diff --git a/Shapes.h b/Shapes.h
index 0594e82..587c376 100755
--- a/Shapes.h
+++ b/Shapes.h
@@ -1,47 +1,42 @@
 #ifndef Shapes_h
 #define Shapes_h
 
+struct Frame
+{
+    String name;
+    unsigned int data[7][3];
+}
+typedef Frame;
+
 //***********************************************************************************
 //*********************************MOUTHS DEFINES************************************
 //***********************************************************************************
 
-
-const int zeros[7][3] = {
-{0,0,0},
-{0,0,0},
-{0,0,0},
-{0,0,0},
-{0,0,0},
-{0,0,0},
-{0,0,0},
+const Frame shapes[] = {
+  {
+    "zeros",
+    {
+       {0,0,0},
+       {0,0,0},
+       {0,0,0},
+       {0,0,0},
+       {0,0,0},
+       {0,0,0},
+       {0,0,0},
+    }
+  },
+  {
+    "happySimple",
+    {
+      {0,0,0},
+      {0,150,0},
+      {0,150,0},
+      {0,150,0},
+      {0,150,0},
+      {0,0,0},
+      {0,0,0},
+    }
+  }
 };
 
-const int happySimple[7][3] = {
-{0,0,0},
-{0,150,0},
-{0,150,0},
-{0,150,0},
-{0,150,0},
-{0,0,0},
-{0,0,0},
-};
-
-const int testing[7][3] = {
-{0,0,0},
-{0,150,0},
-{0,150,0},
-{0,150,0},
-{0,150,0},
-{0,0,0},
-{0,0,0},
-};
-
-
-//giving all moths a unique ID
-
-#define M_ZERO 				  0
-#define M_HAPPY_SIMPLE   1
-#define M_TESTING       2
-
-
 #endif
diff --git a/SimpleExpressions.cpp b/SimpleExpressions.cpp
index d29f8b5..8358ab4 100755
--- a/SimpleExpressions.cpp
+++ b/SimpleExpressions.cpp
@@ -1,29 +1,19 @@
 #include "Arduino.h"
 #include "SimpleExpressions.h"
 
-
-
 void SimpleExpressionsClass::init(int mouthPin, int buzzerPin) {
   mouth = Adafruit_NeoPixel(7, mouthPin, NEO_GRB + NEO_KHZ800);
   pinBuzzer = buzzerPin;
-
+  pinMode(buzzerPin, OUTPUT);
   mouth.begin();
   mouth.show();
+
 }
 
 ///////////////////////////////////////////////////////////////////
-//-- MOUTHS & ANIMATIONS ----------------------------------------//
+//-- MOUTHS  ----------------------------------------//
 ///////////////////////////////////////////////////////////////////
 
-unsigned long int SimpleExpressionsClass::getMouthShape(int number){
-  unsigned long int types []={zero_code,one_code,two_code,three_code,four_code,five_code,six_code,seven_code,eight_code,
-  nine_code,smile_code,happyOpen_code,happyClosed_code,heart_code,bigSurprise_code,smallSurprise_code,tongueOut_code,
-  vamp1_code,vamp2_code,lineMouth_code,confused_code,diagonal_code,sad_code,sadOpen_code,sadClosed_code,
-  okMouth_code, xMouth_code,interrogation_code,thunder_code,culito_code,angry_code};
-
-  return types[number];
-}
-
 
 unsigned long int SimpleExpressionsClass::getAnimShape(int anim, int index){
 
@@ -32,26 +22,22 @@ unsigned long int SimpleExpressionsClass::getAnimShape(int anim, int index){
 
 void SimpleExpressionsClass::putAnimationMouth(unsigned long int aniMouth, int index){
 
-      //ledmatrix.writeFull(getAnimShape(aniMouth,index));
 }
 
-void SimpleExpressionsClass::writeMouth(){
+void SimpleExpressionsClass::writeMouth(unsigned int mouthId){
+   if(mouthId > sizeof(shapes)/sizeof(Frame*)) {
+     if(debug) Serial.println('mouth does not exist');
+   }
+  writeMouthGeneric(shapes[mouthId].data);
+}
+
+void SimpleExpressionsClass::writeMouthGeneric(const unsigned int mouthArray[7][3]) {
   for(uint16_t i=0; i<7; i++) {
-    mouth.setPixelColor(i, mouth.Color(happySimple[i][0], happySimple[i][1], happySimple[i][2]));
+    mouth.setPixelColor(i, mouth.Color(mouthArray[i][0], mouthArray[i][1], mouthArray[i][2]));
   }
   mouth.show();
 }
 
-void SimpleExpressionsClass::putMouth(unsigned long int mouth, bool predefined){
-
-  if (predefined){
-    //ledmatrix.writeFull(getMouthShape(mouth));
-  }
-  else{
-    //ledmatrix.writeFull(mouth);
-  }
-}
-
 
 void SimpleExpressionsClass::clearMouth(){
   for(uint16_t i=0; i<mouth.numPixels(); i++) {
@@ -63,11 +49,43 @@ void SimpleExpressionsClass::clearMouth(){
 ///////////////////////////////////////////////////////////////////
 //-- SOUNDS -----------------------------------------------------//
 ///////////////////////////////////////////////////////////////////
-/*
+
 void SimpleExpressionsClass::_tone (float noteFrequency, long noteDuration, int silentDuration){
 
     // tone(10,261,500);
     // delay(500);
+    //
+    // #define anaPin 32
+/*
+#define digiPin 33
+#define beepPin 35
+
+int freq = 2000;
+int channel = 0;
+int resolution = 8;
+
+void setup() {
+pinMode(digiPin, INPUT_PULLUP);
+Serial.begin(115200);
+
+  ledcSetup(channel, freq, resolution);
+  ledcAttachPin(12, channel);
+    ledcWriteTone(channel, 440);
+}
+void loop() {
+  // put your main code here, to run repeatedly:
+Serial.print("AnalogValue: ");
+Serial.print(analogRead(anaPin));
+Serial.print(" DigitalValue: ");
+Serial.println(digitalRead(digiPin));
+if(!digitalRead(digiPin))ledcWrite(channel, 255);
+else ledcWrite(channel, 0);
+
+
+delay(50);
+
+}
+
 
       if(silentDuration==0){silentDuration=1;}
 
@@ -75,8 +93,9 @@ void SimpleExpressionsClass::_tone (float noteFrequency, long noteDuration, int
       delay(noteDuration);       //milliseconds to microseconds
       //noTone(PIN_Buzzer);
       delay(silentDuration);
+      */
 }
-
+/*
 
 void SimpleE::bendTones (float initFrequency, float finalFrequency, float prop, long noteDuration, int silentDuration){
 
diff --git a/SimpleExpressions.h b/SimpleExpressions.h
index 161349e..7d91b65 100755
--- a/SimpleExpressions.h
+++ b/SimpleExpressions.h
@@ -7,17 +7,20 @@
 
 #include "Shapes.h"
 
+#define debug true
+
+
 class SimpleExpressionsClass
 {
   public:
 
     void init(int mouthPin, int buzzerPin);
 
-    void writeMouth(int mouth);
+    void writeMouth(unsigned int mouth);
     void clearMouth();
 
-    void writeMouthRecolored(int mouth, u_int32 color);
-    void writeMouthGeneric(int[7][3] mouthArray);
+    void writeMouthRecolored(int mouth, uint32_t color);
+    void writeMouthGeneric(const unsigned int mouthArray[7][3]);
 
     void putAnimationMouth(unsigned long int anim, int index);
 
diff --git a/examples/mouth.ino b/examples/mouth.ino
index 3b9c96c..732a536 100644
--- a/examples/mouth.ino
+++ b/examples/mouth.ino
@@ -2,7 +2,7 @@
 
 void setup() {
   SimpleExpressions.init(13, 14);
-  SimpleExpressions.writeMouth();
+  SimpleExpressions.writeMouth(1);
 
 }