# Prime_O ![Prime_O](https://i.imgur.com/ujbBdja.jpg) A 16x5 ortholinear keyboard that has many layout options, including: full grid, left- or right-side full sized numpads, and Many spacebar locations. Standard in-switch backlighting. See primekb.com for full details of possible layouts. Keyboard Maintainer: [MxBlue](https://github.com/MxBlu) Hardware Supported: Prime_O PCB, ATMega32u2 Hardware Availability: GB Make example for this keyboard (after setting up your build environment): make primekb/prime_o:default See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).