NodeMcu Solar Weather Station

1//Alican Duran
2//D. ARGE Labs
3
4#include <DHT.h>
5#define DHTTYPE  DHT22
6#include <ESP8266WiFi.h>
7#include <Wire.h>
8#include <Adafruit_Sensor.h>
9#include  <Adafruit_BMP085_U.h>
10Adafruit_BMP085_Unified bmp = Adafruit_BMP085_Unified(10085);
11
12String  apiKey = "Yours apiKey";
13const char* ssid = "yours ssid";
14const char*  password = "Yours Password";
15const char* server = "api.thingspeak.com";
16#define  DHTPIN 0
17
18const int sleepTimeS = 1800; // duration of deep sleep in seconds
19
20DHT  dht(DHTPIN, DHT22, 2);
21WiFiClient client;
22
23int sensorPin = A0;
24int enable1  = 15;
25int enable2 = 13;
26
27int sensorValue1 = 0;
28int sensorValue2 = 0;
29
30void  setup() {
31
32  pinMode(enable1, OUTPUT);
33  pinMode(enable2, OUTPUT);
34
35  Serial.begin(115200);
36  delay(10);
37
38  dht.begin();
39
40  WiFi.begin(ssid,  password);
41
42  Serial.println();
43  Serial.println();
44  Serial.print("Connecting  to ");
45  Serial.println(ssid);
46  Serial.print("..........");
47  Serial.println();
48  WiFi.begin(ssid, password);
49
50  while (WiFi.status() != WL_CONNECTED) {
51    delay(500);
52
53  }
54  Serial.println("WiFi connected");
55  Serial.println();
56
57}
58
59void  loop() {
60
61  float h = dht.readHumidity();
62  float t = dht.readTemperature();
63
64
65  if (isnan(h) || isnan(t)) {
66    Serial.println("Failed to read from DHT sensor!");
67    return;
68  }
69
70
71  Serial.print("Temperature:      ");
72  Serial.print(t);
73  Serial.print(" degrees Celcius ");
74  Serial.println();
75
76  Serial.print("Humidity:         ");
77  Serial.print(h);
78  Serial.print("%");
79  Serial.println();
80
81  double gamma = log(h / 100) + ((17.62 * t) / (243.5 + t));
82  double dp = 243.5  * gamma / (17.62 - gamma);
83
84  Serial.print("Dew point:        ");
85  Serial.print(dp);
86  Serial.print(" degrees Celcius ");
87  Serial.println();
88
89  if (!bmp.begin())  {
90    Serial.print("Failed to read from BMP sensor!!");
91    while (1);
92  }
93
94  sensors_event_t event;
95  bmp.getEvent(&event);
96
97  Serial.print("Pressure:         ");
98  Serial.print(event.pressure);
99  Serial.println(" hPa");
100
101  float temperature;
102  bmp.getTemperature(&temperature);
103  Serial.print("Temperature:      ");
104  Serial.print(temperature);
105  Serial.println(" degrees Celcius  ");
106
107  float seaLevelPressure = 1015;
108  Serial.print("Altitude:         ");
109  Serial.print(bmp.pressureToAltitude(seaLevelPressure, event.pressure));
110  Serial.println("  m");
111
112  digitalWrite(enable1, HIGH);
113  sensorValue1 = analogRead(sensorPin);
114  sensorValue1 = constrain(sensorValue1, 300, 850);
115  sensorValue1 = map(sensorValue1,  300, 850, 0, 1023);
116  Serial.print("Light intensity:  ");
117  Serial.println(sensorValue1);
118  digitalWrite(enable1, LOW);
119  delay(100);
120
121  digitalWrite(enable2, HIGH);
122  delay(500);
123  sensorValue2 = analogRead(sensorPin);
124  sensorValue2 = constrain(sensorValue2,  150, 440);
125  sensorValue2 = map(sensorValue2, 150, 440, 1023, 0);
126  Serial.print("Rain  value:       ");
127  Serial.println(sensorValue2);
128  Serial.println();
129  delay(100);
130  digitalWrite(enable2, LOW);
131
132  if (client.connect(server,  80)) {
133    String postStr = apiKey;
134    postStr += "&field1=";
135    postStr  += String(t);
136    postStr += "&field2=";
137    postStr += String(h);
138    postStr  += "&field3=";
139    postStr += String(event.pressure);
140    postStr += "&field4=";
141    postStr += String(dp);
142    postStr += "&field5=";
143    postStr += String(sensorValue1);
144    postStr += "&field6=";
145    postStr += String(sensorValue2);
146    postStr  +="&field8=";
147    postStr += String(bmp.pressureToAltitude(seaLevelPressure,event.pressure));
148    postStr += "\
\
149\
\
150\
\
151\
\
152\
\
153\
\
154\
\
155\
\
156";
157    
158    client.print("POST /update HTTP/1.1\
159");
160    client.print("Host: api.thingspeak.com\
161");
162    client.print("Connection: close\
163");
164    client.print("X-THINGSPEAKAPIKEY:  " + apiKey + "\
165");
166    client.print("Content-Type: application/x-www-form-urlencoded\
167");
168    client.print("Content-Length: ");
169    client.print(postStr.length());
170    client.print("\
171\
172\
173\
174\
175\
176\
177\
178");
179    client.print(postStr);
180
181  delay(500);
182        Serial.println("entered deepsleep mode");
183        ESP.deepSleep(sleepTimeS  * 1000000); //multiplier value to convert microseconds to seconds
184    }
185
186    client.stop(); 
187
188    Serial.println("Client Stopped.");
189    delay(500);
190}