Here is a simple general-purpose security alarm circuit built on the Arduino platform. It brings up an obtrusive alert signal when an intrusion/theft attempt is observed by its front-end sensor. In ...

Electronic, Arduino enthusiasts and makers looking for a project to keep them busy this weekend, may be interested in a cool custom switch created by Dave Darko. That requires users to intermittently ...

This file type includes high resolution graphics and schematics. Conventional magnetic reed relays provide excellent low-power characteristics combined with a low level of electrostatic discharge (ESD ...