Saw

Infrared String Bass

Infrared String Bass

In this project we’re going to take inspiration from Len Keeler’s original Elastic String Bass. We’ll pick it up (no pun intended) and run with it, adding multiple strings for different tonal qualities, etch our own printed circuit board (PCB), and of course, demonstrate the instrument. First we will breadboard the basic version of this […]

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iStand

iStand

The iPad, wonderful as it is, often needs a stand to hold it. Sure, there are tons available, but they can be flimsy and/or expensive. Here’s one that’s cheap, sturdy, and easy to build. It’ll hold either the original iPad or the iPad 2 in many useful positions. It’s made from ¼”-thick clear or smoked […]

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Tiny Wanderer “Moth”

Tiny Wanderer “Moth”

Adding CdS photocell sensors to your Tiny Wanderer robot allows it to see a spectrum of light that is similar to what humans perceive. With two sensors, the robot can monitor two directions for light level differences and be programmed to either turn to or to avoid high light levels. In this guide I will […]

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