tinkercad pololu motor controller

// This program translates a value that is read from a potentiometer into a PWM value

// to drive a motor using the Pololu Simple Motor Controller.

#include <Servo.h> 

Servo motor;

// constants won't change.

#define PIN_POTENTIOMETER 2

#define PIN_PWM 9

void setup() {

  motor.attach(PIN_PWM);

}

void loop() {

  int potValue = analogRead(PIN_POTENTIOMETER);

  int speed = map(potValue, 0, 1023, 0, 180);

 

 

   if( speed==90) motor.write(LOW);

   

  delay(30);

  motor.write(speed);

  

  delay(300);

}

reference:

https://www.pololu.com/docs/0J44/all