print("Hello, ESP32!")  # Display message to serial monitor

#####################################
###### IMPORT LIBRARIES
from machine import Pin      # Import Pin module to control GPIO pins
from machine import ADC      # Import ADC module to read analog values
from utime import sleep     # Import sleep function for delay

#####################################
###### PIN CONFIGURATIONS

# Configure the pin as input
# Replace the x with your GPIO Pin X number here
pot_pin = ADC(Pin(4))   # Set GPIO4 as ADC input for potentiometer

# Configure LED as output
# Replace the y with your GPIO Pin Y number here
led1_pin = Pin(25, Pin.OUT)   # Set GPIO25 as output for LED

#####################################
###### MAIN ROUTINE

def main():
    while True:   # Infinite loop

        # Read potentiometer value
        pot_value = pot_pin.read()   # Read analog value from potentiometer

        # Condition for LED
        if pot_value < 2100:
            led1_pin.value(0)  # Turn OFF LED
        else:
            led1_pin.value(1)  # Turn ON LED

        # Print potentiometer value to serial monitor
        print(pot_value)

        # Small delay before next reading
        sleep(0.1)

#####################################
###### EXECUTE MAIN ROUTINE

if __name__ == '__main__':
    main()   # Run the main function