Control+an+LED+over+the+Internet+using+the+Arduino+Ethernet+shield

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Control an LED over the Internet using the Arduino Ethernet Shield

16 Apr. 2013

How to control an LED over the Internet using an Arduino and an ethernet shield

SOURCE: http://www.instructables.co/i!/Control"an"#E$"o%er"the"internet"usin&"the"Ar!uino/

Original CODE: http://pastebin.com/C!"!#$"

'AR(S :

1) Ar!uino *+ a usin& the $ueilano%e,

1) Ar!uino Ethernet shiel! *with a -100 chip,

1) noral #E$

%he circuit:

LED anode &'( to Arduino Ethernet shield pin !) LED cathode &*( to +,D

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%HE CODE &-ODIICA%IO, b0 AA1 2! A34IL #526 (

// ILE,A-E 7 LED#.ino// O84CE7 http://www.instructables.com/id/Control9an9LED9over9the9internet9using9the9Arduino/// Control an LED over the internet using the Arduino Ethernet hield and %ransistor// http://www.instructables.com/id/Control9an9LED9over9the9internet9using9the9Arduino/// code O84CE7 http://pastebin.com/C!"!#$"

include ;3I.h? 7 @ 2#1 2!1 21 2 ) // internet access via routerb0te subnet>? 7 @ #1 #1 #1 5 ) //subnet masEtherneterver server&5() //server port

tring readtring)//////////////////////void setup&(@pin-ode&!1 O8%38%() //pin selected to control LED//start EthernetEthernet.begin&mac1 ip1 gatewa01 subnet()server.begin&()//the pin Gor the servo co//enable serial data printerial.begin&!55()erial.println&Jserver LED test 2.5 9999 ILE,A-E 7 LED#.ino J() // so I can eep trac

void loop&(@// Create a client connectionEthernetClient client 7 server.available&()iG &client( @while &client.connected&(( @iG &client.available&(( @

char c 7 client.read&()

//read char b0 char H%%3 re$uestiG &readtring.length&( ; 255( @

//store characters to stringreadtring '7 c)//erial.print&c()

//iG H%%3 re$uest has endediG &c 77 KnK( @

///////////////erial.println&readtring() //print to serial monitor Gor debugingclient.println&JH%%3/2.2 #55 OMJ() //send new pageclient.println&JContent9%0pe: tet/htmlJ()client.println&()

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client.println&J;H%-L

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,et1 go to the I3 Address: 2#.2!.2.2FF and turn on and oGG the LEDQ

Open http://12.16.1.1/ in browser:

E4IAL -O,I%O4 HOP:

DEMO W/O ROUTER

2/ 8E C4O9ORE4 E%HE4,E% CABLE %O CO,,EC% 3C * A4D8I,O E%HE4,E% HIELD

#/ E% -A,8ALLN 3C I3 ADD4In Linu1 edit connections:

elect wired connection S clic on EDI4 >TUVWVXYZ[\Z? :

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6/ -anuall0 insert an I3 address oG the same subnet 2#.2!.2/#] &ie1 2#.2!.2.(1 such as2#.2!.2.25) insert subnet mas #.#.#.5.

]/ %hen chec 0our I3 addr with iGconGig.

/ %hen ping 2#.2!.2.2FF >A4D8I,O E%HE4,E% HIELD?:

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!/ Open http://2#.2!.2.2FF/ in browser and switch LED on/oGG.

Downloaded Grom http://t9h.wiispaces.com/arduino

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