/* Código para mostrar valor em dB */
const int Sensor1AI = 0; //Sensor Analogo Interno, Entrada A0
const int PinoDigital1 = 1; 
//#include <SoftwareSerial.h>
//SoftwareSerial mySerial(2,5);

//int Estado = 0;
int ValorSensor1 = 0;
int valorMayor1 = 0;
float volt1 = 0;
int dB1 = 0;


int cont = 0;
/* 
Board I2C / TWI pins
Uno       =   A4 (SDA), A5 (SCL)
 */


void setup() {

  Serial.begin(115200);

}
void loop()
{


while(cont < 10000)
{
ValorSensor1 = analogRead(Sensor1AI);
if(ValorSensor1 > valorMayor1)
{
valorMayor1 = ValorSensor1;
}

cont++;
}
cont = 0;
volt1 = valorMayor1/1023.0*4.53;
dB1 = 87.1*volt1 - 75,4;
if(dB1 < 0)
{
dB1 = 0;
}

Serial.print("DB: ");
Serial.println(dB1);

valorMayor1 = 0;

delay(100);

}