Mailbox Notifier - Wireless Arduino & OpenHAB Integration
About this video
For a tutorial of how this was built, take a look at this project page.
http://hackaday.io/project/1720
Detailed video explanation:
https://www.youtube.com/watch?v=LEl0Xi4_F04
Note: It's illegal to tamper with a US federal mailbox. This is just an example of how to integrate wireless Arduino sensors with a home automation platform. You probably shouldn't do this at home.
Related article summary
This Instructable shows how to build low-cost Arduino-based wireless sensor nodes integrated with OpenHAB on a Raspberry Pi (or PC) to provide timely alerts (email/audio) and mobile status for home monitoring (dog barks, washer/dryer, door/window, temperature, gas/smoke, water leaks, garage door, GPS dog tracker, etc.). It uses RFM69HW transceivers for long range, MQTT (Mosquitto), and examples for battery and mains-powered designs, plus wiring, sketches, and OpenHAB configurations. The project emphasizes flexibility, reliability, and aesthetic presentation of sensor data.