Tag: 26. September 2019

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Arduino Chat Server

#include <SPI.h>
#include <Ethernet.h>
#include <LCD4884.h>

byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0x20, 0x13 };
IPAddress ip(192,168,0,11);
IPAddress gateway(192,168,0, 1);
IPAddress subnet(255, 255, 255, 0);

static LCD4884 lcd;

EthernetServer server(23);
boolean gotAMessage = false; 
int incomingByte = 0;

void setup() {
  lcd.begin(84,48);
  lcd.print("M4TRiX-v5.84");
  Ethernet.begin(mac, ip, gateway, subnet);
  server.begin();
  Serial.begin(9600);
}

void loop() {
  EthernetClient client = server.available();
  if (client) {
    if (!gotAMessage) {
      Serial.println("new user online");
      client.println("W3Lc0M3 t0 Th3 4d 34 54 52 69 58");
      gotAMessage = true;
    }
    
    char thisChar = client.read();
    server.write(thisChar);
    lcd.write(thisChar);
    Serial.print(thisChar);
  }  
}

the only thing you need to download is the LCD4884s library