from machine import Pin, PWM
from time import sleep

# Set up the servo and button pins
servo_pin = Pin(1)
button_pin = Pin(4, Pin.IN, Pin.PULL_UP)

# Initialize PWM for the servo
pwm = PWM(servo_pin)
pwm.freq(50)

# Initialize servo position (0 degrees)
pwm.duty_u16(1000)

# Track button state
button_pressed = False

while True:
    # Check if the button is pressed
    if not button_pin.value():
        # Toggle servo position
        if button_pressed:
            # Move to 0 degrees
            pwm.duty_u16(1500)
        else:
            # Move to 90 degrees
            pwm.duty_u16(8000)
        # Update button state
        button_pressed = not button_pressed
        # Debounce delay
        sleep(0.2)