BLE + USB macropad firmware for nRF52840. Features 16 programmable keys, 7 profiles, RGB LEDs, and a JSON config app. Works on nice!nano and Tenstar Pro Micro.
arduino adafruit keyboard-firmware ws2812b usb-hid nrf52 programmable-keyboard bluetooth-keyboard mechanical-keyboards nrf52840 rgb-keyboard tinyusb nice-nano ble-hid qmk-alternative
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Updated
May 22, 2026 - C++