Questions tagged [rfid]

RFID stands for "radio-frequency identification" and is used to identify and track objects via wireless communication over short distances.

27 questions with no upvoted or accepted answers
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Raspbian Jessie+ breaks SPI (RFID Reader MFCR 522)?

Long version: I have a very odd problem: I connected a Mifare MFRC 522 RFID Reader to my raspberry Pi (it handles communication via SPI). For that I used one of the many Tutorial already on the ...
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0answers
2k views

Pi4J and Mifare RC-522 via SPI

I am having problems with coding a program that allows me to read RFID Tags with Pi4J on my Raspberry Pi 2 Model B. I am totally new to Python and would prefer a program written in Java to save some ...
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0answers
87 views

No response from RFID HAT

Model: Raspberry Pi 3 Model B Vi.2 HAT: RaspberryPi-B1 v1.3 I just bought RaspberryPi Hat RFID/NFC board (RaspberryPi-B1 from ib technology). I've spent all day trying to get a response from it, but ...
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278 views

How construct MISO byte order with SPI interface

I have a raspberry Pi 3, model B. I have an RFID-RC522 hooked up to it using SPI. I want to read from it, raspi being master device, RFID being slave(MISO). I am struggling to construct the correct ...
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0answers
442 views

Raspberry Pi3 conflicting overlays

I have a Rpi3 with 2016-03-18-raspbian-jessie. I want to simultaneously connect a RC522 RFID Reader and a 5" touch screen LCD (waveshare). With this config.txt the 522 reader works fine: dtparam=spi=...
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2answers
763 views

Problems with RFID-RC522 and Raspberry PI B

I'm trying to use the RFID-RC522 with my RPi. The script work but I dont get any response no matter how long or how many cards I use, the module is working because I tested with an Arduino. I use this ...
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1answer
1k views

RFID RC522 Reader & Chromium Web Page

I'm having a bit of difficulty locating a specific example, however I have found people referencing that they have accomplished what I am looking for. At a basic level, I have a webpage being served ...
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0answers
2k views

How do you get an RFID reader to work with Raspberry Pi 3 and UWP?

everyone! This question is in relation to my Raspberry Pi 3 and Windows 10 IoT Core project. I intend to use an RFID Reader (short range only), along with an universal windows application, plugged to ...
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1answer
273 views

Parallax RFID Serial Not reading tags

I am a complete newbie with Raspberry Pi and any type of hardware prototyping. I have been trying to get a Parallax RFID working with my Pi 3. I currently have it wired to the GPIO using BCM and the ...
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569 views

Raspberry Pi Zero 433mhz transmitter fails but works on raspberry Pi 2

So I am using some 433mhz modules. I had them setup on my raspberry Pi2 and everything worked perfect. They could transmit and receive signals. I switched the entire configuration over to a raspberry ...
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0answers
793 views

Connect two SPI RFID readers in the Raspberry Pi B +

I followed this tutorial to connect one RC522 RFID reader in a Raspberry Pi. http://www.nikolaus-lueneburg.de/2014/06/rfid-rc522-modul-mit-spi-schnittstelle/ I'm able to connect it to work with ...
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3k views

RFID RC522 Stops reading data after reading data continuously

I'm trying to make RFID RC522 work with my Raspberry Pi 3 B+. I use the library MFRC522, and the the sensor can read data most of the times. However if I just put the card on the sensor it will stop ...
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2k views

Connect RFID/NFC reader/writer using UART or SPI?

I have an Raspberry Pi model B, and I want to hook up this RFID/NFC reader I got. This is the one I have. It has TX, RX, VCC, and GND. When I try to hook up TXD -> RXD and RXD -> TXD (or TXD -> TXD ...
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0answers
110 views

Raspberry Pi USB Devices

I have two USB RFID. They are connected to Raspberry Pi and sends data to pi. How can I know which one is sending data? Note: Running only one RFID at the same time.
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1answer
2k views

Cloning RFID tags with Raspberry Pi 3 and RC522?

I've looked around a lot now and can barely find any information on how to clone RFID tags with the Raspberry Pi, I've seen plenty of content on how to do it using an Arduino but I would really rather ...
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19 views

Best way to read multiple rfid sensors

I need to get information from five arduinos to a raspberry pi. What is the best way to read multiple rfid sensors? I have a few arduinos and can buy more. I want to read at least five rfid sensors ...
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1answer
101 views

How do I use three RC522 RFID readers together?

Ok, So I have one RC522 reader working with no issues. I want to have 3. I don't care which receiver picks up the RFID tag, I just want to know whenever a tag was picked up at all by any of them. ...
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299 views

module RFID-RC522 MySQL, Python

I have the following problem. I am working with Python and RaspberryPi 3 recently. My task is to write the data (RFID together with date and time into the MySQL database). Date and time works, they ...
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0answers
456 views

How can I recieve data from uhf rfid reader's usb port to my raspberrypi controller

I am new to raspberry pi, currently we want to develop gate control with open/close boom-barrier so we are using an UHF RFID reader and a raspberry pi. I bought a RFID reader that has a USB connector ...
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27 views

Are There any MFRC522 Compatible Libraries for AndroidThings?

I am building a program that reads and writes to RFID tags. Are there any libraries that let me read and write to RFID tags? I have checked Galarzaa90's RC522 library, but I don't think RFID tags can ...
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1answer
34 views

How to dynamically determine objects based on some uniqueness?

As the title states I looking for a way to (detect and then) determine a object within some range. The object will be forklift or "train" in the factory. Main goal is to provide some GUI from which it'...
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1answer
181 views

error trying to set up RFIDIOT on raspberry

I am new to raspberry and python in general. I followed different guides to set up RFIDIOT (even the documentation and the installation guide on the repository on Github). So far, when I run pcsc_scan ...
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1answer
186 views

Sharing SPI Adafruit PiTFT and RFID RC522

I have a Pi Zero 1.2 connected to an Adafruit 2.8" PiFTF screen and a RFID-RC522 board. I also have a thermal printer connected to TX/RX, but I don't think this plays a part in my question. The TFT ...
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0answers
984 views

Automatic sending RFID tag ID to MSSQL on a PC through Raspberry Pi using Pymssql

A RFID-RC522 connected to Raspberry Pi and a python script which reads RFID tag and prints out the result of the reading. And the aim of the project is to transfer the ID of the RFID tag to a ...
0
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1answer
4k views

Active Long Range RFID system for Raspberry Pi 3

I have bought those cards: UHPPOTE 2.4Ghz RFID Active Card for Long Distance Range Reader Vehicle Parking System. I need to buy certain RFID readers to be able to read data from those cards and work ...
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0answers
3k views

UHF RFID Reader with Raspberry Pi

I have a RFID Reader like the one posted on this link: http://www.ebay.com/itm/EPC-Gen2-UHF-Integrative-5-7-Meters-Long-Range-RFID-Reader-with-free-SDK-/171473207602 It has RS232, RS485 and Weigand ...
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2answers
3k views

Best hardware+software to read UHF RFID tags?

I would like to sew in, UHF RDIF laundry tags into clothes and be able to read e.g. what do I have in my bag (i.e. multiple of them from up to 50 cm distance). Here is example set of such tags: ...