RFID,NFC Module(PN532): 두 판 사이의 차이
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{{#seo:|title= | {{#seo:|title=ArduWiki: Arduino RFID, NFC Module (PN532) Guide|title_mode=append|keywords=Arduino, Information Science, Maker Learning, Performance Evaluation, RFID, NFC Module (PN532), Arduino Projects, Capstone Projects, Arduino Example Code|description=Introduces how to control the RFID, NFC Module (PN532) with Arduino (basic information, circuit, example code). Can be used in Information Science and Maker classes.}} | ||
[[File:PN532.jpg|center|class=coders100]] | [[File:PN532.jpg|center|class=coders100]] | ||
This is an NFC module that allows communication mode selection among UART, I2C, and SPI through two built-in switches. | This is an NFC module that allows communication mode selection among UART, I2C, and SPI through two built-in switches. | ||
In this document, we proceed with the I2C method. For those interested in other methods, please refer to the [https://how2electronics.com/interfacing-pn532-nfc-rfid-module-with-arduino/ PN532 guide]. | In this document, we proceed with the I2C method. For those interested in other methods, please refer to the [https://how2electronics.com/interfacing-pn532-nfc-rfid-module-with-arduino/ PN532 guide]. | ||
== '''Specifications''' == | == '''Specifications''' == | ||
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* Interface: UART, I2C, SPI | * Interface: UART, I2C, SPI | ||
* Operating Distance: up to 5cm ~ 7cm | * Operating Distance: up to 5cm ~ 7cm | ||
== '''Hardware''' == | == '''Hardware''' == | ||
| 16번째 줄: | 18번째 줄: | ||
* PN532 | * PN532 | ||
* Jumper cables | * Jumper cables | ||
== '''Connection''' == | == '''Connection''' == | ||
| 42번째 줄: | 45번째 줄: | ||
* PN532 | * PN532 | ||
* NfcAdapter | * NfcAdapter | ||
=== [https://blog.naver.com/gongzipsa/222946983743 Library Download] === | === [https://blog.naver.com/gongzipsa/222946983743 Library Download] === | ||
=== [[Arduino Libraries|Installation Method]] === | === [[Arduino Libraries|Installation Method]] === | ||
== '''Example Code''' == | == '''Example Code''' == | ||
| 81번째 줄: | 87번째 줄: | ||
</syntaxhighlight> | </syntaxhighlight> | ||
=== Execution Result === | === Execution Result === | ||
[[File:PN532 실행결과.png|center|class=coders100]] | [[File:PN532 실행결과.png|center|class=coders100]] | ||
2025년 3월 21일 (금) 16:48 판
This is an NFC module that allows communication mode selection among UART, I2C, and SPI through two built-in switches.
In this document, we proceed with the I2C method. For those interested in other methods, please refer to the PN532 guide.
Specifications
- Operating Voltage: 5V
- Interface: UART, I2C, SPI
- Operating Distance: up to 5cm ~ 7cm
Hardware
- Arduino
- PN532
- Jumper cables
Connection
| Arudino UNO | PN532 |
| 5V | VCC |
| GND | GND |
| A4 | SDA |
| A5 | SCL |
Libraries
- Wire
- PN532_I2C
- PN532
- NfcAdapter
Library Download
Installation Method
Example Code
// for I2C Communication (SDA(A4), SCL(A5))
#include <Wire.h>
#include <PN532_I2C.h>
#include <PN532.h>
#include <NfcAdapter.h>
PN532_I2C pn532_i2c(Wire);
NfcAdapter nfc = NfcAdapter(pn532_i2c);
String tagId = "None";
byte nuidPICC[4];
void setup(void) {
Serial.begin(9600);
Serial.println("Serial start");
nfc.begin();
}
void loop() {
readNFC();
}
void readNFC() {
if (nfc.tagPresent()) {
Serial.println("============================================");
NfcTag tag = nfc.read();
tag.print();
tagId = tag.getUidString();
}
delay(1000);
}
Execution Result
