123456123456123456AD6x1F-H8.5C1100nC2100nC31uC4100nC5100nC6100nC7100nC81uC922pC1122pD1M7D2CD1206-S01575D3CD1206-S01575F1MF-MSMF050-2500mA***GNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGND1212GROUND*123456ICSP3x2M123456ICSP13x2M1234567891012345678910IOH10x1F-H8.51234567812345678IOL8x1F-H8.512341234JP22x2M-NMLYELLOWL1BLM21ONGREEN+5V+5V+5V+5V+5V+5V+5V+5V+5V+5V+5V+5V+5V+5V+5V+5V+5V+5V+5V+5V+5V+5V+PC147u+PC247u1234567812345678POWER8x1F-H8.5R11MR21M12345RESETTS42031-160R-TR-72601212RESET-EN*18RN1A10K27RN1B10K36RN1C10K45RN1D10K18RN2A1K27RN2B1K36RN2C1K45RN2D1K18RN3A22R27RN3B22R36RN3C22R45RN3D22R18RN4A1K27RN4B1K36RN4C1K45RN4D1KRXYELLOWT1FDN340PTXYELLOWReferenceDesignsAREPROVIDEDASISANDWITHALLFAULTS.ArduinoDISCLAIMSALLOTHERWARRANTIES,EXPRESSORIMPLIED,Arduinomaymakechangestospecificationsandproductdescriptionsatanytime,withoutnotice.TheCustomermustnotREGARDINGPRODUCTS,INCLUDINGBUTNOTLIMITEDTO,ANYIMPLIEDWARRANTIESOFMERCHANTABILITYORFITNESSFORAPARTICULARPURPOSErelyontheabsenceorcharacteristicsofanyfeaturesorinstructionsmarkedreservedorundefined.Arduinoreservestheseforfuturedefinitionandshallhavenoresponsibilitywhatsoeverforconflictsorincompatibilitiesarisingfromfuturechangestothem.TheproductinformationontheWebSiteorMaterialsissubjecttochangewithoutnotice.Donotfinalizeadesignwiththisinformation.ARDUINOisaregisteredtrademark.*1IN3OUT42U1NCP1117ST50T3GGND2IN1NC/FB4ON/!OFF3OUT5U2LP2985-33DBVR(AIN0/INT1)PD17(AIN2/PCINT11)PC25(CTS/HWB/AIN6/TO/INT7)PD713(INT4/ICP1/CLK0)PC722(INT5/AIN3)PD410(OC0B/INT0)PD06(OC1A/PCINT8)PC623(PCINT5)PB519(PCINT6)PB620(PCINT7/OC0A/OC1C)PB721(PCINT9/OC1B)PC525(PCINT10)PC426(PD0/MISO/PCINT3)PB317(PDI/MOSI/PCINT2)PB216(RTS/AIN5/INT6)PD612(RXD1/AIN1/INT2)PD28(SCLK/PCINT1)PB115(SS/PCINT0)PB014(T1/PCINT4)PB418(TXD1/INT3)PD39(XCK/AIN4/PCINT12)PD511AVCC32D+29D-30GND3PAD33RESET(PC1/DW)24UCAP27UGND28UVCC31VCC4XTAL11XTAL2(PC0)2U3ATMEGA16U2-MU(R)321U5ALMV358IDGKR567U5BLMV358IDGKR84V+V-*112233X1POWERSUPPLY_DC21MMX*1234P$1P$1P$2P$2USBX2USB-B_TH12Y116MHzCSTCE16M0V53-R016MHZZ1CG0603MLC-05EZ2CG0603MLC-05E(ADC0)PC0)23(ADC1)PC124(ADC2)PC225(ADC3)PC326(ADC4)PC427(ADC5)PC528(AIN0)PD612(AIN1)PD713(ICP)PB014(INT0)PD24(INT1)PD35(MISO)PB418(MOSI)PB317(OC1)PB115(RXD)PD02(SCK)PB519(SS)PB216(T0)PD46(T1)PD511(TXD)PD13AGND22AREF21AVCC20GND8RESET1VCC7XTAL19XTAL210ZU4ATMEGA328P-PU+3V3+3V3+3V3+5V+5VAD0AD1AD2AD3AD4/SDAAD4/SDAAD5/SCLAD5/SCLAREFAREFCMPD+D-DTRGATE_CMDGNDIO0IO1IO2IO3IO4IO5IO6IO7IO8IO9L13M8RXDM8RXDM8TXDM8TXDMISOMISO2MISO2MOSIMOSI2MOSI2PB4PB5PB6PB7PWRINRD+RD+RD-RD-RESETRESETRESET2RESET2RXLEDSCKSCKSCK2SCK2SSSSTP_VUCAPTXLEDUGNDUGNDUSBVCCUSBVCCUSBVCCUSHIELDVINVINVINXT1XT1XT2XTAL1XTAL2XUSB012345678910111213Arduino(TM)UNORev3USBbootEnSDASCLUseoftheARDUINOnamemustbecompliantwith