A new series that explores 21 different microcontrollers — all less than $1 — to help familiarize you with all the major ecosystems out there.

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Listeners are treated to a full light show as each key illuminates different colours.

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What do you find when you remove the plastic packages protecting ICs?

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When writing a recent piece about Reverse Polish Notation, or RPN, as a hook for my writing I retrieved my Sinclair Scientific calculator from storage. This was an important model in the genesis of…

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This is a project I have wanted to do for a while, and Halloween is the perfect excuse to do it. I’m using a Raspberry Pi to make a Jack in the Box autonomous

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When we see what [Jason Allemann] does with LEGO, we wonder why more one-offs aren’t made this way. This time he’s made a Halloween mechanical marvel that will surely scare more kids th…

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Rollerblading is fun, but who needs all that pesky exercise? Wouldn’t strapping on the blades be so much more tempting if you had an electric pusher motor to propel you along your way? We hav…

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For the last few months, I had been using Sparkfun’s Phant server as a data logger for a small science project. Unfortunately, they’ve had some serious technical issues and have discontinued the se…

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This article aims to explain the logarithmic laws of companding and the methods of implementation along with the effects these methods bring into the PCM-based telephone systems.

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