This project use msp430 to control the BBB (beaglebone black) power. When the system need to stand by, msp430 will shut down BBB and keep a very low power consumption. When the system need to work normally, msp430 will power on BBB which have the advantage of linux. It also provides a high accurate RTC chip, which make the system work according certain time schedule. It has been used into a linksys camera control system. Anyone who is interested in it, contact me by micro-studios.com