Guitar tuner - tuning by eye

guitar tuner elektor november 1982 — 11-33 Tuning a guitar by ear is not too diffi- cult provided you can hear what you are doing. In a crowded room or on stage, with everybody else running about with all sorts of equipment, tuning "by eye" is definitely to be preferred. It is not surprising therefore, that electronic guitar tuners are quite popular with professionals. Amateurs (and novices) would also like to have one of these units, but they soon discover that the "real thing" tends to be expensive. A home-con- struction design would be ideal, pro- vided it works properly, and is easy to use. In other words they are looking for the circuit described here! guitar tuner tuning by eye The problem with guitar tuning is very rarely the guitar itself. It is usually the surrounding noise and confusion that seems to reach a peak just at the wrong moment. Many guitarists have realised that these problems can be overcome with a visual tuning aid. The circuit described here is purely ele...