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Raspberry Pi Forum Wiring up a PIR to a PiFace Digital2
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  • piface_digital pir
  • rasberry_pi_3_b_plus
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Wiring up a PIR to a PiFace Digital2

balanga
balanga over 6 years ago

Apologies for this newbie type question, but I can't figure out how to use inputs on a PiFace Digital2.... I would like to connect up a PIR to a to this device and have come across instructions here Review of PiFace Digital , which even has sample code, but it's not clear to me which wires go where.

 

Any guidance would be appreciated.

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  • Robert Peter Oakes
    Robert Peter Oakes over 6 years ago

    A lot of these PIR sensors will work on 3V3 and if the one you have is similar to the one Doug shows above then you should be able to feed the OUT signal directly to the PI

     

    I cant remember if the PIFace Dig 2 has level shifter, if it does them a more reliable 5V supply will also be OK

     

    But in a basic setup you would not need the PIFace Digital at all.

     

    I do have an older video showing how to wire and use the PIFace Digital 2 here https://www.hackster.io/peteroakes/piface-digital-2-on-a-rasberry-pi-2-and-windows-10-iot-3aa858  but it uses Windows 10 for IOT. the wiring will be the same

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  • dougw
    dougw over 6 years ago in reply to Robert Peter Oakes

    The one above runs on a 5V supply but the output is only 3.3V.

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  • dougw
    dougw over 6 years ago in reply to Robert Peter Oakes

    The one above runs on a 5V supply but the output is only 3.3V.

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