from machine import Pin, ADC
from time import sleep

ledR = Pin(4, Pin.OUT)
ledY = Pin(0, Pin.OUT)
ledG = Pin(2, Pin.OUT)

adc = ADC(34)

last_val = 0

while True:
    val = adc.read()
    if val != last_val:
        print(val)
        sleep(1)
        if val < 200:
            print("Low sound Detected")
            ledR.off()
            ledY.off()
            ledG.off()
        elif val >= 200 and val < 1000:
            print("Moderate Sound detected")
            ledR.off()
            ledY.off()
            ledG.on()
        elif val >= 1000 and val < 3000:
            print("High Sound detected")
            ledR.off()
            ledY.on()
            ledG.off()
            
        else:
            print("Extremely High sound detected")
            ledR.on()
            ledY.off()
            ledG.off()