![Amazon.com: Stemedu RC522 RFID Reader Writer Module RF IC Card Sensor with S50 White Card + Writable Key Ring for Arduino Raspberry Pi Nano NodeMCU (Pack of 2sets) : Electronics Amazon.com: Stemedu RC522 RFID Reader Writer Module RF IC Card Sensor with S50 White Card + Writable Key Ring for Arduino Raspberry Pi Nano NodeMCU (Pack of 2sets) : Electronics](https://m.media-amazon.com/images/I/61EeNWMSAfL.jpg)
Amazon.com: Stemedu RC522 RFID Reader Writer Module RF IC Card Sensor with S50 White Card + Writable Key Ring for Arduino Raspberry Pi Nano NodeMCU (Pack of 2sets) : Electronics
![Amazon.com: HiLetgo RFID Kit - Mifare RC522 RF IC Card Sensor Module + S50 Blank Card + Key Ring for Arduino Raspberry Pi : Electronics Amazon.com: HiLetgo RFID Kit - Mifare RC522 RF IC Card Sensor Module + S50 Blank Card + Key Ring for Arduino Raspberry Pi : Electronics](https://m.media-amazon.com/images/I/41pPB2EHahL._AC_SY350_.jpg)
Amazon.com: HiLetgo RFID Kit - Mifare RC522 RF IC Card Sensor Module + S50 Blank Card + Key Ring for Arduino Raspberry Pi : Electronics
![Amazon.com: Songhe PN532 NXP NFC RFID Module V3 Kit Writer Reader Near Field Communication Module Kit I2C SPI HSU with S50 CUID White Card Key Card for Arduino Raspberry Pi Android Black Amazon.com: Songhe PN532 NXP NFC RFID Module V3 Kit Writer Reader Near Field Communication Module Kit I2C SPI HSU with S50 CUID White Card Key Card for Arduino Raspberry Pi Android Black](https://m.media-amazon.com/images/I/71jn96gYRkL.jpg)
Amazon.com: Songhe PN532 NXP NFC RFID Module V3 Kit Writer Reader Near Field Communication Module Kit I2C SPI HSU with S50 CUID White Card Key Card for Arduino Raspberry Pi Android Black
![Amazon.com: AITRIP 2 PCS PN532 NFC NXP RFID Module V3 Kit Near Field Communication Reader Module Kit I2C SPI HSU with S50 White Card Key Card Compatible with Arduino Raspberry Pi DIY Amazon.com: AITRIP 2 PCS PN532 NFC NXP RFID Module V3 Kit Near Field Communication Reader Module Kit I2C SPI HSU with S50 White Card Key Card Compatible with Arduino Raspberry Pi DIY](https://m.media-amazon.com/images/I/71C2-JnO0WL.jpg)
Amazon.com: AITRIP 2 PCS PN532 NFC NXP RFID Module V3 Kit Near Field Communication Reader Module Kit I2C SPI HSU with S50 White Card Key Card Compatible with Arduino Raspberry Pi DIY
![Amazon.com: SunFounder Reader Module Kit Mifare RC522 Reader Module with S50 White Card and Key Ring Compatible with Arduino Raspberry Pi : Electronics Amazon.com: SunFounder Reader Module Kit Mifare RC522 Reader Module with S50 White Card and Key Ring Compatible with Arduino Raspberry Pi : Electronics](https://m.media-amazon.com/images/I/41yDAMU69JL._AC_SY580_.jpg)
Amazon.com: SunFounder Reader Module Kit Mifare RC522 Reader Module with S50 White Card and Key Ring Compatible with Arduino Raspberry Pi : Electronics
![Amazon.com: SunFounder Reader Module Kit Mifare RC522 Reader Module with S50 White Card and Key Ring Compatible with Arduino Raspberry Pi : Electronics Amazon.com: SunFounder Reader Module Kit Mifare RC522 Reader Module with S50 White Card and Key Ring Compatible with Arduino Raspberry Pi : Electronics](https://m.media-amazon.com/images/I/91-8V3rdWQL.jpg)
Amazon.com: SunFounder Reader Module Kit Mifare RC522 Reader Module with S50 White Card and Key Ring Compatible with Arduino Raspberry Pi : Electronics
![Amazon.com: Stemedu RC522 RFID Reader Writer Module RF IC Card Sensor with S50 White Card + Writable Key Ring for Arduino Raspberry Pi Nano NodeMCU (Pack of 2sets) : Electronics Amazon.com: Stemedu RC522 RFID Reader Writer Module RF IC Card Sensor with S50 White Card + Writable Key Ring for Arduino Raspberry Pi Nano NodeMCU (Pack of 2sets) : Electronics](https://m.media-amazon.com/images/I/317J9mtbYgL.jpg)
Amazon.com: Stemedu RC522 RFID Reader Writer Module RF IC Card Sensor with S50 White Card + Writable Key Ring for Arduino Raspberry Pi Nano NodeMCU (Pack of 2sets) : Electronics
![Amazon.com: SunFounder Reader Module Kit Mifare RC522 Reader Module with S50 White Card and Key Ring Compatible with Arduino Raspberry Pi : Electronics Amazon.com: SunFounder Reader Module Kit Mifare RC522 Reader Module with S50 White Card and Key Ring Compatible with Arduino Raspberry Pi : Electronics](https://m.media-amazon.com/images/I/71zwQjs1gGL.jpg)
Amazon.com: SunFounder Reader Module Kit Mifare RC522 Reader Module with S50 White Card and Key Ring Compatible with Arduino Raspberry Pi : Electronics
![Amazon.com: SunFounder Reader Module Kit Mifare RC522 Reader Module with S50 White Card and Key Ring Compatible with Arduino Raspberry Pi : Electronics Amazon.com: SunFounder Reader Module Kit Mifare RC522 Reader Module with S50 White Card and Key Ring Compatible with Arduino Raspberry Pi : Electronics](https://m.media-amazon.com/images/I/61MmLhRDQmL._AC_SY580_.jpg)
Amazon.com: SunFounder Reader Module Kit Mifare RC522 Reader Module with S50 White Card and Key Ring Compatible with Arduino Raspberry Pi : Electronics
![Amazon.com: HiLetgo 3pcs RFID Kit - Mifare RC522 RF IC Card Sensor Module + S50 Blank Card + Key Ring for Arduino Raspberry Pi : Electronics Amazon.com: HiLetgo 3pcs RFID Kit - Mifare RC522 RF IC Card Sensor Module + S50 Blank Card + Key Ring for Arduino Raspberry Pi : Electronics](https://m.media-amazon.com/images/I/41tkGeQ+XcL._AC_SY580_.jpg)
Amazon.com: HiLetgo 3pcs RFID Kit - Mifare RC522 RF IC Card Sensor Module + S50 Blank Card + Key Ring for Arduino Raspberry Pi : Electronics
![Amazon.com: AITIAO 4Pcs RFID Kit Mifare RC522 RF IC Card Sensor Module MFRC-522 RFID Reader Module + S50 White Card + Key Ring for Raspberry Pi : Electronics Amazon.com: AITIAO 4Pcs RFID Kit Mifare RC522 RF IC Card Sensor Module MFRC-522 RFID Reader Module + S50 White Card + Key Ring for Raspberry Pi : Electronics](https://m.media-amazon.com/images/I/71J-w2NmpeL.jpg)
Amazon.com: AITIAO 4Pcs RFID Kit Mifare RC522 RF IC Card Sensor Module MFRC-522 RFID Reader Module + S50 White Card + Key Ring for Raspberry Pi : Electronics
![Amazon.com: RFID HAT for Raspberry Pi with 0.91” OLED Display, RFID Shield Expansion HAT for Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero and Zero W, Raspberry Pi RFID Reader & Control Board : Electronics Amazon.com: RFID HAT for Raspberry Pi with 0.91” OLED Display, RFID Shield Expansion HAT for Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero and Zero W, Raspberry Pi RFID Reader & Control Board : Electronics](https://m.media-amazon.com/images/I/51781t5thZL._AC_SY580_.jpg)
Amazon.com: RFID HAT for Raspberry Pi with 0.91” OLED Display, RFID Shield Expansion HAT for Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero and Zero W, Raspberry Pi RFID Reader & Control Board : Electronics
![Amazon.com: 1set PN532 NFC RFID Wireless Module V3 User Kits Reader Writer Mode IC S50 Card PCB Attenna I2C IIC SPI HSU for arduino : Electronics Amazon.com: 1set PN532 NFC RFID Wireless Module V3 User Kits Reader Writer Mode IC S50 Card PCB Attenna I2C IIC SPI HSU for arduino : Electronics](https://m.media-amazon.com/images/I/41RZpkAuA2L._AC_SY1000_.jpg)
Amazon.com: 1set PN532 NFC RFID Wireless Module V3 User Kits Reader Writer Mode IC S50 Card PCB Attenna I2C IIC SPI HSU for arduino : Electronics
![Amazon.com: SunFounder Reader Module Kit Mifare RC522 Reader Module with S50 White Card and Key Ring Compatible with Arduino Raspberry Pi : Electronics Amazon.com: SunFounder Reader Module Kit Mifare RC522 Reader Module with S50 White Card and Key Ring Compatible with Arduino Raspberry Pi : Electronics](https://m.media-amazon.com/images/I/512C+yGNX4L._AC_SY350_.jpg)
Amazon.com: SunFounder Reader Module Kit Mifare RC522 Reader Module with S50 White Card and Key Ring Compatible with Arduino Raspberry Pi : Electronics
![Amazon.com: PN532 for NFC/RFID V3 Wireless Module Reader Writer Board Near Field Communication Reader Module Kit for Arduino Mobile Plug in and Play : Electronics Amazon.com: PN532 for NFC/RFID V3 Wireless Module Reader Writer Board Near Field Communication Reader Module Kit for Arduino Mobile Plug in and Play : Electronics](https://m.media-amazon.com/images/I/41bJNrHvffL._AC_SY580_.jpg)
Amazon.com: PN532 for NFC/RFID V3 Wireless Module Reader Writer Board Near Field Communication Reader Module Kit for Arduino Mobile Plug in and Play : Electronics
![Amazon.com: Qunqi RC522 IC Card Module with S50 White Card and Key Ring for Arduino Raspberry Pi (5PC) : Electronics Amazon.com: Qunqi RC522 IC Card Module with S50 White Card and Key Ring for Arduino Raspberry Pi (5PC) : Electronics](https://m.media-amazon.com/images/I/61tuyjNxBTL.jpg)
Amazon.com: Qunqi RC522 IC Card Module with S50 White Card and Key Ring for Arduino Raspberry Pi (5PC) : Electronics
![Amazon.com: HiLetgo RDM6300 125 KHZ EM4100 RFID Card Read Module UART Serial Output for Arduino : Electronics Amazon.com: HiLetgo RDM6300 125 KHZ EM4100 RFID Card Read Module UART Serial Output for Arduino : Electronics](https://m.media-amazon.com/images/I/61p3cBjnOQL.jpg)
Amazon.com: HiLetgo RDM6300 125 KHZ EM4100 RFID Card Read Module UART Serial Output for Arduino : Electronics
![Amazon.com: SunFounder Reader Module Kit Mifare RC522 Reader Module with S50 White Card and Key Ring Compatible with Arduino Raspberry Pi : Electronics Amazon.com: SunFounder Reader Module Kit Mifare RC522 Reader Module with S50 White Card and Key Ring Compatible with Arduino Raspberry Pi : Electronics](https://m.media-amazon.com/images/I/61ycT+KJtrL._AC_SY350_.jpg)
Amazon.com: SunFounder Reader Module Kit Mifare RC522 Reader Module with S50 White Card and Key Ring Compatible with Arduino Raspberry Pi : Electronics
![Amazon.com: HiLetgo PN532 NFC NXP RFID Module V3 Kit Near Field Communication Reader Module Kit I2C SPI HSU with S50 White Card Key Card for Arduino Raspberry Pi DIY Smart Phone Android Amazon.com: HiLetgo PN532 NFC NXP RFID Module V3 Kit Near Field Communication Reader Module Kit I2C SPI HSU with S50 White Card Key Card for Arduino Raspberry Pi DIY Smart Phone Android](https://m.media-amazon.com/images/I/61E0dZXGt9L.jpg)
Amazon.com: HiLetgo PN532 NFC NXP RFID Module V3 Kit Near Field Communication Reader Module Kit I2C SPI HSU with S50 White Card Key Card for Arduino Raspberry Pi DIY Smart Phone Android
![Amazon.com: DaFuRui 5Pack RC522 RFID Module RF IC Card Sensor Module with S50 White Card and Key Ring RFID Sensor Compatible for Arduino : Electronics Amazon.com: DaFuRui 5Pack RC522 RFID Module RF IC Card Sensor Module with S50 White Card and Key Ring RFID Sensor Compatible for Arduino : Electronics](https://m.media-amazon.com/images/I/41WxqMUWS7L._AC_SY350_.jpg)
Amazon.com: DaFuRui 5Pack RC522 RFID Module RF IC Card Sensor Module with S50 White Card and Key Ring RFID Sensor Compatible for Arduino : Electronics
![Amazon.com: Qunqi RC522 IC Card Module with S50 White Card and Key Ring for Arduino Raspberry Pi (5PC) : Electronics Amazon.com: Qunqi RC522 IC Card Module with S50 White Card and Key Ring for Arduino Raspberry Pi (5PC) : Electronics](https://m.media-amazon.com/images/I/41V1EtCq3hL._AC_SY580_.jpg)
Amazon.com: Qunqi RC522 IC Card Module with S50 White Card and Key Ring for Arduino Raspberry Pi (5PC) : Electronics
![Amazon.com: Teyleten Robot PN532 V2.0 NXP NFC RFID Module Writer Reader Near Field Communication Module Kit I2C SPI HSU 13.56MHz for Arduino Raspberry Pi Android : Electronics Amazon.com: Teyleten Robot PN532 V2.0 NXP NFC RFID Module Writer Reader Near Field Communication Module Kit I2C SPI HSU 13.56MHz for Arduino Raspberry Pi Android : Electronics](https://m.media-amazon.com/images/I/7139Tq5XjqL.jpg)
Amazon.com: Teyleten Robot PN532 V2.0 NXP NFC RFID Module Writer Reader Near Field Communication Module Kit I2C SPI HSU 13.56MHz for Arduino Raspberry Pi Android : Electronics
![Amazon.com: RFID Breakout UART/USB 2.0 Interface Information ID Card Reader RFID Key Fob and Tag Reader for Raspberry Pi, Arduino, STM32, Beaglebone, etc. : Electronics Amazon.com: RFID Breakout UART/USB 2.0 Interface Information ID Card Reader RFID Key Fob and Tag Reader for Raspberry Pi, Arduino, STM32, Beaglebone, etc. : Electronics](https://m.media-amazon.com/images/I/410PG4-LNrL._AC_SY580_.jpg)
Amazon.com: RFID Breakout UART/USB 2.0 Interface Information ID Card Reader RFID Key Fob and Tag Reader for Raspberry Pi, Arduino, STM32, Beaglebone, etc. : Electronics
![Amazon.com: KEYESTUDIO RFID Sensor Starter Kit for Raspberry Pi 4 3B/2B/B+, with Tutorials C Language Python Java Code for Adults Teens Programming, GPIO Breakout, LCD Display, Breadboard Solderless Components : Electronics Amazon.com: KEYESTUDIO RFID Sensor Starter Kit for Raspberry Pi 4 3B/2B/B+, with Tutorials C Language Python Java Code for Adults Teens Programming, GPIO Breakout, LCD Display, Breadboard Solderless Components : Electronics](https://m.media-amazon.com/images/I/61wvN2jo6FS._AC_.jpg)
Amazon.com: KEYESTUDIO RFID Sensor Starter Kit for Raspberry Pi 4 3B/2B/B+, with Tutorials C Language Python Java Code for Adults Teens Programming, GPIO Breakout, LCD Display, Breadboard Solderless Components : Electronics
![Amazon.com: DaFuRui 5Pack RC522 RFID Module RF IC Card Sensor Module with S50 White Card and Key Ring RFID Sensor Compatible for Arduino : Electronics Amazon.com: DaFuRui 5Pack RC522 RFID Module RF IC Card Sensor Module with S50 White Card and Key Ring RFID Sensor Compatible for Arduino : Electronics](https://m.media-amazon.com/images/I/51jvWOhHIBL._AC_SY350_.jpg)