Hcbvp2hu

1 sensors.begin();#include <WiFi.h>
2#include <OneWire.h>
3#include <DallasTemperature.h>
4#include <Arduino.h>
5#include "DHT.h"
6#define DHTPIN 32
7#define oneWireBus  33
8#define DHTTYPE DHT22
9#define moistPin  35
10#define LDRPin  34
11int LDRValue = 0;
12int moistVal;
13float soilTemp, t, h, moisture, light;
14DHT dht(DHTPIN, DHTTYPE);
15OneWire oneWire(oneWireBus);
16DallasTemperature sensors(&oneWire);
17
18String apiKey = "I0ESQ19COY10AIUJ";                  //  Enter your Write API key from ThingSpeak
19const char *ssid =  "Mi A2 Lite-Shoaib";                                    // replace with your wifi ssid and wpa2 key
20const char *pass =  "D01234567890";
21const char* server = "api.thingspeak.com";
22
23
24WiFiClient client;
25void setup()
26{
27  Serial.begin(115200);
28  delay(10);
29  dht.begin();
30  sensors.begin();
31  Serial.println("Connecting to ");
32  Serial.println(ssid);
33  WiFi.begin(ssid, pass);
34  while (WiFi.status() != WL_CONNECTED)
35  {
36    delay(500);
37    Serial.print(".");
38  }
39  Serial.println("");
40  Serial.println("WiFi connected");
41
42}
43void loop() {
44  getSensorValues();
45  delay(15000);
46  if (client.connect(server, 80))                                //   "184.106.153.149" or api.thingspeak.com
47  {
48    Serial.println("Connected to server");
49    String postStr = apiKey;
50    postStr += "&field1=";
51    postStr += String(soilTemp);
52    postStr += "&field2=";
53    postStr += String(t);
54    postStr += "&field3=";
55    postStr += String(h);
56    postStr += "&field4=";
57    postStr += String(moisture);
58    postStr += "&field5=";
59    postStr += String(light);
60    postStr += "\r\n\r\n";
61
62    client.print("POST /update HTTP/1.1\n");
63    client.print("Host: api.thingspeak.com\n");
64    client.print("Connection: close\n");
65    client.print("X-THINGSPEAKAPIKEY: " + apiKey + "\n");
66    client.print("Content-Type: application/x-www-form-urlencoded\n");
67    client.print("Content-Length: ");
68    client.print(postStr.length());
69    client.print("\n\n");
70    client.print(postStr);
71    Serial.println(postStr);
72    Serial.println("Posted");
73    
74
75  }
76  client.stop();
77}
78
79
80void getSensorValues() {
81  sensors.requestTemperatures();
82  soilTemp = sensors.getTempCByIndex(0);
83  h = dht.readHumidity();
84  t = dht.readTemperature();
85  if (isnan(h) || isnan(t)) {
86    Serial.println(F("Failed to read from DHT sensor!")); //print to server
87    return;
88  }
89  light = analogRead(LDRPin); // read the value from the LDR
90  moisture = analogRead(moistPin);
91}