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Resistive touch sensors to sound by touching the probes or things connected to them.
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README.md

bananenkeyboard

Resistive touch sensors to sound by touching the probes or things connected to them.

When creating a new Raspian OS minimal, after login (ssh) proceed with these steps:

  1. sudo apt update
  2. sudo apt upgrade
  3. sudo apt -y install git python3-pip libsdl-mixer1.2
  4. git clone https://repos.ctdo.de/interfisch/bananenkeyboard/
  5. pip3 install pyserial pygame
  6. sudo cp ~/bananenkeyboard/piconfig/config.txt /boot/config.txt
  7. chmod u+x ~/bananenkeyboard/Pi/s.py

Starten mit

cd ~/bananenkeyboard/Pi

python3 ./s.py

Konvertieren und Stille herauskürzen aus Samples:

for file in *.mp3; do ffmpeg -i ${file} -af silenceremove=1:0:-30dB ${file/mp3/wav} -y; done

Als Quelle haben wir zB https://philharmonia.co.uk/resources/sound-samples/

TODO

  • USB-Stick mit Samples anschließen, welche dann den "Standard" überschreiben
  • Knopf, welcher die Empfindlichkeit einstellt. Realisiert über einen Knopf am Arduino. (An einem der Digitaleingänge). Wechselt dann zwischen "ein paar" Einstellungen der Empfindlichkeit durch.
  • Daisy-Chaining Powerbank erforderlich? (Nicht wirklich zwingend, aber nice to have)