from machine import Pin, PWM
import time
import math
loop_delay = -1
angle = 0
time_val = 0
duty_val = 0
pwm_val = 0
servo = PWM(22, freq = 50)
while True:
    time_val = (angle * ((2.5-0.5)/(180-0))) + 0.5
    duty = time_val / 20
    pwm_val = (duty * math.pow(2, 16))- 1
    servo.duty_u16(int(pwm_val))
    print("Duty Cycle:", pwm_val)
    print("Angle:",angle)
    if loop_delay == True:
        sleep_time = 1
    else:
        sleep_time = 0.01
    time.sleep(sleep_time)
    angle = angle + 1
    if angle > 180:
        angle = 0
        loop_delay = True
    else:
        loop_delay = False