August 11, 2014 Add as a preferred source on Google Add as a preferred source on Google Deba168's system uses two Arduinos, an RF transmitter, a motion sensor, and a few other parts to piece it all ...

Here is the circuit of an Arduino-based Panic Alarm! The wiring is very simple so that even a novice can construct this interesting circuit without any difficulty. Arduino is a family of ...

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 ...