Seems like the team behind the JetPack Bluetooth Shield for Arduino has been working hard and getting out several DIY arduino projects that use bluetooth.
This that are putting your smartphone to use to build a cool electronic drum.
Hats of to these guys, I am becoming a big fan of theirs.
Key component here is the JetPack Bluetooth Shield and
they are right now running a campaign around it on kickstarter: http://kck.st/1R3PIWE
Here is the complete DIY project details: http://www.instructables.com/id/DIY-Bluetooth-Synthdrum-Pad-With-Smartphone-and-Je/
#JetPackShield #BlueTooth #Arduino