/*
 * This is an Arduino sketch for a tutorial video 
 * explaining why a resistor is needed when using a push button
 * with an Arduino to connect the pin to Ground (GND)
 * 
 * Written by Ahmad Shamshiri on July 18, 2018 at 17:36 in Ajax, Ontario, Canada
 * For Robojax.com
 * Watch the instructional video for this code: https://youtu.be/tCJ2Q-CT6Q8
 * This code is "AS IS" without warranty or liability. Free to be used as long as you keep this note intact.
 */
int motorPin =9;// pin to connect to motor module
int mSpeed = 0;// variable to hold speed value
int mStep = 15;// increment/decrement step for PWM motor speed
  
void setup() {
  // Robojax.com demo
  pinMode(motorPin,OUTPUT);// set mtorPin as output
  Serial.begin(9600);// initialize serial motor
  Serial.println("Robojax Demo");
  

}

void loop() {
  // Robojax.com tutorial

analogWrite(motorPin, mSpeed);// send mSpeed value to motor
    Serial.print("Speed: ");
    Serial.println(mSpeed);// print mSpeed value on Serial monitor (click on Tools->Serial Monitor)
  mSpeed = mSpeed + mStep;
  // See the video for details.
  if (mSpeed <= 0 || mSpeed >= 255) {
    mStep = -mStep;
  }  
  
delay(200);

}

/*
 * This is an Arduino Sketch for a tutorial video 
 * explaining the 15A MOSFET AOD4184A used as a switch 
 * This sketch is used to test the MOSFET with a load at 5A, 10A, 15A, 25A
 * 
 * Written by Ahmad Shamshiri on July 21, 2018 in Ajax, Ontario, Canada
 * For Robojax.com
 * Watch the instruction video for this code: https://youtu.be/tCJ2Q-CT6Q8 
 * This code is "AS IS" without warranty or liability. Free to be used as long as you keep this note intact.
 */
int loadPin =9;// load pin

  
void setup() {
  // Robojax.com demo
  pinMode(loadPin,OUTPUT);
  Serial.begin(9600);
  Serial.println("Robojax Demo"); 

}

void loop() {
  // Robojax.com tutorial

  digitalWrite(loadPin, HIGH);
 while(1);// wait forever


}