CH9329 UART TTL serial port to USB HID full keyboard and mouse module development board

CH9329 is a serial port to standard USB HID device (keyboard, mouse, custom HID) chip. According to different working modes, it can be identified as standard USB keyboard device, USB mouse device or custom HID device on the computer. The chip receives the serial data sent from the client, and according to the HID class device specification, the data is first packaged and then transmitted to the computer through the USB port. Through the provided upper computer software, the user can also configure the chip working mode, serial communication mode, serial communication baud rate, various timeout times, VID, PID, and various USB string descriptors.

The following is its general application block diagram.
Note: Using the upper computer test software needs to be used with USB to TTL module!
USB to TTL module and CH9329 module connection sequence, 5V pin can not be connected!
After setting the PID and VID parameters, you need to insert and remove the module and restart the module to take effect. You can check the PID and VID of the module in the device manager of the computer.