Wireless Weather Station

1 #include<dht.h> 
2#include <Wire.h> 
3#include <VirtualWire.h>  
4#include  <Adafruit_Sensor.h> 
5#include <Adafruit_BMP280.h> 
6#define dht_apin A0 
7dht  DHT; 
8char msg[8]; 
9float pritisak; 
10#define BMP_SCK 12 
11#define BMP_MISO  11 
12#define BMP_MOSI 10  
13#define BMP_CS 9 
14Adafruit_BMP280 bme(BMP_CS,  BMP_MOSI, BMP_MISO,  BMP_SCK); 
15void setup(){ 
16 vw_set_ptt_inverted(true);  
17 Serial.begin(9600); 
18 vw_set_tx_pin(4);  // Sets pin D12 as the TX pin 
19  vw_setup(2000);  
20 if (!bme.begin()) {   
21   Serial.println("Could not find  a valid BMP280 sensor, check wiring!"); 
22 while (1);} 
23 delay(1000);//Wait  before accessing Sensor      
24} 
25void loop(){ 
26 DHT.read11(dht_apin); 
27  dtostrf(DHT.humidity, 8,1,msg); 
28 msg[0]='H'; 
29 vw_send((uint8_t *)msg, strlen(msg));  //transmits the data 
30 vw_wait_tx(); 
31 dtostrf(DHT.temperature,8,1,msg); 
32  msg[0]='T'; 
33 vw_send((uint8_t *)msg, strlen(msg)); //transmits the data 
34  vw_wait_tx(); 
35 dtostrf(analogRead(3), 8,1,msg); 
36 msg[0]='U'; 
37 vw_send((uint8_t  *)msg, strlen(msg)); //transmits the data 
38 vw_wait_tx(); 
39 pritisak = bme.readPressure()/100;  
40 dtostrf(pritisak,8,1,msg); 
41 msg[0]='P'; 
42 vw_send((uint8_t *)msg, strlen(msg));  //transmits the data 
43 vw_wait_tx(); 
44 delay(3000); }

1 #include <VirtualWire.h> 
2#include <LiquidCrystal.h> 
3String poruka;  
4LiquidCrystal lcd(8,9,4,5,6,7); 
5unsigned char ledPin=1; 
6unsigned char  ledPin2=2; 
7int flag = 0; 
8void setup(){ 
9 vw_set_ptt_inverted(true); 
10  Serial.begin(9600); 
11 delay(500); 
12 vw_set_rx_pin(12);       //Sets pin D12  as the RX Pin 
13 vw_setup(2000);       
14 vw_rx_start();            
15 pinMode(ledPin,  OUTPUT); 
16 pinMode(ledPin2, OUTPUT); 
17 digitalWrite(ledPin, LOW); 
18 digitalWrite(ledPin2,  LOW); 
19 digitalWrite(ledPin, HIGH); 
20 lcd.begin(16,2); 
21 lcd.setCursor(0,0);  
22 lcd.print("  Wheater"); 
23 lcd.setCursor(0,1); 
24 lcd.print("    station");  
25 delay(2000); 
26 lcd.clear(); 
27} 
28void loop(){ 
29 uint8_t buf[VW_MAX_MESSAGE_LEN];  
30 uint8_t buflen = VW_MAX_MESSAGE_LEN; 
31 if( vw_get_message(buf, &buflen)  ) 
32 { 
33   if(flag<2){ 
34     lcd.setCursor(15,1); 
35     lcd.print("*");  
36     flag++; 
37   } 
38   else if(flag<4){ 
39     lcd.setCursor(15,1);  
40     lcd.print(" "); 
41     flag++; 
42   } 
43   else 
44     flag=0;  
45   if(buf[0]=='H'){ 
46     buf[0]=' '; 
47     poruka=String((char *)buf);  
48     poruka.trim(); 
49     lcd.setCursor(0,1); 
50     lcd.print("V=");  
51     lcd.print(poruka); 
52     lcd.print("%"); 
53   } 
54   else if(buf[0]=='T'){  
55     buf[0]=' '; 
56     poruka=String((char *)buf); 
57     poruka.trim();  
58     lcd.setCursor(0,0); 
59     lcd.print("T="); 
60     lcd.print(poruka);  
61     lcd.print("C"); 
62   } 
63   else if(buf[0]=='U'){ 
64     buf[0]='  '; 
65     poruka=String((char *)buf); 
66     poruka.trim(); 
67     lcd.setCursor(8,1);  
68     lcd.print("U="); 
69     lcd.print(poruka); 
70   } 
71   else if(buf[0]=='P'){  
72     buf[0]=' '; 
73     poruka=String((char *)buf); 
74     poruka.trim();  
75     lcd.setCursor(8,0); 
76     lcd.print("P="); 
77     lcd.print(poruka);  
78   } 
79 } }

1 #include<dht.h> 
2#include <Wire.h> 
3#include <VirtualWire.h>  
4#include
5  <Adafruit_Sensor.h> 
6#include <Adafruit_BMP280.h> 
7#define dht_apin A0 
8dht
9  DHT; 
10char msg[8]; 
11float pritisak; 
12#define BMP_SCK 12 
13#define BMP_MISO
14  11 
15#define BMP_MOSI 10  
16#define BMP_CS 9 
17Adafruit_BMP280 bme(BMP_CS,
18  BMP_MOSI, BMP_MISO,  BMP_SCK); 
19void setup(){ 
20 vw_set_ptt_inverted(true);
21  
22 Serial.begin(9600); 
23 vw_set_tx_pin(4);  // Sets pin D12 as the TX pin 
24
25  vw_setup(2000);  
26 if (!bme.begin()) {   
27   Serial.println("Could not find
28  a valid BMP280 sensor, check wiring!"); 
29 while (1);} 
30 delay(1000);//Wait
31  before accessing Sensor      
32} 
33void loop(){ 
34 DHT.read11(dht_apin); 
35
36  dtostrf(DHT.humidity, 8,1,msg); 
37 msg[0]='H'; 
38 vw_send((uint8_t *)msg, strlen(msg));
39  //transmits the data 
40 vw_wait_tx(); 
41 dtostrf(DHT.temperature,8,1,msg); 
42
43  msg[0]='T'; 
44 vw_send((uint8_t *)msg, strlen(msg)); //transmits the data 
45
46  vw_wait_tx(); 
47 dtostrf(analogRead(3), 8,1,msg); 
48 msg[0]='U'; 
49 vw_send((uint8_t
50  *)msg, strlen(msg)); //transmits the data 
51 vw_wait_tx(); 
52 pritisak = bme.readPressure()/100;
53  
54 dtostrf(pritisak,8,1,msg); 
55 msg[0]='P'; 
56 vw_send((uint8_t *)msg, strlen(msg));
57  //transmits the data 
58 vw_wait_tx(); 
59 delay(3000); }