... /EmbededVideo SizeD1/Half-D1OSLinuxHardwareARM9+/DSPMEM64MFlash16MMain Frequency220MHZ Introduce home automation SystemIncluding of the main subsystems are: ... 4,home wiring systems,5,home network systems ( TCP / IP door phone ),6,background music systems,7,home theater ... and multimedia systems,8,home environmental control systems,Explanation:What’s ...