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- #include <DHT.h>
- #define DHTPIN A9 // what pin we're connected the DHT output
- #define DHTTYPE DHT11 // DHT 11
- DHT dht(DHTPIN, DHTTYPE);
- #include <Wire.h>
- #include <SPI.h>
- #include <Ethernet.h>
- // Enter a MAC address and IP address for your controller below.
- // The IP address will be dependent on your local network:
- byte mac[] = {
- 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED
- };
- IPAddress ip(192, 168, 1, 54);
- // Initialize the Ethernet server library
- // with the IP address and port you want to use
- // (port 80 is default for HTTP):
- EthernetServer server(80);
- void setup() {
- dht.begin();
- // Open serial communications and wait for port to open:
- Serial.begin(9600);
- while (!Serial) {
- ; // wait for serial port to connect. Needed for Leonardo only
- }
- // start the Ethernet connection and the server:
- Ethernet.begin(mac, ip);
- server.begin();
- Serial.print("server is at ");
- Serial.println(Ethernet.localIP());
- }
- void loop() {
- int h = dht.readHumidity();
- int t = dht.readTemperature();
- // listen for incoming clients
- EthernetClient client = server.available();
- if (client) {
- Serial.println("new client");
- // an http request ends with a blank line
- boolean currentLineIsBlank = true;
- while (client.connected()) {
- if (client.available()) {
- char c = client.read();
- Serial.write(c);
- // if you've gotten to the end of the line (received a newline
- // character) and the line is blank, the http request has ended,
- // so you can send a reply
- if (c == '\n' && currentLineIsBlank) {
- // send a standard http response header
- client.println("HTTP/1.1 200 OK");
- client.println("Content-Type: text/html");
- client.println("Connnection: close");
- client.println();
- client.println("<!DOCTYPE HTML>");
- client.println("<html>");
- // add a meta refresh tag, so the browser pulls again every 5 seconds:
- client.println("<head>");
- client.println("<head>");
- client.println("<meta http-equiv=\"refresh\" content=\"5\">");
- // output the value of temperature and humuidity from DHT
- client.print("<h4>Temperatura z czujnika dht11:<h4>");
- client.println("<br />");
- client.print("<h4>temperatura=<h4>");
- client.print(t);
- client.print("<sup>0</sup>");
- client.print("C");
- client.println("<br />");
- client.print("<h4>wilgotnosc=<h4>");
- client.print(h);
- client.print("%");
- client.println("<br />");
- client.println("</html>");
- break;
- }
- if (c == '\n') {
- // you're starting a new line
- currentLineIsBlank = true;
- }
- else if (c != '\r') {
- // you've gotten a character on the current line
- currentLineIsBlank = false;
- }
- }
- }
- // give the web browser time to receive the data
- delay(1);
- // close the connection:
- client.stop();
- Serial.println("client disonnected");
- }
- }
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