Review on π Latest Raspberry Pi 8-Channel Relay Expansion Board with 5V Power Relay Module for Raspberry Pi 4 3 2 Model B+ B Jetson Nano - XYSGStudy by Michael Olsen
Comes without documentation
I mean nothing. Not even a piece of paper with a link. Literally nothing. I'm assuming it's driven by four GPIO pins, but which ones? Everyone needs to be tested. The rest looks pretty solid. I don't know if it works yet. I asked the seller a question but there was no reply.
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