Bluetooth keyboard with Nano with MIDI capability

Projects General Guidance
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Hello Arduino-ers,

I am using an Arduino Nano (without BT) as a MIDI controller to drive a guitar amp emulator (foot-switch for a Line 6 HX Stomp). It works great but..

I would like to expend the capability of my foot-switch to have one of the button controlling YouTube. To do that I need to have the controller sending a Keyboard letter "K" (play/stop youTube) to my laptop.

So the Nano would be controlling a MIDI command send via a MIDI cable to a guitar amp emulator and a Bluetooth keyboard sending "K" to my laptop.

From what I have read, my nano is not compatible with "Keyboard.h".

Here are my questions

  1. Is that possible to do that (MIDI via cable and Keyboard via BT) ?
  2. What library would I need as an alternate Library to "Keyboard.h"
  3. What extra hardware would you recommend to enable bluetooth on my nano (my Nano is is not a a BLE Nano)
  4. Would it be easier to switch to a Nano 33 BLE knowing I also need a 5V output for the MIDI ? ( I have to keep the nano size to fit into the foot-switch ).

Thanks for your help

P.

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