Hi, all. I used an Arduino Pro Mini 3.3V and a WT588d to create a custom sound board and LED controller for my lightsaber. I love this little board. Special thanks to SugarBombs for sharing his working code for the WT588d module! http://forum.arduino.cc/index.php?topic=227435.0
That really saved me some trouble.
Here are video and pics.
Core IC components: Arduino Pro Mini 3.3V, WT588d sound module, some small MOSFETs, and a 5V regulator.
Components mounted on some perf-board and inside the hilt.
And here is a video of it working:http://youtu.be/3PacAFmnF_8