A compact Arduino compatible board with an integrated W600 Wi-Fi module, making it ideal for compact and low-power IoT projects. It features 6 analog and 14 digital pins, a UART, I2C, and ICSP port. It has a USB Type-C socket for 5V power and programming, and there is also provision to connect and charge a 3.5-4.2V Li-po battery (not included) for portable applications.