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Picture of Ethernet Switching - with Arduino
Aim:

Switch relays from the ethernet or the internet, using your mobile, tablet or computer with a nice graphical user interface.

Update V4.06
Please read the below steps to Step 2 if you are viewing this article for the first time.
Please go to step 3 for the latest revision which is V4.06
A user modified version with logon option is placed in step 5 for easy download.

Material:

    * Arduino MEGA 2560
    * Arduino Ethernet Shield
    * Relay board
    * RJ45 cable


Tools:

    * Arduino Software version 1.0.1 (downloadable from Arduino Website )
    * A / B USB cable


Infrastructure:

    * Internet access with fixed IP for Arduino
    * Access to your router to share the port for internet access
    * Testing devices - your pc, mobile etc


Disclaimer:

    * This project was tested with iPhone 3GS, iPad 2 and MacBook Pro running Safari and PC running Safari, Firefox, Opera and IE.
    * This project was created on October 2012 with the mentioned material.
    * Binary sketch size: 22,322 bytes (of a 258,048 byte maximum).
    * This sketch does not offer any sort of authentification, therefore if required to be used from outside the network or from the internet, I suggest to configure your network to connect trough VPN. Nowadays many routers and smartphones support VPN.



Step 1: Ethernet Switching - with Arduino - Description

Picture of Ethernet Switching - with Arduino - Description
iPadScreenshot.png
relay board.JPG
iPhone3GSPortrait.png
Description:

    * With this project, I had not included any images, or links to images from the internet. It only make use of CSS3 and HTML5.
    * The simulated LEDs are created from CSS3 code.
    * Some browsers does not make full use of CSS3 and HTML5. Thus I suggest using Safari.
 
1-40 of 115Next »
TJM916 days ago

Hello sir, thank you so much for sharing your wonderful idea. I used your code with the login authentication. But when i login from my device, it is also accessible from other device without logging in on their own device.. :(

tcvella (author)  TJM99 days ago

The login feature has been added by somebody else to my sketch. Unfortunately I have not yet tested it. I gave credit to the person that had done the login feature. Thus please find his name and contact him, maybe he can help.

TJM9 tcvella7 days ago

Thanks for the reply sir, i already solved the problem in login feature.. But i got another problem. I am currently using 4 relay on my web switch.. But sometimes the Graphical user interface got broken like the html codes is being revealed..

Hello Mr. Vella .. I ask your help . I want to make the control 32 relays and 5 door monitoring sensor based on data from the web control arduino sketch . I want to control door sensor , if input = < 2 volts then the " safe " . if input> 2 then the " danger " . but the monitoring system is not connected to relay control systems . Thank you for your help.
tcvella (author)  Gustafa stmrg9 days ago

I could notfigure out what do you want to do. Please explain in moredetail.

32 control relays to keep using the ethernet web control like that you created in version 4.6, just add 5 sensors monitoring the door. door sensors using on / off switch, the first switch in place between + VCC 5 volts to pin A1, the second switch is placed between + VCC 5 volts to pin A2, as well until the fifth switch. when the door is opened, the pin goes high so that the show text "safe", if the door is closed, the pin low value and appear the text "danger". Thank you.

WalterP23 months ago

Ciao,
mi potreste aiutare ad inserire un sensore dht11 per leggere la temperatura?
Grazie
Walter

tcvella (author)  WalterP21 month ago
Ciao Walter, dipende dal tipo del sensore. Io suggererei di cercare la datasheet sub web, e poi se il sensore varia la resistenza allora, predi un po di giacco vicino al sensore e prede anche u termometro vicino all giaccio, e misura la resistenza. Fa la stessa cosa con aqua calda. Questa tipo di scala e applicabile se il sensore e lineare. Se e logaritmico, allora e piu difficile.
Olá, gostaria de saber qual é o endereço que coloco no navegador para ter acesso a página. HTML que está dentro do arduino?
tcvella (author)  flanderrak dos santosR1 month ago
Yes, you give the ip address on the arduino. Then from a browser on your mobile you type the ip address you inserted in the arduino.

Hello,

First of all, sorry for my poor English!

I'm a beginner with Arduino, but this awesome Project is my favorite.

The gound version worked for me very well (thank you Tcvella), but now i have a "problem" with the last (Drewpalmer's version) upgrade.....

I was looking for the libraries to the translation, but I did not find all of them.

Can somebody help me with a link, to download the missing Libraries, or share with me a *.zip file, what implies the libraries..

Regard's from Hungary,

Tamás

tcvella (author)  tamas213.horvath1251 month ago
Which libraries do you have missing?
Can somebody help me?
GustavoP23 months ago

Hello , how can I adapt this code for android ?

tcvella (author)  GustavoP21 month ago
It is html, thus should be fine. Graphics might vary a bit from browser to browser however.

Hello, mr. Vella.
I loved this work and how available you are helping everyone out around here.
What is making me curious is how did you manage to transfer all the program to your arduino, once it's said that the ammount of variables is equivalent to 246% of my Mega capacity... Did you implemented a SD card or something?

tcvella (author)  José VitorA1 month ago
No it is saving on the arduino mega only. Eeprom is used to save the latest statuses in case of power failure, so that outputs remain to the last known status.
robywj4 months ago
Ciao, ho tre sensori di temperatura mcp9700a, vorrei utilizzarli per indicare temp piano 1, temp piano 2 e temp ext, come posso adattare al tuo fantastico sketch, nel senso sia nella parte int che in quella della formula per fare leggere temperatura al termistore.
Ho scritto uno sketch dove posso regolare la temperatura e far accendere le elettrovalvole della caldaia per ogni singolo piano , e' possibile farlo sul tuo sketch? Mi aiuteresti ?
Grazie !!!!
Resto in attesa di una tua risposta.
robywj robywj4 months ago
Ok...ci sono riuscito !!!
Mi manca solo la regolazione della temperatura e l'accensione delle elettrovalvole per piano...e poi una user e password per accedere! !!
Se puoi aiutarmi te ne sarei grato.
Intanto posto lo sketch, potrebbe essere utile !!!

Grazie e scusate se non scrivo in inglese !!!?
IvanD16 months ago

How to turn on or off light without tablet or smartphone ????????

IvanD1 IvanD16 months ago

zoomx - Thank you, I know about it. But how to control without a browser? Need to add inputs for buttons. must be in control of the browser and the buttons.

I have messed around with this and adapted it to my needs I added code for buttons here is an example of what I did. It might give you an idea of how to get started

// Controling relays with pusch buttons

// Relays

int Hall = 22;

int LivingRoom = 23;

int Balcony = 24;

int Kitchen = 25;

// Button Pins

int button1 = 38; // Hall light button

int button2 = 39; // Living Room light button

int button3 = 40; // Balcony light button

int button4 = 41; // Kitchen light button

// This remembers the buttons last state

boolean lastButton = LOW;

boolean currentButton = LOW;

boolean ledOn = false;

boolean lastButton2 = LOW;

boolean currentButton2 = LOW;

boolean ledOn2 = false;

boolean lastButton3 = LOW;

boolean currentButton3 = LOW;

boolean ledOn3 = false;

boolean lastButton4 = LOW;

boolean currentButton4 = LOW;

boolean ledOn4 = false;

void setup() {

// These are the relays conected to the lights

pinMode(Hall, OUTPUT); //pin selected to control

pinMode(LivingRoom, OUTPUT); //pin selected to control

pinMode(Balcony, OUTPUT); //pin selected to control

pinMode(Kitchen, OUTPUT); //pin selected to control

// These are the puch buttons the switch the lights on or off

pinMode(button1, INPUT);

pinMode(button2, INPUT);

pinMode(button3, INPUT);

pinMode(button4, INPUT);

}

// This part Debounces the buttons

// Button1 debounce

boolean debounce(boolean last)

{

boolean current = digitalRead(button1);

if (last != current)

{

delay(5);

current = digitalRead(button1);

}

return current;

}

// Button2 debounce

boolean debounce2(boolean last2)

{

boolean current2 = digitalRead(button2);

if (last2 != current2)

{

delay(5);

current2 = digitalRead(button2);

}

return current2;

}

// Button3 debounce

boolean debounce3(boolean last3)

{

boolean current3 = digitalRead(button3);

if (last3 != current3)

{

delay(5);

current3 = digitalRead(button3);

}

return current3;

}

// Button4 debounce

boolean debounce4(boolean last4)

{

boolean current4 = digitalRead(button4);

if (last4 != current4)

{

delay(5);

current4 = digitalRead(button4);

}

return current4;

}

void loop() {

// And here is where the magic is done

// Start buttons

//button1 --------------------------------------------------------

currentButton = debounce(lastButton);

if (lastButton == LOW && currentButton == HIGH)

{

ledOn = !ledOn;

}

lastButton = currentButton;

digitalWrite(Hall, ledOn);

//button2 --------------------------------------------------------

currentButton2 = debounce2(lastButton2);

if (lastButton2 == LOW && currentButton2 == HIGH)

{

ledOn2 = !ledOn2;

}

lastButton2 = currentButton2;

digitalWrite(LivingRoom, ledOn2);

//button3 --------------------------------------------------------

currentButton3 = debounce3(lastButton3);

if (lastButton3 == LOW && currentButton3 == HIGH)

{

ledOn3 = !ledOn3;

}

lastButton3 = currentButton3;

digitalWrite(Balcony, ledOn3);

//button4 --------------------------------------------------------

currentButton4 = debounce4(lastButton4);

if (lastButton4 == LOW && currentButton4 == HIGH)

{

ledOn4 = !ledOn4;

}

lastButton4 = currentButton4;

digitalWrite(Kitchen, ledOn4);

}

zoomx IvanD16 months ago

Instead of using a webserver you can use a socket, it is like control over serial port. But you have to write you program that run on a PC or on a smartphone or another Arduino.

There are other examples of this including reading button state or analog values.

This is an example of one of them but this uses a browser.

http://startingelectronics.com/tutorials/arduino/ethernet-shield-web-server-tutorial/SD-card-IO/

IvanD1 zoomx6 months ago

You not understand me. I know what kind of device. But into it need to add control of the buttons. Just imagine house in which there are no switches. Are you go to the toilet or bathroom with the tablet ???? Always walk around the room with a tablet?

zoomx IvanD16 months ago

If you mean to control Arduino without Ethernet, yes you must add buttons and maybe an LCD with a menu. But this one is not the example you need, it speak about to control relais (or others) over Ethernet.

zoomx IvanD16 months ago

It works with (quite) any browser. You only need a browser yhat has HTML5 support.

Tested with Sware Iron and Firefox on Windows7

yosyk075 months ago

I will made it!

_zYx5 months ago

Will this work on Leonardo please?

I just tried it, but no luck :(

danny.kimbler7 months ago

I was successfully able to convert this to work with an Arduino Micro, with a mini WizNet5100 Ethernet Module. I moved the enitre Web Interface to an Raspberry Pi, and just let the Arduino run commands.

+1

I'm struggling with limitations of Arduino Nano (even thought of OpenWRT on TP-Link portable router but that is way out of my league). So for the moment I came with an idea of using 2 Nanos - one for webserver, other for actually doing all the work. Your instructable (or at least sketches) would be a great help!

Cool, how about an instuctable on how to do it?

zoomx6 months ago

I noticed that PIN 10 and 11 (TEST09 and TEST10 in the web interface) cannot be switched, I believe because are used by the Ethernet card for SPI communications.

So the code must be improved.

zoomx6 months ago

The original code run out of memory on Arduino UNO. Leaving all string in flash using F() function I successfully run Chinh Truc code on Arduino UNO.

Here it is.

//EthernetSwitching02

//http://www.instructables.com/id/Ethernet-Switching-with-Arduino/?ALLSTEPS

//Al strings are in FLASH so it fit also Arduino UNO RAM

#include <Ethernet.h>

#include <SPI.h>

#include <EEPROM.h>

////////////////////////////////////////////////////////////////////////

//CONFIGURATION

////////////////////////////////////////////////////////////////////////

//IP manual settings

byte ip[] = {

192, 168, 137, 100 }; //Manual setup only

byte gateway[] = {

192, 168, 1, 1 }; //Manual setup only

byte subnet[] = {

255, 255, 255, 0 }; //Manual setup only

byte mac[] = {

0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };

//Ethernet Port

EthernetServer server = EthernetServer(80); //default html port 80

//The number of outputs going to be switched.

int outputQuantity = 12; //should not exceed 10

//Invert the output of the leds

boolean outputInverted = false; //true or false

// This is done in case the relay board triggers the relay on negative, rather then on positive supply

//Html page refresh

int refreshPage = 15; //default is 10sec.

//Beware that if you make it refresh too fast, the page could become inacessable.

//Display or hide the "Switch on all Pins" buttons at the bottom of page

int switchOnAllPinsButton = false; //true or false

int outputAddress[16] = {

2,3,4,5,6,7,8,9,10,11,12,13,13,13,13,13}; //Allocate 10 spaces and name the output pin address.

String buttonText[16] = {

"01. TEST01","02. TEST02","03. TEST03","04. TEST04","05. TEST05","06. TEST06","07. TEST07","08. TEST08","09. TEST09","10. TEST10","11. TEST11","12. TEST12","13. TEST13","14. TEST14","15. TEST15","16. TEST16"};

// Set the output to retain the last status after power recycle.

int retainOutputStatus[16] = { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};//1-retain the last status. 0-will be off after power cut.

////////////////////////////////////////////////////////////////////////

//VARIABLES DECLARATION

////////////////////////////////////////////////////////////////////////

int outp = 0;

boolean printLastCommandOnce = false;

boolean printButtonMenuOnce = false;

boolean initialPrint = true;

String allOn = "";

String allOff = "";

boolean reading = false;

boolean outputStatus[16]; //Create a boolean array for the maximum ammount.

String rev = "V4.06b";

unsigned long timeConnectedAt;

boolean writeToEeprom = false;

/////////////////////////////////////////////////

// Temperature Related Reading

const int tempInPin = A1;

int tempInValue = 0; //temperature read

int tempScaleOutValue = 0; //temperature formatted

int tempOutValue = 0; //temperature formatted

float tempOutDeg = 0.0;

////////////////////////////////////////////////////////////////////////

//RUN ONCE

////////////////////////////////////////////////////////////////////////

//Beginning of Program

void setup(){

Serial.begin(9600);

delay(1000);

Serial.println(F("EthernetSwitching01"));

delay(1000);

Serial.println(F("initEepromValues"));

initEepromValues();

delay(1000);

Serial.println(F("readEepromValues"));

readEepromValues();

delay(1000);

//Set pins as Outputs

boolean currentState = false;

int var;

for (int i = 0; i < outputQuantity; i++){

pinMode(outputAddress[i], OUTPUT);

var = outputAddress[i];

//Switch all outputs to either on or off on Startup

if(outputInverted == true) {

//digitalWrite(outputAddress[var], HIGH);

if(outputStatus[i] == 0){

currentState = true;

}

else{

currentState = false;

} //check outputStatus if off, switch output accordingly

digitalWrite(var, currentState);

}

else{

//digitalWrite(outputAddress[var], LOW);

if(outputStatus[i] == 0){

currentState = false;

}

else{

currentState = true;

}//check outputStatus if off, switch output accordingly

digitalWrite(var, currentState);

}

}

//Setting up the IP address. Comment out the one you dont need.

//Ethernet.begin(mac); //for DHCP address. (Address will be printed to serial.)

//Ethernet.begin(mac, ip, gateway, subnet); //for manual setup. (Address is the one configured above.)

Serial.println(F("Trying to get an IP address using DHCP"));

if (Ethernet.begin(mac) == 0) {

Serial.println(F("Failed to configure Ethernet using DHCP"));

// initialize the ethernet device not using DHCP:

Ethernet.begin(mac, ip, gateway, subnet);

}

server.begin();

Serial.print(F("Server started at "));

Serial.println(Ethernet.localIP());

}

////////////////////////////////////////////////////////////////////////

//LOOP

////////////////////////////////////////////////////////////////////////

void loop(){

//Read Temperature Sensor

tempInValue = analogRead(tempInPin);

// Connecting a 10K3 Thermistor to the Arduino Input

// +5V �—————————[10Kohms]—————————[Thermistor]——� 0V

// To Arduino IP �———————————|

tempScaleOutValue = map(tempInValue, 0, 1023, 1023, 0); //Arduino value and NTC of the 10K3 Thermistor

tempOutValue = map(tempScaleOutValue, 130, 870, -170, 730); //range of Arduino Value compared with Temperature

tempOutValue = tempOutValue -45; //Adjustments

tempOutDeg = tempOutValue / 10.0;

checkForClient();

}

////////////////////////////////////////////////////////////////////////

//checkForClient Function

////////////////////////////////////////////////////////////////////////

//

void checkForClient(){

EthernetClient client = server.available();

if (client) {

boolean currentLineIsBlank = true;

boolean sentHeader = false;

int temp,temp1;

while (client.connected()) {

if (client.available()) {

char c = client.read();

if(c == '*'){

printHtmlHeader(client); //call for html header and css

printLoginTitle(client);

printHtmlFooter(client);

break;

}

if(!sentHeader){

printHtmlHeader(client); //call for html header and css

printHtmlButtonTitle(client); //print the button title

sentHeader = true;

}

if(reading && c == ' '){

reading = false;

}

if(c == '?') {

reading = true; //found the ?, begin reading the info

}

if(reading){

//if user input is H set output to 1

if(c == 'H') {

outp = 1;

}

if(c == 'L') {

outp = 0;

}

// Serial.println(c); //print the value of c to serial communication

//---------------------------------------------------------------------------------------------

// ? H 1 0

// ^ ^ ^ ^

// | | | |____________read 4 ( 10,11,12,13....)

// | | |______________read 3 ( 1....9)

// | |________________read 2 if user input is H set output to L

// |__________________read 1

//---------------------------------------------------------------------------------------------

if( c == '1'){

char c = client.read();

switch (c) {

case '0':

triggerPin(outputAddress[10], client, outp);

break;

case '1':

triggerPin(outputAddress[11], client, outp);

break;

case '2':

triggerPin(outputAddress[12], client, outp);

break;

case '3':

triggerPin(outputAddress[13], client, outp);

break;

case '4':

triggerPin(outputAddress[14], client, outp);

break;

case '5':

triggerPin(outputAddress[15], client, outp);

break;

default:

char c = client.read();

triggerPin(outputAddress[1], client, outp);

}

}

else {

switch (c) {

case '0':

triggerPin(outputAddress[0], client, outp);

break;

// case '1':

// triggerPin(outputAddress[1], client, outp);

// break;

case '2':

triggerPin(outputAddress[2], client, outp);

break;

case '3':

//add code here to trigger on 3

triggerPin(outputAddress[3], client, outp);

break;

case '4':

//add code here to trigger on 4

triggerPin(outputAddress[4], client, outp);

break;

case '5':

//add code here to trigger on 5

triggerPin(outputAddress[5], client, outp);

//printHtml(client);

break;

case '6':

//add code here to trigger on 6

triggerPin(outputAddress[6], client, outp);

break;

case '7':

//add code here to trigger on 7

triggerPin(outputAddress[7], client, outp);

break;

case '8':

//add code here to trigger on 8

triggerPin(outputAddress[8], client, outp);

break;

case '9':

//add code here to trigger on 9

triggerPin(outputAddress[9], client, outp);

break;

} //end of switch case

}

}//end of switch switch the relevant output

//if user input was blank

if (c == '\n' && currentLineIsBlank){

printLastCommandOnce = true;

printButtonMenuOnce = true;

triggerPin(777, client, outp); //Call to read input and print menu. 777 is used not to update any outputs

break;

}

}

}

printHtmlFooter(client); //Prints the html footer

}

else{

if (millis() > (timeConnectedAt + 60000)){

if (writeToEeprom == true){

writeEepromValues(); //write to EEprom the current output statuses

Serial.println(F("No Clients for more then a minute - Writing statuses to Eeprom."));

writeToEeprom = false;

}

}

}

}// END

////////////////////////////////////////////////////////////////////////

//triggerPin Function

////////////////////////////////////////////////////////////////////////

//

void triggerPin(int pin, EthernetClient client, int outp){

if (pin != 777){

// Serial.println(pin);

if(outp == 1) {

if (outputInverted ==false){

digitalWrite(pin, HIGH);

}

else{

digitalWrite(pin, LOW);

}

}

if(outp == 0){

if (outputInverted ==false){

digitalWrite(pin, LOW);

}

else{

digitalWrite(pin, HIGH);

}

}

}

//Refresh the reading of outputs

readOutputStatuses();

//Prints the buttons

if (printButtonMenuOnce == true){

printHtmlButtons(client);

printButtonMenuOnce = false;

}

}

////////////////////////////////////////////////////////////////////////

//printHtmlButtons Function

////////////////////////////////////////////////////////////////////////

//print the html buttons to switch on/off channels

void printHtmlButtons(EthernetClient client){

//Start to create the html table

client.println(F(""));

//client.println(F("<p>"));

client.println(F("<FORM>"));

client.println(F("<table border=\"0\" align=\"center\">"));

//Printing the Temperature

client.print(F("<tr>\n"));

client.print(F("<td><h4>"));

client.print(F("Temperature"));

client.print(F("</h4></td>\n"));

client.print(F("<td></td>"));

client.print(F("<td>"));

client.print(F("<h3>"));

client.print(tempOutDeg);

client.print(F(" °C</h3></td>\n"));

client.print(F("<td></td>"));

client.print(F("</tr>"));

//Start printing button by button

for (int var = 0; var < outputQuantity; var++) {

//set command for all on/off

allOn += "H";

allOn += outputAddress[var];

allOff += "L";

allOff += outputAddress[var];

//Print begining of row

client.print(F("<tr>\n"));

//Prints the button Text

client.print(F("<td><h4>"));

client.print(buttonText[var]);

client.print(F("</h4></td>\n"));

//Prints the ON Buttons+++++++++++++++++++++++++++++++++++++++++++++++

client.print(F("<td>"));

client.print(F("<INPUT TYPE=\"button\" VALUE=\"ON "));

client.print(F("\" onClick=\"parent.location='/?H"));

client.print(var);

client.print(F("'\"></td>\n"));

//Prints the OFF Buttons ---------------------------------------------

client.print(F(" <td><INPUT TYPE=\"button\" VALUE=\"OFF"));

client.print(F("\" onClick=\"parent.location='/?L"));

client.print(var);

client.print(F("'\"></td>\n"));

//Invert the LED display if output is inverted.

if (outputStatus[var] == true ){ //If Output is ON

if (outputInverted == false){ //and if output is not inverted

client.print(F(" <td><div class='green-circle'><div class='glare'></div></div></td>\n")); //Print html for ON LED

}

else{ //else output is inverted then

client.print(F(" <td><div class='black-circle'><div class='glare'></div></div></td>\n")); //Print html for OFF LED

}

}

else //If Output is Off

{

if (outputInverted == false){ //and if output is not inverted

client.print(F(" <td><div class='black-circle'><div class='glare'></div></div></td>\n")); //Print html for OFF LED

}

else{ //else output is inverted then

client.print(F(" <td><div class='green-circle'><div class='glare'></div></div></td>\n")); //Print html for ON LED

}

}

//Print end of row

client.print(F("</tr>\n"));

}

//Display or hide the Print all on Pins Button

if (switchOnAllPinsButton == true ){

//Prints the ON All Pins Button

client.print(F("<tr>\n<td><INPUT TYPE=\"button\" VALUE=\"Switch ON All Pins"));

client.print(F("\" onClick=\"parent.location='/?"));

client.print(allOn);

client.print(F("'\"></td>\n"));

//Prints the OFF All Pins Button

client.print(F("<td><INPUT TYPE=\"button\" VALUE=\"Switch OFF All Pins"));

client.print(F("\" onClick=\"parent.location='/?"));

client.print(allOff);

client.print(F("'\"></td>\n<td></td>\n<td></td>\n</tr>\n"));

}

//Closing the table and form

client.println(F("</table>"));

client.println(F("</FORM>"));

//client.println(F("</p>"));

}

////////////////////////////////////////////////////////////////////////

//readOutputStatuses Function

////////////////////////////////////////////////////////////////////////

//Reading the Output Statuses

void readOutputStatuses(){

for (int var = 0; var < outputQuantity; var++) {

outputStatus[var] = digitalRead(outputAddress[var]);

//Serial.print(outputStatus[var]);

}

}

////////////////////////////////////////////////////////////////////////

//readEepromValues Function

////////////////////////////////////////////////////////////////////////

//Read EEprom values and save to outputStatus

void readEepromValues(){

for (int adr = 0; adr < outputQuantity; adr++) {

outputStatus[adr] = EEPROM.read(adr);

}

}

////////////////////////////////////////////////////////////////////////

//writeEepromValues Function

////////////////////////////////////////////////////////////////////////

//Write EEprom values

void writeEepromValues(){

for (int adr = 0; adr < outputQuantity; adr++) {

EEPROM.write(adr, outputStatus[adr]);

}

}

////////////////////////////////////////////////////////////////////////

//initEepromValues Function

////////////////////////////////////////////////////////////////////////

//Initialiaze EEprom values

//if eeprom values are not the correct format ie not euqual to 0 or 1 (thus greater then 1) initialize by putting 0

void initEepromValues(){

for (int adr = 0; adr < outputQuantity; adr++){

if (EEPROM.read(adr) > 1){

EEPROM.write(adr, 0);

}

}

}

////////////////////////////////////////////////////////////////////////

//htmlHeader Function

////////////////////////////////////////////////////////////////////////

//Prints html header

void printHtmlHeader(EthernetClient client){

// Serial.print(F("Serving html Headers at ms -"));

timeConnectedAt = millis(); //Record the time when last page was served.

// Serial.print(timeConnectedAt); // Print time for debbugging purposes

writeToEeprom = true; // page loaded so set to action the write to eeprom

// send a standard http response header

client.println(F("HTTP/1.1 200 OK"));

client.println(F("Content-Type: text/html"));

client.println(F("Connnection: close"));

client.println();

client.println(F("<!DOCTYPE HTML>"));

client.println(F("<head>"));

// add page title

client.println(F("<title>Ethernet Switching</title>"));

client.println(F("<meta name=\"description\" content=\"Ethernet Switching\"/>"));

// add a meta refresh tag, so the browser pulls again every x seconds:

client.print(F("<meta http-equiv=\"refresh\" content=\""));

client.print(refreshPage);

client.println(F("; url=/\">"));

// add other browser configuration

client.println(F("<meta name=\"apple-mobile-web-app-capable\" content=\"yes\">"));

client.println(F("<meta name=\"apple-mobile-web-app-status-bar-style\" content=\"default\">"));

client.println(F("<meta name=\"viewport\" content=\"width=device-width, user-scalable=no\">"));

//inserting the styles data, usually found in CSS files.

client.println(F("<style type=\"text/css\">"));

client.println(F(""));

//This will set how the page will look graphically

client.println(F("html { height:100%; }"));

client.println(F(" body {"));

client.println(F(" height: 100%;"));

client.println(F(" margin: 0;"));

client.println(F(" font-family: helvetica, sans-serif;"));

client.println(F(" -webkit-text-size-adjust: none;"));

client.println(F(" }"));

client.println(F(""));

client.println(F("body {"));

client.println(F(" -webkit-background-size: 100% 21px;"));

client.println(F(" background-color: #c5ccd3;"));

client.println(F(" background-image:"));

client.println(F(" -webkit-gradient(linear, left top, right top,"));

client.println(F(" color-stop(.75, transparent),"));

client.println(F(" color-stop(.75, rgba(255,255,255,.1)) );"));

client.println(F(" -webkit-background-size: 7px;"));

client.println(F(" }"));

client.println(F(""));

client.println(F(".view {"));

client.println(F(" min-height: 100%;"));

client.println(F(" overflow: auto;"));

client.println(F(" }"));

client.println(F(""));

client.println(F(".header-wrapper {"));

client.println(F(" height: 44px;"));

client.println(F(" font-weight: bold;"));

client.println(F(" text-shadow: rgba(0,0,0,0.7) 0 -1px 0;"));

client.println(F(" border-top: solid 1px rgba(255,255,255,0.6);"));

client.println(F(" border-bottom: solid 1px rgba(0,0,0,0.6);"));

client.println(F(" color: #fff;"));

client.println(F(" background-color: #8195af;"));

client.println(F(" background-image:"));

client.println(F(" -webkit-gradient(linear, left top, left bottom,"));

client.println(F(" from(rgba(255,255,255,.4)),"));

client.println(F(" to(rgba(255,255,255,.05)) ),"));

client.println(F(" -webkit-gradient(linear, left top, left bottom,"));

client.println(F(" from(transparent),"));

client.println(F(" to(rgba(0,0,64,.1)) );"));

client.println(F(" background-repeat: no-repeat;"));

client.println(F(" background-position: top left, bottom left;"));

client.println(F(" -webkit-background-size: 100% 21px, 100% 22px;"));

client.println(F(" -webkit-box-sizing: border-box;"));

client.println(F(" }"));

client.println(F(""));

client.println(F(".header-wrapper h1 {"));

client.println(F(" text-align: center;"));

client.println(F(" font-size: 20px;"));

client.println(F(" line-height: 44px;"));

client.println(F(" margin: 0;"));

client.println(F(" }"));

client.println(F(""));

client.println(F(".group-wrapper {"));

client.println(F(" margin: 9px;"));

client.println(F(" }"));

client.println(F(""));

client.println(F(".group-wrapper h2 {"));

client.println(F(" color: #4c566c;"));

client.println(F(" font-size: 17px;"));

client.println(F(" line-height: 0.8;"));

client.println(F(" font-weight: bold;"));

client.println(F(" text-shadow: #fff 0 1px 0;"));

client.println(F(" margin: 20px 10px 12px;"));

client.println(F(" }"));

client.println(F(""));

client.println(F(".group-wrapper h3 {"));

client.println(F(" color: #4c566c;"));

client.println(F(" font-size: 12px;"));

client.println(F(" line-height: 1;"));

client.println(F(" font-weight: bold;"));

client.println(F(" text-shadow: #fff 0 1px 0;"));

client.println(F(" margin: 20px 10px 12px;"));

client.println(F(" }"));

client.println(F(""));

client.println(F(".group-wrapper h4 {")); //Text for description

client.println(F(" color: #212121;"));

client.println(F(" font-size: 14px;"));

client.println(F(" line-height: 1;"));

client.println(F(" font-weight: bold;"));

client.println(F(" text-shadow: #aaa 1px 1px 3px;"));

client.println(F(" margin: 5px 5px 5px;"));

client.println(F(" }"));

client.println(F(""));

client.println(F(".group-wrapper table {"));

client.println(F(" background-color: #fff;"));

client.println(F(" -webkit-border-radius: 10px;"));

client.println(F(" -moz-border-radius: 10px;"));

client.println(F(" -khtml-border-radius: 10px;"));

client.println(F(" border-radius: 10px;"));

client.println(F(" font-size: 17px;"));

client.println(F(" line-height: 20px;"));

client.println(F(" margin: 9px 0 20px;"));

client.println(F(" border: solid 1px #a9abae;"));

client.println(F(" padding: 11px 3px 12px 3px;"));

client.println(F(" margin-left:auto;"));

client.println(F(" margin-right:auto;"));

client.println(F(" -moz-transform :scale(1);")); //Code for Mozilla Firefox

client.println(F(" -moz-transform-origin: 0 0;"));

client.println(F(" }"));

client.println(F(""));

//how the green (ON) LED will look

client.println(F(".green-circle {"));

client.println(F(" display: block;"));

client.println(F(" height: 23px;"));

client.println(F(" width: 23px;"));

client.println(F(" background-color: #0f0;"));

//client.println(F(" background-color: rgba(60, 132, 198, 0.8);"));

client.println(F(" -moz-border-radius: 11px;"));

client.println(F(" -webkit-border-radius: 11px;"));

client.println(F(" -khtml-border-radius: 11px;"));

client.println(F(" border-radius: 11px;"));

client.println(F(" margin-left: 1px;"));

client.println(F(" background-image: -webkit-gradient(linear, 0% 0%, 0% 90%, from(rgba(46, 184, 0, 0.8)), to(rgba(148, 255, 112, .9)));@"));

client.println(F(" border: 2px solid #ccc;"));

client.println(F(" -webkit-box-shadow: rgba(11, 140, 27, 0.5) 0px 10px 16px;"));

client.println(F(" -moz-box-shadow: rgba(11, 140, 27, 0.5) 0px 10px 16px; /* FF 3.5+ */"));

client.println(F(" box-shadow: rgba(11, 140, 27, 0.5) 0px 10px 16px; /* FF 3.5+ */"));

client.println(F(" }"));

client.println(F(""));

//how the black (off)LED will look

client.println(F(".black-circle {"));

client.println(F(" display: block;"));

client.println(F(" height: 23px;"));

client.println(F(" width: 23px;"));

client.println(F(" background-color: #040;"));

client.println(F(" -moz-border-radius: 11px;"));

client.println(F(" -webkit-border-radius: 11px;"));

client.println(F(" -khtml-border-radius: 11px;"));

client.println(F(" border-radius: 11px;"));

client.println(F(" margin-left: 1px;"));

client.println(F(" -webkit-box-shadow: rgba(11, 140, 27, 0.5) 0px 10px 16px;"));

client.println(F(" -moz-box-shadow: rgba(11, 140, 27, 0.5) 0px 10px 16px; /* FF 3.5+ */"));

client.println(F(" box-shadow: rgba(11, 140, 27, 0.5) 0px 10px 16px; /* FF 3.5+ */"));

client.println(F(" }"));

client.println(F(""));

//this will add the glare to both of the LEDs

client.println(F(" .glare {"));

client.println(F(" position: relative;"));

client.println(F(" top: 1;"));

client.println(F(" left: 5px;"));

client.println(F(" -webkit-border-radius: 10px;"));

client.println(F(" -moz-border-radius: 10px;"));

client.println(F(" -khtml-border-radius: 10px;"));

client.println(F(" border-radius: 10px;"));

client.println(F(" height: 1px;"));

client.println(F(" width: 13px;"));

client.println(F(" padding: 5px 0;"));

client.println(F(" background-color: rgba(200, 200, 200, 0.25);"));

client.println(F(" background-image: -webkit-gradient(linear, 0% 0%, 0% 95%, from(rgba(255, 255, 255, 0.7)), to(rgba(255, 255, 255, 0)));"));

client.println(F(" }"));

client.println(F(""));

//and finally this is the end of the style data and header

client.println(F("</style>"));

client.println(F("</head>"));

//now printing the page itself

client.println(F("<body>"));

client.println(F("<div class=\"view\">"));

client.println(F(" <div class=\"header-wrapper\">"));

client.println(F(" <h1>Ethernet Switching</h1>"));

client.println(F(" </div>"));

//////

} //end of htmlHeader

////////////////////////////////////////////////////////////////////////

//htmlFooter Function

////////////////////////////////////////////////////////////////////////

//Prints html footer

void printHtmlFooter(EthernetClient client){

//Set Variables Before Exiting

printLastCommandOnce = false;

printButtonMenuOnce = false;

allOn = "";

allOff = "";

//printing last part of the html

client.println(F("\n<h3 align=\"center\">Arduino porting - Zoomx <br> 12 - February - 2015 - V5.0"));

client.println(F("\n<h3 align=\"center\">Development - Chinh Truc <br> 01 - August - 2014 - V5.0"));

client.println(F("\n<h3 align=\"center\">© Author - Claudio Vella <br> Malta - October - 2012 - "));

client.println(rev);

client.println(F("</h3></div>\n</div>\n</body>\n</html>"));

delay(1); // give the web browser time to receive the data

client.stop(); // close the connection:

Serial.println(F(" - Done, Closing Connection."));

delay (2); //delay so that it will give time for client buffer to clear and does not repeat multiple pages.

} //end of htmlFooter

////////////////////////////////////////////////////////////////////////

//printHtmlButtonTitle Function

////////////////////////////////////////////////////////////////////////

//Prints html button title

void printHtmlButtonTitle(EthernetClient client){

client.println(F("<div class=\"group-wrapper\">"));

client.println(F(" <h2>Switch Device output.</h2>"));

client.println();

}

////////////////////////////////////////////////////////////////////////

//printLoginTitle Function

////////////////////////////////////////////////////////////////////////

//Prints html button title

void printLoginTitle(EthernetClient client){

// client.println(F("<div class=\"group-wrapper\">"));

client.println(F(" <h2>Please enter the user data to login.</h2>"));

client.println();

}

IvanD1 made it!7 months ago

How to drive a relay without a smartphone? How to connect the switch room light? Add the ability to connect switches.

image1.JPG
srmalone11 months ago

Thanks for some great cose - it really looks professional. I am using MEGA and all works fine except I cannot get the board to remeber the sate of the relays on a powercycle. They are either all on or all off depending on settings.

Any ideas why?

tcvella (author)  srmalone10 months ago

Have you loaded my latest version. As not all the versions include that. This feature was added lately.

May I suggest one tiny improvement that will instantly get this code running on an Uno or any other non-Mega. The println (or print) command is very inefficient because it stores all strings in the RAM memory. Use println(F("string")); instead, and the strings will be stored in the Flash memory. This will make the code a whole lot smaller.

Using this, I immediately got the code to run on an Uno.

Hi,

I want to control 16 relay board, how can i change the code? I mean original code(without temp, humi...)

dinovasya8 months ago

About version 4.6

//PS pin addresses 10, 50, 51 and 52 and 53 on the Mega are used for the ethernet shield, therefore cannot be used.

//PS pin addresses 4, are used for the SD card, therefore cannot be used.

Arduino mega doesn't use pin 10, I think.

4,5,6,7 pins are used by relay shield, so how to change the code?

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