Added content.

- Notes
- Practical
- Question Papers
- DISCLAIMER and motto file
Lastly, updated README file.

Practical/Assignment-3/IoT - Code-3.py

@@ -0,0 +1,28 @@
+"""
+THIS CODE HAS BEEN TESTED ON RASPBERRY PI 3B and 4B AND IS FULLY OPERATIONAL.
+
+Problem Statement: IR Sensor
+
+Code from InternetOfThingsAndEmbeddedSystems (SPPU - Third Year - Computer Engineering - Content) repository on KSKA Git: https://git.kska.io/sppu-te-comp-content/InternetOfThingsAndEmbeddedSystems
+"""
+
+# BEGINNING OF CODE
+import RPi.GPIO as GPIO
+import time
+
+GPIO.setmode(GPIO.BCM)
+GPIO.setwarnings(False)
+GPIO.setup(16,GPIO.IN) # For IR sensor
+GPIO.setup(26,GPIO.OUT) # For LED
+
+try: 
+   while True:
+      if (GPIO.input(16)):
+          print("No object")
+          GPIO.output(26,GPIO.LOW) # LED OFF when no object detected
+      else:
+          print("Object Detected")
+          GPIO.output(26,GPIO.HIGH) # LED ON when object detected
+except KeyboardInterrupt:
+    GPIO.cleanup()
+# END OF CODE