How to Use a PIR Motion Sensor with Raspberry Pi | raspberry pi for beginners
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Code:
import RPi.GPIO as GPIO # Import Library to access GPIO PIN
import time # To access delay function
GPIO.setmode(GPIO.BOARD) # Consider complete raspberry-pi board
GPIO.setwarnings(False) # To avoid same PIN use warning
Relay_PIN = 11 # Define PIN for Relay
PIR_PIN = 7 # Define PIN for PIR Sensor
GPIO.setup(Relay_PIN,GPIO.OUT) # Set pin function as output
GPIO.setup(PIR_PIN,GPIO.IN) # Set pin function as input
while (1):
if GPIO.input(PIR_PIN) == GPIO.HIGH:
print "Bulb ON"
GPIO.output(Relay_PIN,GPIO.LOW) #Relay ON
else :
print "Bulb OFF"
GPIO.output(Relay_PIN,GPIO.HIGH) # Relay OFF