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

GNDGNDGNDGNDGNDGND

+5V

GND

+3V3

100n

10u

GND

1k91

110p

GND

100n

DNP

GND

470k

470k

470k

470k

100k

100n

GND

+5V

+5V

A5

A4

A3

A2

5V

A0

A1

A2

A4

A5

D0

D3

D4

D5

C6

C8

R9

R11

R13

R17

R19

A1

A5

A6

A7

A8

10

B1 18

B2 17

GND

OE

20

D5

D4

D3

D1

RX

TX

I/O3

I/O4

I/O5

I/O5

I/O6

I/O1

I/O0

I/O0

AN0

AN0

AN0

AN1

AN1

AN3

AN4

AN4

AN5

AN5

AN6

AN6