The DFRobot FireBeetle ESP32 IOT is a small, low-power IoT board based on the ESP32, which integrates a dual core MCU, Wi-Fi, and Bluetooth 4.2 in a single module. The board provides multiple serial interfaces, 10 digital I/Os, and 5 analog inputs, and can be mated with FireBeetle covers for expanded IO, displays, and prototyping. It can operate from an external lithium battery or USB, supports USB charging, and consumes just 10 µA in deep-sleep mode for extended battery life. The board has a tiny footprint, measuring just 24 x 53 mm, and is compatible with Arduino, the Espressif IoT Development Framework, micropython, and other development tools. [ Ссылка ]
