haverchuck / nodeart2019

NodeArt 2019

MIDI

Musical Instrument Digital Interface

• note on [144,53,64]

• note off [128,53,64]

• control change [176,1,8]

Web MIDI

navigator.requestMIDIAccess({ sysex: false })
  .then(function(access) {

     // Get lists of available MIDI controllers
     const inputs = Array.from(access.inputs.values());
     //const outputs = Array.from(access.outputs.values());

     inputs[0].onmidimessage = function (message) {
        const data = message.data; // this gives us our [command/channel, note, velocity] data.
        console.log('MIDI data in', data); // MIDI data [144, 63, 73]
     }
  });

MIDI controller

• Leonardo - Micrcontroller
• buttons
• potentiometers
• wires

MIDI firmware