combolek

> > that doesnt work, the pin from the RPI have not enugh power to hold the on signal > > It works for me, I use it all the...

Ah, so I broke it myself :-1: Thanks, will have to try this. I am not familiar with PSU control plugin but you can certainly call the python script in...

This only works once the relay is in the power off state. Shorting the 5V and RST pins together resets the relay and turns the power back on. It will...

I am not sure. There are a couple of GPIO plugins for OctoPrint but I don't know if they can do exactly what you want. I use Klipper which has...

I agree this needs to be fixed in the manual but in the meantime see this diagram: 

Yeah, the translation is poor. The top "power failure detection" really means "short circuit detection". I have not used it so I am not sure how it works but see...

It seems that some disassembly above is incomplete. Here is slightly better version. [STC15W201S.txt](https://github.com/bigtreetech/BIGTREETECH-Relay-V1.2/files/4195775/STC15W201S.txt)

Still, I a real source code would be desired. It's not like there are some trade secrets there. So we should not have to reverse engineer it.

Check the port number in Device Manager, maybe it's not COM6: 

This depends on the particular chip in your USB->Serial adapter. Some have drivers included with Windows and some require additional drivers installed.