hHLYq7u5

1//Welcome to the E for Engineer
2#include <DHT.h> //  DHT.h library
3#include <ESP8266WiFi.h> // ESP8266WiFi.h library
4
5int sensor=2;
6float soilvalue=0;
7#define DHTPIN 0        //Not D0 Pin it is D3 Pin, Here 0 means GPIO 0.
8#define DHTTYPE  DHT11
9#define PIN 14
10
11const char* ssid     = "supernova";// replace subscribe with your WiFi SSID(Name)
12const char* password = "12345678";//replace with Your Wifi Password name
13const char* host = "api.thingspeak.com";
14const char* writeAPIKey = "IWSPQLEBT1EKDTSK"; //copy yout ThingSpeak channel API Key.
15
16DHT dht(DHTPIN, DHTTYPE, 15);
17
18void setup() {
19  // Initialize sensor
20  pinMode(PIN,OUTPUT);
21  pinMode(sensor,INPUT);
22 Serial.begin(115200);
23 dht.begin();
24  delay(1000);
25 Serial.println("Connecting to ");
26       Serial.println(ssid);
27//  Connect to WiFi network
28  WiFi.begin(ssid, password);
29  while (WiFi.status() != WL_CONNECTED) {
30    delay(500);
31    Serial.print(".");
32  }
33   Serial.println("");
34   Serial.println("WiFi connected");
35}
36
37void loop() {
38  Serial.println("Y1");
39 float humidity = dht.readHumidity();
40 float temperature = dht.readTemperature();
41 soilvalue=analogRead(sensor);
42
43/*  if (isnan(humidity) || isnan(temperature)) {
44    return;
45  }*/
46  soilvalue=(100-((soilvalue/1023)*100));
47  if(soilvalue<50)
48  {
49    digitalWrite(PIN,HIGH);
50    }
51Serial.println("Y2");
52// make TCP connections
53  WiFiClient client;
54  const int httpPort = 80;
55  if (!client.connect(host, httpPort)) {
56    return;
57  }
58
59  String url = "/update?key=";
60  url+=writeAPIKey;
61  url+="&field1=";
62  url+=String(temperature);
63  url+="&field2=";
64  url+=String(humidity);
65  url+="&field3=";
66  url+=String(soilvalue);
67  url+="\r\n";
68  
69  // Request to the server
70  client.print(String("GET ") + url + " HTTP/1.1\r\n" +
71               "Host: " + host + "\r\n" + 
72               "Connection: close\r\n\r\n");
73  Serial.print("Temperature:");
74  Serial.print(temperature);
75  Serial.print("\n");
76  Serial.print("Humidity:");
77  Serial.println(humidity);
78  Serial.print("Soil moisture:");
79  Serial.println(soilvalue);
80  Serial.println("Send to ThingSpeak.\n");
81client.stop();
82  Serial.println("Wait for 15 sec to update next datapack in thingSpeak");
83    delay(1000);
84 
85}