The project describes the operation of a cheap keychain lasers that are being sold in low price. In theory, most common laser heads contains two semiconductors inside which includes a laser diode (LD) ...

SANTA CLARA, Calif.--(BUSINESS WIRE)--What’s New: Intel is expanding its Bug Bounty program with Project Circuit Breaker, bringing together a community of elite hackers to hunt bugs in firmware, ...

A simple and convenient way to interface 2 relays for switching application in your project. This relay driver boosts the input impedance with a regular BC547 NPN transistor (or equivalent). Very ...

Elektor introduced a clever seat belt reminder circuit built with simple logic to trigger a flashing warning light.