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Update hardware-programmer-ch341a-voltage-fix.md

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Signor Pellegrino 2025-07-17 17:58:56 +03:00 committed by GitHub
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@ -68,6 +68,15 @@ sudo udevadm trigger
then unplug the programmer and plug it back in a USB port. then unplug the programmer and plug it back in a USB port.
### Power supply isolation
We also recommend insulating the output going to the VCC terminal block and clamps
with a piece of heat pipe to prevent power supply to the board through this circuit.
Power supply can trigger the processor to start up and the work of reading/writing
information from the flash chip will be disrupted.
![](../images/hardware-ch341a-hack-7.png)
### Software ### Software
- [SNANDer](https://github.com/McMCCRU/SNANDer) or [this fork](https://github.com/Droid-MAX/SNANDer) - [SNANDer](https://github.com/McMCCRU/SNANDer) or [this fork](https://github.com/Droid-MAX/SNANDer)