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Please do not post a support request without first reading and following the advice in https://retropie.org.uk/forum/topic/3/read-this-first

Reset Switch for the RaspberryPi

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reset switchraspberrypi 3b+cables
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  • D
    DarkSide1305
    last edited by 16 May 2018, 08:41

    Hello. So, I got a Standard "Power SW" out of an PC. It has a Red and a Black Cable. Now, I wanted to ask, do I have to soder the wires to specific Holes? I know I have to Soder them to the 2 Holes which are labeled "Run", but does the Color matter?

    F 1 Reply Last reply 16 May 2018, 08:58 Reply Quote 0
    • F
      Fruitybit @DarkSide1305
      last edited by 16 May 2018, 08:58

      @darkside1305 No it doesn’t matter as it’s just a momentary contact.

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      • D
        DarkSide1305
        last edited by DarkSide1305 16 May 2018, 10:02

        @Fruitybit I sodered it into the Hole, but the Button doesnt work :/

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          DarkSide1305
          last edited by 16 May 2018, 10:16

          Well, the Button does absolutely nothing. If I hold the Wires togheter on the other Hand, my Pi gets Stuck in a Boot Loop, showing nothing

          F 1 Reply Last reply 16 May 2018, 10:28 Reply Quote 0
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            Fruitybit @DarkSide1305
            last edited by 16 May 2018, 10:28

            @darkside1305
            Are you using a momentary switch or an on/off one? It only needs a momentary contact otherwise it will forever be resetting itself.

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              DarkSide1305
              last edited by 16 May 2018, 10:46

              @Fruitybit I dont know what kind of Switch it is. Its just an ordinary Power SW out of an Computer Case. If I press the Button, absolutely nothing happens, when the Cables are not connected. If I let the 2 Cables touch, the Button still does nothing but my Raspberry Pi reboots forever.

              F 1 Reply Last reply 16 May 2018, 10:53 Reply Quote 0
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                Fruitybit @DarkSide1305
                last edited by 16 May 2018, 10:53

                @darkside1305
                The cables only need to make contact for a brief moment. That initiates the reboot. You need to check whether your switch a: actually works, and b: is it momentary/press to make, or on or off all the time.
                You’d ideally need a continuity or resistance tester on a voltmeter for example, or test it (off the pi) with a small bulb and battery to see what happens to the bulb.
                What you want is a switch that only makes contact when you press it, not one that stays on once pressed.
                If you have a voltmeter, put it to resistance and check what happens again. It should show infinite resistance when off and next to zero resistance when you press it. (And only when you press it!)

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                • D
                  DarkSide1305
                  last edited by DarkSide1305 16 May 2018, 11:11

                  @Fruitybit Here is a Picture, I just used one of these and removed the Part at the End alt text

                  F 1 Reply Last reply 16 May 2018, 11:45 Reply Quote 0
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                    Fruitybit @DarkSide1305
                    last edited by 16 May 2018, 11:45

                    @darkside1305 You still need to check when it has continuity. Is it sprung? Does it click when you push it??

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                    • D
                      DarkSide1305
                      last edited by 16 May 2018, 12:09

                      Yes, it clicks when I push it

                      F 1 Reply Last reply 16 May 2018, 12:23 Reply Quote 0
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                        Fruitybit @DarkSide1305
                        last edited by 16 May 2018, 12:23

                        @darkside1305 It could well be an on/off switch then. Can you test it at all?

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                          DarkSide1305
                          last edited by 16 May 2018, 12:42

                          @Fruitybit Nevermind, it works. The Button was just simply broken. Got another one, works like a charm

                          1 Reply Last reply Reply Quote 1
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