This project uses Arduino, Raspberry and Attiny, it allows you to control and monitor your home (AC outlet, shutters, heater, light, opening detector, temperature ...).
The raspberry is the web server allowing control all arduino These can be controlled from any web browser around the world. You can use your cell phone, tablet, or computer to turn on or off the outputs.
Arduino Network is a Mesh Network.
Many parts I used were salvaged from old electronics, It is possible to find them at a low price on https://www.aliexpress.com