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  <script type="text/javascript" src="../webduino-js/src/module/Max7219.js"></script>
  (function() {
    var proto = Object.create(HTMLElement.prototype, {
      din: {
        get: function() {
          return this.getAttribute('din');
        set: function(val) {
          this.setAttribute('din', val);
      cs: {
        get: function() {
          return this.getAttribute('cs');
        set: function(val) {
          this.setAttribute('cs', val);
      clk: {
        get: function() {
          return this.getAttribute('clk');
        set: function(val) {
          this.setAttribute('clk', val);
      state: {
        get: function() {
          return this.getAttribute('state');
        set: function(val) {
          this.setAttribute('state', val);
      intensity: {
        get: function() {
          return this.getAttribute('intensity');
        set: function(val) {
          this.setAttribute('intensity', val);
      data: {
        get: function() {
          return this.getAttribute('data');
        set: function(val) {
          this.setAttribute('data', val);
    proto.init_ = function(board) {
      var observer, config,
        Max7219 = webduino.module.Max7219;
      this.max7219 = new Max7219(board, board.getDigitalPin(this.din), board.getDigitalPin(this.cs), board.getDigitalPin(this.clk));
      this.off();
      if (this.state === 'on' && this.data) {
        this.on(this.data);
      if (this.intensity) {
        this.max7219.intensity = this.intensity;
    proto.on = function(data) {
      if (data) {
        this.max7219.on(data);
      } else {
        this.max7219.on();
    proto.off = function() {
      this.animateStop();
      this.max7219.off();
    proto.animate = function(data, times, duration, callback) {
      this.max7219.animate(data, times, duration, callback);
    proto.animateStop = function() {
      this.max7219.animateStop();
    proto.attributeChangedCallback = function(attrName, oldVal, newVal) {
      if (this.max7219) {
        switch (attrName) {
          case 'state':
            newVal === "on" ? this.on() : this.off();
            break;
          case 'intensity':
            this.max7219.intensity = newVal;
            break;
    document.registerElement('wa-max7219', {
      prototype: proto
  </script>

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