{"product_id":"pn532-nfc-reader-writer-module-13-56mhz-i2c-spi-uart-arduino-raspberry-pi","title":"PN532 NFC Reader \/ Writer Module 13.56MHz | I2C SPI UART | Arduino Raspberry Pi | RFID Card Read Write","description":"\u003ch2\u003ePN532 NFC Reader \/ Writer Module — 13.56MHz | I2C \/ SPI \/ UART | Arduino \/ Raspberry Pi\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003ePN532\u003c\/strong\u003e is the most capable and widely supported NFC (Near Field Communication) controller IC in the maker community — a complete 13.56MHz NFC reader\/writer solution that supports reading and writing Mifare Classic, Mifare Ultralight, NTAG203\/213\/215\/216, ISO14443A, ISO14443B, and FeliCa cards and tags. Unlike simpler RFID modules (RC522) that only read card UIDs, the PN532 can read and write data to NFC card memory blocks, emulate NFC cards, and perform peer-to-peer NFC communication. Three interface modes — I2C, SPI, and UART — are selectable via onboard DIP switches, providing maximum compatibility with any microcontroller. Operates from 3.3V to 5.5V, compatible with Arduino (5V) and Raspberry Pi (3.3V).\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNXP PN532\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13.56MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.3V – 5.5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eI2C \/ SPI \/ UART (DIP switch selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRead Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to ~5cm (card dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported Standards\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eISO14443A\/B, Mifare Classic, Mifare Ultralight, NTAG, FeliCa\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFunctions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRead UID, read\/write memory blocks, card emulation, P2P\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOptions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eModule only \/ Module + NFC cards set\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePN532 vs. RC522 — Which NFC Module to Choose\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003ePN532 (this product)\u003c\/th\u003e\n\u003cth\u003eRC522\u003c\/th\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRead card UID\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRead\/write card memory\u003c\/td\u003e\n\u003ctd\u003eYes (full block read\/write)\u003c\/td\u003e\n\u003ctd\u003eLimited\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCard emulation\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePeer-to-peer NFC\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSupported card types\u003c\/td\u003e\n\u003ctd\u003eMifare, NTAG, ISO14443A\/B, FeliCa\u003c\/td\u003e\n\u003ctd\u003eMifare Classic, ISO14443A only\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eI2C \/ SPI \/ UART (selectable)\u003c\/td\u003e\n\u003ctd\u003eSPI only\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e3.3V–5.5V\u003c\/td\u003e\n\u003ctd\u003e3.3V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eFull NFC applications, card emulation, P2P\u003c\/td\u003e\n\u003ctd\u003eSimple UID reading, access control\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInterface Selection (DIP Switch)\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eInterface\u003c\/th\u003e\n\u003cth\u003eDIP Switch Setting\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eI2C\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSW1=ON, SW2=OFF\u003c\/td\u003e\n\u003ctd\u003eArduino (A4\/A5), Raspberry Pi (GPIO2\/3)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSPI\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSW1=OFF, SW2=OFF\u003c\/td\u003e\n\u003ctd\u003eHigh-speed communication, multiple devices\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUART\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSW1=OFF, SW2=ON\u003c\/td\u003e\n\u003ctd\u003eSerial communication, long-distance\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eNXP PN532 chip\u003c\/strong\u003e — the industry-standard NFC controller with full read\/write\/emulation capability\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eI2C \/ SPI \/ UART selectable\u003c\/strong\u003e — DIP switch interface selection for maximum microcontroller compatibility\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eFull card memory read\/write\u003c\/strong\u003e — read and write data to Mifare Classic, Mifare Ultralight, and NTAG memory blocks\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eCard emulation\u003c\/strong\u003e — emulate NFC cards for testing and development\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003e3.3V–5.5V supply\u003c\/strong\u003e — compatible with Arduino (5V) and Raspberry Pi (3.3V)\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eAdafruit PN532 library support\u003c\/strong\u003e — well-maintained Arduino and Raspberry Pi libraries available\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAccess control system (NFC card reader)\u003c\/li\u003e\n  \u003cli\u003eAttendance tracking system\u003c\/li\u003e\n  \u003cli\u003eNFC-based payment and loyalty card system\u003c\/li\u003e\n  \u003cli\u003eSmart lock and door access\u003c\/li\u003e\n  \u003cli\u003eNFC tag reading and writing (URL, text, vCard)\u003c\/li\u003e\n  \u003cli\u003eInventory and asset tracking\u003c\/li\u003e\n  \u003cli\u003eArduino NFC project development\u003c\/li\u003e\n  \u003cli\u003eRaspberry Pi NFC reader\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eArduino Quick Start (I2C Mode)\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eSet DIP switches: SW1=ON, SW2=OFF (I2C mode).\u003c\/li\u003e\n  \u003cli\u003eConnect VCC to Arduino 5V, GND to GND, SDA to A4, SCL to A5.\u003c\/li\u003e\n  \u003cli\u003eInstall the \u003cstrong\u003eAdafruit PN532\u003c\/strong\u003e library via Arduino Library Manager.\u003c\/li\u003e\n  \u003cli\u003eRun the \u003cstrong\u003ereadMifare\u003c\/strong\u003e example to read NFC card UIDs.\u003c\/li\u003e\n  \u003cli\u003eUse \u003ccode\u003enfc.readPassiveTargetID()\u003c\/code\u003e to detect and read cards.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this module read standard NFC-enabled smartphones?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The PN532 supports ISO14443A and FeliCa, which are used by Android and iOS NFC. In peer-to-peer mode, the PN532 can exchange data with NFC-enabled smartphones.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the maximum read range?\u003c\/strong\u003e\u003cbr\u003eA: Typical read range is 3–5cm for standard NFC cards and tags. Range varies with card type, antenna size, and environmental factors.\u003c\/p\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× PN532 NFC Reader\/Writer Module\u003c\/li\u003e\n  \u003cli\u003eOption: + NFC card set (as selected)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Module","offer_id":46985504948459,"sku":"14:1202#Module","price":24.16,"currency_code":"USD","in_stock":true},{"title":"a set","offer_id":46985504981227,"sku":"14:350852#a set","price":26.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/pn532-13-56mhz-nfc-reader-writer-raspberry-pi.webp?v=1761279810","url":"https:\/\/keszoox.com\/products\/pn532-nfc-reader-writer-module-13-56mhz-i2c-spi-uart-arduino-raspberry-pi","provider":"Keszoox","version":"1.0","type":"link"}