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katbyte / acorn-vfd

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Cross-platform CLI to control the 橡果工坊 (Acorn Workshop) IV48/1V48 round-dial VFD fluorescent clock over Bluetooth LE without the WeChat mini-program. BLE protocol reverse-engineered from the vendor app; see PROTOCOL.md.

go cli golang iot clock reverse-engineering bluetooth ble bluetooth-low-energy gatt vfd nixie-clock nordic-uart wechat-miniprogram smart-clock vfd-clock diym fluorescent-clock xggf acorn-workshop
  • Updated Sep 8, 2026
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