from machine import Pin, ADC
import time

# Setup for analog sensor (potentimeter 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) # Connect LED to pin 2

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 to prevent rapid reads
  time.sleep(0.1)