Quantity   Component name
16 × Motor Faders (20€) https://www.conrad.de/de/motor-fader-5-k-02-w-linear-alps-rs60n11m9-1-st-442094.html
90 × Buttons (0,50€) https://mechanicalkeyboards.com/shop/index.php?l=product_detail&p=708
2 × Touchscreen (70€) https://www.ebay.de/itm/15-Zoll-ELO-OEM-Touchscreen-TFT-LCD-VGA-mit-USB-Windows-VISTA-7-8-10-usw/131719768877?hash=item1eab1c2b2d:g:f8YAAOSw9r1V7mmC
1 × Arduino Due (35€) https://store.arduino.cc/arduino-due
4 × Rotary Encoder https://www.voelkner.de/products/42414/ALPS-STEC12E08-Encoder-5-V-DC-0.001A-360-1St..html?ref=43&gclid=CjwKCAjw0oveBRAmEiwAzf6_rEyuyQhQslImibkWctKF8q8j1dNkK5-6cedxYkv6EO7m1hq7jveSvBoCJVMQAvD_BwE