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This installment of EHX’s Effectology series outlines a variety of methods for using their stompboxes to create some rather convincing spookiness. Clever work, but the real highlight is the simple schematic for light control seen @ the 3:45 mark.


A photocell soldered between the ground and tip/sleeve terminals of a 1/4″ plug is then connected to the expression pedal input of a self-oscillating EQ effect – instant photo-theremin. nice.

Collin Cunningham

Collin Cunningham

Born, drew a lot, made video, made music on 4-track, then computer, more songwriting, met future wife, went to art school for video major, made websites, toured in a band, worked as web media tech, discovered electronics, taught myself electronics, blogged about DIY electronics, made web videos about electronics and made music for them … and I still do!