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Blog#31 - MIDI fader

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Arduino MIDI fader box
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Author: Andrei
10/12/2018
Noteas and Volts YouTube channel presented his work on a MIDI fader box. He made the PCB that holds 8 lineal sliding potentiometers to control MIDI and a 7 segement display to show the value. But first, what is a MIDI fader? A MIDI controller is any hardware or software that generates and transmits Musical Instrument Digital Interface (MIDI) data to electronic or digital MIDI-enabled devices, typically to trigger sounds and control parameters of an electronic music performance. MIDI controllers usually do not create or produce musical sounds by themselves. MIDI controllers typically have some type of interface which the performer presses, strikes, blows or touches.

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So, Noteas and Volts created the hardware to control these MIDI sounds using his own PCB design, an Arduino and some sliders. He first made tests on a breadbaord with an Arduino and 8 rotating potentiometers. Then, once the system worked ok, he amde his own PCB, which by the way, was quite large. This PCB had sopace for the Arduino on one corner, some poush buttons, the 8 sliding potentiometers and the 7-segment display in the middle. He also placed a nice big silklayer with his own logo.

Soldering was not a problem. All parts are trough hole and there are not to amny solder points to make. The board has holes form some M3 screws to add later to place this inside of a metal case. To make the case, he used a drill machine to make all the holes and slots.


he first designed the front panel and printed it on a sheet of paper then laminated in plastic. After he made the metal case, he glued the fron panel design and cut the excess. He also printed some personal amde knobs for the sliders. The PCB gets screwed inside the case and the 7-segment display will be exactly in the middle. Add the knobs, buttons, progrm the Arduino to work with MIDI control and the MIDI box is ready. For more, check his channel on Noteas and Volts.
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