UNO Ethernet Shield Wiznet W5100 R3 Mega2560 1280 328 Extension Development Board FOR Arduino Micro SD Card Network Port Module

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Ethernet W5100 network expansion module, you can make rduino a simple Web server or through the network control read and write rduino digital and analog interfaces and other network applications. You can directly use the IDE in the Ethernet library file can be achieved a simple Web server.
At the same time the version of the support mini SD card (TF card) read and write
The expansion board uses a stackable design, can be directly inserted into the rduino, while our other expansion board can also be inserted.
Code:
#include
/*
* Web Server
*
* A simple web server that shows the value of the analog input pins.
*/
#include
byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
byte ip[] =  { 192, 168, 1, 15 };
EthernetServer server(80);
void setup()
{
Ethernet.begin(mac, ip);
server.begin();
}
void loop()
{
EthernetClient client = server.available();
if (client) {
// an http request ends with a blank line
boolean current_line_is_blank = true;
while (client.connected()) {
if (client.available()) {
char c = client.read();
// if we've gotten to the end of the line (received a newline
// character) and the line is blank, the http request has ended,
// so we can send a reply
if (c == 'n' && current_line_is_blank) {
// send a standard http response header
client.println("HTTP/1.1 200 OK");
client.println("Content-Type: text/html");
client.println();
// output the value of each analog input pin
client.print("welcome to tinyos electronics");
client.println("

");
client.print("//*************************************");
client.println("

");
client.print("");
client.println("

");
client.print("//*************************************");
client.println("

");
for (int i = 0; i < 6; i++) {
client.print("analog input