Experimenting with Arduino is a great way to improve your coding and electronics skills. MegCell’s Arduino Guitar Robot may give you a few ideas to take your game to the next level. This is a self-playing guitar robot has WiFi control. It relies on a PC or smartphone to process music.
The developer is also building a robotic arm that can play drums on an iPad. This project is not only great for mastering electronics, it also gives you something to sing to even if you don’t how to play an actual guitar.