First GM10 robot!

My marketing team has been throwing (ouch!) erasers at me (ouch!)until I get this put online: Not sure if you should build or read this winter season? Combine the two! Get the "Junkbots" book and a HexPummer, Pendulum, or SolarSpeeder kit at a combined price that saves you money! (See below in "Featured Items")

Here's a great booklet to accompany any new Freeduino purchase - "Getting Started with Arduino", written by Massimo Banzi (the co-founder of the Arduino Project). This title is based on his free-download introduction PDF, but takes is much farther, guiding new electronics enthusiasts into how to use the Arduino / Freeduino in a project.  Also […]

Here's a little makeover of an inexpensive aftermarket heated car seat heating pad that stopped working. Designed to activate and warm up when sat upon, the electronics face a fair amount of abuse: since the seat is a soft frame, the wires inside constantly move and flex with the body. They are also subject to […]

This is a neat little one-chip circuit we originally tuned for use with our "SM1" Stepper motors. We've presently sold out of the motor, but this circuit has proved to be a good unidirectional (1-way) driver for small stepper motors.