
Boards by soggybag
13 boardsOpen-source boards designed in KiCad by soggybag on GitHub, from 13 repositories. A board’s address here is its repository’s there.
- 2 layers80 × 54.5 mm

- 2 layers100 × 83.5 mm

Dual Delay
soggybag/Dual-Delay
Two PT2399 delay lines with a TWIST knob blending self and cross feedback (Super-Freq)
121 parts - 2 layers45 × 50 mm

Flatline
soggybag/Flatline-SMD
An optical compressor for guitar, built on John Hollis's Flatline with Atomium Amps' mods and your OPA2134 build (super-freq.com/flatline-op2134).
48 parts - 2 layers56 × 85.4 mm

FU-3
soggybag/FU-3
An octave / "tripler" distortion with a big two-knob tone stage: the Distort-o-matic XI (Stompboxology Vol. 13 No.
84 parts - 2 layers100 × 83.5 mm

Loop Echo
soggybag/Loop-Echo
A single-PT2399 delay with an effects loop in the feedback path: - only the repeats circulate through the loop; - the first echo is clean, and each later echo goes through the external effect again: fuzz degrades, a…
90 parts - 2 layers65.3 × 100 mm

Mutant SMD
soggybag/Mutant-SMD
A redesign of the Mutant generative synth (MeeBleeps, https://github.com/Meebleeps/MeeBleeps-Mutant-Synth), based on the Eurorack version in /Documents/Arduino/projects/MutantGenerativeArduinoSynth/ (Instructables…
49 parts - 2 layers50.5 × 32.7 mm

- 2 layers17.2 × 21 mm

SwitchPCB
soggybag/SwitchPCB
A small board that solders onto a standard 3PDT stomp switch and gives every Super-Freq pedal the same true-bypass wiring. It's a KiCad 10 update of the Eagle SwitchPCB (2022).
7 parts - 2 layers56 × 54 mm

TheSultan
soggybag/The-Sultan-SMD
Silicon NPN Fuzz Face + SQUINCH (Woolly-style bias) + an active Baxandall tone stack, for JLC assembly.
45 parts - 2 layers45 × 50 mm

Trem 23
soggybag/Trem-SMD
A tremolo for guitar in a Hammond 1590B: a TL064 LFO with SHAPE and SQ/TRI, driving a discrete LM3086-style transistor VCA.
78 parts - 2 layers50.5 × 32.7 mm

UglyFace 01
soggybag/ugly-face-1-smd
A gated, envelope-controlled square-wave synth fuzz for guitar, in a Hammond 1590B. LM386 + TLC555, SMD parts assembled by JLCPCB, panel parts hand-soldered.
37 parts - 2 layers53 × 52.1 mm

UglyFace 03
soggybag/Ugly-Face-3-SMD
A gated, envelope-controlled square-wave synth fuzz for guitar, in a Hammond 1590B. A TL072 preamp (gain 201) gates and bends a TLC555 oscillator, with a MIX control to blend the dry fuzz with the synth tone.
84 parts - 2 layers40.8 × 103 mm

Wave Folder
soggybag/Wave-Folder
YuSynth wavefolder reworked as a 4HP Eurorack module: BAV99 pairs, matched NPN VCA, split boards. KiCad project in WaveFolder/, panel in Front-Panel/.
71 parts