from servo import Servo
from time import sleep
from machine import ADC,Pin
motor=Servo(pin=18)
pot=ADC(Pin(4))

while(1):
    motor.move(0)
    sleep(1)
    potvalue=pot.read()
    print(potvalue)
    if potvalue<1000:
        motor.move(45)
        sleep(1)
    elif potvalue<2000:
        motor.move(90)
        sleep(1)
    elif potvalue<3000:
        motor.move(120)
        sleep(1)
    elif potvalue<4000:
        motor.move(180)
        sleep(1)