diff --git a/FlammableGasSensor/arduino/gassensor_reva/gassensor_reva.ino b/FlammableGasSensor/arduino/gassensor_reva/gassensor_reva.ino
index 419c446..ab7f5a7 100644
--- a/FlammableGasSensor/arduino/gassensor_reva/gassensor_reva.ino
+++ b/FlammableGasSensor/arduino/gassensor_reva/gassensor_reva.ino
@@ -12,6 +12,7 @@
 #define LED8 8
 
 #define Sensor A6
+#define SPKR 5
 
 uint16_t gasVAL;
 
@@ -28,6 +29,7 @@ pinMode(LED6, OUTPUT);
 pinMode(LED7, OUTPUT);
 pinMode(LED8, OUTPUT);
 
+pinMode(SPKR, OUTPUT);
 
 Startup();
 
@@ -45,12 +47,27 @@ delay(30);
 
 void Startup (void){
 
+Serial.println("Flammable Gas Sensor");
+Serial.println("Begin");
+
+int yy = 0;
+for(yy=200;yy<1200;yy+=150){
+  tone(SPKR,yy,100);
+  delay(100);
+}
+/*
+for(yy=2000;yy>100;yy-=100){
+  tone(SPKR,yy,100);
+  delay(50);
+}*/
+
+
 digitalWrite(LED1,HIGH);
 digitalWrite(LED2,HIGH);
 digitalWrite(LED3,HIGH);
 digitalWrite(LED4,HIGH);
 
-delay(1000);
+delay(500);
 digitalWrite(LED1,LOW);
 digitalWrite(LED2,LOW);
 digitalWrite(LED3,LOW);
@@ -61,13 +78,14 @@ digitalWrite(LED6,HIGH);
 digitalWrite(LED7,HIGH);
 digitalWrite(LED8,HIGH);
 
-delay(1000);
+delay(500);
 digitalWrite(LED5,LOW);
 digitalWrite(LED6,LOW);
 digitalWrite(LED7,LOW);
 digitalWrite(LED8,LOW);
 
 
+
 }
 
 void lightLED( uint16_t reading){
@@ -81,6 +99,7 @@ if (reading >= 750){
   digitalWrite(LED6,HIGH);
   digitalWrite(LED7,HIGH);
   digitalWrite(LED8,HIGH);
+  tone(SPKR,750,100);
 }
 else if (reading >= 700){
   digitalWrite(LED1,HIGH);
@@ -91,6 +110,7 @@ else if (reading >= 700){
   digitalWrite(LED6,HIGH);
   digitalWrite(LED7,HIGH);
   digitalWrite(LED8,LOW);
+  tone(SPKR,700,100);
 }
 else if (reading >= 650){
   digitalWrite(LED1,HIGH);
@@ -101,6 +121,7 @@ else if (reading >= 650){
   digitalWrite(LED6,HIGH);
   digitalWrite(LED7,LOW);
   digitalWrite(LED8,LOW);
+  tone(SPKR,650,100);
 }
 else if (reading >= 600){
   digitalWrite(LED1,HIGH);
@@ -111,6 +132,7 @@ else if (reading >= 600){
   digitalWrite(LED6,LOW);
   digitalWrite(LED7,LOW);
   digitalWrite(LED8,LOW);
+  tone(SPKR,600,100);
 }
 else if (reading >= 550){
   digitalWrite(LED1,HIGH);
@@ -121,6 +143,7 @@ else if (reading >= 550){
   digitalWrite(LED6,LOW);
   digitalWrite(LED7,LOW);
   digitalWrite(LED8,LOW);
+  tone(SPKR,550,100);
 }
 else if (reading >= 500){
   digitalWrite(LED1,HIGH);
@@ -131,8 +154,9 @@ else if (reading >= 500){
   digitalWrite(LED6,LOW);
   digitalWrite(LED7,LOW);
   digitalWrite(LED8,LOW);
+  tone(SPKR,500,100);
 }
-else if (reading >= 450){ 
+else if (reading >= 410){ 
   digitalWrite(LED1,HIGH);
   digitalWrite(LED2,HIGH);
   digitalWrite(LED3,LOW);
@@ -141,8 +165,9 @@ else if (reading >= 450){
   digitalWrite(LED6,LOW);
   digitalWrite(LED7,LOW);
   digitalWrite(LED8,LOW);
+  tone(SPKR,410,100);
 }
-else if (reading >= 400){
+else if (reading >= 300){
   digitalWrite(LED1,HIGH);
   digitalWrite(LED2,LOW);
   digitalWrite(LED3,LOW);
@@ -152,7 +177,17 @@ else if (reading >= 400){
   digitalWrite(LED7,LOW);
   digitalWrite(LED8,LOW);
 }
-else {
+else if (reading >= 0){
+  digitalWrite(LED1,LOW);
+  digitalWrite(LED2,LOW);
+  digitalWrite(LED3,LOW);
+  digitalWrite(LED4,LOW);
+  digitalWrite(LED5,LOW);
+  digitalWrite(LED6,LOW);
+  digitalWrite(LED7,LOW);
+  digitalWrite(LED8,LOW);
+}
+/*else {
   digitalWrite(LED1,HIGH);
   digitalWrite(LED2,LOW);
   digitalWrite(LED3,HIGH);
@@ -161,7 +196,7 @@ else {
   digitalWrite(LED6,LOW);
   digitalWrite(LED7,HIGH);
   digitalWrite(LED8,LOW);
-}
+}*/