
Five-button analog keyboard module that reports all key states through one analog signal line, preserving microcontroller GPIO.

| Pin | Type |
|---|---|
| S | Signal |
| VCC | Power |
| GND | Ground |
I2C · Analog · USB · 3.3 – 5 V · Breakout
Module pins: VCC, GND, S. Schematik maps them to your board in the app.
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