Posted in Security Hacks Tagged alarm, arduino, arduino mega, gsm, i2c, rfid, security ← Homemade Portable Gold Mining Trommel Soundwave Tunes Up Your Portable Workbench → ...

[over9k] used his Arduino to set up a laser trip wire. The laser is mounted along side the Arduino, reflects off of a mirror, and shines on a photoresistor that interfaces via a voltage divider. Th… ...

How to create a simple laser trip wire alarm, taken from theArduino Project Handbook: 25 Practical Projects to Get You Started.

Real Time Home Security System using GSM Technology-An Anti-theft System! This project deals with the design & development of a theft control system for home, which is being used to prevent/control ...

This system is very versatile and it has an alarm that can easily wake up the entire neighborhood, because it has a powerful siren of 100+ dB. Other Tips and Tricks To Increase Your Home’s Security ...

Jon Bumstead has created an awesome Arduino powered 13 note midi harp after receiving funding from the optics group Spectra at Washington University in Saint Louis.