New Kit: The Zendulum!

The following instructions detail how to build a Solar Power Smart Head version 3. The Head will seek light and when it finds the brightest source it will go into a low current standby mode. This version also comes with an low power FLED circuit to indicate when the head is active.

We are happy to announce the arrival of the Battery Edition Marble Machine. Starting today it is available at our website for backorder, and will be fully available for purchase starting tomorrow May 16. You are probably familiar with its older cousin, the Solar Marble Machine that has a clever circuit that delivers short bursts […]

Here's a little something from Grant in the development lab - a very simple pair of circuits based on Mark Tilden's Bicore Shok architecture. This circuit makes for a very simple, effective Photovore robots, or even a photo-head. Take a look - schematics & parts listed included! We've also added a gallery entry for these […]

So there's one link today that makes my artistic soul happy - it is the laser-controlled Etch A Sketch. Although I never owned an Etch A Sketch (some smarty pants might say right here that in Russia we used rusty nails to draw on cardboard instead), but the idea to draw with a laser beam […]