All-in-one USB to TTL module

The utility model discloses an all-in-one USB (Universal Serial Bus) to TTL (Transistor-Transistor Logic) module which comprises a shell, a PCB (Printed Circuit Board) is arranged in the shell, one end of the PCB is provided with a USB interface, and the PCB is also provided with an MCU (Microprogrammed Control Unit) chip for converting a USB protocol to a serial port TTL protocol and a wireless communication module. And any one of the wireless communication modules is electrically connected with the MCU chip through a TTL (Transistor-Transistor Logic) serial port. By integrating various wireless modules, welding debugging can be carried out on the JDY41 wireless module, the BLE103 Bluetooth module, the BLE106 Bluetooth module, the ECB02H2 Bluetooth module and the ECB02S3 Bluetooth module in an onboard mode, different functions are achieved, and integration is achieved. 本实用新型公开了一种多合一USB转TTL模块，包括外壳，所述外壳内部设置有PCB印刷电路板，所述PCB印刷电路板的一端设置有USB接口，所述PCB印刷电路板上还设置有USB协议转串口TTL协议的MCU芯片和无线通信模块，所述无线通信模块中的任意一种通过TTL串口与所述MCU芯片电气