[Paul Gallagher] has the answer in one case, he’s used not one kit but two of them as for a guitar tuner project. At its heart is a Boldport Cuttlefish ATmega328 development board, and for its ...

Crunch is where things head up, “fat and expressive mid-gain ... There is an onboard guitar tuner, too, accessed via a button on the front panel. Everything you need is right there.

There are plenty more music-related apps that make learning and playing guitar and other instruments much more accessible than 20 years ago, but these two are the essential must-have apps on my iPhone ...