Send payload to serial output on /dev/ttyAMA0 at 9600 baud for Ciseco Pi-LITE lots of LEDs board.
Flow comes with "Hello World" injector, which can be replaced with any other payload source.
Requires serialport package to be installed before starting Node-RED
npm install serialport
Further background and details at http://blog.thestateofme.com/2013/12/30/pi-lite-with-node-red/
win!