from machine import Pin, ADC
import time

# Setup for analog sensor (potentiometer connected to GPIO 34)
analog_pin = ADC(Pin(34))   # Set pin 34 as ADC input
analog_pin.atten(ADC.ATTN_11DB)  # 11dB attenuation gives full 0-3.3V range
led = Pin(2, Pin.OUT)


while True:
    # Reading the analog value from potentiometer (0-4095)
    analog_value = analog_pin.read()
    
    # Convert the analog value to a voltage (0-3.3V)
    voltage = analog_value * (3.3 / 4095.0)
    print("Analog Value:", analog_value, " Voltage:", voltage, "V")

    if analog_value > 1300:
        led.on()
        print("LED ON")
    else:
        led.off()
        print("LED OFF")
    
    # Small delay between readings
    time.sleep(2)