A000107 Datasheet A000107 | P1-P3

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ARDUINO USB 2 SERIAL MICRO

Code:A000107

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WiththeArduinoUSB2Serialmicrogetthe5voltTXandRXlines

fromacomputerUSBportthatyoucanconnectstraighttothe

ArduinoMini05ortoothermicrocontrollersforprogrammingor

datacommunication.

 ThisboardconvertsaUSBconnectionintoa5voltSerialTXandRXthatyoucan

connectstraighttotheArduinoMini,ArduinoEthernet orothermicrocontrollers,

allowingthemtotalktothecomputer.ItfeaturesanAtmega16U2programmedas

aUSB‐to‐serialconverter,thesamechipfoundontheArduinoUno.The16U2

firmwareusesthestandardUSBCOMdrivers,andnoexternaldriverisneeded.

However,onWindows,a.inffileisrequired.

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TheUSBSerialAdapterhasanonboardmini‐USBconnectorand5pinsincludingRX

(forreceivingdatafromthecomputer)andTX(fortransmittingdata).5V,Ground

andaResetpinarealsoexposed.

Statuslightsincludepower,RXandTXactivity.

TheadaptercaneasilyconnecttotheArduinoEthernet,Mini,Mini

Pro,LilyPad,LilyPadSimple,andFio.

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Anonboardpolyfuselimitsthecurrentto500mAandprotectsthehostcomputer

fromshortcircuits.

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TheATmega16U2firmwaresourcecodeisavailable.TheATmega16U2isloaded

withaDFUbootloader,whichcanbeactivatedbyconnectingthesolderjumperon

thebackoftheboardandthenresettingthe16U2.YoucanthenuseAtmel'sFLIP

software(Windows)ortheDFUprogrammer(MacOSXandLinux)toloadanew

firmware.OryoucanusetheISPheaderwithanexternalprogrammer(overwriting

theDFUbootloader).Seethisuser‐contributedtutorialformoreinformation.

Youcanfindhereyourboardwarrantyinformations.

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http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3886

http://dfu‐programmer.sourceforge.net/

http://www.arduino.cc/cgi‐bin/yabb2/YaBB.pl?num=1285962838

GettingStarted

YoucanfindintheGettingStartedsectionalltheinformationyouneedto

configureyourboard,usetheArduinoSoftware(IDE),andstarttinkerwithcoding

andelectronics.

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https://www.arduino.cc/en/Guide/HomePage

OSH:Schematics

ArduinoUSB2SerialMicro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‐USB2SERIAL‐V5.zip

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SCHEMATICSIN.PDF

https://www.arduino.cc/en/uploads/Main/Arduino‐USB2SERIAL‐V5‐SCH.pdf

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WINDOWSDRIVERS

https://www.arduino.cc/en/uploads/Main/Arduino_USBSerial.zip

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Windowsusersneeda.inffileforthisspecificproduct:Arduino_USBSerial.zip

ForinstallationfollowthesameprocedureonhowinstallanUNOboardonyour

computer.

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https://www.arduino.cc/en/uploads/Main/Arduino_USBSerial.zip

http://arduino.cc/en/Guide/Windows#toc4

Automatic(Software)Reset

TheUSBSerialconnectorisdesignedinaway thatallowsittoresetanattached

boardbysoftwarerunningonaconnectedcomputer.Theexternalresetline

mirrorstheDTRlineofthevirtualserialdeviceonthecomputer.It'stypically

connectedtotheresetlineoftheconnectedboard(e.g.anArduinoEthernet

board)througha100nFcapacitor,allowingtheboardtoresetonupload.

Thissetuphasotherimplications.Whentheboardisconnectedtoeithera

computerrunningMacOSXorLinux,itresetseachtimeaconnectionismadetoit

fromsoftware(viaUSB).Whileitisprogrammedtoignoremalformeddata(i.e.

anythingbesidesanuploadofnewcode),itwillinterceptthefirstfewbytesof

datasenttotheboardafteraconnectionisopened.Ifasketchrunningonthe

boardreceivesone‐timeconfigurationorotherdata whenitfirststarts,makesure

thatthesoftwarewithwhichitcommunicateswaitsasecondafteropeningthe

connectionandbeforesendingthisdata.

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ThepinoutsontheconnectorarecompatiblewithastandardFTDIheader(as

wellastheAdafruitandSparkfunUSB‐Serialadapters).

ConnectingtotheArduinoMini

SeetheguidetotheArduinoMiniforinformationonconnectingtheadaptertothe

Mini.

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https://www.arduino.cc/en/Guide/ArduinoMini

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https://store.arduino.cc/usa/arduino‐usb‐2‐serial‐micro12‐7‐17

P1-P3

A000107

Mfr. #:

Buy A000107

Manufacturer:

Arduino

Description:

Interface Development Tools Micro USB 2 Serial Converte

Lifecycle:

New from this manufacturer.

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A000107