This video demonstrates the power of combining relatively mobile computers, like this Android phone, with a cheap analog synth, the Korg Monotron.

Technical details below.

Check it out and let me know what you think of the combination!

via TheCryingGadgets:

A step sequencer application on android mobile phone controlled Monotron.

Android is connected with Arduino by bluetooth.
Arduino is connected with Monotron.

Android programming and Arduino Programming : S_Ishimaru
Monotron pitch control circuit design : Denkitribe
Video edit and musics : S_Ishimaru