# YMDK NP21 ![kp21 — full grid layout](https://ae01.alicdn.com/kf/HTB1d.txfHsTMeJjSszhq6AGCFXaF.jpg?size=35021&height=662&width=1000&hash=62b3a453686e2154dc51a7af67495e28) ps2avrGB based number-pad sold fully assembled by YMDK on Aliexpress. * Keyboard Maintainer: [QMK Community](https://github.com/qmk) * Hardware Supported: Atmega32A * Hardware Availability: [AliExpress](https://www.aliexpress.com/item/21-Key-NPKC-Programmable-Cherry-MX-Kailh-Gateron-Switches-Mechanical-Keyboard-Numpad-Free-shipping/32812732361.html) Make example for this keyboard (after setting up your build environment): make ymdk_np21:default Flashing example for this keyboard ([after setting up the bootloadHID flashing environment](https://docs.qmk.fm/#/flashing_bootloadhid)) make ymdk_np21:default:flash **Reset Key**: Hold down the 'Top Left Key' (USB on top) while plugging in the keyboard. 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).