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Schema montaggio:
File programmazione
#include <Adafruit_Sensor.h>
#include <DHT.h>
#include <DHT_U.h>
#include <SPI.h>
#include <Ethernet.h>
#include <LiquidCrystal.h>
LiquidCrystal lcd( 3, 4, 5, 6, 7, 8);
#include "DHT.h"
#define DHTPIN 2 // what pin we're connected to
// Uncomment whatever type you're using!
//#define DHTTYPE DHT11 // DHT 11
#define DHTTYPE DHT22 // DHT 22 (AM2302)
//#define DHTTYPE DHT21 // DHT 21 (AM2301)
DHT dht(DHTPIN, DHTTYPE);
// 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, 0xCC, 0xEF, 0xFE, 0xAD
};
IPAddress ip(192, 168, 1, 129);
// 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() {
lcd.begin(16,2);
lcd.setCursor(0,0);
lcd.print("Progetto Berri");
lcd.setCursor(0,1);
lcd.print("WEB-Te/umi");
delay(2000);
// Open serial communications and wait for port to open:
Serial.begin(9600);
lcd.begin(16,2);
dht.begin();
while (!Serial) {
; // wait for serial port to connect. Needed for native USB port only
}
// start the Ethernet connection and the server:
Ethernet.begin(mac, ip);
server.begin();
lcd.begin(16,2);
lcd.setCursor(0,0);
lcd.print("IP");
lcd.setCursor(0,1);
lcd.print(Ethernet.localIP());
delay(1000);
}
void loop() {
// Reading temperature or humidity takes about 250 milliseconds!
// Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
int h = dht.readHumidity();
int t = dht.readTemperature();
// set the cursor to (0,0):
lcd.setCursor(0, 0);
// print from 0 to 9:
lcd.print("Temp: ");
lcd.print(t);
lcd.print("C");
// set the cursor to (16,1):
lcd.setCursor(0,1);
lcd.print("Humidity: ");
lcd.print(h);
lcd.print("%");
delay(200);
// 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("Connection: close"); // the connection will be closed after completion of the response
client.println("Refresh: 5"); // refresh the page automatically every 5 sec
client.println();
client.println("<!DOCTYPE HTML>");
client.println("<html>");
client.print("<center>");
client.print("<font size=20>");
client.print("Temperatura : ");
client.print(t);
client.print("C");
client.println("<br />");
client.print("Umidita : ");
client.print(h);
client.print("%");
client.println("<br />");
client.println("</html>");
break;
}
}
}
// give the web browser time to receive the data
delay(1);
// close the connection:
client.stop();
Serial.println("client disconnected");
}
}
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