├── .travis.yml
├── README.md
├── cloud_data_logger
    └── cloud_data_logger.ino
└── dht_test
    └── dht_test.ino


/.travis.yml:
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 1 | language: c
 2 | sudo: false
 3 | before_install:
 4 |   - source <(curl -SLs https://raw.githubusercontent.com/adafruit/travis-ci-arduino/master/install.sh)
 5 | install:
 6 |   - arduino --install-library "DHT sensor library"
 7 | script:
 8 |   - build_platform esp8266
 9 | notifications:
10 |   email:
11 |     on_success: change
12 |     on_failure: change


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/README.md:
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1 | # Cloud Temperature Logger with the ESP8266	 [![Build Status](https://travis-ci.org/openhomeautomation/esp8266-cloud.svg)](https://travis-ci.org/openhomeautomation/esp8266-cloud)
2 | 
3 | Cloud temperature logger using the ESP8266 chip with Dweet.io & Freedboard.io
4 | 
5 | You can find the article on our website:
6 | 
7 | [https://www.openhomeautomation.net/cloud-temperature-logger-esp8266/](https://www.openhomeautomation.net/cloud-temperature-logger-esp8266/)
8 | 


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/cloud_data_logger/cloud_data_logger.ino:
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 1 | // Import required libraries
 2 | #include "ESP8266WiFi.h"
 3 | #include "DHT.h"
 4 | 
 5 | // WiFi parameters
 6 | const char* ssid = "your_wifi_network";
 7 | const char* password = "your_wifi_password";
 8 | 
 9 | // Pin
10 | #define DHTPIN 5
11 | 
12 | // Use DHT11 sensor
13 | #define DHTTYPE DHT11
14 | 
15 | // Initialize DHT sensor
16 | DHT dht(DHTPIN, DHTTYPE, 15);
17 | 
18 | // Host
19 | const char* host = "dweet.io";
20 | 
21 | void setup() {
22 |   
23 |   // Start Serial
24 |   Serial.begin(115200);
25 |   delay(10);
26 |   
27 |   // Init DHT 
28 |   dht.begin();
29 | 
30 |   // We start by connecting to a WiFi network
31 |   Serial.println();
32 |   Serial.println();
33 |   Serial.print("Connecting to ");
34 |   Serial.println(ssid);
35 |   WiFi.begin(ssid, password);
36 |   while (WiFi.status() != WL_CONNECTED) {
37 |     delay(500);
38 |     Serial.print(".");
39 |   }
40 | 
41 |   Serial.println("");
42 |   Serial.println("WiFi connected");  
43 |   Serial.println("IP address: ");
44 |   Serial.println(WiFi.localIP());
45 | }
46 | 
47 | void loop() {
48 |  
49 |   Serial.print("Connecting to ");
50 |   Serial.println(host);
51 |   
52 |   // Use WiFiClient class to create TCP connections
53 |   WiFiClient client;
54 |   const int httpPort = 80;
55 |   if (!client.connect(host, httpPort)) {
56 |     Serial.println("connection failed");
57 |     return;
58 |   }
59 |   
60 |   // Reading temperature and humidity
61 |   int h = dht.readHumidity();
62 |   // Read temperature as Celsius
63 |   int t = dht.readTemperature();
64 |   
65 |   // This will send the request to the server
66 |   client.print(String("GET /dweet/for/myesp8266?temperature=") + String(t) + "&humidity=" + String(h) + " HTTP/1.1\r\n" +
67 |                "Host: " + host + "\r\n" + 
68 |                "Connection: close\r\n\r\n");
69 |   delay(10);
70 |   
71 |   // Read all the lines of the reply from server and print them to Serial
72 |   while(client.available()){
73 |     String line = client.readStringUntil('\r');
74 |     Serial.print(line);
75 |   }
76 |   
77 |   Serial.println();
78 |   Serial.println("closing connection");
79 |   
80 |   // Repeat every 10 seconds
81 |   delay(10000);
82 |  
83 | }
84 | 
85 | 


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/dht_test/dht_test.ino:
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 1 | // Libraries
 2 | #include "DHT.h"
 3 | 
 4 | // Pin
 5 | #define DHTPIN 5
 6 | 
 7 | // Use DHT11 sensor
 8 | #define DHTTYPE DHT11
 9 | 
10 | // Initialize DHT sensor
11 | DHT dht(DHTPIN, DHTTYPE, 15);
12 | 
13 | void setup() {
14 | 
15 |   // Start Serial  
16 |   Serial.begin(115200); 
17 |  
18 |   // Init DHT 
19 |   dht.begin();
20 | }
21 | 
22 | void loop() {
23 | 
24 |   // Reading temperature and humidity
25 |   float h = dht.readHumidity();
26 |   // Read temperature as Celsius
27 |   float t = dht.readTemperature();
28 | 
29 |   // Display data
30 |   Serial.print("Humidity: "); 
31 |   Serial.print(h);
32 |   Serial.print(" %\t");
33 |   Serial.print("Temperature: "); 
34 |   Serial.print(t);
35 |   Serial.println(" *C ");
36 |   
37 |    // Wait a few seconds between measurements.
38 |   delay(2000);
39 | 
40 | }
41 | 


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