Overcurrent relays with inverse definite minimum time (IDMT) characteristics are widely used in power systems to protect ...

This is a simple arduino project for a soil moisture sensor that will light up a LED at a certain moisture level. It uses Arduino Duemilanove microcontroller board. Two wires placed in the soil pot ...

With their cheap price tags, massive I/O provisions, and low power consumption, microcontrollers like the uber-popular ...

Arduino color sorter project demonstrate the operations of sorting machines that are commonly used by industries. This project features an Arduino board and a color sensor that able to organize ...

You would have probably read about the SONAR that’s used in ships. By taking the same concept into a small form factor we get a distance sensor. This sensor is available in multiple variants and I’ll ...

Over the last decade, the open-source movement has not only transformed the world of software, but also catalyzed a sweeping revolution in hardware tinkering. At the heart of this shift lies a ...

I'm a fan of Lego robotics. I've written over half a dozen books on the Lego Mindstorms NXT robotic system, and tinkering and prototyping with the NXT just never gets old. (And there's a NEW system ...