int charge = 0;

void SendString(byte InstrNo, int MValue) {
 Serial.print('#');
 Serial.print(InstrNo);
 Serial.print('M');
 Serial.print(MValue);
  Serial.print('<');
}


// the setup routine runs once when you press reset:
void setup() {
  // initialize serial communication at 9600 bits per second:
  Serial.begin(9600);
}

// the loop routine runs over and over again forever:
void loop() {
  // read the input on analog pin 0:
  int sensorValue = analogRead(A0);
  // print out the value you read:
  Serial.println(sensorValue);
  int charge = map(sensorValue,0,500,0,100);
//  Serial.println(charge);
//  delay(1000);

    SendString(1,charge);       // Instrument #01
    SendString(2,charge);       // Instrument #02
    SendString(3,charge);       // Instrument #03
    delay(100);
  }