Module Row Width Depth +12V -12V +5V
11 Modules (1 passive)Row 180 HPmax 40 mm256 mA +12V144 mA -12V0 mA +5V
11 Modules (1 passive)Total80 HPmax 40 mm256 mA +12V144 mA -12V0 mA +5V
Erica Synths DIY MIDI-CV Erica Synths DIY MIDI-CV
DIY duophonic MIDI interface
1  6 HP  35 mm  40 mA  9 mA  0 mA 
Erica Synths DIY Modulator II Erica Synths DIY Modulator II
LFO with simultaneous triangle and square wave outputs, clockable S&H with external CV input and noise source.
1  8 HP  35 mm  27 mA  22 mA  ? 
Erica Synths DIY Polivoks VCO II Erica Synths DIY Polivoks VCO II
Updated design based on the original Polivoks VCO
1  12 HP  35 mm  34 mA  36 mA  ? 
Erica Synths DIY Polivoks VCO II Erica Synths DIY Polivoks VCO II
Updated design based on the original Polivoks VCO
1  12 HP  35 mm  34 mA  36 mA  ? 
Erica Synths DIY Mixer Erica Synths DIY Mixer
Compact, easy to build audio Mixer
1  6 HP  30 mm  5 mA  5 mA  0 mA 
Erica Synths DIY Polivoks VCF II Erica Synths DIY Polivoks VCF II
Updated design based on the original Polivoks VCF
1  10 HP  30 mm  11 mA  11 mA  ? 
Synthrotek ADSR Synthrotek ADSR
Envelope Generator Module
1  4 HP  40 mm  30 mA  0 mA  0 mA 
Erica Synths DIY Polivoks-inspired VCA Erica Synths DIY Polivoks-inspired VCA
Dual VCA based on K118UD1 differential opamps
1  8 HP  35 mm  25 mA  18 mA  0 mA 
Erica Synths DIY Output II Erica Synths DIY Output II
Output & Heaphone Module
1  6 HP  35 mm  20 mA  7 mA  0 mA 
Tiptop Audio uZeus Tiptop Audio uZeus
Micro Power Supply with Flying Bus Boards
1  4 HP  34 mm  Module does not draw current
Synthrotek ADSR Synthrotek ADSR
Envelope Generator Module
1  4 HP  40 mm  30 mA  0 mA  0 mA 

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