motor_control_demo_yt.ino

// Arduino code by Daniel Simu
// for https://www.youtube.com/watch?v=D7hkFh4uhMo&t=1250s

// pins
#define POTENTIOMETER A0  // to middle pin of potentionmeter, the other two go to GND and VCC (5v)
#define PWM_R 3           // to BTS7960
#define PWM_L 5           // to BTS7960

void setup() {
}

void loop() {
  // range 0 - 512
  int pot = analogRead(POTENTIOMETER) / 2;

  // turn right
  if (pot > 256){
    analogWrite(PWM_R, pot - 256);
    analogWrite(PWM_L, 0);
  } 
  // turn left
  else if (pot < 256){
    analogWrite(PWM_R, 0);
    analogWrite(PWM_L, (pot - 255) * -1);
  }
  // don't turn if exactly in middle
  else {
    analogWrite(PWM_R, 0);
    analogWrite(PWM_L, 0);
  }
}