| Even though using the sun to recharge one or more batteries is nothing new, a simple circuit that can be put together quickly on a rainy aft...
| Even though using the sun to recharge one or more batteries is nothing new, a simple circuit that can be put together quickly on a rainy aft...
| Invented about one hundred years ago the Theremin remains a popular electronic musical instrument. Commercially available high-quality desig...
| The Joule Thief is a simple circuit that lets you use almost all the energy stored in a single-cell battery. Because it is so simple a lot o...
| With a Raspberry Pi, a touch screen and “some” extra effort like developing a high-voltage power supply, writing a graphical interface, and...
| The Internet has loads of information on the past, from prehistoric to recent, yet I do not know of a system or tool capable of compiling al...
| “James, one Martini please -- shaken, not stirred.” This project allows you to ask your personal assistant to prepare your favourite cocktai...
| The winners of the Elektor ESP32 Design Contest 2018 are known! After many hours of wading through project descriptions, watching videos and...
| Besides small SUVs, crossovers are also filters used in audio to divide the audio signal into two or more frequency bands. A typical example...
| Did you know that many projects published at Elektor Labs include the word “simple” in their title? The one we highlight this week is one of...
| The current surge demanded at power-on by a circuit presenting a large capacitive load to the power supply can destroy the power supply or t...