SDA

SCK

MOSI

MISO

RIQ

GND

RST

3.3V

ARDUINO PIN 10

ARDUINO PIN 13

ARDUINO PIN 11

ARDUINO PIN 12

ARDUINO PIN 9 RF

ID

-R

C522

UNO

7 6 5 4

3 2

1

0

AR

EF

G

ND

13

12

11

10

9

8

A0

A1

A2

A3

A4

A5

RS

T

3V

3

5V

GN

D

GN

D

Vin

ARDUINO

ARDUINO UNO

116

LCD

AR

DU

IN

O P

IN

3

AR

DU

IN

O P

IN

4

AR

DU

IN

O P

IN

5

AR

DU

IN

O P

IN

6

AR

DU

IN

O P

IN

7

A

RD

UIN

O P

IN

8

- +

BUZZER

ARDUINO PIN A1

ARDUINO PIN A0

READ BUTTON

WRONG CLASS

RE

SIS

TO

R 470

AR

DU

IN

O P

IN

2

LED RED

RE

SIS

TO

R 470

AR

DU

IN

O P

IN

A

4

LED

GREEN

REMARK:

FOR LED PLEASE OBSERVE FLAG

AND FLAT LEG

PROJECT NO : 55

TITLE : RFID EXAMINATION ATTENDANCE

www.arduino4u.com

A

R

D

U

I

www.arduino4u.com

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