"""
THIS CODE HAS BEEN TESTED ON RASPBERRY PI 3B, 4B AND IS FULLY OPERATIONAL.

Problem Statement: Water level

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 library

# Initalize GPIO
GPIO.setmode(GPIO.BCM)
GPIO.setwarnings(False)
GPIO.cleanup()
GPIO.setup(16, GPIO.IN)         # Set GPIO 16 as input for water level sensor signal
GPIO.setup(6, GPIO.OUT)         # Set GPIO 6 as output for LED

try:
    while True:
        if (GPIO.input(16))
            GPIO.output(6, True)    # Turn ON LED if water detected
        else
            GPIO.output(6, False)   # Keep LED OFF if no water detected
except KeyboardInterrupt:
    GPIO.cleanup()
    print("Program exited by user.")
# END OF CODE