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Two small green circuit boards with gold antenna coils and a white card

KEHIPI

KEHIPI PN532 NFC RFID Module V3 Kit 2 PCS with S50 Card

SKU CH-ZFF7-MTW1J

Two PN532 modules read and write NFC and RFID tags at up to 7 cm and include an S50 card for Arduino or Raspberry Pi projects

  • Reads and writes many card types including Mifare and FeliCa
  • Switches between I2C, SPI and HSU without rewiring
  • On-board level shifter gives 5 V TTL on I2C and UART, 3.3 V TTL on SPI
  • Typical read distance of 5 cm to 7 cm suits compact enclosures
  • Works in NFC or RFID mode and exchanges data with phones

Dual PN532 NFC RFID Kit for Makers

This kit supplies two PN532 NFC RFID modules ready for Arduino, Raspberry Pi or smartphone projects. Each board reads and writes Mifare, DesFire, ISO/IEC 14443-4, Innovision Jewel and FeliCa cards. An on-board level shifter provides 5 V TTL for I2C and UART plus 3.3 V TTL for SPI. The modules suit hobbyists adding contactless access or data exchange to DIY builds.

I2C SPI HSU Interfaces with Level Shifting

The board offers I2C, SPI and HSU modes selectable for the host controller. Standard 5 V TTL on I2C and UART connects directly to 5 V microcontrollers, while 3.3 V TTL SPI suits modern single-board computers. A built-in PCB antenna gives a typical 5 cm to 7 cm read range, and the compact gilt PCB fits tight enclosures without extra cabling.

Replaces Single-Channel NFC Shields

Two modules let a project run a reader and a peer device simultaneously, removing the need to swap roles in code. The jump is worth it when a build requires concurrent card emulation and tag reading, or when redundant readers cover separate access points. Single-module shields cannot support P2P communication with a phone while polling cards.

Highlights

  • Reads and writes many card types including Mifare and FeliCa
  • Switches between I2C, SPI and HSU without rewiring
  • On-board level shifter gives 5 V TTL on I2C and UART, 3.3 V TTL on SPI
  • Typical read distance of 5 cm to 7 cm suits compact enclosures
  • Works in NFC or RFID mode and exchanges data with phones

Specifications

BrandAITRIP

Questions about this item

How far can the PN532 module reliably read a tag when running continuously?

The on-board PCB antenna gives a typical communication distance of 4 cm to 6 cm, while the updated specification lists a reading distance of 5 cm to 7 cm.

Does the board run hot or draw extra power during all-day NFC scanning?

The module includes an on-board level shifter that provides standard 5 V TTL for I2C and UART and 3.3 V TTL for SPI, keeping power draw low and heat minimal during continuous operation.

Which host boards and voltage levels are needed to start using the kit?

The kit works with Arduino or Raspberry Pi platforms; the level shifter supplies 5 V TTL on I2C and UART and 3.3 V TTL on SPI, so the host must provide matching logic levels.

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