print("Program for external LED Blinking")
print("Date: 28/10/2024")
print("Created by :BAT")

# Import Libraries/Modules
from machine import Pin, ADC
import time

# Pin Declaration
potentiometer_pin = ADC(Pin(34))  # Potentiometer analog input
red_led = Pin(2, Pin.OUT)  # ESP32 onboard LED (example GPIO2)

# Main Program
while True:
    try:
        # Read Potentiometer value
        potentiometer_value = potentiometer_pin.read()  # Reading ADC value (0-4095 range)
        voltage = (potentiometer_value / 4095) * 3.3  # Convert to voltage (assuming 3.3V ADC reference)

        # Debugging Info
        print(f"Potentiometer Voltage: {voltage:.2f}V")

        # LED Control based on voltage threshold
        if voltage > 1.65:  # High voltage condition (example threshold: 1.65V)
            red_led.value(1)  # Turn ON onboard LED
        else:  # Low voltage condition
            red_led.value(0)  # Turn OFF onboard LED

        # Delay for the next cycle
        time.sleep(2)

    except Exception as e:
        # Handle sensor or other errors
        print("Error:", e)
        time.sleep(2)  # Delay to prevent rapid retries