In this quick Arduino tutorial I will explain how you can control a relay using the Arduino Board, one 1K and one 10K resistors, 1 BC547 transistor, one 6V or 12V relay, one 1N4007 diode and a 12V fan ...

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 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 ...

If you're looking to make yourself somewhat more productive on this lazy weekend, and you've got an Arduino or two collecting dust, we've got just the thing to add line after line to your dwindling to ...

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 ...

Posts from this topic will be added to your daily email digest and your homepage feed. The $87 Plug and Make Kit includes an Arduino microcomputer, electronic components, and tutorials for building ...

More for You CBS News says it will no longer edit interviews on Sunday show ‘Face the Nation’, days after Kristi Noem complaint Woman recalls '90s childhood vacations—has sudden realization: "a cover" ...

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 ...