USBuino Nano

Overview

Compatible with ch55xduino, no need to plug or unplug USB to enter Boot:
press and hold the PWD and UDP buttons at the same time, release the PWD button first, and then release the UDP button!
There is one user button and three LED indicators onboard;
have fun~~~~
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Verified.
Base on CH55Xduino https://github.com/DeqingSun/ch55xduino Thanks to DeqingSun's ch55xduino for doing groundbreaking work
Hardware Reference: https://oshwhub.com/liuzewen/ch552-kai-fa-ban
Thanks also

Design Files

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Update:2025-06-20 00:47:18

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