RFID Reader Module

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Description: 

13.56MHz RFID module

Interfacing this module to Arduino cannot be easier, it's in TTL serial interface. It can directly connect to Rx and Tx of the Arduino, or to pin 2 and 3 and use softserial library. It comes with two tags, pins and stripped wires.

Operating voltage: 3 - 5.5 V
Sensing distance: 0 - 40 mm


Pin Definitions of RFID card module:

Pin Symbol IO Type Description Arduino or notes

J1-1

RXD

I/O

Uart Receiver serial link to arduino pin 2

J1-2

TXD

I/O

Uart Transmitter serial link to arduino pin 3

J1-3

OUT1

I/O

Output 1

J1-4

OUT2

I

Output 2

J1-5

RST

I

Reset, active-low
floating for power-on reset by default

J1-6

BUZ

I

Buzzer output, high level drive Could be for different model

J1-7

SIG

O

Interrupt output,
LOW level indicates card in the field
arduino digital pin 5
J1-8

VCC

Power

Power Positive to 5v [3v3 can be used but has a smaller field range]
J1-9

GND

GND

Power Negative to gnd  

See this page for tutorials on how to use this RFID module.


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Price: $35.00
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