from machine import Pin,PWM, ADC
import time

potan = ADC(Pin(13))
led = Pin(23, Pin.OUT)
bouton = Pin(16,Pin.IN,Pin.PULL_UP)
sg90 = PWM(Pin(22, mode=Pin.OUT))
sg90.freq(50)

# 0.5ms/20ms = 0.025 = 2.5% duty cycle
# 2.4ms/20ms = 0.12 = 12% duty cycle

# 0.025*1024=25.6
# 0.12*1024=122.88

while True:
    if bouton.value()==0:
        sg90.duty(26)
        led.value(1)
        time.sleep(0.5)
        led.value(0)
        time.sleep(0.5)
        sg90.duty(123)
        led.value(1)
        time.sleep(0.5)
        led.value(0)
        sg90.duty(26)
        time.sleep(0.5)
    else  :
        led.value(0)