The Feasycom FSC-BT816SG is a fully integrated Bluetooth module that complies with dual-mode Bluetooth 5.1 protocols (BR/EDR and LE). It provides several interfaces such as UART, I2C, PCM, AIO, PIO, etc., which can be customized for different applications. FSC-BT816SG supports various profiles. It integrates MCU, baseband controller, and RF in a small package, so the designers can have better flexibilities for the product shapes. FSC-BT816SG can be controlled by UART port or other interfaces. Please refer to Feasycom software design guide for the interfacing protocol.