from machine import Pin, ADC
import time

# Set up ADC
adc = ADC(Pin(34))  # GPIO34
adc.atten(ADC.ATTN_0DB)  # Full-scale voltage is 3.3V
adc.width(ADC.WIDTH_12BIT)  # 12-bit resolution

# Set up LED
red_led = Pin(2, Pin.OUT)
green_led = Pin(4, Pin.OUT)
blue_led = Pin(5, Pin.OUT)

# Define the threshold values for turning the LED on or off
red_value = 400
green_value = 1500
blue_value = 3000

while True:
    # Read ADC value
    adc_value = adc.read()
    print("ADC Value:", adc_value)
    
    # Control LED based on ADC value
    if red_value  <= adc_value <= green_value:
        print("Red LED ON")
        red_led.on()
        green_led.off()
        blue_led.off()
    elif green_value <= adc_value <= blue_value:
        print("Green LED ON")
        green_led.on()
        red_led.off()
        blue_led.off()
    else:
        print("Blue LED ON")
        blue_led.on()
        green_led.off()
        red_led.off()
    
    # Wait for a short period
    time.sleep(0.1)