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    Raspberry Pi relay wiring photos

    Raspberry Pi
    raspberry pi
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    • RussR
      Russ
      last edited by Russ

      Here's how to wire up this relay board to open two garage doors.
      https://www.amazon.com/JBtek-Channel-Module-Arduino-Raspberry/dp/B00KTELP3I

      Each of the 8 relays has 3 contacts. Use the two contacts closest to the end with the yellow jumper. That way the circuit is usually open.
      The other end of those wires connect to the garage door openers, where you'd connect a button.
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      Russell VanderMey

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