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This tutorial will guide you through the process of building a tachometer around an Arduino. Tachometers are used to measure rotation rate in Revolutions Per Minute ...

What is a rotary encoder? A rotary encoder (RT) is a device that you can rotate infinitely. On most rotary encoders, when you rotate them you will feel a bump (known as steps), and most RTs have about ...

This is a simple 0 to 9 counter circuit constructed using Arduino! Here, a common cathode 7-segment LED display is connected to Arduino for displaying the digits. The code (Arduino sketch) allows push ...

Before I start talking about this really cool thing called Arduino (Italian for "good friend"), let me say a few things about the fascinating subject of physical computing. Physical computing has been ...

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We’ve seen Arduino-powered Twitter machines, and even some that can send text messages, but how about one that’s a video phone? That’s what the guys over at Cooking Hacks put together with their very ...

The Arduino line of open source electronic prototyping platforms is getting some major upgrades. Earlier today, the first Intel-powered Arduino was announced, and it will be available by the end of ...