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Picture of Darth Vader costume mod
My wife got me a cheap  Darth Vader costume from Target to hand out candy on Halloween. It begged to be modded! 

This uses a BS2 and some LEDs to make a cheap costume rad. The neighborhood kids loved it! 

Step 1: Parts

Picture of Parts
Parts:
19 Leds
1 BS2 MCU
1 Solderless breadboard
2  9 volt batteries
16 470 ohm resistors
wire, lots of wire

Tools:
Wire strippers
soldering iron
Serial port


 
Cool!!!!!!!!!!!!!!!!!!!