Project showcase
DC Motors Controller Board

DC Motors Controller Board © GPL3+

AVR ATmega32A MCU based, DC Motors speed/position/timing controller/testing board for Stepper, Servo, Gear motors and programmable too.

  • 3,426 views
  • 0 comments
  • 9 respects

Components and supplies

Medium atmega32u4 tqfp 44
Microchip Technology ATmega32U4
×1
11113 01
SparkFun Arduino Pro Mini 328 - 5V/16MHz
×1
Texas instruments l293dne image
Texas Instruments Dual H-Bridge motor drivers L293D
×1
09590 01
LED (generic)
×1

Necessary tools and machines

09507 01
Soldering iron (generic)
M3 4 5 set drill tap w g 1 43270 1521058825 llaxvkoksp
OpenBuilds Drill Taps

Apps and online services

Ide web
Arduino IDE

About this project

One Board to Rule Them All

It's a DC Motor Testing kit, also possible to convert in to some motor controlled project.

It was made long ago to demonstrate kids about DC motor control.It has pinouts for one 4 pole stepper, one servo, 2 DC Gear Motor control.

Motor Controller

Hardware

  • Three user switch
  • Three Input Status LEDs (RYG)
  • 4 Red Output Status LEDs
  • 10k Pot for Position Control
  • 4 Outputs driven by L293D for Stepper Motor Drive
  • Small Servo Control/Power Terminals

Firmware

Arduino programmable according to following pinout.

Atmega32 AVR Arduino
Atmega32 AVR Arduino

Also programmable in C/Assembly in Atmel Studio. Any GPIO can do the functions!

What Makes The Difference?

There are 32 GPIOs vs Uno has 23 GPIO:

  • 8 ADCs vs Uno has 6
  • 3 Interruprs vs Uno has 2
  • Separate I2C pins
  • Separate Reset pin

This is not a project, just a project snippet!

Code

Mix of AVR and Arduino Style Arduino
Programmed in Arduino IDE
#include <avr/io.h>
#include <util/delay.h>

// Step Sequence Generation for 4 Pole Stepper Motor !

int z =250;
int main()
{
DDRB |= 0x07;
PORTB &= ~(0x07);
while(1)
{
  for (int i=0;i<16;i++)
  {
    for(int j=0;j<3;j++)
    {
PORTB |= (1<<j);
_delay_ms(z);
PORTB &= ~(0x07);
    }
}
  
_delay_ms(500);
for (int i=0;i<12;i++)
  {
  for(int j=2;j>=0;j--)
    {
PORTB |= (1<<j);
_delay_ms(z);
PORTB &= ~(0x07);
    }

  }
}
 return (0); 
}

Schematics

Sch on Pic
Download
Basic Sch, any MCU GPIO pin can drive these
Img 20170928 052836 ehxjonowj9

Comments

Author

Senku 2okmv3utqk
Shahariar
  • 18 projects
  • 158 followers

Published on

September 28, 2017
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Members who respect this project

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