DIY Arduino midi controller to a pcb

• tutorials

  2 69 0.0 C++
  

#include "MIDIUSB.h" const byte TOTAL_BUTTONS = 16; // All the Arduino pins used for buttons, in order. const byte BUTTONS_PIN[TOTAL_BUTTONS] = {2,3,4,5,6,7,8,9,10,11,12,A0,A1,A2,A3,A4}; // Every pitch corresponding to every Arduino pin. Each note has an associated numeric pitch (frequency scale). // See https://github.com/arduino/tutorials/blob/master/ArduinoZeroMidi/PitchToNote.h const byte BUTTONS_PITCH[TOTAL_BUTTONS] = {36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51}; // Current state of the pressed buttons. byte currentRead[TOTAL_BUTTONS]; // Temporary input reads to check against current state. byte tempRead; // The setup function runs once when you press reset or power the board void setup() { // Initialize all the pins as a pull-up input. for (byte i = 0; i < TOTAL_BUTTONS; i++) { pinMode(BUTTONS_PIN[i], INPUT_PULLUP); } } // The loop function runs over and over again forever void loop() { for (byte i = 0; i < TOTAL_BUTTONS; i++) { // Get the digital state from the button pin. // In pull-up inputs the button logic is inverted (HIGH is not pressed, LOW is pressed). byte buttonState = digitalRead(BUTTONS_PIN[i]); // Temporarily store the digital state. tempRead = buttonState; // Continue only if the last state is different to the current state. if (currentRead[i] != tempRead) { // See https://www.arduino.cc/en/pmwiki.php?n=Tutorial/Debounce delay(2); // Get the pitch mapped to the pressed button. byte pitch = BUTTONS_PITCH[i]; // Save the new input state. currentRead[i] = tempRead; // Execute note on or noted off depending on the button state. if (buttonState == LOW) { noteOn(pitch); } else { noteOff(pitch); } } } } void noteOn(byte pitch) { MidiUSB.sendMIDI({0x09, 0x90, pitch, 127}); MidiUSB.flush(); } void noteOff(byte pitch) { MidiUSB.sendMIDI({0x08, 0x80, pitch, 0}); MidiUSB.flush(); }

• Ethernet

  60 242 5.1 C++

  Ethernet Library for Arduino (by arduino-libraries)

  

For the PCB, use the Leonardo development design as a starting point. You can download the PCB/schematic for all of their boards on arduino.cc.

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