#include <SoftwareSerial.h>

SoftwareSerial bluetooth(2, 3);

void setup() {
  Serial.begin(9600);
  bluetooth.begin(9600);
}

void loop() {
  if (Serial.available()) {
    char r = Serial.read();
    bluetooth.print(r);
  }
  
  if (bluetooth.available()) {
  Serial.println("Chegou algo!");
  char r = bluetooth.read();
  Serial.print(r);
  }
}