A000024 Datasheet A000024 | P1-P3

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ARDUINO ETHERNET SHIELD 2 

Code:A000024

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TheArduinoEthernetShield2connectsyourArduinotothe

internet.

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 TheArduinoEthernetShield2connectsyourArduinototheinternetinmere

minutes.JustplugthismoduleontoyourArduinoBoard,connectittoyour

networkwithanRJ45cable(notincluded)andfollowafewsimplestepstostart

controllingyourworldthroughtheinternet.AsalwayswithArduino,every

elementoftheplatform–hardware,softwareanddocumentation–isfreely

availableandopen‐source.Thismeansyoucanlearnexactlyhowit'smadeanduse

itsdesignasthestartingpointforyourowncircuits.Hundredsofthousandsof

ArduinoBoardsarealreadyfuelingpeople’screativityallovertheworld,everyday.

Joinusnow,Arduinoisyou!

*RequiresanArduinoBoard(notincluded)

 Operatingvoltage5V (suppliedfromtheArduinoBoard)

 EthernetController:W5500withinternal32Kbuffer

 Connectionspeed:10/100Mb

 ConnectionwithArduinoon SPIport

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TECHSPECS

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 TheArduinoEthernetShield2allowsanArduinoBoardtoconnecttotheinternet.

Itisbasedonthe(WiznetW5500Ethernetchip).TheWiznetW5500providesa

network(IP)stackcapableofbothTCPandUDP.Itsupportsuptoeight

simultaneoussocketconnections.UsetheEthernetlibrarytowritesketchesthat

connecttotheInternetusingtheShield.TheEthernetShield2connectsto an

ArduinoBoardusinglongwire‐wrapheadersextendingthroughtheShield.This

keepsthepinlayoutintactandallowsanotherShieldtobestackedontopofit.

Themostrecentrevision oftheboardexposesthe1.0pinout onrev3ofthe

ArduinoUNOBoard.

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TheEthernetShield2hasastandardRJ‐45connection,withanintegratedline

transformerandPoweroverEthernetenabled.

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Thereisanonboardmicro‐SDcardslot,whichcanbeusedtostorefilesforserving

overthenetwork.ItiscompatiblewiththeArduinoUnoandMega(usingthe

Ethernetlibrary).Theonboardmicro‐SDcardreaderisaccessiblethroughtheSD

Library.Whenworkingwiththislibrary,SSisonPin4.The originalrevisionofthe

Shieldcontainedafull‐sizeSDcard slot;thisisnotsupported.

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TheShieldalsoincludesaresetcontroller,toensurethattheW5500Ethernet

moduleisproperlyresetonpower‐up.PreviousrevisionsoftheShieldwerenot

compatiblewiththeMegaandneededtobemanuallyresetafterpower‐up.The

currentShieldhasaPoweroverEthernet(PoE)moduledesignedtoextractpower

fromaconventionaltwistedpairCategory5Ethernetcable.

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PoEmodulefeaturesasfollows:

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 IEEE802.3afcompliant

 Inputvoltagerange36V to57V

 Overloadandshort‐circuitprotection

 12VOutput

 Highefficiency DC/DCconverter:typ85%@80%load

 1500Visolation(inputtooutput)

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NB:thePoweroverEthernetmoduleisproprietaryhardwarenotmadebyArduino,

itisathirdpartyaccessory.Formoreinformation,see thedatasheet

https://www.arduino.cc/en/uploads/Main/PoE‐datasheet.pdf

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TheShielddoesnotcomewithabuiltinPoEmodule,itisaseparatecomponent

thatmustbeaddedon.ArduinocommunicateswithboththeW5500andSDcard

usingtheSPIbus(throughtheICSPheader).Thisisondigitalpins10,11,12,and

13ontheUnoandpins50,51,and52ontheMega.Onbothboards,pin10isused

toselecttheW5500andpin4fortheSDcard.Thesepinscannotbeusedfor

generalI/O.OntheMega,thehardwareSSpin,53,isnotusedtoselecteitherthe

W5500ortheSDcard,butitmustbekeptasanoutputortheSPIinterfacewon't

work.

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NotethatbecausetheW5500andSDcardsharetheSPIbus,onlyoneatatimecan

beactive.Ifyouareusingbothperipheralsinyourprogram,thisshouldbetaken

careofbythecorrespondinglibraries.Ifyou'renotusingoneoftheperipheralsin

yourprogram,however,you'llneedtoexplicitlydeselectit.Todothis withtheSD

card,setpin 4asanoutputandwriteahightoit.FortheW5500,setdigitalpin10

asahighoutput.

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 TheShieldprovidesastandardRJ45Ethernetjack.

 TheresetbuttonontheShieldresetsboth theW5500andtheArduinoBoard.

 TheShieldcontainsanumberofinformationLEDs:

 ON:indicatesthattheBoardandShieldarepowered

 LINK:indicatesthepresence ofanetworklinkandflasheswhen theShieldtransmitsor

receivesdata

 FDX:indicatesthat thenetworkconnectionisfullduplex

 100M:indicatesthepresenceofa100Mb/snetworkconnection(asopposedto 10Mb/s)

 ACT:flashes whenRXorTXactivityispresent

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ThisshieldalsohostsTinkerkitcompatibleconnectorsasfollows:

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 2TinkerKitconnectorsfortwoAnalogInputs(in white),connected toA2andA3.

 2TinkerKitconnectorsfortwoAanlogOutputs(inorangeinthemiddle),connectedto

PWMoutputsonpinsD5and D6.

 2TinkerKitconnectorsfortheTWIinterface(inwhitewith 4pins),onefor inputand the

otheroneforoutput.

OSH:Schematics

ArduinoEthernetShield2isopen‐sourcehardware!Youcanbuildyourownboard

usingthefollowingfiles:

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EAGLEFILESIN.ZIP

https://www.arduino.cc/en/uploads/Main/arduino‐Ethernet‐Shield2‐V2‐rd.zip

SCHEMATICSIN.PDF

https://www.arduino.cc/en/uploads/Main/arduino‐Ethernet‐Shield2‐V2‐sch.pdf

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PreviousVersion

Doyouownapast versionofthisproduct?ChecktheArduinoEthernetShield

V1productpage.

P1-P3 P4-P4

A000024

Mfr. #:

Buy A000024

Manufacturer:

Arduino

Description:

ETHERNET SHIELD 2 W/O POE

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New from this manufacturer.

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A000024