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Mikael Degerfält 5bdc3a292b Removed overly complex logic 
The `leverIsOn` and `biteIsOn` variables were only used inside their
respective functions, and could be removed completely.
2024-02-29 15:25:39 +01:00
hardware Added hex files, user guides and fingering charts. 2020-03-24 14:00:44 +01:00
NuEVI Removed overly complex logic 2024-02-29 15:25:39 +01:00
NuEVI-audio Add NuEVI version with audio output (from Johan) 2019-03-04 10:21:21 +01:00
simulation Make IntervalTimer stub so simulator works 2019-10-16 15:28:01 +02:00
TestMPR121 Test tool for MPR121 modules. 2019-12-23 00:41:15 +01:00
uploadable hex files Portamento improvement and program key hack thing 2024-02-29 14:58:51 +01:00
user guides Portamento improvement and program key hack thing 2024-02-29 14:58:51 +01:00
.gitignore Changes up to 1.6.0 2023-02-27 12:56:49 +01:00
.gitmodules Let imgui submodule be untracked without whining 2019-06-23 15:58:54 +02:00
LICENSE.md First commit. Arduino sketch plus devboard plans. 2017-08-08 14:46:29 +02:00
README.md Editing SSD1306 library for I2C speed no longer neccessary. 2021-01-01 12:59:21 +01:00

README.md

NuEVI

A project by wind controller enthusiasts wanting to save the endangered Electronic Valve Instrument.

Follow the project at https://hackaday.io/project/25756-diy-evi-style-windcontroller

Building NuEVI

NuEVI is easiest to build using the Arduino IDE. You will also need to download and install Teensyduino to build for and upload to the Teensy.

Libraries

A few libraries need to be added that are not part of the default Arduino install. These can be added directly via the Library Manager in the Arduino IDE:

  • Adafruit MPR121
  • Adafruit GFX
  • Adafruit SSD1306 (version 1.2.9 or above)
  • NuEVI also includes on the Filters library by Jonathan Driscoll, but that is no longer an external dependency.

Compile options

Open NuEVI.ino in the Arduino IDE. Under "Tools -> Board", select "Teensy 3.2 / 3.1". Then set "Tools -> USB Type" to "MIDI".

Building and uploading

Connect the NuEVI via USB to your computer, open the Teensy application and make sure the "Auto" option is selected (the green round icon). In Arduino IDE, select "Sketch -> Verify/Compile" and once that is complete press the reset button on the Teensy chip (you have to remove the top cover on the NuEVI to access this). Upon resetting, it should upload the new firmware onto the NuEVI.

After uploading new firmware, you may need to reset the config memory of the NuEVI. To do this, press and hold the MENU and ENTER buttons while turning on the NuEVI. Note that this resets all sensor calibrations too. For new versions this should not be neccessary, as value and version checks are in place.