[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 ...

This is [Michael Ossmann’s] RGB LED stroboscopic guitar tuner. If his name is familiar ... he can use the vibration frequency of an in-tune string to flash the three different colors.

They have it easy! Set and forget. But every time you pick your guitar up to play you'll need to check it's in tune. So invest in a decent headstock tuner and pedal tuner. But what if your ...

Then tuned it again. Adjusting intonation involves ... These adjustments are small and require careful monitoring with an accurate guitar tuner. There's a school of thought that suggests incorrect ...