/*  Arduino DC Motor Control - PWM | H-Bridge | L298N  -  Example 01
    by Dejan Nedelkovski, www.HowToMechatronics.com
*/

#define in1 0
#define in2 1

void setup() {
  pinMode(in1, OUTPUT);
  pinMode(in2, OUTPUT);
  pinMode(10, OUTPUT);
  digitalWrite(10, HIGH);
  motStop();
}
void loop() {
  
  int pot = analogRead(A7);
  if (pot<500) motFwd();
  else if (pot>524) motRev();
  else motStop();
  delay(20);
}

void motStop() {
    digitalWrite(in1, HIGH);
    digitalWrite(in2, HIGH);
}
void motFwd() {
    digitalWrite(in1, LOW);
    digitalWrite(in2, HIGH);
}
void motRev() {
    digitalWrite(in1, HIGH);
    digitalWrite(in2, LOW);
}