int ledblue=12;
int tx=1;
int rx=0;
char inSerial[15];

void setup(){
Serial.begin(9600);
pinMode(ledblue, OUTPUT);
pinMode(tx, OUTPUT);
pinMode(rx, INPUT);
allpinslow();
}

void loop(){
int i=0;
int m=0;
delay(500);
if (Serial.available() > 0) {
while (Serial.available() > 0) {
inSerial[i]=Serial.read();
i++;
}
inSerial[i]='\0';
Check_Protocol(inSerial);
}}

void allpinslow()
{
digitalWrite(ledblue, HIGH);
digitalWrite(ledblue, LOW);
}

void Check_Protocol(char inStr[]){
int i=0;
int m=0;
Serial.println(inStr);
if(!strcmp(inStr,"2off")){ //Led Off
allpinslow();
digitalWrite(ledblue, LOW);
Serial.println("Blue Off");
for(m=0;m<11;m++){
inStr[m]=0;}
i=0;}
if(!strcmp(inStr,"2on")){ //Led on
allpinslow();
digitalWrite(ledblue, HIGH);
Serial.println("Blue on");
for(m=0;m<11;m++){
inStr[m]=0;}
i=0;}
else{
for(m=0;m<11;m++){
inStr[m]=0;
}
i=0;
}}