# AMJ40 ![AMJ40](https://raw.githubusercontent.com/noroadsleft/qmk_images/master/keyboards/amj40/AMJ40-Keyboard-Side-scaled_640.jpg)\ [PCB photo](https://raw.githubusercontent.com/noroadsleft/qmk_images/master/keyboards/amj40/DSC_1718-768x512_640) DIY/Assembled compact 40% keyboard. * Keyboard Maintainer: QMK Community * Hardware Supported: AMJ40 PCB * Hardware Availability: no longer available * References: [Flashquark](https://flashquark.com/product/amj40-40-mechanical-keyboard-kit/), [geekhack](https://geekhack.org/index.php?topic=87961.0) Make example for this keyboard (after setting up your build environment): make amj40:default Flashing example for this keyboard: make amj40:default:flash To reset the board into bootloader mode, hold the key at the top left of the keyboard while connecting the USB cable (also erases persistent settings). 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).