Create pir-sensor

Python Modules/pir-sensor

@@ -0,0 +1,59 @@
+#!/usr/bin/python
+# pir_1.py
+# Detect movement using a PIR module
+#
+# Author : Jaydev shiroya 
+# Date   : 28/08/2016
+
+# Import required Python libraries
+import RPi.GPIO as GPIO
+import time
+
+# Use BCM GPIO references
+# instead of physical pin numbers
+GPIO.setmode(GPIO.BCM)
+
+# Define GPIO to use on Pi
+GPIO_PIR = 21
+
+print "PIR Module Test (CTRL-C to exit)"
+
+# Set pin as input
+GPIO.setup(GPIO_PIR,GPIO.IN)      # Echo
+
+Current_State  = 0
+Previous_State = 0
+
+try:
+
+  print "Waiting for PIR to set..."
+
+  # Loop until PIR output is 0
+  while GPIO.input(GPIO_PIR)==1:
+    Current_State  = 0    
+
+  print "  Ready for Sense"     
+
+  # Loop until users quits with CTRL-C
+  while True :
+
+    # Read PIR state
+    Current_State = GPIO.input(GPIO_PIR)
+
+    if Current_State==1 and Previous_State==0:
+      # PIR is triggered
+      print "  Motion detected!"
+      # Record previous state
+      Previous_State=1
+    elif Current_State==0 and Previous_State==1:
+      # PIR has returned to ready state
+      print "  Ready"
+      Previous_State=0
+
+    # Wait for 10 milliseconds
+    time.sleep(0.01)      
+
+except KeyboardInterrupt:
+  print "  Quit" 
+  # Reset GPIO settings
+  GPIO.cleanup()