUp |   R  |      |      |           |      |      |  4   |   5  |  6   |      |  TAB   |
+ * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
+ * |        |      |MsLeft|MsDown|MsRght|      |------|           |------|      |  1   |   2  |   3  |      |        |
+ * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
+ * |        |      |      |      |      |      |      |           |      |      |      |   0  |   0  |      |        |
+ * `--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
+ *   |      |      |      |      |      |                                       |      |      |      |      |      |
+ *   `----------------------------------'                                       `----------------------------------'
+ *                                        ,-------------.       ,-------------.
+ *                                        |      |      |       |      |      |
+ *                                 ,------|------|------|       |------+------+------.
+ *                                 |      |      |      |       |      |      |      |
+ *                                 |      |      |------|       |------|      |      |
+ *                                 |      |      |      |       |      |      |      |
+ *                                 `--------------------'       `--------------------'
+ */
+[NUM] = LAYOUT_ergodox(
+       _______, _______, _______, _______, _______, _______, _______,
+       _______, _______, KC_BTN1, KC_MS_U, KC_BTN2, _______, _______,
+       _______, _______, KC_MS_L, KC_MS_D, KC_MS_R, _______,
+       _______, _______, _______, _______, _______, _______, _______,
+       _______, _______, _______, _______, _______,
+                                           _______, _______,
+                                                    _______,
+                                  _______, _______, _______,
+    // right hand
+       _______,  _______, _______, _______, _______, _______, _______,
+       _______,  _______, KC_4,    KC_5   , KC_6,    _______, KC_TAB,
+                 _______, KC_1,    KC_2   , KC_3,    _______, _______,
+       _______,  _______, _______, KC_0,    KC_0,    _______, _______,
+                          _______, _______, _______, _______, _______,
+       _______, _______,
+       _______,
+       _______, _______, _______
+),
+};
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+  switch (keycode) {
+    // dynamically generate these.
+    case VRSN:
+      if (record->event.pressed) {
+        SEND_STRING (QMK_KEYBOARD "/" QMK_KEYMAP " @ " QMK_VERSION);
+      }
+      return false;
+      break;
+    case RGB_SLD:
+      if (record->event.pressed) {
+        #ifdef RGBLIGHT_ENABLE
+          rgblight_mode(1);
+        #endif
+      }
+      return false;
+      break;
+  }
+  return true;
+}
+
+// Runs just one time when the keyboard initializes.
+void matrix_init_user(void) {
+
+};
+
+
+// Runs constantly in the background, in a loop.
+void matrix_scan_user(void) {
+
+    uint8_t layer = biton32(layer_state);
+
+    ergodox_board_led_off();
+    ergodox_right_led_1_off();
+    ergodox_right_led_2_off();
+    ergodox_right_led_3_off();
+    switch (layer) {
+        case 1:
+            ergodox_board_led_on();
+            break;
+        case 3:
+            ergodox_board_led_on();
+            break;
+        default:
+            // none
+            break;
+    }
+
+};
diff --git a/keyboards/hotdox/left.c b/keyboards/hotdox/left.c
new file mode 100644
index 000000000..ae56b1816
--- /dev/null
+++ b/keyboards/hotdox/left.c
@@ -0,0 +1,130 @@
+#include "action.h"
+#include "left.h"
+#include "wait.h"
+
+bool i2c_initialized = false;
+
+void left_config(void);
+uint8_t left_write(uint8_t reg, uint8_t data);
+uint8_t left_read(uint8_t reg, uint8_t *data);
+
+uint8_t init_mcp23017(void)
+{
+    i2c_initialized = false;
+
+    if (i2c_initialized == 0)
+    {
+        i2c_init();  // on pins D(1,0)
+        _delay_ms(1000);
+    }
+
+    return 0;
+}
+void left_init(void)
+{
+    init_mcp23017();
+    left_scan();
+#if 0
+    while (1)
+    {
+        print("wait\n");
+        wait_us(1000000);
+    }
+#endif
+}
+
+void left_scan(void)
+{
+    uint8_t ret = i2c_start(I2C_ADDR_WRITE, HOTDOX_I2C_TIMEOUT);
+
+    if (ret == 0)
+    {
+        i2c_stop(HOTDOX_I2C_TIMEOUT);
+
+        if (!i2c_initialized)
+        {
+            i2c_initialized = true;
+            left_config();
+            clear_keyboard();
+            print("mcp23017 attached!!!\n");
+        }
+    }
+    else
+    {
+        if (i2c_initialized)
+        {
+            i2c_initialized = false;
+            clear_keyboard();
+            print("mcp23017 deattached!!!\n");
+        }
+    }
+
+    return;
+}
+
+uint8_t left_read_cols(void)
+{
+    uint8_t data = 0;
+
+    left_read(MCP23017_B0_GPIOA, &data);
+
+    return data;
+}
+
+void left_unselect_rows(void)
+{
+    left_write(MCP23017_B0_IODIRB, 0x3F);
+}
+
+void left_select_row(uint8_t row)
+{
+    left_write(MCP23017_B0_IODIRB, ~(1 << row));
+}
+
+void left_config(void)
+{
+  left_write(MCP23017_B0_IODIRA, 0x7F);
+  left_write(MCP23017_B0_IPOLA,  0x7F);
+  left_write(MCP23017_B0_GPPUA,  0x7F);
+
+  left_write(MCP23017_B0_IODIRB, 0xFF);
+  left_write(MCP23017_B0_GPIOB,  0xC0);
+}
+
+uint8_t left_write(uint8_t reg, uint8_t data)
+{
+  if (!i2c_initialized)
+  {
+    return 0;
+  }
+
+  uint8_t ret;
+
+  ret = i2c_start(I2C_ADDR_WRITE, HOTDOX_I2C_TIMEOUT);     if (ret) goto out;
+  ret = i2c_write(reg, HOTDOX_I2C_TIMEOUT);                if (ret) goto out;
+  ret = i2c_write(data, HOTDOX_I2C_TIMEOUT); 
+
+out:
+  i2c_stop(HOTDOX_I2C_TIMEOUT);
+  return ret;
+}
+
+uint8_t left_read(uint8_t reg, uint8_t *data)
+{
+  if (!i2c_initialized)
+  {
+    return 0;
+  }
+
+  uint8_t ret = 0;
+
+  ret = i2c_start(I2C_ADDR_WRITE, HOTDOX_I2C_TIMEOUT);     if (ret) goto out;
+  ret = i2c_write(reg, HOTDOX_I2C_TIMEOUT);                if (ret) goto out;
+  ret = i2c_start(I2C_ADDR_READ, HOTDOX_I2C_TIMEOUT);      if (ret) goto out;
+
+  *data = i2c_read_nack(HOTDOX_I2C_TIMEOUT);
+
+out:
+  i2c_stop(HOTDOX_I2C_TIMEOUT);
+  return ret;
+}
diff --git a/keyboards/hotdox/left.h b/keyboards/hotdox/left.h
new file mode 100644
index 000000000..3d8b5a6ea
--- /dev/null
+++ b/keyboards/hotdox/left.h
@@ -0,0 +1,57 @@
+#pragma once
+
+#include "quantum.h"
+#include <stdint.h>
+#include "i2c_master.h"
+#include <util/delay.h>
+
+#define MCP23017
+#define MCP23017_A0 0
+#define MCP23017_A1 0
+#define MCP23017_A2 0
+
+#define I2C_ADDR        (0x20)
+#define I2C_ADDR_WRITE  ((I2C_ADDR << 1) | I2C_WRITE)
+#define I2C_ADDR_READ   ((I2C_ADDR << 1) | I2C_READ)
+
+
+#define MCP23017_B0_IODIRA     0x00
+#define MCP23017_B0_IODIRB     0x01
+#define MCP23017_B0_IPOLA      0x02
+#define MCP23017_B0_IPOLB      0x03
+#define MCP23017_B0_GPINTENA   0x04
+#define MCP23017_B0_GPINTENB   0x05
+#define MCP23017_B0_DEFVALA    0x06
+#define MCP23017_B0_DEFVALB    0x07
+#define MCP23017_B0_INTCONA    0x08
+#define MCP23017_B0_INTCONB    0x09
+#define MCP23017_B0_IOCONA     0x0A
+#define MCP23017_B0_IOCONB     0x0B
+#define MCP23017_B0_GPPUA      0x0C
+#define MCP23017_B0_GPPUB      0x0D
+#define MCP23017_B0_INTFA      0x0E
+#define MCP23017_B0_INTFB      0x0F
+#define MCP23017_B0_INTCAPA    0x10
+#define MCP23017_B0_INTCAPB    0x11
+#define MCP23017_B0_GPIOA      0x12
+#define MCP23017_B0_GPIOB      0x13
+#define MCP23017_B0_OLATA      0x14
+#define MCP23017_B0_OLATB      0x15
+
+#define HOTDOX_I2C_TIMEOUT     100
+
+typedef int16_t i2c_status_t;
+
+void left_init(void);
+void left_scan(void);
+
+uint8_t left_read_cols(void);
+uint8_t left_get_col(uint8_t col);
+
+matrix_row_t left_read_row(void);
+
+void left_unselect_rows(void);
+void left_select_row(uint8_t row);
+
+uint8_t init_mcp23017(void);
+
diff --git a/keyboards/hotdox/matrix.c b/keyboards/hotdox/matrix.c
new file mode 100644
index 000000000..9d3a98db2
--- /dev/null
+++ b/keyboards/hotdox/matrix.c
@@ -0,0 +1,283 @@
+#include <stdint.h>
+#include <stdbool.h>
+#include <avr/io.h>
+#include "wait.h"
+#include "action_layer.h"
+#include "print.h"
+#include "debug.h"
+#include "util.h"
+#include "matrix.h"
+#include "hotdox.h"
+#include "left.h"
+#ifdef DEBUG_MATRIX_SCAN_RATE
+#include  "timer.h"
+#endif
+
+/*
+ * This constant define not debouncing time in msecs, but amount of matrix
+ * scan loops which should be made to get stable debounced results.
+ *
+ * On Ergodox matrix scan rate is relatively low, because of slow I2C.
+ * Now it's only 317 scans/second, or about 3.15 msec/scan.
+ * According to Cherry specs, debouncing time is 5 msec.
+ *
+ * And so, there is no sense to have DEBOUNCE higher than 2.
+ */
+
+#ifndef DEBOUNCE
+#   define DEBOUNCE	5
+#endif
+
+/* matrix state(1:on, 0:off) */
+static matrix_row_t matrix[MATRIX_ROWS];
+
+// Debouncing: store for each key the number of scans until it's eligible to
+// change.  When scanning the matrix, ignore any changes in keys that have
+// already changed in the last DEBOUNCE scans.
+static uint8_t debounce_matrix[MATRIX_ROWS * MATRIX_COLS];
+
+static matrix_row_t read_cols(uint8_t row);
+static void init_cols(void);
+static void unselect_rows(void);
+static void select_row(uint8_t row);
+
+#ifdef DEBUG_MATRIX_SCAN_RATE
+uint32_t matrix_timer;
+uint32_t matrix_scan_count;
+#endif
+
+
+__attribute__ ((weak))
+void matrix_init_user(void) {}
+
+__attribute__ ((weak))
+void matrix_scan_user(void) {}
+
+__attribute__ ((weak))
+void matrix_init_kb(void) {
+  matrix_init_user();
+}
+
+__attribute__ ((weak))
+void matrix_scan_kb(void) {
+  matrix_scan_user();
+}
+
+inline
+uint8_t matrix_rows(void)
+{
+  return MATRIX_ROWS;
+}
+
+inline
+uint8_t matrix_cols(void)
+{
+  return MATRIX_COLS;
+}
+
+void matrix_init(void)
+{
+  // disable JTAG
+  MCUCR = (1<<JTD);
+  MCUCR = (1<<JTD);
+
+  unselect_rows();
+  init_cols();
+
+  //eeprom_update_word(EECONFIG_MAGIC, 0x0000);
+
+  // initialize matrix state: all keys off
+  for (uint8_t i=0; i < MATRIX_ROWS; i++) {
+    matrix[i] = 0;
+    for (uint8_t j=0; j < MATRIX_COLS; ++j) {
+      debounce_matrix[i * MATRIX_COLS + j] = 0;
+    }
+  }
+
+#ifdef DEBUG_MATRIX_SCAN_RATE
+  matrix_timer = timer_read32();
+  matrix_scan_count = 0;
+#endif
+
+  matrix_init_quantum();
+
+}
+
+void matrix_power_up(void) {
+  unselect_rows();
+  init_cols();
+
+  // initialize matrix state: all keys off
+  for (uint8_t i=0; i < MATRIX_ROWS; i++) {
+    matrix[i] = 0;
+  }
+
+#ifdef DEBUG_MATRIX_SCAN_RATE
+  matrix_timer = timer_read32();
+  matrix_scan_count = 0;
+#endif
+}
+
+// Returns a matrix_row_t whose bits are set if the corresponding key should be
+// eligible to change in this scan.
+matrix_row_t debounce_mask(uint8_t row) {
+  matrix_row_t result = 0;
+  for (uint8_t j=0; j < MATRIX_COLS; ++j) {
+    if (debounce_matrix[row * MATRIX_COLS + j]) {
+      --debounce_matrix[row * MATRIX_COLS + j];
+    } else {
+      result |= (1 << j);
+    }
+  }
+  return result;
+}
+
+// Report changed keys in the given row.  Resets the debounce countdowns
+// corresponding to each set bit in 'change' to DEBOUNCE.
+void debounce_report(matrix_row_t change, uint8_t row) {
+  for (uint8_t i = 0; i < MATRIX_COLS; ++i) {
+    if (change & (1 << i)) {
+      debounce_matrix[row * MATRIX_COLS + i] = DEBOUNCE;
+    }
+  }
+}
+
+uint8_t matrix_scan(void)
+{
+  left_scan();
+
+#ifdef DEBUG_MATRIX_SCAN_RATE
+  matrix_scan_count++;
+
+  uint32_t timer_now = timer_read32();
+  if (TIMER_DIFF_32(timer_now, matrix_timer)>1000) {
+    print("matrix scan frequency: ");
+    pdec(matrix_scan_count);
+    print("\n");
+    matrix_print();
+
+    matrix_timer = timer_now;
+    matrix_scan_count = 0;
+  }
+#endif
+  for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
+    select_row(i);
+    wait_us(30);  // without this wait read unstable value.
+    matrix_row_t mask = debounce_mask(i);
+    matrix_row_t cols = (read_cols(i) & mask) | (matrix[i] & ~mask);
+    debounce_report(cols ^ matrix[i], i);
+    matrix[i] = cols;
+
+    unselect_rows();
+  }
+
+  matrix_scan_quantum();
+
+  return 1;
+}
+
+inline
+bool matrix_is_on(uint8_t row, uint8_t col)
+{
+  return (matrix[row] & ((matrix_row_t)1<<col));
+}
+
+inline
+matrix_row_t matrix_get_row(uint8_t row)
+{
+  return matrix[row];
+}
+
+void matrix_print(void)
+{
+  print("\nr/c 0123456789ABCDEF\n");
+  for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
+    phex(row); print(": ");
+    pbin_reverse16(matrix_get_row(row));
+    print("\n");
+  }
+}
+
+uint8_t matrix_key_count(void)
+{
+  uint8_t count = 0;
+  for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
+    count += bitpop16(matrix[i]);
+  }
+  return count;
+}
+
+static void init_cols(void)
+{
+  // Pro Micro
+  DDRB  &= ~(1<<PB0 | 1<<PB1 | 1<<PB2 | 1<<PB3);
+  PORTB |=  (1<<PB0 | 1<<PB1 | 1<<PB2 | 1<<PB3);
+
+  DDRD  &= ~(1<<PD2 | 1<<PD3);
+  PORTD |=  (1<<PD2 | 1<<PD3);
+
+  DDRC  &= ~(1<<PC6);
+  PORTC |=  (1<<PC6);
+
+  left_init();
+}
+
+static matrix_row_t read_cols(uint8_t row)
+{
+  matrix_row_t cols0 = 0x00, cols1 = 0x00;
+
+  cols0 = left_read_cols();
+
+  cols1 = (PINC&(1<<PC6) ? 0 : (1<<(0+7))) |
+          (PIND&(1<<PD3) ? 0 : (1<<(1+7))) |
+          (PIND&(1<<PD2) ? 0 : (1<<(2+7))) |
+          (PINB&(1<<PB3) ? 0 : (1<<(3+7))) |
+          (PINB&(1<<PB2) ? 0 : (1<<(4+7))) |
+          (PINB&(1<<PB1) ? 0 : (1<<(5+7))) |
+          (PINB&(1<<PB0) ? 0 : (1<<(6+7))) ;
+
+  return (cols0 | cols1);
+}
+
+static void unselect_rows(void)
+{
+  // Pro Micro
+  DDRF  &= ~(1<<PF7 | 1<< PF6 | 1<<PF5 | 1<<PF4 | 1<<PF1 | 1<<PF0);
+  PORTF &= ~(1<<PF7 | 1<< PF6 | 1<<PF5 | 1<<PF4 | 1<<PF1 | 1<<PF0);
+
+  left_unselect_rows();
+}
+
+static void select_row(uint8_t row)
+{
+  // Pro Micro
+  switch (row) {
+  case 5:
+    DDRF  |=  (1<<PF0);
+    PORTF &= ~(1<<PF0);
+    break;
+  case 4:
+    DDRF  |=  (1<<PF1);
+    PORTF &= ~(1<<PF1);
+    break;
+  case 3:
+    DDRF  |=  (1<<PF4);
+    PORTF &= ~(1<<PF4);
+    break;
+  case 2:
+    DDRF  |=  (1<<PF5);
+    PORTF &= ~(1<<PF5);
+    break;
+  case 1:
+    DDRF  |=  (1<<PF6);
+    PORTF &= ~(1<<PF6);
+    break;
+  case 0:
+    DDRF  |=  (1<<PF7);
+    PORTF &= ~(1<<PF7);
+    break;
+  }
+
+  left_select_row(row);
+}
+
diff --git a/keyboards/hotdox/readme.md b/keyboards/hotdox/readme.md
new file mode 100644
index 000000000..c8062b038
--- /dev/null
+++ b/keyboards/hotdox/readme.md
@@ -0,0 +1,23 @@
+HotDox
+========
+
+![HotDox](https://cdn.shopify.com/s/files/1/1994/3097/products/Sunset_Ergodox.jpg?v=1540495379)
+
+The HotDox is a modified version of the ErgoDox & ErgoDone(made by K.T.E.C.).
+
+
+- Keyboard maintainer: [Layne](https://github.com/layne001365/qmk_firmware)
+
+# Building the firmware
+
+[Install the build tools.](https://docs.qmk.fm/#/getting_started_build_tools)
+
+In the root directory of the repository, build the firmware with a command like:
+
+    make hotdox:default
+
+For more information on the layout option and other ones, see the [`make` guide](https://docs.qmk.fm/#/getting_started_make_guide).
+
+# Flashing the firmware onto the keyboard
+  https://docs.qmk.fm/#/newbs_flashing
+
diff --git a/keyboards/hotdox/rules.mk b/keyboards/hotdox/rules.mk
new file mode 100644
index 000000000..f785cdd06
--- /dev/null
+++ b/keyboards/hotdox/rules.mk
@@ -0,0 +1,82 @@
+#----------------------------------------------------------------------------
+# On command line:
+#
+# make = Make software.
+#
+# make clean = Clean out built project files.
+#
+# That's pretty much all you need. To compile, always go make clean,
+# followed by make.
+#
+# For advanced users only:
+# make teensy = Download the hex file to the device, using teensy_loader_cli.
+#               (must have teensy_loader_cli installed).
+#
+#----------------------------------------------------------------------------
+
+# # project specific files
+SRC =  matrix.c     \
+	   i2c_master.c \
+       left.c
+
+# MCU name
+MCU = atmega32u4
+
+# Processor frequency.
+#     This will define a symbol, F_CPU, in all source code files equal to the
+#     processor frequency in Hz. You can then use this symbol in your source code to
+#     calculate timings. Do NOT tack on a 'UL' at the end, this will be done
+#     automatically to create a 32-bit value in your source code.
+#
+#     This will be an integer division of F_USB below, as it is sourced by
+#     F_USB after it has run through any CPU prescalers. Note that this value
+#     does not *change* the processor frequency - it should merely be updated to
+#     reflect the processor speed set externally so that the code can use accurate
+#     software delays.
+F_CPU = 16000000
+
+#
+# LUFA specific
+#
+# Target architecture (see library "Board Types" documentation).
+ARCH = AVR8
+
+# Input clock frequency.
+#     This will define a symbol, F_USB, in all source code files equal to the
+#     input clock frequency (before any prescaling is performed) in Hz. This value may
+#     differ from F_CPU if prescaling is used on the latter, and is required as the
+#     raw input clock is fed directly to the PLL sections of the AVR for high speed
+#     clock generation for the USB and other AVR subsections. Do NOT tack on a 'UL'
+#     at the end, this will be done automatically to create a 32-bit value in your
+#     source code.
+#
+#     If no clock division is performed on the input clock inside the AVR (via the
+#     CPU clock adjust registers or the clock division fuses), this will be equal to F_CPU.
+F_USB = $(F_CPU)
+
+# Interrupt driven control endpoint task(+60)
+OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
+
+# Boot Section
+BOOTLOADER = atmel-dfu
+
+# Build Options
+#   comment out to disable the options.
+#
+CUSTOM_MATRIX           = yes # Custom matrix file for the ErgoDone
+UNICODE_ENABLE          = yes # Unicode
+BOOTMAGIC_ENABLE        = yes # Virtual DIP switch configuration(+1000)
+MOUSEKEY_ENABLE         = yes  # Mouse keys(+4700)
+EXTRAKEY_ENABLE         = yes # Audio control and System control(+450)
+CONSOLE_ENABLE          = yes # Console for debug(+400)
+COMMAND_ENABLE          = no  # Commands for debug and configuration
+SLEEP_LED_ENABLE        = no  # Breathing sleep LED during USB suspend
+NKRO_ENABLE             = yes # USB Nkey Rollover - not yet supported in LUFA
+USB_6KRO_ENABLE         = no  # USB 6key Rollover
+BACKLIGHT_ENABLE        = yes # Enable keyboard backlight functionality
+KEYMAP_SECTION_ENABLE   = no  # Fixed address keymap for keymap editor
+SWAP_HANDS_ENABLE       = no  # Disable Onehand
+RGBLIGHT_ENABLE         = no
+MIDI_ENABLE             = no
+
+LAYOUTS = ergodox