from machine import ADC, Pin
from utime import sleep
led = Pin(0, Pin.OUT)    # create output pin on GPIO0
buzzer = Pin(2, Pin.OUT)

adc = ADC(Pin(26))     # create ADC object on ADC pin

while 1:
    value=adc.read_u16()         # read value, 0-65535 across voltage range 0.0v - 3.3v
    voltage=value/51692*236
    print(value,voltage)
    if(voltage>100):
        led.on() 
        sleep(0.3)
        led.off()
        sleep(0.3)

        buzzer.on()
        sleep(0.3)
        buzzer.off()
        sleep(0.3)             


    else:
        led.off()
        buzzer.off()
    #sleep(0.5)