Programming

The Littlest Arduino

Build a matchstick-sized Freeduino kit and add a 5V battery for microcontroller power in a tight space

Do you need a microcontroller for a project (maybe, ahem, our Mood Cube project?) but case space is at a premium? Well, fret no more. The Really Bare Bones Board (RBBB) Freeduino PCB is the perfect fit.

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Props For Programming

Take advantage of a sale price on the Propeller-based PropSTICK microcontroller kit

If you’ve been looking for an opportunity to experiment with Parallax’s Propeller microcontroller, then opportunity is knocking at your door. A current sale price has reduced the Parallax PropSTICK Kit to $50.

In Parallax parlance, a Propeller processor is called a cog. Each Propeller contains eight 32-bit cogs. Revolving around a central “hub,” these eight cogs can operate simultaneously or independently at speeds up to 20 MIPS per cog. This central hub concept contributes to the processor’s name: Propeller.

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Mod It: The Incredible Two-Headed AVR Programmer

Make this $1.50 Mod and create a universal AVR programmer

If your DIY tinkering tends to lean toward the programming side, there's a good chance you're familiar with AVR microcontrollers. There's also a good chance that you may have been confused when, right out of nowhere, Atmel (the company who designed the AVR family) changed the AVR in-system programming (ISP) interface from 10 pins to 6 pins. Even worse, Atmel’s terrific USB ISP programmer, the AVRISP mkII uses only the modern 6-pin interface. No legacy support for your older AVR-related hardware here, folks. So what’s a poor budding AVR programmer to do?

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