Home automation control with only:
Arduino Ethernet Shield.
Real Time Clock Module DS1307 RTC or DS3231, DS3231 recommend is more accurate.
Allows control of:
Zones of lighting control with power control.
Zones on off control.
Zones blinds or awnings Control
Control HVAC setpoint temperatures.
Control of Heating setpoint temperatures.
Zone automatic irrigation control.
Programming scenes or environments.
Infrared for home automation control.
Manage TV, DVD, any device with infrared remote control
Historical cvs format
Ability to control from outside the local network without fixed IP.
You can adapt to each specific application modifying the Arduino program and setting this app..
You can find help to configure the system in the official website:
Allows programming time on scenes