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The ENC28J60 Ethernet Module utilizes the new Microchip ENC28J60 Stand-Alone Ethernet Controller IC featuring a host of features to handle most of the network protocol requirements. The board connects directly to most microcontrollers with a standard SPI interface.


ENC28J60 Ethernet chips, SOP28 package
SPI Interface
2X5 connector, can be easily mounted with the MCU
Power indicator
Single Supply: +3.3 V

Additional information

Weight 15 g
Dimensions 56 x 34 x 35 mm


// This is a demo of the RBBB running as webserver with the Ether Card


// ethernet interface mac address, must be unique on the LAN
static byte mymac[] = { 0x74,0x69,0x69,0x2D,0x30,0x31 };
static byte myip[] = { 192,168,1,203 };

byte Ethernet::buffer[500];
BufferFiller bfill;

void setup () {
if (ether.begin(sizeof Ethernet::buffer, mymac) == 0)
Serial.println( “Failed to access Ethernet controller”);

static word homePage() {
long t = millis() / 1000;
word h = t / 3600;
byte m = (t / 60) % 60;
byte s = t % 60;
bfill = ether.tcpOffset();
“HTTP/1.0 200 OKrn”
“Content-Type: text/htmlrn”
“Pragma: no-cachern”
“RBBB server”


h/10, h%10, m/10, m%10, s/10, s%10);
return bfill.position();

void loop () {
word len = ether.packetReceive();
word pos = ether.packetLoop(len);

if (pos) // check if valid tcp data is received
ether.httpServerReply(homePage()); // send web page data

With a bit of hacking, you can easily add code to display analog values read off the analog pins for instance


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