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вот код на один диод и кнопку но есть ошибка при кампиляции

int outputPin = 6; // LED1 to pin 6

int anotherOutputPin = 7; // LED2 to pin 7

static uint8_t mac[6] = {

0x54, 0x55, 0x58, 0x10, 0x00, 0x24}; // this just needs to be unique for your network,

static uint8_t ip[4] = {

192, 168, 0, 150}; // IP address for the webserver

static uint16_t port = 80; // Use port 80 - the standard for HTTP

ETHER_28J60 e;

void setup()

{

e.setup(mac, ip, port);

pinMode(outputPin, OUTPUT);

pinMode(anotherOutputPin, OUTPUT);

}

void loop()

{

char* params;

if (params = e.serviceRequest())

{

e.print("<h1><a href='/?led1=off&led2=off'>Arduino Web Remote</a></h1>");

if (strcmp(params, "?led1=on&led2=off") == 0)

{

digitalWrite(outputPin, HIGH);

digitalWrite(anotherOutputPin, LOW);

e.print("<a href='?led1=off&led2=off'><button style='border: 1px solid #ff0000;
border-left: 10px solid #ff0000' type='button'>LED1 IS ON</button></a><a href='?led1=on&led2=on'>
<br/><button style='border: 1px solid #000; border-left: 10px solid #000' type='button'>
LED2 IS OFF</button></a>");

}

else if (strcmp(params, "?led1=off&led2=on") == 0)

{

digitalWrite(outputPin, LOW);

digitalWrite(anotherOutputPin, HIGH);

e.print("<a href='?led1=on&led2=on'><button style='border: 1px solid #000;
border-left: 10px solid #000' type='button'>LED1 IS OFF</button></a><a href='?led1=off&led2=off'>
<br/><button style='border: 1px solid #ff0000; border-left: 10px solid #ff0000' type='button'>
LED2 IS ON</button></a>");

}

else if (strcmp(params, "?led1=off&led2=off") == 0)

{

digitalWrite(outputPin, LOW);

digitalWrite(anotherOutputPin, LOW);

e.print("<a href='?led1=on&led2=off'><button style='border: 1px solid #000;
border-left: 10px solid #000' type='button'>LED1 IS OFF</button></a><a href='?led1=off&led2=on'>
<br/><button style='border: 1px solid #000; border-left: 10px solid #000' type='button'>
LED2 IS OFF</button></a>");

}

else if (strcmp(params, "?led1=on&led2=on") == 0)

{

digitalWrite(outputPin, HIGH);

digitalWrite(anotherOutputPin, HIGH);

e.print("<a href='?led1=off&led2=on'><button style='border: 1px solid #ff0000;
border-left: 10px solid #ff0000' type='button'>LED1 IS ON</button></a><a href='?led1=on&led2=off'>
<br/><button style='border: 1px solid #ff0000; border-left: 10px solid #ff0000' type='button'>
LED2 IS ON</button></a>");

}

e.respond();

}

}

Если я не ошибаюсь в этом скетче нужно нажать на текст "Arduino Web Remote" и появятся 2 кнопки:

LED1 IS ON;

LED2 IS ON

должны былы появится, но увы. вот рабочий может кому пригодится

#include "etherShield.h"
#include "ETHER_28J60.h"

 int outputPin3 = 3;
 int outputPin5 = 5;
 int outputPin6 = 6;
 int outputPin7 = 7;
 int outputPin8 = 8;
 int outputPin9 = 9;

 
 static uint8_t mac[6] = {0x54, 0x55, 0x58, 0x10, 0x00, 0x24}; // this just needs to be unique for your network,

 static uint8_t ip[4] = {10, 0, 0, 100}; // IP address for the webserver

 static uint16_t port = 80; // Use port 80 - the standard for HTTP

 ETHER_28J60 e;

 void setup()
 {
   e.setup(mac, ip, port);
   pinMode(outputPin3, OUTPUT);
   pinMode(outputPin5, OUTPUT);
   pinMode(outputPin6, OUTPUT);
   pinMode(outputPin7, OUTPUT);
   pinMode(outputPin8, OUTPUT);
   pinMode(outputPin9, OUTPUT);
   
 }

 void loop()
 {
   char* params;
   if (params = e.serviceRequest())
   {
     e.print("<H1>JKS home</H1>");
     if (strcmp(params, "?led1=on") == 0)
     {
       if (!digitalRead(outputPin3))
       {
         digitalWrite(outputPin3, HIGH);
       }
     }
     else if (strcmp(params, "?led2=on") == 0)
     {
       if (!digitalRead(outputPin5))
       {
         digitalWrite(outputPin5, HIGH);
       }
     }
     else if (strcmp(params, "?led3=on") == 0)
     {
       if (!digitalRead(outputPin6))
       {
         digitalWrite(outputPin6, HIGH); 
       }
     }
     else if (strcmp(params, "?led4=on") == 0)
     {
       if (!digitalRead(outputPin7))
       {
         digitalWrite(outputPin7, HIGH);
       }
     }
     else if (strcmp(params, "?led5=on") == 0)
     {
       if (!digitalRead(outputPin8))
       {
         digitalWrite(outputPin8, HIGH);
       }
     }
     else if (strcmp(params, "?led6=on") == 0)
     {
       if (!digitalRead(outputPin9))
       {
         digitalWrite(outputPin9, HIGH);
       }
     }
     else if (strcmp(params, "?led1=off") == 0)// Modified -- 2011 12 15 # Ben Schueler
     {
       if (digitalRead(outputPin3))
       {
         digitalWrite(outputPin3, LOW);
       }
     }
     else if (strcmp(params, "?led2=off") == 0)// Modified -- 2011 12 15 # Ben Schueler
     {
       if (digitalRead(outputPin5))
       {
         digitalWrite(outputPin5, LOW);
       }
     }
     else if (strcmp(params, "?led3=off") == 0)// Modified -- 2011 12 15 # Ben Schueler
     {
       if (digitalRead(outputPin6))
       {
         digitalWrite(outputPin6, LOW);
       }
     }
     else if (strcmp(params, "?led4=off") == 0)// Modified -- 2011 12 15 # Ben Schueler
     {
       if (digitalRead(outputPin7))
       {
         digitalWrite(outputPin7, LOW);
       }
     }
     else if (strcmp(params, "?led5=off") == 0) // Modified -- 2011 12 15 # Ben Schueler
     {
       if (digitalRead(outputPin8))
       {
         digitalWrite(outputPin8, LOW);
       }
     }
     else if (strcmp(params, "?led6=off") == 0) // Modified -- 2011 12 15 # Ben Schueler
     {
       if (digitalRead(outputPin9))
       {
         digitalWrite(outputPin9, LOW);
       }
     }
     if (digitalRead(outputPin3))
     {
       e.print("<a href='?led1=off'><button style='border: 1px solid #ff0000; border-left: 10px solid #ff0000' type='button'>LED 1 ON</button></a>");
     }
     else
     {
       e.print("<a href='?led1=on'><button style='border: 1px solid #000; border-left: 10px solid #000' type='button'>LED 1 OFF</button></a>");
     }
     if (digitalRead(outputPin5))
     {
       e.print("<a href='?led2=off'><button style='border: 1px solid #ff0000; border-left: 10px solid #ff0000' type='button'>LED 2 ON</button></a>");
     }
     else
     {
       e.print("<a href='?led2=on'><button style='border: 1px solid #000; border-left: 10px solid #000' type='button'>LED 2 OFF</button></a>");
     }
     if (digitalRead(outputPin6))
     {
       e.print("<a href='?led3=off'><button style='border: 1px solid #ff0000; border-left: 10px solid #ff0000' type='button'>LED 3 ON</button></a>");
     }
     else
     {
       e.print("<a href='?led3=on'><button style='border: 1px solid #000; border-left: 10px solid #000' type='button'>LED 3 OFF</button></a>");
     }

     e.respond();
   }
 }