Overview | Adafruit Optical Fingerprint Sensor

Secure your project with biometrics - this all-in-one optical fingerprint sensor will make adding fingerprint detection and verification super simple. Skiptomaincontent AdafruitOpticalFingerprintSensorOverview Overview Enrollingvs.Searching EnrollingNewUserswithWindows SearchingwiththeSoftware WiringforusewithArduino EnrollingwithArduino Python&CircuitPython PythonDocs Downloads FeaturedProducts Singlepage DownloadPDF Feedback?Corrections? Overview Save Subscribe × NewSubscription Pleasesignintosubscribetothisguide. Youwillberedirectedbacktothisguideonceyousignin,andcanthensubscribetothisguide. Close Secureyourprojectwithbiometrics-thisall-in-oneopticalfingerprintsensorwillmakeaddingfingerprintdetectionandverificationsupersimple.Thesemodulesaretypicallyusedinsafes-there'sahighpoweredDSPchipthatdoestheimagerendering,calculation,feature-findingandsearching.ConnecttoanymicrocontrollerorsystemwithTTLserial,andsendpacketsofdatatotakephotos,detectprints,hashandsearch.Youcanalsoenrollnewfingersdirectly-upto162fingerprintscanbestoredintheonboardFLASHmemory. Welikethisparticularsensorbecausenotonlyisiteasytouse,italsocomeswithfairlystraight-forwardWindowssoftwarethatmakestestingthemodulesimple-youcanevenenrollusingthesoftwareandseeanimageofthefingerprintonyourcomputerscreen.But,ofcourse,wewouldn'tleaveyouadatasheetanda"goodluck!"-wewroteafullArduinolibrarysothatyoucangetrunninginunder10minutes.Thelibrarycanenrollandsearchsoitsperfectforanyproject.We'vealsowrittenadetailedtutorialonwiringanduse.Thisisbyfarthebestfingerprintsensoryoucanget. Supplyvoltage:3.6-6.0VDC Operatingcurrent:120mAmax Peakcurrent:150mAmax Fingerprintimagingtime:<1.0seconds Windowarea:14mmx18mm Signaturefile:256bytes Templatefile:512bytes Storagecapacity:162templates Safetyratings(1-5lowtohighsafety) FalseAcceptanceRate:<0.001%(Securitylevel3) FalseRejectRate:<1.0%(Securitylevel3) Interface:TTLSerial Baudrate:9600,19200,28800,38400,57600(defaultis57600) Workingtemperaturerating:-20Cto+50C Workinghumidy:40%-85%RH FullDimensions:56x20x21.5mm ExposedDimensions(whenplacedinbox):21mmx21mmx21mmtriangular Weight:20grams Enrollingvs.Searching  ThisguidewasfirstpublishedonNov05,2012.Itwaslast updatedonNov05,2012. Thispage(Overview)waslastupdatedonJul18,2022. Texteditorpoweredbytinymce. Difficulty:Intermediate GuideType:Product Contributors:ladyada,KattniRembor Categories:Sensors/Biometric 49Saves FeaturedProducts Fingerprintsensor $49.95 AddtoCart RuggedPanelMountFingerprintSensorwithBi-ColorLEDRing OutofStock AdafruitMETRO328FullyAssembled-ArduinoIDEcompatible OutofStock Breadboardingwirebundle $4.95 AddtoCart RelatedGuides 20mmLEDPixels By PhillipBurgess 3 Beginner HowtoMakeaPogoPinTestJig By TylerCooper 24 Beginner TapTempoTrinket By PhillipBurgess 11 Beginner Yourbrowserdoesnotsupportthevideotag.ThislinkstotheguideMulti-taskingtheArduino-Part1. Multi-taskingtheArduino-Part1 By BillEarl 319 Intermediate TrinketTemperature&HumidityLCDDisplay By AnneBarela 42 Beginner AdafruitDataLoggerShield By BillEarl 83 Beginner Yourbrowserdoesnotsupportthevideotag.ThislinkstotheguideFidgetSpinnerTachometer. FidgetSpinnerTachometer By TonyDiCola 18 Beginner AdafruitCC3000WiFiandXively By M.Schwartz 3 Beginner × OUTOFSTOCKNOTIFICATION YOURNAME YOUREMAIL YouhavebeensuccessfullysubscribedtotheNotificationListforthisproductandwillthereforereceiveane-mailfromuswhenitisbackinstock! Forsecurityreasons,ane-mailhasbeensenttoyouacknowledgingyoursubscription.Pleaserememberthatthissubscriptionwillnotresultinyoureceivinganye-mailfromusaboutanythingotherthantherestockingofthisitem. If,foranyreason,youwouldliketounsubscribefromtheNotificationListforthisproductyouwillfinddetailsofhowtodosointhee-mailthathasjustbeensenttoyou! CLOSE NOTIFYME Search Search Categories