Unify, Gozinta, ADSRjr, Invy and G8 are among Circuit Abbeys most popular products.
4-channel stereo mixer
Envelope Generator
Comparator and Gate/Trigger Delay
Expander for the ADSRjr
Input & Amplification
Dual Attenuverter & Offset
Wave modifier using asymmetrical wave warping
Triple PWM generator with Digital RingMod, cross-faded inputs and sub divides.
Clock Divider Multi Mode
Additional inputs for Unify mixer
G8/QPLFO/Chaos Computer expander
Mutiple
Arduino-based generic module
Guitar/Bass Amplifier With 3-Band Tone Stack
Chaos Computer Break Out
Stupid Little Clock Kit
Programmer Breakout for the Euroduino
Dual Ring Mod
Dual Vactrol based VCA
4-channel mixer kit with slide pots
AND logic module 2HP
OR logic module 2HP
XOR logic module 2HP
Inverter logic module 2HP
Offset Generator 4 Channel
Clock Buffer, Dual
Noise Source 2HP
filter 4 pole lowpass
DLFO 6hp Dual Square/Saw/Sine/Triangle modulator with CV and Reset
Matrix Mixer
Dual Sample & Hold
Dual Linear VCA
Dual Attenuverter/Offset
Ring Modulator
Input Amplifier
Static Clock Generator
Buffered Multiple
2144 VCF
Quad AD/AR
Complex Harmonic Generator
Tim Ressel's ssi2144 VCF
Fully controllable, pure vacuum tube core, ring modulator.