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How to use the PIR motion sensor on Raspberry PI 4

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 Neil
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(@Neil)
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Joined: 2 months ago

Hi
Could you explain to me how to connect the PIR motion sensor to a Raspberry Pi and also how to use it?

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(@raspi)
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Joined: 2 months ago

Hi
PIR sensors have three pins: one for power supply (VCC), another for the output of an electrical signal (OUT), and another to connect it to ground (GND).

Although they work with 5 volts, the electrical pulse output is only 3.3 volts, so you will not need to use a resistor.

To learn more about the PIR motion sensor, check out this tutorial:
https://en.alfanotv.com/laptops/how-to-use-a-pir-motion-sensor-with-raspberry-pi-4/

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