Let's Make Robots!
For communicating with your robots or your intelligent household devices
(Edited the prices quoted) It appears that the pages I referenced earlier have lowered their overall prices.  As of 19 Nov 2013, here are current prices on these … Read more
(How to make your own distance measurements similar to Sharps.)
Note: Apologies to OddBot. It seems I posted something he has already explored. My mistake for not reading his page(s) more carefully. I thought they were just … Read more
One of my nephews said he had the idea of doing a painting with moving eyes that  would follow a person walking past.  He planned to put it at the bottom of a … Read more
This is the first page of an informative set of pages showing different ways to communicate with your robot.
The picture above is a 2 Watt Blue Laser I built several months ago. It's way too powerful for robot communications around the house (it would start fires), but it … Read more
It may not be obvious why I chose that picture, but radio is all around us and we just don't notice it that much anymore. If you look at those buildings, every one … Read more
  **Click the picture to show it bigger, and then click that picture again to make it big enough to read the fine print** ADDED (06MAY2012) This is the motor drive … Read more
How to relate the IR-sensor output to measurements you can understand.
You have probably noticed that the "distance" returned by a "Sharp" IR sensor is not in specific units of measure. As the IR sensor approaches an object, (or vice … Read more
Description of various batteries on the market and tips for their use.
First of all I wish to credit the illustration. It is not my drawing but was 'borrowed' from … Read more
(Yes it's an old picture, but) as you see, we have our tools ready to work on robots.   This is just a miscellany of sensors your robot can use from time to … Read more