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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Typically when we hear the term “System-on-Chip” bandied around, our mind jumps straight to modern ARM-based processors that drive smartphones and embedded devices around us. Coming a l…

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Ever wanted to build a touch table or other touch-input project, but got stuck figuring out the ‘touch’ part? [Jean Perardel] has your back with his multi-touch frame over on IO that ma…

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In this article, we discuss why PCB copper traces should be plated, and we’ll review various plating materials and plating methods.

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The DFT provides an efficient way to calculate the time-domain convolution of two signals.

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Learn about the industry-adopted IPC standards that govern every step related to the design, assembly, inspection, testing, and documentation of printed circuit boards (PCBs).

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