The DIY Electronic Siren circuit described here can create three different US-style siren sounds: DIY police, DIY ambulance and fire engine. The desired sound can be selected using switch S1. The ...

Discover how to build a simple wireless power transfer system at home using readily available components like enameled copper wire, an LED, a 2N2222A transistor, and a 9V battery. This step-by-step ...

Electroninks has this month returned to Kickstarter to launch their second-generation range of DIY electronic kits which combine electronics and paper thanks to the Circuit Scribe conductive ink pen.

Many readers will be familiar with Microchip’s ATtiny85, which has been a popular choice for DIY projects in the past for its low price and (for the time) small size. But those looking for a more ...

Have you ever found yourself staring at a tangle of wires, wishing there was an easier way to bring your electronics project to life? If you’ve dabbled in DIY electronics, you know that creating ...

The heart of this diy metal detector circuit is the CS209A IC. The metal detector is built with one 100µH coil that has 40 mm in diameter and is made of 50 turns/0.4 mm wire. CS209A has one oscillator ...