from machine import PWM  , Pin  , ADC
import time
adc_pin =Pin(26 , Pin.IN)
pot = ADC(adc_pin)
servo_pin = Pin(14 , Pin.OUT , value = 0)
servo1 = PWM(servo_pin , 50 , duty = 0)

def map(x, in_min, in_max, out_min, out_max):
    return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min

def rotate(angle , servo):
    duty = int(map(angle ,0 , 180 , 1500 , 8000))
    servo.duty_u16(duty)

while 1 :
    pot_signal = pot.read_u16()
    angle = int(map(pot_signal ,0 , 65535 , 0, 180))
    rotate(angle , servo1)
    time.sleep_ms(20)
























'''
ADC analog to digital Converter 
1.7V                            40000

DAC digital to analog Converter 

40000                           1.7 V 

0                               0V
65535                           3.3V
'''