Remote PC Power Button
I am in the process of building a small circuit that will allow me to control my power button on my PC via my phone.
For the beginning I will take a Raspberry Pi.
So that the whole thing works and my computer does not let my Pi burst into flames by too high currents or so, the whole thing should be galvanically separated with an optocoupler.
Currently I'm still failing because the resistance at the output is too high, but when I've fixed all that I'll write a little tutorial here 🙂
Maybe someone else can do something with it.
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Hi, You need to find the jumper posts on your mainboard that the switch connects to. Here is the safest place to connect your relay. It's possible to connect the RPi to those posts directly, but you don't know if the posts are reading resistance or voltage to determine if you've pressed the button. So the safest thing to do is to use a relay which acts as an interface and mimics the action of the original switch.