this will show you how to make your MSP430 IC work independently
so that you can make your project portable just with two AA battery.
you need two AA battery offer 3V to your portable chip
upload your program first.
remove the chip from launchpad
connect your IC like this，and it works as you connect the battery
hope you enjoy~~~
and you must want to know make an EASY MSP430 LaunchPad ISP with only 4 wires!!!