Let's Make Robots!
This is the fully functional test chassis for my Arduino based sumo robot. It will be competing in March, 2011. For the prototype I am using a piece of plywood to … Read more

OPB704 Line Sensor

Intro:

I have received questions regarding the line sensor that I'm using on my mini sumo bot. Here I will post the schematic and pictures of the board. 

The OPB704:

Mini Sumo Bot Parts!

Intro

I decided to make a mini sumo robot a few weeks ago instead of doing an obstacle avoider. Turns out that once you think about it, mini sumo bots and obstacle avoiders are pretty much the same! The only changes I would need to make would be to the code. Great! Sumos can also double as line followers. So in short, they're pretty versatile. Here is an image of most of the parts that will go into this sucker. 

Picture

Where to solder a 9v battery snap to an arduino and add a diode.
Intro: I always used to connect my arduino to my macbook for power. However, I needed to disconnect it from the computer for use on a robot I'm working on. Because … Read more