Bipolar stepper motor drive with PIC16F84A and CCS C

CD-ROM bipolar stepper motor drive with PIC16F84A and CCS PIC C compiler

This topic shows circuit schematic and C code for interfacing PIC16F84A microcontroller with CD-ROM bipolar stepper motor.

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Bipolar stepper motor control with PIC16F877A microcontroller

The following circuit schematic shows the connection between the microcontroller PIC16F84A and the stepper motor where a dual H-bridge circuit which is L293D chip is used between them.

PIC16F84A cd-rom stepper motor control circuit

The two pushbuttons are used to choose motor rotation direction.
The PIC16F84A needs +5V between its VDD and VSS pins.

Interfacing PIC16F84A microcontroller with stepper motor CCS PIC C code:
The motor speed is fixed by the code but it can be changed by varying the delay between the four steps.

Interfacing PIC16F84A microcontroller with stepper motor video:
The following video shows a hardware circuit of this project.

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