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NFC module

● NFC module introduction

What is NFC module? NFC is the abbreviation of Near Field Communication, which means short-range wireless communication technology, and the NFC module refers to a module with this technology. The NFC module is a low power consumption highly integrated 13.56MHz contactless reader module.

NFC module

Near Field Communication is a short-range, high-frequency wireless communication technology that allows contactless point-to-point data transfer (within ten centimeters) to exchange data between electronic devices. This technology evolved from contactless radio frequency identification (RFID) and is backward compatible with RFID. It is mainly used to provide M2M (Machine to Machine) communication in handheld devices such as mobile phones.

The NFC module adopts SL2823 as the core non-contact reader chip, supports a variety of non-contact communication protocols, and provides read and write ISO/IEC 14443 Type A/B MIFARE. Due to the natural security of short-range wireless communication, NFC module are widely used in POS mobile payment, bus cards, bank cards, access control cards, meal cards, water cards and other occasions.

● NFC module datasheet for hardware

Mechanical Dimensions 50*31mm
interface Use I2C by default.
Can be switched to SPI interface by changing solder resistance and macro definition.
UART is not supported
Voltage 3.3V
The maximum emission current of the chip is 150 mA
Chip soft power-down mode current 3.5uA
characteristic Supports reader mode as PCD/VCD.
Supports Enhanced Ultra Low Power Card Detection (LPCD) function.
Automatically trigger an interrupt when a card is detected.
The read and write distance is about 2~4 cm, and the send and receive FIFO buffer of 64 Bytes is integrated with the specific tag/card.
supporting agreement ISO/IEC 14443 Type A/B
lSO 15693
JIS 6319-4 Sony Felica
MIFARE
Communication and interface speed 106 Kbps, 212 Kbps, 424 Kbps, 848 Kbps depending on specific tag/card.
SPI up to 10Mbps.
I2C up to 3.4Mbps.

● NFC module eatures

1.Support a variety of non-contact communication protocols.

2.Support I2C/SPI communication, read and write distance 2-4CM.

3.Support ultra-low power card check (LPCD) function and LPCD power saving mode.

4.It can be widely used in NFC card reading application scenarios of smart door locks, smart car locks and other devices.

● NFC module experiment

NFC module  Query mode experiment

Query mode experimental phenomenon

NFC module  LPCD Mode experiment

LPCD Mode Experimental Phenomenon

● NFC module pplication scenarios

A NFC module is a module that uses wireless technology for wireless transmission. This NFC module is widely used in wireless RF scenarios such as smart door locks, wireless meter reading, access control systems, community paging, identification, non-contact RF smart cards, security fire protection systems, and wireless remote control systems.

NFC module  application scenarios

● NFC module schematic

NFC module v3 schematic
NFC module schematic

● NFC module shipping List

NFC module  Shipping List

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