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Smart Home/Smart Room Thermometer/Smart_Room_Thermometer/Smart_Room_Thermometer.ino

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+#include <ESP8266WiFi.h>
+#include <WiFiUdp.h>
+#include <WiFiClient.h>
+#include <ESP8266WebServer.h>
+#include <ESP8266HTTPUpdateServer.h>
+#include <ESP8266HTTPClient.h>
+
+#include "DHT.h"
+
+#define DHTTYPE DHT11
+#define DHTpin 14
+
+ESP8266WebServer httpServer(80);
+ESP8266HTTPUpdateServer httpUpdater;
+
+DHT dht(DHTpin, DHTTYPE);
+
+int counter = 0;
+
+float humidity = 0;
+float temperature = 0;
+
+unsigned long lastSensorRead = 0;
+unsigned long sensorReadDelay = 1000;
+
+void setup() {
+   Serial.begin(115200);
+
+  analogWriteRange(255);
+  
+  dht.begin();
+
+  bool success = SPIFFS.begin();
+  if (!success) Serial.println("Error mounting the file system");
+
+  connectToWifi();
+}
+
+void loop() {
+  if ((millis() - lastSensorRead) > sensorReadDelay) {
+    lastSensorRead = millis();
+
+    float tmp = dht.readTemperature();
+    if (tmp != temperature) updateTemperature(tmp);
+
+    float hmd = dht.readHumidity();
+    if (hmd != humidity) updateHumidity(hmd);
+  }
+  
+  httpServer.handleClient();
+}
+
+
+void connectToWifi() {
+  Serial.print("Connecting");
+
+  IPAddress staticIP(192, 168, 1, 160);
+  IPAddress gateway(192, 168, 1, 1);
+  IPAddress subnet(255, 255, 255, 0);
+  IPAddress dns(192, 168, 1, 1);
+  IPAddress dns2(8, 8, 8, 8);
+
+  const char* deviceName = "MakeItSmart_Smart_Thermometer";
+  const char *ssid     = "**********Your_SSID************";
+  const char *password = "********Your Password**********";
+
+  WiFi.hostname(deviceName);
+  WiFi.config(staticIP, gateway, subnet, dns, dns2);
+
+  WiFi.mode(WIFI_AP_STA);
+  WiFi.begin(ssid, password);
+
+  int counter = 0;
+  while (WiFi.status() != WL_CONNECTED && counter++ < 20) {
+    delay(500);
+    Serial.print(".");
+  }
+  if (WiFi.status() != WL_CONNECTED) ESP.restart();
+
+  Serial.print("IP:");
+  Serial.println(WiFi.localIP());
+
+  httpUpdater.setup(&httpServer);
+  httpServer.on("/getHumidity", getHumidity);
+  httpServer.on("/getTemperature", getTemperature);
+  httpServer.on("/get_device_type", get_device_type);  
+  httpServer.begin();
+
+  Serial.print("IP:");
+  Serial.println(WiFi.localIP());
+
+  delay(3000);
+}
+
+void updateTemperature(float value) {
+  temperature = value ;
+  //temperature = random(-20, 80); //value ;
+}
+
+void updateHumidity(float value) {
+  humidity = value;
+  //humidity = random(0, 100); //value;
+}
+
+//---------------------------------Http Functions---------------------------------------------------------------
+
+void getHumidity(){
+  httpServer.send(200, "text/plain", /*"hum : " +*/ String(humidity));  
+}
+
+void getTemperature(){
+  httpServer.send(200, "text/plain", /*"temp : " +*/ String(temperature));  
+}
+
+void get_device_type(){
+  httpServer.send(200, "text/plain", "Thermometer");
+}