Right out of the box, the Riffmaster takes after Rock Band's early controllers more than anything produced for Guitar Hero.

RedOctane created the original Guitar Hero controller who collaborated with Harmonix on the original titles twenty years ago. Here's the big kicker, though: CRKD was established by the product ...

with an Adafruit Nunchucky breakout board allowing the Guitar Hero controller to be connected via jumper wires to the Raspberry Pi’s IO pins. Communication is via I2C, and is easy to work with ...