Arduino MIDI Rockband Drumset

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About: I'm an Electrical Engineer working out of Northern California with a never ending interest in repairing and creating.

This video shows an early prototype of my arduino MIDI rockband drumset.

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    5 Discussions

    0
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    roycetaftjlane21

    Reply 6 years ago on Introduction

    Here you go. If it seems confusing, see my other instructable about Arduino MIDI Organ Pedals. I explain the code in that instructable. Also note that this is not the source code that was used in the video. I have since modified it to produce different sounds. I also added a second pedal that when pressed, makes the sound of a closing Hi-Hat, and when the left drum trigger is hit it makes the sound of a closed Hi-Hat being hit. Also, when the pedal is not pressed and the left trigger is hit, it makes an open hi-hat sound. I hope you find this useful!
    -----------------------------------------------------------------------------------------------------
    int redpad=0;
    int yellowpad=0;
    int bluepad=0;
    int greenpad=0;
    int peddle=0;
    int lastpeddle=0;
    int peddle2=0;
    int lastpeddle2=0;

    int hiHat = 0;

    void setup() {
    Serial.begin(31250);
    pinMode(5, INPUT);
    pinMode(6, INPUT);

    }

    void loop() {

    redpad = analogRead(A0);
    if (redpad >25) {
    if (hiHat == 1) {
    noteOn(0x99, 42, 0x7F);
    noteOn(0x99, 42, 0x00);
    }
    else {
    noteOn(0x99, 46, 0x7F);
    noteOn(0x99, 46, 0x00);
    }
    }


    yellowpad = analogRead(A1);
    if (yellowpad >25) {
    noteOn(0x99, 40, 0x7F);
    noteOn(0x99, 40, 0x00);
    }

    bluepad = analogRead(A2);
    if (bluepad >25) {
    noteOn(0x99, 47, 0x7F);
    noteOn(0x99, 47, 0x00);
    }

    greenpad = analogRead(A3);
    if (greenpad >25) {
    noteOn(0x99, 57, 0x7F);
    noteOn(0x99, 57, 0x00);
    }

    peddle = digitalRead(6);
    if (peddle != lastpeddle) {
    if (peddle == 1) {
    noteOn(0x99, 36, 0x7F);
    }
    else {
    noteOn(0x99, 36, 0x00);
    }
    }



    peddle2 = digitalRead(5);
    if (peddle2 != lastpeddle2) {
    if (peddle2 == 1) {
    noteOn(0x99, 44, 0x7F);
    noteOn(0x99, 44, 0x00);
    hiHat = 1;
    }
    else {
    hiHat = 0;
    }
    }
    else {
    if (peddle2 == 1) {
    hiHat = 1;
    }
    else {
    hiHat = 0;
    }
    }


    lastpeddle = peddle;
    lastpeddle2 = peddle2;

    delay(50);
    }

    void noteOn(byte cmd, byte data1, byte data2) {
    Serial.write(cmd);
    Serial.write(data1);
    Serial.write(data2);
    }

    0
    None
    roycetaft

    6 years ago on Introduction

    College has been keeping me pretty busy, so this project has gradually come to a halt. I can post the source code as another comment if anyone asks.
    Here are the links to the parts I purchased:

    For use with an Arduino Duemilanove:
    http://www.cutedigi.com/arduino/atmega328-with-arduino-bootloader-duemilanove-bootloader.html
    -OR-
    For use with an Arduino Uno:
    http://www.cutedigi.com/arduino/atmega328-with-arduino-bootloader-uno-bootloader.html

    DIP Socket for atmega328p:
    http://www.cutedigi.com/arduino/atmega328p-dip-socket-for-arduino.html

    16 MHz Crystal:
    http://www.cutedigi.com/arduino/crystal-16mhz.html

    Power Regulator:
    http://www.cutedigi.com/arduino/wall-adapter-barrel-to-5v-and-3-3v-breadboard-supply.html

    22 pF Capacitor (x2):
    http://www.cutedigi.com/component/capacitor/capacitor-ceramic-22pf.html

    Perf Board to solder it all to:
    http://www.radioshack.com/product/index.jsp?productId=2103798

    MIDI cable:
    http://www.musiciansfriend.com/accessories/hosa-midi-cable

    And of course, a rockband drumset (it shouldn't matter if it's xbox 360, wii, playstation 2 or 3):
    http://www.ebay.com/sch/i.html?_from=R40&_sacat=0&_nkw=rock%20band%20drum%20set&_fscr=1

    I can't remember what resistors I used to pull down the analog inputs for the drum triggers.  I'm sure they're interchangeable, and in hindsight, potentiometers would probably would have been a good idea to adjust the sensitivity of the triggers. 

    Since this video, I added support for a second foot pedal and reprogrammed the chip to output different midi notes to utilize a hihat sound.  The second pedal decides whether the hihat makes a closed or open sound.

    This entire project cost me around $50.  I don't have a schematic, but the wiring is pretty self explanatory.

    The most important parts of this project are modified from the following tutorial:
    http://arduino.cc/en/Tutorial/Midi

    If anyone improves or expands on this project, keep me in the loop.  I'd like to see what others can do and learn from them.

    -Royce