diy arduino dev board

simple dev board made from some cheap 400 contact breadboards on a piece of acrylic.

LFO modulated simple VCF

this is a rough draft of a circuit i’ve been working on based of the Simple VCF circuit floating out there. a big…

Dissolved penny

this penny has almost completely dissolved in a three month period in a solution of vinegar and salt. last time I opened the…

DOD FX69B Grunge insanity mod…

this “insanity” mod makes this pedal sound much more insane that the original version. i dropped in a couple of germanium clipping diodes…

mellotronium 2.0: rebuild

after our move to Oregon two months ago, i’m finally getting back to a spot where i can do more building and experimentation.…

inside an EL84…

a close-up picture of the guts of a JJ EL84 with all it’s grids exposed. such a seemingly odd and fascinating device.