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I'm trying to write a program in python 3.4 for my Raspberry Pi that will take some photos when motion is detected from an IR sensor ( A bird table in this case).

The camera and IR sensor are working fine but I'm trying to figure out how to just take a few pictures when a bird triggers the sensor and then put the program to sleep for a bit and then take some more photos later when another bird arrives. The problem with my program is that it just continually takes photos non-stop when any motion is detected. Any ideas. Thanks.

from gpiozero import MotionSensor import time from datetime import datetime from picamera import PiCamera from time import sleep camera=PiCamera() pir = MotionSensor(4) while True: if pir.motion_detected: sleep(1) filename = datetime.now().strftime("%Y-%m-%d_%H.%M.%S") camera.capture('/home/pi/Desktop/images/'+filename +'.jpg') print('picture taken')
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  • you need something that is going to stop the camera taking pictures if motion is not detected. Commented Jun 26, 2016 at 11:03
  • A better approach would be to setup an event listener to take a photo when the sensor is triggered. There are many tutorials on the web regarding gpio event listeners. Commented Jun 26, 2016 at 12:36

1 Answer 1

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Use

pir.wait_for_motion() # Code here pir.wait_for_no_motion() # Sleep
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    I don't think you need to sleep after wait_for_no_motion. You can go back to wait_for_motion directly. Commented Mar 30, 2017 at 10:17

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