Build a guitar pedal test box with an Audio Probe - Five Cats Pedals
Have been getting into building DIY guitar pedals, and needed to build an Audio Probe for troubleshooting purposes. The whole thing had me feeling like Doc Brown, so I named it "The
Metasonix TX-2 Butt Probe Effects Box - CDM Create Digital Music
Audio Probe Tester - How to Make and Use this FANTASTIC tool! - YouTube