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Please do not use the CH9329-Kit development board without verifying the project.

Overview

PCB, not verified, please do not make boards!
PCB, not verified, please do not make boards!
PCB
, not verified, please do not make boards! PCB
, not verified, please do not make boards! PCB, not verified, please do not make boards!

Due to the suspension of express delivery in my area, the solution verification may be delayed a few days. The tentative verification time is 2022-12-05.

Overview CH9329 is a serial port to standard USB HID device (keyboard, mouse, custom HID) chip. According to Different working modes can be recognized on the computer as standard USB keyboard devices, USB mouse devices or custom HID devices. The chip receives the serial port data sent by the client, and according to the HID device specification, packages the data first and then uploads it to the computer through the USB port. Through the provided host computer software, users can also configure the chip working mode, serial communication mode, serial communication baud rate, multiple times, VID, PID, and various USB string descriptors. *This overview is copied from the CH9329 Chinese manual*

Design Files

CH9329DS1.PDF

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It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

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Update:2025-05-08 15:33:26

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