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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

Hardwiring power time the raspberry pi 4

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  • D
    Drakaen391
    last edited by 23 Nov 2019, 02:33

    I am wondering if anyone knows if it’s possible to hardwire power to the pi 4?

    My current set up had a micro that is cut and spliced to direct power from a 5v 3A power source...

    I’m building a new PiBox and looking to upgrade it to the raspberry pi 4 if it’s worth it when the time comes to add the board...

    The current blue prints are for the Pi 3 but I want to make sure it can be upgraded as needed

    RPi B & RPi 3B OC (Now Raspberry pi 4b 8gb)
    Retropie (Latest Stable)
    PiBox with Wind Tunnel Cooling System

    K 1 Reply Last reply 23 Nov 2019, 02:58 Reply Quote 0
    • K
      KN4THX @Drakaen391
      last edited by 23 Nov 2019, 02:58

      @Drakaen391 It looks like the pinout is the same. #2 can be 5V in and then use #6 as a ground. Just keep in mind there is no power regulation protection using GPIO directly to a power supply.

      "If you're gonna play the Game Boy, You gotta learn to play it right" - https://www.youtube.com/watch?v=FYLGl92ETNQ

      D 1 Reply Last reply 23 Nov 2019, 03:11 Reply Quote 0
      • D
        Drakaen391 @KN4THX
        last edited by 23 Nov 2019, 03:11

        @KN4THX yea, but I use that for my cooling

        RPi B & RPi 3B OC (Now Raspberry pi 4b 8gb)
        Retropie (Latest Stable)
        PiBox with Wind Tunnel Cooling System

        K 1 Reply Last reply 23 Nov 2019, 04:28 Reply Quote 0
        • K
          KN4THX @Drakaen391
          last edited by 23 Nov 2019, 04:28

          @Drakaen391 Pins #2 and #4 can be used to input power without usb power or run devices with usb power so you have two to choose from. There are even more grounds.

          Pins # 1 and #17 are 3V power outputs. I used those instead of the 5V because they would run the fan slightly slower which meant quieter fans as I didn't like the noise.

          "If you're gonna play the Game Boy, You gotta learn to play it right" - https://www.youtube.com/watch?v=FYLGl92ETNQ

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