Miniature ATmega32U4 board with native USB HID, onboard LiPo charging, and standard UART, I2C, and SPI interfaces. Pin-compatible with Arduino Leonardo; suited for compact wearable or HID builds.
| Pin | Type |
|---|---|
| ATmega32U4 pins (Leonardo compatible) | Signal |
| LiPo charge | Power |
| 3.3V5V | Power |
| GND | Ground |
| USB | USB |
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