The Arduino Oplà kit is a simple way to start building Internet of Things gadgets for fun and, for some, profit. The $114 starter kit includes an Arduino MKR WiFi 1010 board—basically a tiny, ...

Theremin is an electronic musical instrument that can be played without physical contact. When playing a Theremin, the performer controls the volume and pitch with his/her hand position relative to ...

Arduino 101 is getting an LED to flash. From there you have a world of options for control, from MOSFETs to relays, solenoids and motors, all kinds of outputs. Here, we’re going to take a quick look ...

A light meter is a very useful device that finds applications in hospitals, schools, factories, parking lots, passageways, and many more to measure and maintain adequate lighting levels. It is also ...

Simple tools used well can produce fantastic results. The hardware which [Gilad] uses in this project is the definition of common. We’d bet you have most if not all of them on hand right now. But the ...

The Raspberry Pi Pico is the new kid on the microcontroller block. How does it compare to the long-established Arduino Nano?

If you’ve always wanted to try to build an Arduino project, this may be a great way to start. Matt Williamson built a tiny, Arduino-based motion sensor that will SMS you when something moves by your ...

There are plenty of software applications and services available to monitor servers, alerting you if you have a problem. But none of them come close to the awesomeness of this traffic light server ...

We've looked at various tricks to make time-lapse photography, but an intervalometer that triggers your camera's remote shutter is the real deal—only you don't have to go broke to pay for it.