Description On board cheap control MCU STM8S, you can also program it again by yourself. On board 5V-3.3V power supply regulator On board (backside) status LED, indicating connection status. Compatible size, easily embedded to your project. Supported all lead out pins. PCB dimension 26 x 22, not include the bluetooth hang out. Shipment includes the main module as shown in the images. Control commands, use guide, notes please see documentation please see on this page. On Board Bluetooth module: V2 version == Bluetooth 3.0 BLE 4.2 V1 version == EDR 2.0
