CH340G ArduinoĪ CH340G Arduino is when you shrink an Arduino control system into a serial interface module. And the power supply will be cut off when needed. In truth, it will help to regulate the power supply to the microcontroller. In addition, you can also add a toggle to the schematic. Then, link a resistor to the RXD and diode to the TXD pin.Īs a result, it will stop the USB from sending power to the target chip. Afterward, connect the RXD pin to the microcontroller’s TXD pin. The first step is to link the H340’s TXD pin to the microcontroller’s RXD pin. The Pinout of CH304G Schematic Diagram of the CH340 Module Circuit
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