usb-composite-device

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tadakado / ch552-dongle

USB dongle that keeps your computer awake. CH552 composite HID (keyboard + mouse) + CDC, touch-key mode switching, WS2812 status LED. Firmware, PCB and 3D-printed case included.

open-hardware ws2812 sdcc 8051 mcs51 usb-hid fusion360 cdc-acm ch552 easyeda capacitive-touch mouse-jiggler usb-composite-device

Updated Oct 3, 2026
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