Ozirock's Projects

"A person who never made a mistake never tried anything new" - Albert Einstein

Project Updates

Successful test of new motor controller!

Posted by ozirock on October 30, 2010 at 5:40 AM Comments comments (0)

We've had some success with a new design for the motor controller which is much simpler than the original. This design only uses an 8 channel ALLEGRO MICROSYSTEMS driver source, a few BD135 NPN Transistors and a few 125 ohm resistors. 

To control each motor takes 2 channels of the driver source, two resistors and two transistors which means the final design will be a very simple build.

Unlike the original design, which had the PIC microcontroller built into the board, this design will simply be a controller board with eight inputs and outputs for four motors. The PIC will then be created on it's own board which should make future robots easier to build by just rearranging these boards.

Diagrams and pictures should be following soon,

All the best,


Ozirocks Projects

Controlling servos with a 555 timer

Posted by ozirock on October 25, 2010 at 8:45 AM Comments comments (0)

I've found a bit of information on using a 555 timer to control a servo, could be very useful if your planning on making any humanoid style robots.

Here's the link: http://www.horrorseek.com/home/halloween/wolfstone/Motors/svoint_RCServos.html




Ozirocks Projects

Autonomous Robots Brain

Posted by ozirock on January 28, 2010 at 6:00 AM Comments comments (0)

I'm currently working on creating a program to use a PIC as the brain for my autonomous robot. This PIC will have four modes which can be selected using a push button. The modes are as follows.

  1. Stand By
  2. Line Follower
  3. Obstacle Avoidance
  4. Parrarllel Parker

Hopefully I'll get this completed over the next few weeks and I'll post all the detail on the site so you can all do the same. You can get an idea of how an Autonomous Robot works by watching the videos at http://ozirock.webs.com/autonomousrobotics.htm