JD40 === A compact 40% keyboard. Keyboard Maintainer: QMK Community Hardware Supported: JD40 PCB Hardware Availability: [1upkeyboards](https://www.1upkeyboards.com/shop/controllers/jd40-mkii-1up-keyboards-logo-pcb/), [mechanicalkeyboards.com](https://mechanicalkeyboards.com/shop/index.php?l=product_detail&p=2452), [originative](https://www.originativeco.com/products/jd40-pcb) Make example for this keyboard (after setting up your build environment): make jd40: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).