Arduino uno Pinout

LEGEND

CONTROL

PHYSICAL PIN

PORT PIN

ATMEGA328 PIN FUNC

DIGITAL PIN

ANALOG-RELATED PIN

PWM PIN

SERIAL PIN

ARDUINO PIN

©    Source Total 150mA

#-Source Total 150mA

o

A

0

General Information Pay Attention

No Really

ITE

PAY ATTENTION

LED

THE

UNOFFICIAL

ARDUINO

UNO

PINOUT DIAGRAM

RESET

RXD

TXD

	2	k
OC2B H ^PWM H	3	K
to -o-r

INT1

XCK

OŚĆ! |— XTAL1 | OSC2 |— XTAL2 OCOB (—[ PWM )—j

1 V1N [

7-12v depending on current drawn

A

Absolute max per pin 40mA reccomended

Absolute max 200mA for entire package

Reserved

U

R3 Only O

| IOREF
RESET
i 3V3
5V -
	•
rwn
unu	W
r.wn	a
VJI1U	• A
Vin

		PCINT8	—	ADCO
		PCINT9		ADC1
ntsl lOflmA		PCINT10		ADC2
		PCINT11		ADC3
SDA		PCINT12		ADC4
SCL		PCINT13		ADC5

OCOA 'r\ PWM V

POWER

BARREL

JACK

ICSP

fi

ni m ni

X PCINT5 X«H I-C PCINT16 |—[ PDO >-X PCINT17 )H PD1 )—» H PCINT18 H PD2}-* "~J-( PCINT19 J—[ PD3 J—• "'hi PCINT20 \-\ PD4 [—

~V[ PCINT6 |-H PB6 )— ~H PCINT7 PB7 )—» H PCINT21 H ^PD51~~* PCINT22 |-( PD6 J—• X PCINT23 |H PD7 3-

>| PCINTO ]—| PBO ]—•

1		28
2		27
3		26
4		25
5	00 Csl	24
6	m	23
7	< u	22
8	LU 2	21
9	H	20
10	<	19
11		18
12		17
13		16
14		15

VCC

—' PB5 }-Ą PCINT5 -

•—£ PC5 ]—[ PCINT13 }

fp«1	H H H H H	PCINT12 ■
(EEI		PCINT11 |
' PC 2 |		PCINTlO^r
■ PCI j		PCINT9 ;
■X£j		PCINT8 }
GND 3gg|gg
■' AREF

SCL j

H ^SDA .

h	13
H	12
h	11
H	10
-

— PWM

PWM —[ MOSI ]

PB2~f4 PCINT2 j-1 OC1B    PWM —

SS

•— PBlf^ PCINT1 '-{ OC1A -

GNO