Simple and easy weather station for indoor and outdoor

1
2#include <RCSwitch.h>
3
4RCSwitch mySwitch = RCSwitch();
5#include  <DHT_U.h>
6
7#define DHTPIN 3 
8#define DHTTYPE    DHT22
9DHT_Unified dht(DHTPIN,  DHTTYPE);
10uint32_t delayMS;
11
12char temp[7];
13char umid[7];
14
15void  setup() {
16  
17  // Transmitter is connected to Arduino Pin #10  
18  mySwitch.enableTransmit(10);
19  dht.begin();
20  sensor_t sensor;
21  dht.temperature().getSensor(&sensor);
22  dht.humidity().getSensor(&sensor);
23  delayMS = sensor.min_delay / 1000;
24  
25}
26
27void loop() {
28  delay(delayMS);
29  // Get temperature event  and print its value.
30  sensors_event_t event;
31  dht.temperature().getEvent(&event);
32  if (isnan(event.temperature)) {
33    Serial.println(F("Error reading temperature!"));
34  }
35  else {
36    mySwitch.send(int(event.temperature*10),24);
37  }
38  delay(delayMS);
39  // Get humidity event and print its value.
40  dht.humidity().getEvent(&event);
41  if (isnan(event.relative_humidity)) {
42    Serial.println(F("Error reading  humidity!"));
43  }
44  else {
45    mySwitch.send(int(event.relative_humidity*10),25);
46  }
47  
48  delay(2000);
49}
50

1#include <RCSwitch.h>
2#include <DHT_U.h>
3#include <U8glib.h>
4#include  <OneButton.h>
5
6#define DHTPIN 3 
7#define DHTTYPE    DHT22
8
9RCSwitch  mySwitch = RCSwitch();
10
11U8GLIB_SSD1306_128X32 u8g(U8G_I2C_OPT_NONE);
12
13DHT_Unified  dht(DHTPIN, DHTTYPE);
14uint32_t delayMS;
15
16OneButton button(A1, true);
17
18int  tmp;
19int EstInt=0; // If 0 show internal while if 1 show external temperature
20char  temp[7];
21char umid[7];
22char tempe[7];
23char umide[7];
24//float flt = 2.75;
25
26void  setup() {
27  Serial.begin(9600);
28  mySwitch.enableReceive(0);  // Receiver  on interrupt 0 => that is pin #2
29  u8g.setColorIndex(1); 
30
31//  button.attachClick(click);
32  button.attachLongPressStop(longPressStop);
33
34  dht.begin();
35  // Print  temperature sensor details.
36  sensor_t sensor;
37  dht.temperature().getSensor(&sensor);
38  Serial.println(F("------------------------------------"));
39  Serial.println(F("Temperature  Sensor"));
40  Serial.print  (F("Sensor Type: ")); Serial.println(sensor.name);
41  Serial.print  (F("Driver Ver:  ")); Serial.println(sensor.version);
42  Serial.print  (F("Unique ID:   ")); Serial.println(sensor.sensor_id);
43  Serial.print  (F("Max  Value:   ")); Serial.print(sensor.max_value); Serial.println(F("C"));
44  Serial.print  (F("Min Value:   ")); Serial.print(sensor.min_value); Serial.println(F("C"));
45  Serial.print  (F("Resolution:  ")); Serial.print(sensor.resolution); Serial.println(F("C"));
46  Serial.println(F("------------------------------------"));
47  // Print humidity  sensor details.
48  dht.humidity().getSensor(&sensor);
49  Serial.println(F("Humidity  Sensor"));
50  Serial.print  (F("Sensor Type: ")); Serial.println(sensor.name);
51  Serial.print  (F("Driver Ver:  ")); Serial.println(sensor.version);
52  Serial.print  (F("Unique ID:   ")); Serial.println(sensor.sensor_id);
53  Serial.print  (F("Max  Value:   ")); Serial.print(sensor.max_value); Serial.println(F("%"));
54  Serial.print  (F("Min Value:   ")); Serial.print(sensor.min_value); Serial.println(F("%"));
55  Serial.print  (F("Resolution:  ")); Serial.print(sensor.resolution); Serial.println(F("%"));
56  Serial.println(F("------------------------------------"));
57  // Set delay  between sensor readings based on sensor details.
58  delayMS = sensor.min_delay  / 1000;
59}
60
61void loop() {
62  button.tick();
63  if (mySwitch.available())  {
64    tmp = mySwitch.getReceivedValue();
65    if (mySwitch.getReceivedBitlength()  == 24) {
66      Serial.print("External Temperature: ");
67      dtostrf(float(tmp)/10,  2, 1, tempe);
68      Serial.print(tempe);
69      Serial.println("C");
70      tempe[4]=byte(0xb0);
71      tempe[5]='C';
72      tempe[6]='\\0';
73      }
74    else {
75      Serial.print("External Humidity: ");
76      dtostrf(float(tmp)/10,  2, 1, umide);
77      Serial.print(umide);
78      Serial.println("%");
79      umide[4]=' ';
80      umide[5]='%';
81      umide[6]='\\0';
82      }
83    mySwitch.resetAvailable();
84  }
85  delay(delayMS);
86  // Get temperature  event and print its value.
87  sensors_event_t event;
88  dht.temperature().getEvent(&event);
89  if (isnan(event.temperature)) {
90    Serial.println(F("Error reading temperature!"));
91  }
92  else {
93    Serial.print(F("Internal Temperature: "));
94    Serial.print(event.temperature);
95    Serial.println(F("C"));
96    dtostrf(event.temperature, 2, 1, temp);
97    temp[4]=byte(0xb0);
98    temp[5]='C';
99    temp[6]='\\0';
100  }
101  //  Get humidity event and print its value.
102  dht.humidity().getEvent(&event);
103  if (isnan(event.relative_humidity)) {
104    Serial.println(F("Error reading  humidity!"));
105  }
106  else {
107    Serial.print(F("Internal Humidity: "));
108    Serial.print(event.relative_humidity);
109    Serial.println(F("%"));
110    dtostrf(event.relative_humidity, 2, 1, umid);
111    umid[4]=' ';
112    umid[5]='%';
113    umid[6]='\\0';
114  }
115  if (EstInt==0) {
116    u8g.firstPage();  
117    do  {
118      draw("In Temp:", 0, 14);
119      draw(temp, 70, 14);
120      draw("In  Humi:", 0, 32);
121      draw(umid, 70, 32);
122    } while( u8g.nextPage() );
123  }
124  else {
125    u8g.firstPage();  
126    do {
127      draw("Ex Temp:",  0, 14);
128      draw(tempe, 70, 14);
129      draw("Ex Humi:", 0, 32);
130      draw(umide,  70, 32);
131    } while( u8g.nextPage() );
132  }
133}
134
135void longPressStop()  {
136  Serial.println("Button click.");
137  u8g.firstPage();  
138  do {
139    draw("Please Wait...", 0, 23);
140    } while( u8g.nextPage() );
141
142  if  (EstInt == 0)
143    EstInt=1;
144  else
145    EstInt=0;
146} 
147
148void draw(char*  parola, int posx, int posy) {
149  // graphic commands to redraw the complete screen  should be placed here  
150  u8g.setFont(u8g_font_unifont);
151  //u8g.setFont(u8g_font_osb21);
152  u8g.drawStr( posx, posy, parola);
153}
154

1
2#include <RCSwitch.h>
3
4RCSwitch mySwitch = RCSwitch();
5#include
6  <DHT_U.h>
7
8#define DHTPIN 3 
9#define DHTTYPE    DHT22
10DHT_Unified dht(DHTPIN,
11  DHTTYPE);
12uint32_t delayMS;
13
14char temp[7];
15char umid[7];
16
17void
18  setup() {
19  
20  // Transmitter is connected to Arduino Pin #10  
21  mySwitch.enableTransmit(10);
22
23  dht.begin();
24  sensor_t sensor;
25  dht.temperature().getSensor(&sensor);
26
27  dht.humidity().getSensor(&sensor);
28  delayMS = sensor.min_delay / 1000;
29
30  
31}
32
33void loop() {
34  delay(delayMS);
35  // Get temperature event
36  and print its value.
37  sensors_event_t event;
38  dht.temperature().getEvent(&event);
39
40  if (isnan(event.temperature)) {
41    Serial.println(F("Error reading temperature!"));
42
43  }
44  else {
45    mySwitch.send(int(event.temperature*10),24);
46  }
47  delay(delayMS);
48
49  // Get humidity event and print its value.
50  dht.humidity().getEvent(&event);
51
52  if (isnan(event.relative_humidity)) {
53    Serial.println(F("Error reading
54  humidity!"));
55  }
56  else {
57    mySwitch.send(int(event.relative_humidity*10),25);
58
59  }
60  
61  delay(2000);
62}
63