36 lines
1.2 KiB
Python
Executable File
36 lines
1.2 KiB
Python
Executable File
# MBTechWorks.com 2017
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# Use an HC-SR501 PIR to detect motion (infrared)
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#!/usr/bin/python
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import RPi.GPIO as GPIO
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import time
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GPIO.setmode(GPIO.BOARD) #Set GPIO to pin numbering
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pir = 8 #Assign pin 8 to PIR
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led = 10 #Assign pin 10 to LED
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GPIO.setup(pir, GPIO.IN) #Setup GPIO pin PIR as input
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GPIO.setup(led, GPIO.OUT) #Setup GPIO pin for LED as output
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print ("Sensor initializing . . .")
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time.sleep(2) #Give sensor time to startup
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print ("Active")
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print ("Press Ctrl+c to end program")
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try:
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while True:
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if GPIO.input(pir) == True: #If PIR pin goes high, motion is detected
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print ("Motion Detected!")
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GPIO.output(led, True) #Turn on LED
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time.sleep(4) #Keep LED on for 4 seconds
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GPIO.output(led, False) #Turn off LED
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time.sleep(0.1)
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except KeyboardInterrupt: #Ctrl+c
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pass #Do nothing, continue to finally
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finally:
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GPIO.output(led, False) #Turn off LED in case left on
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GPIO.cleanup() #reset all GPIO
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print ("Program ended")
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