motor: SG90

from machine import Pin, PWM

import time

# 1. Setup PWM on GPIO 13 with 50Hz frequency (Standard for Servos)

servo = PWM(Pin(13), freq=50)

def set_angle(angle):

    # Map 0-180 degrees to 20-120 duty cycle

    # Formula: (angle / 180) * (120 - 20) + 20

    duty = int((angle / 180) * 100 + 20)

    servo.duty(duty)

print("Servo Motor Test: Rotating from 0 to 180 degrees...")

while True:

    # Move to 0 degrees

    print("Angle: 0")

    set_angle(0)

    time.sleep(1)

    # Move to 90 degrees

    print("Angle: 90")

    set_angle(90)

    time.sleep(1)

    # Move to 180 degrees

    print("Angle: 180")

    set_angle(180)

    time.sleep(1)