Cat Scratch Feeder

Build a snack-dispensing scratching post that will make Kitty forget the couch and curtains. Read more »
Build a snack-dispensing scratching post that will make Kitty forget the couch and curtains. Read more »
The Doodle Bot is a simple robot kit for beginners that can draw pictures and write text messages with a pen. Sample code allows the robot to write messages created by the user. The size of the writing can be changed. The Robot is programmed using the Arduino IDE and... Read more »
Making a yarn dispenser from your favorite VHS cassette takes only 5 minutes with this guide from Skeined Productions. Read more »
Learn how to build inexpensive powered speakers that amplify the output of your headphone music player. It may be small, but this speaker can still rock! Read more »
After seeing one of those pens that shocks you, I thought about putting something like that into a mouse as a joke. But mixing computers and high voltage is not such a good idea. The idea of using a vibrating motor from an old pager came to mind. So with... Read more »
One of the most powerful additions to an X10 system is macro capability, where a computer continuously monitors the powerline for trigger signals, and responds by executing a timed sequence of additional X10 commands. Read more »