Tag Archives: CH341a

The CH341a Programmer

3.3V CH341a Signal Output Modification

After realizing that my Black CH341a was not working as intended while flashing my x230 with Coreboot, (it was sending 5V to the signal outputs instead of 3.3V) I decided to attempt the fix I found online. It went well and only took about 15 minutes. All that is required is a decent soldering iron, a couple of hand tools, some small wire and a good amount of patience.

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