ESPRESSIF SYSTEMS ESPWROOM02 Wi-Fi Internet of Things Module User Manual

ESPRESSIF SYSTEMS (SHANGHAI) PTE LTD Wi-Fi Internet of Things Module

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Contents

1. RF Exposure Info
2. User Manual

User Manual

ESP8266UserManual 2 / 13Espressif SystemsJune 19, 2014 Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowingtwoconditions:(1)Thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemustacceptanyinterferencereceived,includinginterferencethatmaycauseundesiredoperation. 

ESP8266UserManual 3 / 13Espressif SystemsJune 19, 2014 2. TableofContents2.TableofContents.......................................................................................................31. Foreword....................................................................................................................42. FCC RF exposure requirements.................................................................................52.1. StandardsandRegulatoryCompliance................................................................52.1.1. Standardsandcertification..............................................................................52.1.2. FCCcertificationrequirements........................................................................52.1.3. FCCRFexposurerequirements........................................................................73.DownloadTools..........................................................................................................93.1. XTCOM_UTIL........................................................................................................93.2. ESP_FLASH_DOWNLOAD...................................................................................12

ESP8266UserManual 4 / 13Espressif SystemsJune 19, 2014 1. ForewordThismanualmainlyintroduceshowtouseESP8266‐basedSDKforInternetofThings,includingvirtualmachineinstallation,developmenttoolusage,SDKsoftwaredevelopmentkitetc.ThismoduleislimitedtoOEMinstallationonlyandmustnotbesoldtoend‐users.OEMintegratorsmustbeinstructedtoensurethattheend‐userhasnomanualinstructionstoremoveorinstallthedevice.Theend‐usercannotremoveorinstallthismoduletoanyotherdevices.

ESP8266UserManual 5 / 13Espressif SystemsJune 19, 2014 2. FCC RF exposure requirements 2.1. Standards and Regulatory Compliance 2.1.1. Standards and certification TheEUTconformstothefollowingstandardsandcertificationrequirements:802.11b/g/nFCC❒47CFRPart1‐RFradiationexposurelimits❒47CFRPart2‐Equipmentauthorization❒47CFRPartC‐WIFI2.1.2. FCC certification requirements AccordingtothedefinitionofmobileandfixeddeviceisdescribedinPart2.1091(b),thisdeviceisamobiledevice.Andthefollowingconditionsmustbemet:1.TheEUTisamobiledevice;maintainatleasta20cmseparationbetweentheEUTandtheuser’sbodyandmustnottransmitsimultaneouslywithanyotherantennaortransmitter.2.Thedeviceisonlyforfixedoperationmode. (AClassIIChangewouldberequiredfornear‐bodyHostapplications.)3.Alabelwiththefollowingstatementsmustbeattachedtothehostendproduct:ThisdevicecontainsTxFCCID:2AC7Z‐ESP8266EX.4.TocomplywithFCCregulationslimitingbothmaximumRFoutputpowerandhumanexposuretoRFradiation,maximumantennagain(includingcableloss)mustnotexceed:❒802.11bband<2.0dBi❒802.11gband<2.0dBi❒802.11nband<2.0dBi5.Thismodulemustnottransmitsimultaneouslywithanyotherantennaor

ESP8266UserManual 6 / 13Espressif SystemsJune 19, 2014 transmitter6.ThehostendproductmustincludeausermanualthatclearlydefinesoperatingrequirementsandconditionsthatmustbeobservedtoensurecompliancewithcurrentFCCRFexposureguidelines.Forportabledevices,inadditiontotheconditions3through6describedabove,aseparateapprovalisrequiredtosatisfytheSARrequirementsofFCCPart2.1093Ifthedeviceisusedforotherequipmentthatseparateapprovalisrequiredforallotheroperatingconfigurations,includingportableconfigurationswithrespectto2.1093anddifferentantennaconfigurations.Forthisdevice,OEMintegratorsmustbeprovidedwithlabelinginstructionsoffinishedproducts.PleaserefertoKDB784748D01v08,section8.Page6/7lasttwoparagraphs:Acertifiedmodularhastheoptiontouseapermanentlyaffixedlabel,oranelectroniclabel.Forapermanentlyaffixedlabel,themodulemustbelabelledwithanFCCID‐Section2.926(see2.2Certification(labellingrequirements)above).TheOEMmanualmustprovideclearinstructionsexplainingtotheOEMthelabellingrequirements,optionsandOEMusermanualinstructionsthatarerequired(seenextparagraph).Forahostusingacertifiedmodularwithastandardfixedlabel,if(1)themodule’sFCCIDisnotvisiblewheninstalledinthehost,or(2)ifthehostismarketedsothatendusersdonothavestraightforwardcommonlyusedmethodsforaccesstoremovethemodulesothattheFCCIDofthemoduleisvisible;thenanadditionalpermanentlabelreferringtotheenclosedmodule:“ContainsTransmitterModuleFCCID:2AC7Z‐ESPWROOM02”or“Contains FCC ID:2AC7Z-ESPWROOM02”must be used.The host OEMusermanual must alsocontain clearinstructions onhowendusesers canfind and/oraccessthemoduleandtheFCCID.Theusermanualorinstructionmanualforanintentionalorunintentionalradiatorshallcautiontheuserthatchangesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliancecouldvoidtheuser'sauthoritytooperate

ESP8266UserManual 7 / 13Espressif SystemsJune 19, 2014 theequipment.Incaseswherethemanualisprovidedonlyinaformotherthanpaper,suchasonacomputerdiskorovertheInternet,theinformationrequiredbythissectionmaybeincludedinthemanualinthatalternativeform,providedtheusercanreasonablybeexpectedtohavethecapabilitytoaccessinformationinthatform.Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowingtwoconditions:(1)Thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemustacceptanyinterferencereceived,includinginterferencethatmaycauseundesiredoperation.Caution:Changesormodificationsnotexpresslyapprovedbythemanufacturercouldvoidtheuser’sauthoritytooperatetheequipment.2.1.3. FCC RF exposure requirements 1.RadiatedtransmitpowermustbeequaltoorlowerthanthatspecifiedintheFCCGrantofEquipmentAuthorizationforFCCID:2AC7Z‐ESPWROOM02.2.TocomplywithFCCregulationslimitingbothmaximumRFoutputpowerandhumanexposuretoRFradiation,maximumantennagain(includingcableloss)mustnotexceed:❒802.11bband<2.0dBi❒802.11gband<2.0dBi❒802.11nband<2.0dBi3.Thismodulemustnottransmitsimultaneouslywithanyotherantennaortransmitter.4.Toensurecompliancewithallnon‐transmitterfunctionsthehostmanufacturerisresponsibleforensuringcompliancewiththemodule(s)installedandfullyoperational.Forexample,ifahostwaspreviouslyauthorizedasanunintentionalradiatorundertheDeclarationofConformityprocedurewithoutatransmittercertifiedmoduleandamoduleisadded,thehostmanufacturerisresponsibleforensuringthattheafterthemoduleisinstalledandoperationalthehostcontinuestobecompliantwiththePart15Bunintentionalradiator

ESP8266UserManual 8 / 13Espressif SystemsJune 19, 2014 requirements.

ESP8266UserManual 9 / 13Espressif SystemsJune 19, 2014 3. DownloadTools3.1. XTCOM_UTIL Double‐clicktheicon torunthedownloadtooltodownloadthecompiled*.binfilesontotheSPIFlashontheESP8266motherboard.SetthejumperonthemotherboardasMTDO：0，GPIO0：0，GPIO2：1,thenitwillenterdownloadmode.Stepsareasfollows:Step1:setserialportStep2:selecttherightserialportnumberandopenStep3:connect

ESP8266UserManual 10 / 13Espressif SystemsJune 19, 2014 Step4:downloadtheimagefileStep5:selectanddownloadthebinfilewhichyouaregoingtoburnintotheflashNote:ProgramAddressOffsetvariesinaccordancewithbinfile.Forexample,thecorrespondingProgramAddressOffsetforeagle.app.v6.flash.binis0x0000.Pleaserefertobindirectorydescriptionsin"4.2DirectoryStructure".Step6:re‐connectAftercompletionofStep5,re‐connectESP8266motherboardtopower.Close

ESP8266UserManual 11 / 13Espressif SystemsJune 19, 2014 serialportandrepeatStep2andStep3.Step7:selectanddownloadnextbinfilewhichyouaregoingtoburnintotheflash,forexample,eagle.app.v6.irom0text.bin.Note:thecorrespondingProgramAddressOffsetforeagle.app.v6.irom0text.binis0x40000.Pleaserefertobindirectorydescriptionsin"4.2DirectoryStructure".Step8:closeserialportAfterthedownloading,userscancheckandprintrelevantinformationwithSecureCRT.SetthejumperonthemotherboardasMTDO：0，GPIO0：1，GPIO2：1,thenitwillenteroperatingsmode.Note:pleasedisconnectthepowerwhensettingthejumpers.

ESP8266UserManual 12 / 13Espressif SystemsJune 19, 2014 3.2. ESP_FLASH_DOWNLOAD Espressifalsoprovidesthetool"ESP_FLASH_DOWNLOAD"foruserstoburnseveralbinfilesaltogetheratonce,anddownloadseveralcomplied*.binfilesatatimeintotheSPIFlashontheESP8266motherboard.“ESP_FLASH_DOWNLOAD”introduction：（1） Bin‐SelectArea:Choosebinstoburn，andburnthemincorrespondingaddress.（2） SPIFLASHCONFIG:Setconfigofspiflash.“CombineBin”mergesallbinsselectedabovetoone(target.bin).“Default”resettothedefaultconfig.

ESP8266UserManual 13 / 13Espressif SystemsJune 19, 2014 （3） MacAddress：MacaddressofESP8266.AlsosetthejumperonthemotherboardasMTDO：0，GPIO0：0，GPIO2：1,thenitwillenterdownloadmode.Stepsareasfollows:(1) See the red boxes in the picture above, select the bin file to be burned ->fill in the path ->check burning options. (2) Set COM port and baud rate. (3) Click "START" to start downloading. (4) After the downloading, disconnect the power for the motherboard, and change the jumper into operation mode. Re-connect the power for operation. Set the jumper on the motherboard as MTDO：0，GPIO0：1，GPIO2：1 for operating mode. Note: please disconnect the power when setting the jumper.  