import time
from machine import Pin, ADC, PWM

led = PWM(Pin(1))
adc = ADC(Pin(26))
buzzer = PWM(Pin(5))

led.freq(1000)
buzzer.freq(1000)

while True:
    time.sleep(0.1)
    duty = adc.read_u16()
    led.duty_u16(duty)
    buzzer.duty_u16(duty)