PIR Sensor + Raspi

[pepemujica]

Hi everyone!
I’ve got a doubt. I’ve been watching a few videos on youtube on how to connect the pir sensor to the raspi.
In every video, they use an arduino or a protoboard. Is this really necesary, or with the female-female cable, the PIR sensor and the raspi is enought?

Kind regards

[PtrBld]

Hi,

you do not need to use an arduino or anything else. Just connect the Pir-Sensor to the raspberry pi like this:

[McSorley]

I have it wired a little different. I have it connected to a different GPIO Pin.

Following this guide worked beautifully.
https://www.raspberrypi.org/learning/parent-detector/worksheet/

[pepemujica]

@PtrBld Thank you very much!

[pepemujica]

@PtrBld Hi! I am trying yo use the PIR-Sensor module, but I have no result, the screen never goes black.
I have connected the cables as the picture you post. Any idea why is not working?

[PtrBld]

@pepemujica said in PIR Sensor + Raspi:

Any idea why is not working?

Maybe you should calibrate your PIR sensor tuning. There are two little orange knobs where you can adjust the sensitivity of the sensor.

[McSorley]

@pepemujica Good way to make sure you have it connected correctly and that the PIR is operating is to try out the python code in the link I sent.

from gpiozero import MotionSensor

pir = MotionSensor(4)
while True:
    if pir.motion_detected:
        print("Motion detected!")

Keeping in mind for both this code and the module that you have the correct pin number.

[pepemujica]

@McSorley said in PIR Sensor + Raspi:

Keeping in mind for both this code and the module that you have the correct pin number.

How do I know in what pin are the 3 cables connected?

[McSorley]

@pepemujica www.raspberrypi.org/documentation/usage/gpio-plus-and-raspi2/

You have 5v, Ground, then GPIO.

[pepemujica]

@McSorley so, the (4) you’ve put in the example before, wich of the 3 cables is?
Sorry, I’m pretty new in this, and I can’t get it easyly