int ledPin = 13; // LED connected to digital pin 13
int ledPin1 = 12; // LED connected to digital pin 13
int inByte = 0; // incoming serial byte
char inChar = 'x';
void setup() {
Serial.begin(9600);
pinMode(ledPin, OUTPUT);
pinMode(ledPin1, OUTPUT);
}

int quiet_count = 0;

void loop()
{
inChar = Serial.read();

if(inChar == 'a') {
digitalWrite(ledPin, HIGH); // set the relay on
Serial.println("START pin 13");
Serial.print("char: ");
Serial.println( inChar);
//delay(1000); // wait for a second
inChar = 'x';

}
else if (inChar == 'b') {
digitalWrite(ledPin, LOW); // set the relay off
Serial.println("STOP pin 13");
Serial.print("char: ");
Serial.println( inChar);
inChar = 'x';
//delay(1000); // wait for a second
}
else if (inChar == 'c') {
digitalWrite(ledPin1, HIGH); // set the relay on
Serial.println("START pin 12");
Serial.print("char: ");
Serial.println( inChar);
//delay(1000); // wait for a second
inChar = 'x';
}
else if (inChar == 'd') {
digitalWrite(ledPin1, LOW); // set the relay off
Serial.println("STOP pin 12");
Serial.print("char: ");
Serial.println( inChar);
inChar = 'x';
//delay(1000);
}
// otherwise echo anything else sent to us
// while(Serial.available()) {
// inByte = Serial.read();
// Serial.print(inByte);
// }
delay(100);
}