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10.August 2017
The PB109 VCO II makes a wonderfull, smooth sine wave.
http://paperpcb.dernulleffekt.de/doku.php?id=paper_bits:pb109_vcoii

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

PS 411 - EnvAmp

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28.March.2017
A lot of new frames and bottom plates for Paper Bits, Paper PCB and all kind of other boards.

Frames & Bottom Plates

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27.Feb.2017
The tiny version of the Paperduino: http://paperpcb.dernulleffekt.de/doku.php?id=arduino_clones:papertiny

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7.Jan.2017
An AVRISP mkII clone made out of Paper-PCBs: Paper-AVRISP mkII

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21.Dez.2016
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

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30.Okt.2016
Update of the Paper-Bits with a new Sine Wave Oscillator and a lot of other new modules.

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16July2016
The latest version of the Paper-Duino-Pi as a Hat for the Raspberry Pi (B+ ,2 and 3), the Paper-Duino-Hat.

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13Jun2016
Two Paper-Bluetooth-Boards for the Paperduino-UNO and the Mini-Duino: Bluetooth-Board.

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7June2016
The latest and smalest member of the Paper-Duino familie: the Paper-Duino-Mini.

Also as a sewable version: the Fabric-Duino!

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30Mai2016
digital.data.funeral_hack

A smal hack for the digital.data.funeral(selfie) - USB stick of Audrey Samson.

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23Mai2016
A simple MIDI-Arduino Board with MIDI-IN and MIDI-THRU/OUT and MIDI over USB.

13Mai2016
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.

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18Jan2016
I made a new version of the Raspberry Pi VGA-Board.

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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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19Okt2015
The Raspberry Pi B and the B2 have different Chips. That's why for flashing an LED on the GPIOs one needs a different code in C-Programs:
Flashing an LED in C on B2

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18Okt2015
Paper Synthesizer 201 - MIDI to CV:
A MIDI to control voltage board. 2 DAC and 4 fast PWM.

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09Mai2015
Paper Synthesizer 110 - Wave Converter:
The wave shaper board for our PS110 Voltage Controlled Oscillator done in cooperation with Antti Pussinen.

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28Februar2015
Paper Synthesizer 110 - Voltage Controlled Oscillator: The saw wave core for a one volt per octave analog oscillator. Plus the calibration keyboard. In cooperation with Antti Pussinen.

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21July2014
OGG-Player-Board: A simple OGG-Player based on the VS1000 Audio Module.

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18July2014
SMD Solder Manual: A small manual for SMD soldering.

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21Jun2014
Paper-Synthesizer 100 - Hard-Sync-Oscillator: The first board of a modular Paper-Synthesizer. A project in cooperation with Antti Pussinen.

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15Nov2013
Paper-Duino-Pi: The new version 3.2 of the Paper-Duino-Pi is released. It comes with an additional shutdown and reset button on the GPIO pins.

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22Mrz2013
Paper USBasp: Use the paper USBasp programmer to burn Paper Duino and AVR chips.

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20Feb2013
Paper-Leonardo: Paper-Leonardo is an Arduino clone with USB connection.

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05Dec2012
Paper-Duino-Pi: Thanks to the Paper-Duino-Pi the Raspberry Pi as an all purpose artistic tool is now complete.

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24April2011
Paperduino-Uno: The Paperduino-UNO is an easy and cheap way to build your own Arduino UNO clone.

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25Nov2010
Light-Type: A simple Keyboard hack that allows for typing with light.

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