Instructables user CIRnetwork writes: In resource-limited areas worldwide, individuals with amputations may not be able to gain access to prosthetics devices due to a lack of the materials needed to fabricate them. This simple technique utilizes a 2-liter soda bottle to create below-the-elbow prosthesis suitable for a number of light duty activities.
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From the MAKE Flickr pool Aki modded an old joystick for wireless control using a pair of SparkFun RF link modules for connectivity. Custom boards with ATtiny2313 chips do the rest in code – The transmitter polls all the buttons and directions all the time and there is a sleep timeout running all the time […]
Continue ReadingFrom the MAKE Flickr pool MightyOhm’s WiFi radio project has is now ‘tunable’. The WL-520gU based digital radio uses analog control in the form of a basic linear potentiometer – It turns out that this is mostly a software exercise, made simple by taking advantage of the analog to digital converter function of the Atmel […]
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Among the wealth of helpful info over at Tom Igoe’s site, I ran across this handy strategy for graphing sensor data in OS X – I’ve been looking for simple ways to graph the data from a sensor attached to a microcontroller lately, because it’s such a necessary activity if you want to look at […]
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