diff --git a/M2/M2.ino b/M2/M2.ino
index 6161590..b81ce20 100644
--- a/M2/M2.ino
+++ b/M2/M2.ino
@@ -139,15 +139,11 @@ void powerOffHandler(Event& e) {
 
 void attentionHandler(Event& e) {
   M5.Axp.SetLDOEnable(3, true);
-  delay(50);
+  delay(80);
   M5.Axp.SetLDOEnable(3, false);  
   if(DATA_MODE == ATTENTION){
-    Serial2.print("0");
     DATA_MODE = STOP;
-    Serial.println("Stopping");
   }else{
-    delay(50);
-    Serial2.print("1");
     DATA_MODE = ATTENTION;
     Serial.println("in ATTENTION");
   }
@@ -156,15 +152,11 @@ void attentionHandler(Event& e) {
 
 void meditationHandler(Event& e) {
   M5.Axp.SetLDOEnable(3, true);
-  delay(50);
+  delay(80);
   M5.Axp.SetLDOEnable(3, false);  
   if(DATA_MODE == MEDITATION){
-    Serial2.print("0");
     DATA_MODE = STOP;
-    Serial.println("Stopping");
   }else{
-    delay(50);
-    Serial2.print("2");
     DATA_MODE = MEDITATION;
     Serial.println("in MEDITATION");
   }
@@ -173,15 +165,11 @@ void meditationHandler(Event& e) {
 
 void qualityHandler(Event& e) {
   M5.Axp.SetLDOEnable(3, true);
-  delay(50);
+  delay(80);
   M5.Axp.SetLDOEnable(3, false);  
   if(DATA_MODE == QUALITY){
-    Serial2.print("0");
     DATA_MODE = STOP;
-    Serial.println("Stopping");
   }else{
-    delay(50);
-    Serial2.print("3");
     DATA_MODE = QUALITY;
     Serial.println("in QUALITY");
   }
@@ -190,16 +178,13 @@ void qualityHandler(Event& e) {
 
 void rawHandler(Event& e) {
   M5.Axp.SetLDOEnable(3, true);
-  delay(50);
+  delay(80);
   M5.Axp.SetLDOEnable(3, false);  
   if(DATA_MODE == RAW){
-    Serial2.print("0");
     DATA_MODE = STOP;
-    Serial.println("Stopping");
   }else{
-    delay(50);
-    Serial2.print("4");
     DATA_MODE = RAW;
+    Serial.println("in RAW");
   }
   drawGui(COLOR_MODE);
 }
@@ -233,29 +218,24 @@ void writeScreenData(dataMode DATA_MODE, screenMode COLOR_MODE, int data){
 
 String stringReceived = "";
 int valueReceived = 0;
+int valuesReceived[4];
 
 void loop() {
-  //M5.update();
-  if(Serial2.available()){
+  M5.update();
+  while(Serial2.available())
+  {
     char c = Serial2.read();
-    //Serial.print(c);
+    Serial.print(c);
+    Serial.println;
     stringReceived += c;
-  if (stringReceived.length() == 17) {
-    Serial.println("s:"+stringReceived);
-    String rawData = stringReceived.substring(9);
-    /*int r = 8;
-    while (r < 17){
-      rawData += stringReceived[r];
-      r++;
-    }*/
-    Serial.println("r:" +rawData);
-    //valueReceived = stringReceived.toInt();
-    //Serial.println(valueReceived);      
-    stringReceived = "";
-    //valueReceived= 0;
-  } else {
-    //stringReceived = "";
-  }
-  //writeScreenData(DATA_MODE, COLOR_MODE, valueReceived);
+    if (stringReceived.length() == 17) {
+      Serial.println("s:"+stringReceived);
+      valuesReceived[RAW] = {}stringReceived.substring(9);
+      valuesReceived[QUALITY] = {}stringReceived.substring(6);
+      valuesReceived[MEDITATION] = {}stringReceived.substring(3);
+      valuesReceived[ATTENTION] = {}stringReceived.substring(0);
+      Serial.printf("a:%3d m:%3d q:%3d r:%+8d\n",valuesReceived[ATTENTION],valueReceived[MEDITATION],valueReceived[QUALITY],valuesReceived[RAW]);    
+      stringReceived = "";
+    }
   }
 }
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