Seeed Grove-NFC Bedienungsanleitung
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Document Revision History
Revision
Date
Author
Description
1.0
Sep 21, 2015
Victor.He
Create file
3
Contents
Document Revision History···································································································2
1. Introduction ···················································································································2
2. Specification···················································································································3
3. Get Started·····················································································································4
4. Related Reading ·············································································································6
5. Resource·························································································································7
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Disclaimer
For physical injuries and possessions loss caused by those reasons which are not related to product quality,
such as operating without following manual guide, natural disasters or force majeure, we take no
responsibility for that.
Under the supervision of Seeed Technology Inc., this manual has been compiled and published which
covered the latest product description and specification. The content of this manual is subject to change
without notice.
Copyright
The design of this product (including software) and its accessories is under tutelage of laws. Any action to
violate relevant right of our product will be penalized through law. Please consciously observe relevant local
laws in the use of this product.
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1. Introduction
Near Field Communication (NFC) is a set of short-range wireless technologies. It's behind daily applications
such as access control system and mobile payment system.
Grove NFC features a highly integrated transceiver module PN532 which handles contactless
communication at 13.56MHz. You can read and write a 13.56MHz tag with this module or implement point
to point data exchange with two NFCs. Grove NFC is designed to use I2C or UART communication protocols,
and UART is the default mode. In addition, we assign an independent PCB antenna which can easily stretch
out
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2. Specification
Working Voltage
3.3V
Working Current:
Static Mode: 73mA
Write/Read Mode: 83mA
Support host interface
I2C, UART (default).
Serve for contactless communication rate
13.56MHz.
Support ISO14443 Type A and Type B protocols.
Max operating distance for detecting NFC tags is 28mm depending on current antenna size.
Support P2P communication.
Dimensions
25.43mm x 20.35mm
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3. Get Started
1. Download PN532 library and put 4 folders(PN532, PN532_SPI, PN532_I2C and PN532_HSU) into
Arduino's libraries.
2. Download Don's NDEF library, put it into Arduino's library and rename it to NDEF.
3. Open Arduino IDE. If Arduino IDE is already opened, restart it.
4. In Arduino IDE, click menus: File -> Example -> NDEF -> ReadTag
5. We used I2C interface in the libraries of NDEF, so please cut off the connection between P1 and
UART via a little knife, and solder P1 and I2C together.
Debug for Grove - NFC v1.0 : There's a bug while using I2C communication, please use jumper wires to
follow those connection
Arduino/Arduino Mega
Grove - NFC
SCL
RX
SDA
TX
GND
GND
5V
VCC
Also you can use UART interface without cutting any connection, Seeeduino Mega (Arduino Mega) or
Seeeduino lite(Arduino Leonardo) are preferred. Following are the modified program.
#include "PN532_HSU.h"
#include "PN532.h"
#include "NfcAdapter.h"
PN532_HSU interface(Serial1);
NfcAdapter nfc =NfcAdapter(interface);
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void setup(void){
Serial.begin(115200);
Serial.println("NDEF Reader");
nfc.begin();
}
void loop(void){
Serial.println("\nScan a NFC tag\n");
if (nfc.tagPresent())
{
NfcTag tag =nfc.read();
tag.print();
}
delay(5000);
}
Of course, you can communicate Grove - NFC with Seeeduino/Arduino UNO via UART interface, but you
can't get any information on the monitor of Arduino IDE.
Dieses Handbuch passt für folgende Modelle
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