Temperature Monitor with IoT

1#define BLYNK_PRINT Serial
2#include <ESP8266WiFi.h>
3#include <BlynkSimpleEsp8266.h>
4
5#include  <OneWire.h>
6#include <DallasTemperature.h>
7#define ONE_WIRE_BUS 2
8OneWire  oneWire(ONE_WIRE_BUS);
9DallasTemperature sensors(&oneWire);
10
11#include "DHTesp.h"
12
13DHTesp  dht;
14
15
16char auth[] = "uGDn56XGhJS7TkEb0D_gAzkFL66czQDs";
17char ssid[]  = "y-home";
18char pass[] = "Yurdakul9988!";
19BlynkTimer timer;
20
21
22float  temp;
23int lowTemp;
24int hiTemp;
25float ambTemp;
26float ambHum;
27
28byte  notifState = 0;
29
30bool isFirstConnect = true;
31BLYNK_CONNECTED() {
32  if  (isFirstConnect) {
33    Blynk.syncAll();
34    isFirstConnect = false;
35  }
36}
37
38void  setup()
39{
40
41  Blynk.begin(auth, ssid, pass);
42  timer.setInterval(10000L,  tempSend);
43  timer.setInterval(5000L, probeSend);
44  timer.setInterval(10000L,  notifSend);
45  sensors.begin();
46  dht.setup(14, DHTesp::DHT11); // Connect  DHT sensor to GPIO 17
47}
48
49BLYNK_WRITE(V1) {
50  byte value = param.asInt();
51  lowTemp = value;
52}
53
54BLYNK_WRITE(V2) {
55  byte value = param.asInt();
56  hiTemp = value;
57}
58
59BLYNK_WRITE(V3) {
60  byte value = param.asInt();
61  notifState = value;
62}
63
64void tempSend() {
65
66  float humidity = dht.getHumidity();
67  float temperature = dht.getTemperature();
68
69  ambTemp = temperature;
70  ambHum = humidity;
71  Blynk.virtualWrite(V11, ambTemp);
72  Blynk.virtualWrite(V12,  ambHum);
73
74  // Blynk.setProperty(V0, "color", "#FF0000");
75  // Blynk.setProperty(V0,  "color", "#00FF00");
76}
77
78void probeSend() {
79  sensors.requestTemperatures();
80  temp = sensors.getTempCByIndex(0);
81  Blynk.virtualWrite(V10, temp);
82}
83
84void  notifSend() {
85  if (notifState == 1 && ambTemp >= hiTemp) {
86    Blynk.notify("Oda  sicakligi cok yusek!");
87    delay(300);
88    Blynk.virtualWrite(V3, 0);
89    notifState = 0;
90  }
91  if (notifState == 1 && ambTemp <= lowTemp) {
92    Blynk.notify("Oda sicakligi cok dusuk!");
93    delay(300);
94    Blynk.virtualWrite(V3,  0);
95    notifState = 0;
96  }
97}
98
99
100void loop()
101{
102  Blynk.run();
103  timer.run();
104}