===== der nulleffekt =====
[[http://dernulleffekt.de/doku.php?id=start|{{ :hardsyncosc_2395_stripe.jpg |}}]]\\
This is the Open Hard- and Software Wiki by Berlin based light and sound artist [[http://wolfgang-spahn.de/|Wolfgang Spahn]].\\
If not mentioned otherwise, all boards, codes and designs are made by Wolfgang Spahn. They are mainly developed for his art [[http://wolfgang-spahn.de/doku.php/installation:main|installations]], [[http://wolfgang-spahn.de/doku.php/performance:main|performances]] and his [[http://workshop.dernulleffekt.de/doku.php|workshops]].\\
Except where otherwise noted, content is licensed under the following license: [[https://creativecommons.org/licenses/by-nc-sa/4.0/|CC Attribution-Noncommercial-Share Alike 4.0 International]].\\
[[https://paperpcb.dernulleffekt.de/|PAPER-PCB]]\\
- [[https://paperpcb.dernulleffekt.de/doku.php?id=analog_computer:analog_computer_main|Analog Computer]]\\
- [[https://paperpcb.dernulleffekt.de/doku.php?id=pop_neuron:pop_neuron_main|Pop Neuron]]\\
- [[https://paperpcb.dernulleffekt.de/doku.php?id=arduino_clones:arduino_clones_main|Paper-Duino]]\\
- [[https://paperpcb.dernulleffekt.de/doku.php?id=paper_synth:paper_synth_main|Paper Synthesizer]]\\
- [[https://paperpcb.dernulleffekt.de/doku.php?id=paper_bits:paper_bits_main|Paper Bits]]\\
- [[https://paperpcb.dernulleffekt.de/doku.php?id=raspberry_boards:raspberry_boards_main|Raspberry Pi Hats]]\\
- [[https://paperpcb.dernulleffekt.de/doku.php?id=vga_synthesizer:vga_main|VGA Synthesizer]]\\
- [[https://paperpcb.dernulleffekt.de/doku.php?id=sound_boards:sound_boards_main|Sound Boards]]\\
[[raspi_and_linux|RASPBERRY PI & LINUX]]\\
- [[puredata:main|Pure Data on Raspberry Pi]]\\
- [[raspberry:raspberry_main|Raspberry Pi Projects]]\\
- [[linux:linux_main|Linux Workarounds]]\\
- [[http://embedded-artist.net/doku.php?id=embedded_art_system|Embedded Art System]]\\
- [[raspberrypipico:raspberrypipico|Raspberry Pi Pico]]\\
- [[bootloader:bootloader_main|Burning Bootloader]]\\
- [[arduino:arduino|ARDUINO Workarounds]]\\
- [[samd21:samd21m0_mini|SAMD21 M0-Mini]]\\
- [[seeeduino:seeeduino_xiao|Seeeduino XIAO]]\\
- [[esp32:esp32_main|Espressif ESP32]]\\
- [[stm32duino:32stm32_main|STM32duino]]\\
- [[https://paperpcb.dernulleffekt.de/doku.php?id=arduino_clones:arduino_clones_main|Paper-Duinos]]\\
- [[https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:arduino_boards_main|Arduino Boards/Extensions]]\\
[[art_cooperation|ART COOPERATION]]\\
- [[spahn_feistkorn:spahn_feistkorn|Spahn Feistkorn]]\\
- [[ufo:ufo|U.F.O. Yashas Shetty & Wolfgang Spahn]]\\
- [[http://maailmankaikkeus.dernulleffekt.de/|Maailmankaikkeus]]
D.Eggermann, A.Pussinen and W.Spahn, 2018\\
- [[symbolic_grounding:symbolic_grounding|Symbolic Grounding]]
Ch.Faubel and W.Spahn, 2018\\
- [[beats_per_machine|Beats per Machine]]
collective work lead by W.Spahn, 2017\\
- [[http://embedded-artist.net/doku.php|Embedded Artist]]
M.Steiner and W.Spahn, 2014-16\\
- [[http://embeddedartist.dernulleffekt.de/doku.php?id=installation|Monitored Artwork]] M.Steiner and W.Spahn, 2015\\
- [[cnc:froehliche_wissenschaft|Die Fröhliche Wissenschaft]]\\
T.Henninger and A.Anklam in cooperation with W.Spahn, 2014\\
- [[http://old.wolfgang-spahn.de/Projektion_01_Index.html|Liquid State Machine]] M.Howse and W.Spahn, 2011-12\\
- [[http://molecule.dernulleffekt.de/|Molecule]]
J.Hoffman and W.Spahn, 2010\\
- [[http://old.wolfgang-spahn.de/Installation_08_Index.html|Spiel-Tisch]] T.Gerwin and W.Spahn 2010\\
- [[http://old.wolfgang-spahn.de/Installation_06_Index.html|augen-auf-schlag]] T.Gerwin and W.Spahn 2008\\
- [[https://workshop.dernulleffekt.de/|Workshops & Seminars]]\\
[[miscellaneous|MISCELLANEOUS]]\\
- [[frames:mainframes|Frames & Bottom Plates]]\\
- [[cnc:cnc_main|Computerized Numerical Control - CNC]]\\
- [[kav:kav|Kite Aerial Video - KAV]]\\
- [[i2c_over_vga|I2C over VGA]]\\
- [[paper_pcb_shenzhen_ready:main|Paper PCB Shenzhen Ready]]\\
- [[8bit_&_chiptune|8 Bit & Chiptune]]\\
- [[lenovo_to_round-jack_adapter|Lenovo Rectangular Power Adapter to 5.5mm Round Jack]]\\
- [[vocoder|Vocoder]]\\
- [[talkbox|Talkbox]]\\
- [[synthetic_speech|Synthetic Speech]]\\
- [[analogcomputation:01_chuascircuit|Chua's Circuit]]\\
\\
[[camp:harsh_art_cam|Border Pixel]]\\
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==== Pi Zero always On-The-Go ====
07. June 2021\\
{{ :raspberry:usb-osg_on_zero_02.jpg?400 |}}
[[raspberry:pi_zero_usb-otg|Pi Zero always On-The-Go]], a USB-OTG Hack\\
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==== Paspberry Pi Pico - Programmable I/Os ====
10. May 2021\\
A manual for the
[[raspberrypipico:pico_pio|Programmable I/O]]'s of the Paspberry Pi Pico\\
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==== Serial Wire Debug (SWD) and Raspberry PI ====
30.January 2021\\
[[bootloader:openocd|{{ :bootloader:swd-raspi_programmer_seeeduinoxiao.jpg?400 |}}]]\\
A workaround for [[bootloader:openocd|OpenOCD & Raspberry Pi]].\\
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==== USB Soundcard Oscilloscope ====
16.November 2020\\
[[linux:oscilloscope|{{ :micoscope_210751.jpg?250 |}}]]\\
A simple USB sound card hack for an [[linux:oscilloscope|Linux Oscilloscope]].\\
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==== Voltage Controlled Oscillator ====
6.November 2020\\
[[https://paperpcb.dernulleffekt.de/doku.php?id=sound_boards:vc_oscillator|voltage controlled oscillator]]\\
{{ :vc_oscillator_214607.jpg?250 |}}\\
A basic Voltage Controlled Oscillator for learning, experiments and development. It's designed to plug it directly in a breadboard.\\
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==== Handmade Electronic Music ====
30.June 2020\\
[[https://www.handmadeelectronicmusic.com/index.htm|Handmade Electronic Music - The Art of Hardware Hacking]]\\
by Nicolas Collins, [[https://www.routledge.com/Handmade-Electronic-Music-The-Art-of-Hardware-Hacking-3rd-Edition/Collins/p/book/9780367210106|Routledge]] 2020\\
includes an article of my [[https://paperpcb.dernulleffekt.de/doku.php?id=analog_computer:confetti501_confetti_neuron| Confetti Neuron]]\\
[[https://www.routledge.com/Handmade-Electronic-Music-The-Art-of-Hardware-Hacking-3rd-Edition/Collins/p/book/9780367210106|{{ :handmade_electronic_music_cover.jpg?250 |}}]]
//copyright of the cover by [[https://www.routledge.com/Handmade-Electronic-Music-The-Art-of-Hardware-Hacking-3rd-Edition/Collins/p/book/9780367210106|routledge]], 2020//\\
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==== Raspberry Pi HQ Camera Protection ====
12.May 2020\\
[[frames:raspberry_pi_cam2_frame|Frame for the Raspberry Pi HQ Camera]]\\
[[frames:raspberry_pi_cam2_frame|{{ :frames:20200512_174344_b.jpg?400 |}}]]\\
A 3D printed frame for the latest HQ Raspi Cam.\\
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==== Analog Computation #01 - Chua's Circuit ====
09.May 2020\\
[[analogcomputation:01_chuascircuit|Analog Computation #01 - Chua's Circuit]]\\
[[analogcomputation:01_chuascircuit|{{ :analogcomputation:chua_s_circuit_134511.jpg?400 |}}]]\\
This is the first lesson about analog computation, it's about the implementation of a Chua's Circuit in the analog computer Confetti to gain a chaotic oscillation.\\
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==== Arduino Bootloader ====
23.Mar 2020\\
[[https://paperpcb.dernulleffekt.de/doku.php?id=avr_bootloader:bootloader|Burning the Bootloader]]\\
[[https://paperpcb.dernulleffekt.de/doku.php?id=avr_bootloader:bootloader|{{ :paper-avrisp_mkii_programming_board_raw.jpg?400 |}}]]\\
An update on burning an Arduino bootloader with all kind of AVR programming boards in the Arduino IDE and in command line.\\
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==== Raspi-Sound-Hat ====
04.Mar 2020\\
[[https://paperpcb.dernulleffekt.de/doku.php?id=raspberry_boards:raspi-sound-hat|Raspi-Sound-Hat]]\\
[[https://paperpcb.dernulleffekt.de/doku.php?id=raspberry_boards:raspi-sound-hat|{{ :raspi-sound_hat_recording_playback-440hz.jpg?400 |}}]]\\
A Raspberry Pi Audio Hat with two Line In and two Line Out.\\
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==== Raspi-PD Control Hat ====
22.Feb 2020\\
[[https://paperpcb.dernulleffekt.de/doku.php?id=raspberry_boards:raspbi-pd_control_hat|Raspi-PD Control Hat]]
[[https://paperpcb.dernulleffekt.de/doku.php?id=raspberry_boards:raspbi-pd_control_hat|{{ :raspi-pd_hat.jpg?400 |}}]]\\
A Raspberry Pi Hat for analog and digital inputs in Pure Data.\\
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==== Pure Data on the Raspberry Pi ====
06.Feb 2020\\
Here are some workarounds for Pure Data, GPIO, Arduino and some sound cards on the Raspberry Pi 4: [[puredata:main|Pure Data on Raspberry Pi]]\\
[[puredata:main|{{ :puredata:pd_wiringpi_mcp3008_gpio-help_jan2020.png?400 |}}]]\\
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==== Experimental VGA Processor ====
11. December 2019\\
A new new all signal mixer (incl. VGA): the
[[https://paperpcb.dernulleffekt.de/doku.php?id=vga_synthesizer:experimental_vga_processor|Experimental VGA Processor]]\\
[[https://paperpcb.dernulleffekt.de/doku.php?id=vga_synthesizer:experimental_vga_processor|{{ :experimental_vga_processor.jpg?400 |}}]]\\
For mixing and experimenting with analog video signals.
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==== Lenovo Rectangular Power Adapter ====
2. October 2019\\
[[lenovo_to_round-jack_adapter|Lenovo Rectangular Power Adapter to 5.5mm Round Jack]]
[[lenovo_to_round-jack_adapter|{{ :solder_station_adapter.jpg?400 |}}]]\\
To use a Lenovo power supply for a T12-942 solder station.\\
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==== Electric Intonarumori ====
31. July 2019\\
[[https://paperpcb.dernulleffekt.de/doku.php?id=sound_boards:electric_intonarumori|Electric Intonarumori]] - a noise-synth with beautiful feedback.\\
[[https://paperpcb.dernulleffekt.de/doku.php?id=sound_boards:electric_intonarumori|{{ :electric_intonarumori.jpg?400 |}}]]\\
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==== Symbiotic Synth ====
10. Apr. 2019\\
[[https://paperpcb.dernulleffekt.de/doku.php?id=sound_boards:symbiotic_synth#symbiotic_synth|Symbiotic Synth]] - a low voltage oscillator that is powered as well as controlled by the human body.\\
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==== PB202 MIDI to CV Update ====
15.Jan. 2019\\
I updated the [[https://paperpcb.dernulleffekt.de/doku.php?id=paper_bits:pb202_miditocv|
Paper Bit 202 Midi to CV]] board. It has now 4 CV outputs and gives out the clock signal as a trigger sinal.\\
[[https://paperpcb.dernulleffekt.de/doku.php?id=paper_bits:pb202_miditocv|{{ :pb202_midi_to_cv_015617.jpg?400 |}}]]\\
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==== PB705 VCCC Voltage Controlled Chua Circuit ====
23.Jan. 2019\\
Chua's Oscillator for Paper Bits! [[https://paperpcb.dernulleffekt.de/doku.php?id=paper_bits:pb705_vccc|PB705 VCCC Voltage Controlled Chua Circuit]]\\
[[https://paperpcb.dernulleffekt.de/doku.php?id=paper_bits:pb705_vccc|{{ :pb705_vccc_schematic.jpg?400 |}}]]\\
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==== VGA & Sound Blender ====
10.Dec 2018\\
The all purpose signal to VGA mixer: [[https://paperpcb.dernulleffekt.de/doku.php?id=vga_synthesizer:vga_sound_blender|VGA & Sound Blender]]\\
[[https://paperpcb.dernulleffekt.de/doku.php?id=vga_synthesizer:vga_sound_blender|{{ :video_sound_blender_08-47-08.jpg?400 |}}]]\\
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==== RS232 Control ====
19. Oct 2018\\
A RS232 Controller for two Waveplayer8: [[https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:rs232_controller|RS232 Controller]]\\
[[https://paperpcb.dernulleffekt.de/doku.php?id=arduino_boards:rs232_controller|{{ :rs2323_control_front.jpg?400 |}}]]\\
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==== PB808 Kick Drum ====
09. Oct 2018\\
The[[https://paperpcb.dernulleffekt.de/doku.php?id=paper_bits:pb808_kickdrum|PB808 Kick Drum]] for the Paper Bits is online!
[[https://paperpcb.dernulleffekt.de/doku.php?id=paper_bits:pb808_kickdrum|{{ :pb808_kick_drum_schematic_03.jpg?400 |}}]]\\
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==== Pop Neuron 2 ====
1.Sept 2018\\
New version the Pop Neurons:\\
[[https://paperpcb.dernulleffekt.de/doku.php?id=pop_neuron:pn012_excitatory_pop_neuron2#pn012_excitatory_pop_neuron_2|Exitatory Pop Neuron 2]]\\
[[https://paperpcb.dernulleffekt.de/doku.php?id=pop_neuron:pn013_inhibitory_pop_neuron2#pn013_inhibitory_pop_neuron|Inhibitory Pop Neuron 2]]\\
{{ :popneuron2b.jpg?400 |}}
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==== Pop Neuron ====
12.Jan 2018\\
the Paper PCBs: [[https://paperpcb.dernulleffekt.de/doku.php?id=pop_neuron:pop_neuron_main|Pop Neuron]]\\
the exhibition: [[https://dernulleffekt.de/doku.php?id=symbolic_grounding:symbolic_grounding|Symbolic Grounding]]\\
[[https://paperpcb.dernulleffekt.de/doku.php?id=pop_neuron:pop_neuron_main|{{ :pop_neuron_00.06.46b.jpg?400 |}}]]\\
----
==== Confetti - An Analog Computer ====
15.Sep 2017\\
[[https://paperpcb.dernulleffekt.de/doku.php?id=analog_computer:analog_computer_main|Confetti]] is a modular analog computing system.\\
[[https://paperpcb.dernulleffekt.de/doku.php?id=analog_computer:analog_computer_main|{{ :confetti708_inverting_summer_osc_200845.jpg?400 |}}]]\\
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==== MIDI Bit ====
12.Sept 2017\\
Keyboard-compatiblility for the Paper Bit: the [[https://paperpcb.dernulleffekt.de/doku.php?id=paper_bits:pb702_midi_synth|PB702 MIDI Synthesizer]].\\
[[https://paperpcb.dernulleffekt.de/doku.php?id=paper_bits:pb702_midi_synth|{{ :pb702_midi_synth_22.jpg?400 |}}]]\\
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==== A simple Hat ====
12.Sept 2017\\
[[https://paperpcb.dernulleffekt.de/doku.php?id=raspberry_boards:raspberry_basic_hat|Raspberry Basic Hat]]\\
That simple Hat for an Raspberry Pi helps if one just needs some buttons and LEDs.\\
[[https://paperpcb.dernulleffekt.de/doku.php?id=raspberry_boards:raspberry_basic_hat|{{ :raspberry_basic_hat.jpg?400 |}}]]\\
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**[[archive|<< Older Posts]]**\\
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==== Credits & Contact ====
**[[credits|Credits]]**\\
**[[contact|Contact]]**\\
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==== License ====
If not other mentioned all software, boards, web-sides and manuals are written, designed and developed by [[https://wolfgang-spahn.de/doku.php|Wolfgang Spahn]] 2008-21.\\
Except where otherwise noted, content is licensed under the following license: [[https://creativecommons.org/licenses/by-nc-sa/4.0/|CC Attribution-Noncommercial-Share Alike 4.0 International]].\\
