Below you can download ch340ser driver for Windows.
File name: ch340ser.exe
Version: 7.921
File size: 16.36 MB
Upload source: original install disk
Antivirus software passed: Kaspersky ver. 4.56
Ch340Ser(click above to download)
Serial communication
Input Voltage: 3.3V - 5V
Baud Rate: 9600 - 115200 bps
Operating Temperature: -40°C to +85°C
Dimensions: 19mm x 13mm
Compatibility: Windows, Mac, Linux
Interface: USB 2.0
Troubleshooting Questions and Answers:
Q1: Why is my device not being recognized by my computer?
A1: Ensure that the drivers for CH340SER are installed properly on your computer. You can download the latest drivers from the manufacturer's website and try reinstalling them. Also, try using a different USB cable or port to rule out any connectivity issues.
Q2: Why am I experiencing communication errors when using this device with my microcontroller?
A2: Check the baud rate settings on both the device and microcontroller to ensure they are matched. Make sure the communication pins are connected correctly and firmly. Verify that the microcontroller's firmware supports CH340SER or a similar serial communication interface.
Q3: Why does my device heat up excessively during operation?
A3: Excessive heating could indicate a short circuit or an improper power supply. Double-check the connections and verify that the input voltage provided is within the recommended range (3.3V - 5V). If the issue persists, contact the manufacturer for further assistance as it may be a hardware-related problem.