from machine import Pin, PWM
from time import sleep

servo_pin = PWM(Pin(27), freq=50)  

def servo_motion(angle):
    pulse_width = (angle / 180 * 2) + 0.5
    duty_cycle = int((pulse_width / 20) * 1023)
    servo_pin.duty(duty_cycle)
    sleep(0.01)
angle = 0
while True:
    try:
        user_input = input("Enter angle or position: ")
        if user_input == "angle":
            angle = int(input("enter angle"))
            if 0 <= angle <= 180:
                servo_motion(angle)
            else:
                print("Invalid angle. Please enter an angle between 0 and 180.")
        if user_input == "position":
            print(angle)
    except ValueError:
        print("Invalid input. Please enter a valid integer angle.")