Connecting FFC FPC PCB board converter to Arduino

[b707]

@dposynko

I got a suggestion to use MOSFET for safer power switch

I think it would be better to use an optocoupler

Arduino to turn on PC using Opto-coupler help needed

I've messing around with different ways to turn on PC using an Arduino, remotes, RFID, magnets, etc. That side of the problem is fine, using serial print I can see they do what they are meant to and trigger the correct code My problem currently is I can't get the other side of it to work properly. (see attachments) It's either a code problem or component problem. I can get this to work to a point but it turns the computer off within a second or so. My questions are: Do I need to …

Try to search the forum, the question is a quite common