DFRduino FIO (Arduino Compatible)
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.
Start wiring
UART · SPI · 3.3 V · Breakout
Verify supply voltage and logic levels before powering up.
LoRa & RF
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Wireless & comms · Wi-Fi & networking · 27 parts
