Four-Key Macro Pad for AI Coding
Choice_Border_8904 · reddit · 2026-07-11
The author built a 4-key Bluetooth macro pad using the XIAO nRF52840 to make AI-assisted programming more convenient.
- Keys mapped to common actions: Win+H voice input, Ctrl+Shift+O new chat, Enter submit, Ctrl+Shift+D voice activation.
- The device connects to the computer via Bluetooth and can also integrate a DJI Mic Mini for voice input.
- The project includes a 3D-printed case, a 300mAh LiPo battery, and the author has open-sourced the code and build process on Instructables, allowing others to remap keys and reuse.
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