from machine import Pin, PWM
from utime import sleep_ms

# Connect servo to pin 21 using PWM
servo1 = PWM(Pin(21), freq=50)
BTN = Pin(17, Pin.IN, Pin.PULL_UP)

while True:
    pressed = (BTN.value() == 0)  

    if pressed:
        # Move servo to the left
        servo1.duty(40)   # Small number = left
    else:
        # Move servo to the right
        servo1.duty(110)   # Big number = right
    sleep_ms(20)