Tutorial: Stepper Motor + Easy Driver + Arduino

The Arduino board can be used for many applications, including driving DC motors, servos and Stepper Motors. A Stepper Motor is a kind of electric motor that can be used when we need perfect angular position.

On this tutorial, we will show how use an Arduino board to control a Stepper Motor. To control this motor, we need an H bridge or a control board, like the Easy Driver.

Put everyting together like the picture:


Now connect the Power Supply 1 to a 7V to 30V, 1A power supply.

Open the Arduino IDE and paste the code:

int dir = LOW;
int stepp = LOW;
long previousMillis = 0;
long currentMillis = millis();
long steptime = 500;
int x = 0;
char c = 0;

void setup()

void loop()
      dir = HIGH;
      dir = LOW;
  if(currentMillis - previousMillis > steptime)
    previousMillis = currentMillis;
      stepp = HIGH;
      stepp = LOW;

Upload the code and open the Serial Monitor.

In the Serial Monitor, type 'a' and press Enter. The motor will rotate to one side. Then type 'z' and the motor will rotate backwards.


Views: 12725

Comment by CMH on April 15, 2012 at 11:05am

Great tutorial.  Simple and to the point.  One suggestion:  for beginners, you may want to include some comments in the code so that they can better understand the purpose of each part of the code.  Thanks for posting.

Comment by jay ar belen on June 5, 2012 at 10:20pm

i want to make invention using arduino,, but the problem is,, there is no arduino here in my country,, can any tell me where i can buy that item...

Comment by Elac on June 6, 2012 at 4:35am

E-bay has many Arduino clones, Amazon has Original Arduino Uno R3 Uno R3 for $21.95 (as of 6/6/12)

Or you can make your own Hackduino

Comment by Gustavo Rodriguez on August 6, 2012 at 3:16pm

Zen Toolworks CNC Carving Machine DIY Kit 7x7

Pienso controlar esta cnc con

Product Details


EasyDriver Stepper Motor Driver

Como conecto todo esto para que funcione.soy nuevo en esto, pero quiero aprender mas sobre cnc. por favor.

mi mail.    garslive@gmail.com          Gracias por la ayuda



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