{"title":"Adafruit NeoKey BFF for Mechanical Key Add-On for QT Py and Xiao","handle":"adafruit-neokey-bff-for-mechanical-key-add-on-for-qt-py-and-xiao","url":"/products/adafruit-neokey-bff-for-mechanical-key-add-on-for-qt-py-and-xiao","description":"The Adafruit NeoKey BFF adds a single mechanical key switch with RGB backlighting to any QT Py or Xiao board. Designed to solder or plug onto the back of your QT Py, it features a Kailh hot-swap socket for tool-free MX-compatible switch changes and a reverse-mount NeoPixel that shines up through the keycap.\n\nThe key switch connects to pin A3 and the NeoPixel to pin A2 by default, with on-board jumpers for reconfiguration. Perfect for building a single-key macro pad, mute button, or notification trigger in the smallest possible form factor.\n\nKey Features\n\n\nKailh Hot-Swap Socket – Plug in any MX-compatible mechanical switch without soldering\n\nReverse-Mount NeoPixel – RGB LED shines up through the switch for customisable backlighting\n\nQT Py / Xiao Compatible – Solders directly to the back or use headers for a removable connection\n\nConfigurable Pins – Default A3 (key) and A2 (NeoPixel); on-board jumpers for remapping\n\nCompact Design – Stacks directly behind your QT Py for a minimal footprint\n\n\nIdeal For\n\nSingle-key macro pads and shortcut buttons\nMute/unmute toggles for video calls\nNotification indicators with RGB feedback\nCustom USB HID input devices\n\n\nPackage Contents\n\n1× Adafruit NeoKey BFF PCB (assembled)\n1× Break-off header strip\n\n\n\nNote: QT Py, mechanical switch, and keycap are not included. Use any MX-compatible switch (Kailh, Gateron, Cherry, etc.). A small amount of hot glue or epoxy may be needed to secure the switch in the socket.\n","vendor":"Adafruit","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":1782,"title":"Default Title","sku":"AF-5695","price":4.87,"compare_at_price":0.0,"on_sale":false,"in_stock":true,"available_quantity":10,"option1":"Default Title"}]}