An enclosure engineered to accomodate:
Arduino Mega 2560 with grove board on top
4 grove SPDT Relay to control 2 large actuators
1 grove potentiometer to set system sensivity
1 grove NC relay to control night lights
2 grove Screw terminal to connect to sun sensors wire
1 NRF24l01 with power socket for remote system monitor - control
1 voltage regulator

All material can be found @ http://www.seeedstudio.com/

For wiring and Arduino sketch contact me