CardKB2 Keyboard Unit (ESP32-C61)
42-key portable keyboard unit with an onboard ESP32-C61HF4 supporting four interface modes: I2C, UART, BLE HID, and ESP-NOW. USB-C and HY2.0-4P connectors; RGB indicator included.
42-key portable keyboard unit with an onboard ESP32-C61HF4 supporting four interface modes: I2C, UART, BLE HID, and ESP-NOW. USB-C and HY2.0-4P connectors; RGB indicator included.
5V power supply via HY2.0-4P Grove connector
Ground via GROVE connector pin 3
I2C data line via HY2.0-4P Grove connector
I2C clock line via HY2.0-4P Grove connector
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| VCC | power | 5V power supply via HY2.0-4P Grove connector | 5 | |
| GND | ground | Ground via GROVE connector pin 3 | ||
| SDA | i2c | I2C data line via HY2.0-4P Grove connector | ||
| SCL | i2c | I2C clock line via HY2.0-4P Grove connector |
I2C · Analog · USB · 3.3 – 5 V · Breakout
Confirm the data interface matches your host board.
Module pins: VCC, GND, SDA, SCL. Schematik maps them to your board in the app.
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