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 ...

A keypad is one of the most commonly used input devices in microprocessor applications. In a standard keypad wired as an X-Y switch matrix, normally-open switches connect a row to a column when ...

I have started this joystick controller experiment inspired by the need of a simple DIY joystick which could deliver greater flexibility in the possible designs. Hardware component basis is very ...

Qualcomm has just signed an agreement to acquire Arduino, and the goal of the purchase is to "combine Qualcomm’s leading-edge ...

Magic Morse is a mathematical algorithm that [Ray Burnette] wrote a few years ago to make it easy to send and receive Morse code. When he first wrote it, he designed it for a PIC, but since then he ...

We've all missed the buzzer and forgotten a load of laundry once or twice. While setting an alarm is easy enough, but this Arduino-powered alert system will just send you a text when it's time to grab ...