These are some great DIY projects that you can do for cheap.

Learn how to repurpose your spare ESP32 boards into cost-effective presence detection sensors using the Tommy Sense ...

Sold by German DIY store OBI, the OBI Energy Tracker is a €15 set of two devices, one of which you essentially stick on top ...

There are as almost as many kinds of coffee as there are of coffee drinkers, with each method for preparing the beverage appealing to a different kind of palate: moka pots, filter coffee, pour-over ...

As a $35 pc with very low power requirements, the Raspberry Pi is uniquely suited to serve many different purposes especially as an always-on low power server. When I first heard of the Pi, I was ...

Walking safely and confidently can be a challenging task for visually impaired individuals, but with the help of technology, we can make it easier for them. This DIY Blind Stick is an innovative yet ...

Elektor community member Christian Urbanescu shows off his Montréal-based electronics workspace and shares details about his journey from electronics enthusiast to educator. He talks about his work in ...

Like Ars Senior Technology Editor Lee Hutchinson, I have a garage. The door on that garage is opened and closed by a device made by a company that, as with Lee’s, offers you a way to open and close it ...

Learning electronics? Then, chances are you already know what an Arduino is, or at the very least, you've heard of it. After all, it's among the most popular electronics platforms available in the ...

With technology advancing at an ever-accelerating rate, the gadgets and innovations you come across daily can often feel like they've jumped straight out of a science fiction movie. For instance, you ...

I needed to come up with a communications device to transmit a handful of bytes, every hour, from a small off-grid solar system to my shop about 150 feet away. The first thought was Wi-Fi, but I ...