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    USB plugs / erratic power on/off

    GamePad/GPIO/USB encoder
    usb plugs erratic onoff
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    • giantcoucou
      giantcoucou last edited by

      Hi there 🙂

      It makes a few days now I'm inquiring about this issue but I didn't find a satisfying patch action nor a clear process to follow. As some people reported a quite same experience, my PI 3b+ (+recalbox 6) shuts down as I plug/unplug any usb device (even if I just make a simple contact between the USB plug and the device). Here is my layout :

      USB1 : 1 sandisk 128go
      USB2 : X
      USB3 : X
      USB4 : X

      GPIO 3 (PIN5) - GROUND (PIN9) : micro-switch button for a clean on/off switch action
      GPIO 5V (PIN4) - GROUND (PIN6) : fan

      On my recalbox.conf : "system.power.switch=PIN56PUSH"

      All the system is quite new (bought 1 month ago) and the PI is a well limented with its genuine charger.

      Note that everything was going well before I introduce the micro-switch ON/OFF button

      So, I've learned by reading about this that this issue is about a quick micro electric charge that is impulsed by the USB connector : so, how to tell the Pi that I'm not powering off the system but I'm just pluging a controller (in my case, I plug a sony PS3 controller on USB2)?

      As I'm a big noob, any help will by very apreciated!

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      • giantcoucou
        giantcoucou last edited by

        @giantcoucou just a precision : if I don't touch the USB plugs, the Pi will stay on for a random time before shutting down (usually it stay alived around an hour), then it will stay off for another random delay before waking up some hours later...

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