from myservo import myServo
from machine import ADC,Pin
import time

servo=myServo(21)

adc=ADC(Pin(14))
adc.atten(ADC.ATTN_11DB)
adc.width(ADC.WIDTH_12BIT)

try:
    while True:
        adcValue=adc.read()
        angle=(adcValue*180)/4096
        servo.myServoWriteAngle(int(angle))
        time.sleep_ms(50)
except:
    adc.deinit()
    servo.deinit()