Discontinued 3.3 V Arduino-compatible board with ATmega328V at 8 MHz, underside XBee socket, LiPo battery connector with MAX1555 charger, and Mini USB for charging only. Programming requires an external FTDI adapter.
2 grouped connections are listed in the table but omitted from the graphic until individual pins are available.
| Pin | Type |
|---|---|
| VCC | Power |
| GND | Ground |
| A0–A7 | Signal |
| D0RX | GPIO, UART |
| D1TX | GPIO, UART |
| D2–D13 | Signal |
| I2C SDA | Signal |
| I2C SCL | Signal |
| FTDI | Signal |
| BAT | Power |
2 grouped connections are omitted from the graphic until individual pins are available.
UART · SPI · 3.3 V · Breakout
Confirm the data interface matches your host board.
Module pins: VCC, GND, A0–A7, D0/RX, D1/TX, D2–D13, I2C SDA, I2C SCL. Schematik maps them to your board in the app.
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