The sketch begins by including the AccelStepper library. Change direction once the motor reaches target position if (stepper1. set the maximum speed, acceleration factor, // initial speed and the target position for motor 1 The ULN2003 stepper motor driver board allows you to easily control the 28BYJ-48 stepper motor from a microcontroller, like the Arduino Uno. Creates two instances // Pins entered in sequence IN1-IN3-IN2-IN4 for proper step sequenceĪccelStepper stepper1(HALFSTEP, 8, 10, 9, 11) ĪccelStepper stepper2(FULLSTEP, 4, 6, 5, 7) To install the library, navigate to Sketch > Include Library > Manage Libraries… Wait for the Library Manager to download the libraries index and update the list of installed libraries. The Arduino cant supply enough current or voltage. This library is not included with the Arduino IDE, so you’ll need to install it first. The StepperOnline motor has a final 12,800 steps per revolution.
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