Bluetooth Heater Boiler

1#include <SoftwareSerial.h>
2#define NOTE_G6  1568
3#define NOTE_B7  3951
4
5int const rele = 5; //entrada para o Relé
6int const rxd = 2;
7int  const txd = 3;
8int const buzzer = 10;
9
10int dadobluetooth = 0;
11
12SoftwareSerial  bluetooth(rxd, txd);
13
14void setup() {
15  Serial.begin(9600);
16  bluetooth.begin(9600);
17  delay(100);
18  pinMode(rele, OUTPUT);
19  pinMode(buzzer, OUTPUT);
20  digitalWrite(rele,  HIGH);
21}
22
23void loop() {
24  if(bluetooth.available()){
25    
26    dadobluetooth  = bluetooth.read();
27    
28    if(dadobluetooth == '1'){
29      digitalWrite(rele,  LOW);
30      tom(NOTE_G6, 350);
31      tom(NOTE_B7, 200);
32      Serial.println("Rabo  ta quente");
33      bluetooth.println("Rabo ta quente");
34    }
35    
36    if(dadobluetooth == '0'){
37      digitalWrite(rele, HIGH);
38      tom(NOTE_B7,  350);
39      tom(NOTE_G6, 200);
40      Serial.println("Rabo ta esfriando");
41      bluetooth.println("Rabo ta esfriando");
42    }
43    
44  }
45}
46
47void  tom(int frequencia, int duracao){
48  tone(buzzer, frequencia, duracao);
49  delay(duracao);
50  noTone(buzzer);
51  delay(50);
52}
53