Interfacing Bi/Uni Polar Stepper Motor to a mbed Microcontroller Using L293D

Code for interfacing mbed board with stepper motor using L293D

Interfacing Bipolar stepper motor with L293D and mbed Micro controller(LPC 11U24)


Connect the pins 2,7,10,15 (IN1, IN2, IN3, IN4) of L293D to the ports 9,10,11,12 of the mbed board.

Connect the pins 4, 5, 12, 13 to ground.
Connect the enable pins 1,9 (EN1,EN2) to a 5V supply(or) port 39 of mbed board .

Connect the pin 16 to +5V. It is the power supply of the chip.

Connect the pins 3, 6, 11, 14 to the four pins of the bipolar motor.

Connect the pin 8 to +12V/+9V.It is power supply for motor.

Get the code for interfacing the stepper motor with the mbed board using the L293 

driver visiting the following link