Uln2003 Stepper Motor Driver Circuit Arduino

To energise the four coils of the stepper motor we are using the digital pins 8 9 10 and 11.

Uln2003 stepper motor driver circuit arduino.

Wiring connecting 28byj 48 stepper motor and uln2003 driver board to arduino uno. Usually the 28byj 48 stepper motor comes with a 5 pin connector that will fit to the uln2003 driver board. The 28ybj 48 stepper motor operates on 5vdc and has built in reduction gears. The connections are also given in the table below.

Wiring 28byj 48 stepper motor and uln2003 driver to arduino. The 28byj 48 stepper motor can draw up to 240 ma considerably more than what an arduino can deliver through any of its ports. We have used the 28byj 48 stepper motor and the uln2003 driver module. Unlike unipolar steppers bipolar steppers have no common center connection.

Connect the uln2003 driver ln1 ln2 ln3 ln4 to the arduino digital pins 8 9 10 and 11 respectively. Start by connecting the power supply up to the uln2003 driver. Dc motors or stepper motors with microcontrollers like arduino pic microcontroller or 8051 microcontroller etc. The bipolar stepper motor usually has four wires coming out of it.

The circuit diagram for the arduino stepper motor control project is shown above. So you will need some sort of a driver to safely control the stepper motor. Uln2003 stepper motor driver. It has good torque for its size but has relatively slow motion.

5 6 or 8 wire stepper motor i e. They have two independent sets of coils instead. Uln2003a can also be used to drive different motors e g. Some of the other applications of uln2003 include logic buffers lamp drivers line drivers led display motor driver circuits etc.

28byj 48 28byj 48 unipolar stepper motor. Connecting the 28byj 48 stepper motor to the uln2003 driver board. There are numerous ways to create a driver starting with a simple transistor for each of the coils. Stepper motor 5v 4 phase 5 wire uln2003 driver board for arduino from geeetech wiki contents 1 stepper introduction 2 features 3 stepper motor 28byj 48 parameters 4 interfacing circuits 5 example code 5 1 code 5 2 stepper library 6 document 7 reference materials 8 how to buy stepper introduction.

Arduino stepper motor control circuit diagram and explanation. Now that we know everything about the motor we can begin hooking it up to our arduino. Click here to buy 5v 4 phase 5 wire stepper motor and stepper motor driver board uln2003 for arduino. Arduino uln2003a based stepper driver board.