qmk-firmware/keyboards/jj4x4/README.md

# jj4x4

![jj4x4](https://cdn.shopify.com/s/files/1/2711/4238/products/JJ4x4case-1_1024x1024.jpg?v=1532325339)

A 4x4 keypad kit made and KPRepublic on AliExpress. This is a chopped off version of the jj40 with rearranged keys.

* Keyboard Maintainer: [QMK Community](https://github.com/qmk)
* Hardware Supported: Atmega32A
* Hardware Availability: [AliExpress](https://www.aliexpress.com/item/jj4x4-jj4X4-16-keys-Custom-Mechanical-Keyboard-PCB-programmed-numpad-layouts-bface-firmware-with-rgb-bottom/32901955446.html)

Make example for this keyboard (after setting up your build environment):

    make jj4x4:default

Flashing example for this keyboard ([after setting up the bootloadHID flashing environment](https://docs.qmk.fm/#/flashing_bootloadhid))

    make jj4x4:default:flash

**Reset Key**:

Hold down the key located at *K12*, commonly programmed as *8* while plugging in the keyboard USB cable.

Key *K12* is in the above picture:

Row 2 from the top, Column 2 from the left, see the schematic below:

```
  ,-----------------------.
  |     |     |     |     |
  |-----`-----`-----`-----|
  |     | K12 |     |     |
  |-----`-----`-----`-----|
  |     |     |     |     |
  |-----`-----`-----`-----|
  |     |     |     |     |
  `-----`-----`-----`-----'
```

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).