der nulleffekt

Electric Intonarumori

31. July 2019
Electric Intonarumori - a noise-synth with beautiful feedback.

Symbiotic Synth

10. Apr. 2019
Symbiotic Synth - a low voltage oscillator that is powered as well as controlled by the human body.

PB202 MIDI to CV Update

15.Jan. 2019
I updated the Paper Bit 202 Midi to CV board. It has now 4 CV outputs and gives out the clock signal as a trigger sinal.

PB705 VCCC Voltage Controlled Chua Circuit

23.Jan. 2019
Chua's Oscillator for Paper Bits! PB705 VCCC Voltage Controlled Chua Circuit

VGA & Sound Blender

10.Dec 2018
The all purpose signal to VGA mixer: VGA & Sound Blender

RS232 Control

19. Oct 2018
A RS232 Controller for two Waveplayer8: RS232 Controller

PB808 Kick Drum

09. Oct 2018
The 808 Kick Drum for the Paper Bits is online!
PB808 Kick Drum

Pop Neuron 2

1.Sept 2018
New version of Christian Faubel and my Pop Neurons:
Exitatory Pop Neuron 2
Inhibitory Pop Neuron 2

Confetti - An Analog Computer

15.Jan 2018
Confetti is a modular analog computing system.

Pop Neuron

12.Jan 2018
the Paper PCBs: Pop Neuron
the exhibition: Symbolic Grounding


12.Sept 2017
Keyboard-compatiblility for the Paper Bit:
the PB702 MIDI Synthesizer.

A simple Hat

12.Sept 2017 That simple Hat for an Raspberry Pi helps if one just needs some buttons and LEDs.

Paper Bit Sine Wave

10.August 2017
The PB109 VCO II makes a wonderfull, smooth sine wave.

PS411 - EnvAmp

18.April 2017
Paper Synthesizer number 411, an attack/release envelope generator with an voltage controlled amplifierer:

PS 411 - EnvAmp

Frames & Bottom Plates

A lot of new frames and bottom plates for Paper Bits, Paper PCB and all kind of other boards.

Frames & Bottom Plates


The tiny version of the Paperduino:


An AVRISP mkII clone made out of Paper-PCBs: Paper-AVRISP mkII

Internet of Art: Raspberry-Web-Cam

Dokumentation of a seminar about live video and web stream with the Raspberry Pi.
Doku - Universität Oldenburg, WS 16-17

Doku - Universität Padernborn, WS 16-17

Paper-Bits Update

Update of the Paper-Bits with a new Sine Wave Oscillator and a lot of other new modules.


The latest version of the Paper-Duino-Pi as a Hat for the Raspberry Pi (B+ ,2 and 3), the Paper-Duino-Hat.


Two Paper-Bluetooth-Boards for the Paperduino-UNO and the Mini-Duino: Bluetooth-Board.


The latest and smalest member of the Paper-Duino familie: the Paper-Duino-Mini.

Also as a sewable version: the Fabric-Duino!

Hack of the


A smal hack for the - USB stick of Audrey Samson.

PS202 - MIDI-Duino

A simple MIDI-Arduino Board with MIDI-IN and MIDI-THRU/OUT and MIDI over USB.

Paper Bits

Paper Bits is a small modular sythesizer, with a 8 Step-Sequenzer and 3 Oscillator. A sinus wave VCO, and a synced square/triangel wave VCO.

Build for and during my stay at the Indian Sonic Research Organisation.

VGA Board

I made a new version of the Raspberry Pi VGA-Board.


The monthly Synthesizer Werkstatt for building Paper-Synthesizer modules and making faceplates, …

… and for social soldering.
by Antti Pussinen & Wolfgang Spahn

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