Simple midi encoder

Projects General Guidance
1

Is anyone aware of a plan available to make a simple midi encoder
with an Arduino?
I want to have only one rotory encoder connected to an Arduino,
send midi information over usb cable to the computer
so that I can change the level on my music computer.
I did find this (see below links) which is exactly what I want but it uses a
very expensive Teensy LC board.

Is it possible to use another cheaper Arduino board?
My knowledge about Arduino is quite low but I have managed to
finish a couple of projects so far.

Any advice much appreciated.

2
3

MIDI on the ATtiny - mitxela.com

That's MIDI over UART only, not MIDI over USB.

He does have a USB variant (using V-USB), but this is very low-level. An even smaller, even sillier synth - mitxela.com

Edit: there's also this one: GitHub - mitxela/smsc

Here's a list of Arduino-compatible boards that support MIDI over USB: Control Surface: MIDI over USB

4

Thanks xfpd and PieterP

PieterP from the list of Arduino-compatible boards you gave, the Arduino Micro looks good or maybe the Arduino pro micro as it has a ATmega32U4 chip.

Its all a bit beyond me as the software from the Teensy LC board would need to be changed.
The pins layout is different. In theory if this was done, would it work?

5

If you use an example such as Control Surface: RotaryEncoder.ino, the code should be fairly portable, just change the pin numbers (while keeping in mind the available interrupt pins of the ATmega32U4).

6

I will order a couple of boards and encoders from
China and give it a go.
I appreciate the advice and link.
Thanks PieterP.

Davyd

7

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