//Sound according to every character
void loop()
{
char inChar = 0;
char inData[100] = "";
String variable = "";
String variable1 = "";
int index1 = 0;
if ( Serial.available() > 0 ) {
while (Serial.available() > 0 && index1 < 100)
{
delay(100);
inChar = Serial.read();
inData[index1] = inChar;
index1++;
inData[index1] = '\0';
}
variable.toUpperCase();
for (byte i = 0 ; i < 100 ; i++) {
variable.concat(String(inData[i]));
}
delay(20);