JD40 === A compact 40% keyboard. Keyboard Maintainer: QMK Community Hardware Supported: JD40 PCB Hardware Availability: [1up](https://1upkeyboards.com/jd40-mkii-1up-keyboards-logo-pcb.html) [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 [build environment setup](https://docs.qmk.fm/build_environment_setup.html) then the [make instructions](https://docs.qmk.fm/make_instructions.html) for more information.