#include <EtherCard.h>
#define lm35_1_pin A0

float temperature;

int lm35_1;



// ethernet interface mac address, must be unique on the LAN
static uint8_t mymac[6] = {
  0x54, 0x55, 0x58, 0x10, 0x00, 0x24};          // tutaj możemy zmienić adres mac
static uint8_t ip[4] = {
  192, 168, 0, 115};          // tutaj możemy zmienić adres ip
static uint16_t port = 80;
byte Ethernet::buffer[700];
static uint32_t timer;
const char website[] PROGMEM = "api.thingspeak.com";
// called when the client request is complete
static void my_callback (byte status, word off, word len) {
Serial.println(">>>");
Ethernet::buffer[off+300] = 0;
Serial.print((const char*) Ethernet::buffer + off);
Serial.println("...");
}
void setup () {
Serial.begin(57600);
Serial.println(F("\n[webClient]"));
if (ether.begin(sizeof Ethernet::buffer, mymac) == 0)
Serial.println(F("Failed to access Ethernet controller"));
if (!ether.dhcpSetup())
Serial.println(F("DHCP failed"));
ether.printIp("IP: ", ether.myip);
ether.printIp("GW: ", ether.gwip);
ether.printIp("DNS: ", ether.dnsip);
 if (!ether.dnsLookup(website))
Serial.println("DNS failed");
ether.printIp("SRV: ", ether.hisip);
}
void loop () {
lm35_1 = analogRead(lm35_1_pin);
temperature = (5.0 * lm35_1 * 100)/1024.0;
ether.packetLoop(ether.packetReceive());
if (millis() > timer) {
timer = millis() + 5000;
Serial.println();
Serial.print("<<< REQ ");
Serial.print(temperature);
int myInt = temperature;
char myIntAsString[7];
itoa(myInt, myIntAsString, 10);
ether.browseUrl(PSTR("/update?key=A4FK3WJW1RZG2OIR&field1="), myIntAsString, website, my_callback);  // XXX - należy zamienić właśnym API KEYem

}
}