ReferenceDesignsAREPROVIDED"ASIS"AND"WITHALLFAULTS.ArduinoSADISCLAIMSALLOTHERWARRANTIES,EXPRESSORIMPLIED,

REGARDINGPRODUCTS,INCLUDINGBUTNOTLIMITEDTO,ANYIMPLIEDWARRANTIESOFMERCHANTABILITYORFITNESSFORA

PARTICULARPURPOSE

ArduinoSAmaymakechangestospecificationsandproductdescriptionsatanytime,withoutnotice.TheCustomermustnot

relyontheabsenceorcharacteristicsofanyfeaturesorinstructionsmarked"reserved"or"undefined."ArduinoSAreserves

theseforfuturedefinitionandshallhavenoresponsibilitywhatsoeverforconflictsorincompatibilitiesarisingfromfuturechangestothem.

TheproductinformationontheWebSiteorMaterialsissubjecttochangewithoutnotice.Donotfinalizeadesignwiththisinfo

ARDUINOandotherArduinobrandsandlogosandTrademarksofArduinoSA.AllArduinoSATrademarkscannotbeusedwithoutowner'sformalpermission

GND

GND

GNDGND

+3V3

22p

+3V3

100n

GND

+3V3

GND

GND

PS1 5

VDD

VDDIO

XIN32

XOUT32

A5

A4

A1

DAC0/A0

AREF

A6

VIN

C2

5 6

1*4

U$2

J2

GND

+V

TX/SDA

RX/SCL