Questions tagged [rfid]

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

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1answer
5k views

Changing RFID key for RFID-RC522

I have been playing around with my RPi2B (with Jessie), an adafruit breakout board and a RFID-RC522. I followed a guide to make it work, and it works like a charm Guide for adding RFID-RC522 to RPi2B ...
5
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1answer
155 views

Login to Raspberry Pi Via Python Script

I am trying to make a system to login to the Raspberry Pi with an RFID tag. I successfully connected the RFID reader RC522 module to the Raspberry Pi and I can retrieve the number of the tag and write ...
5
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2answers
12k views

Connecting to an RC522 RFID reader

I'm trying to connect an RC522 RFID reader to the a Raspi via its SPI port. Up till now, I have tried several different pieces of code that are supposedly working, however, I have had no success with ...
5
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1answer
7k views

Raspberry Pi and the ACS ACR1252U USB NFC Card reader

I'm using a ACS ACR1252U card reader (http://www.acs.com.hk/en/products/342/acr1252u-usb-nfc-reader-iii-nfc-forum-certified-reader/) connected via USB and to be honest I have no idea how to get it ...
5
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2answers
2k views

Impossible to scan RFID tags using libnfc, PN532, and RPi3

I recently bought this NFC/RFID reader PN532 module V3 I want to use it with my raspberry pi 3. I have install and configured the library libnfc. The PN532 is connected with I2C. I have well enabled ...
4
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1answer
8k views

Major trouble with nRF24L01+ controllers and the RF24 library

I've had a hellish last three days. All I've wanted to do is get an Arduino Uno and a Raspberry Pi B+ talking to eachother with these little guys, and after following many different tutorials, I've ...
4
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1answer
458 views

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 ...
3
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1answer
8k views

Connecting RFID reader over USB

I just purchased the RFIDRW-E-USB RFID reader from Priority 1 Design (see this page, datasheet available in PDF form.) I have tried to make it work on my computer (Ubuntu), before plugging it to my ...
3
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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 ...
2
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1answer
62 views

Simple python RFID (RC522) authentication system not working

I am a realative RPi noob so forgive me if this is a simple problem. I am making a keycard system with the RC522 reader, and I have everything wired up correctly. It works with writing and reading ...
2
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2answers
13k views

Getting RFID-RC522 to work with Raspberry Pi 2

Yesterday I bought the famous RC552 RFID read/write module to use with my Raspberry Pi 2B (I've also got an Arduino in the mail right now) and I've been trying to get it to work but I just can't. I ...
2
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1answer
60 views

Raspberry pi 3 RFID RC522 Card UID is not same with USB RFID Reader

I'm working with RFID RC522 using Raspberrypi 3B+. I'm following https://github.com/mxgxw/MFRC522-python this package and works like a charm. I can able to read the data from the card, able to write ...
2
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1answer
6k views

Connecting PN532 NFC module to Raspberry Pi

I want to connect the PN532 NFC module to my Raspberry Pi. The pin layout is as follows: The original product page is here on eBay. The page says: Operating Voltage: 3.3V Power Supply Voltage: 3.3~...
2
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1answer
672 views

'module' object has no attribute 'openSPI' on Raspberry Pi 2

I'm trying to use the rPi SPI (read from RFID-RC522) port using this repo. When I'm trying to run test-nRF.py on a Raspberry Pi, I'm getting the following error: pi@raspberrypi ~/SPI-Py $ python ...
2
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2answers
1k views

rfid hf module for pi 3

I would like to create system which recognize products in store. What I want to use is RFID HF technology, because of it's perfect work range (1-2m is perfect for me). Unfornatelly every rfid reader ...
2
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3answers
9k views

how to read rfid tag using RC522 module with raspberry pi 3

Raspberry Pi 3 is having BCM2835 , i have tried all possible solution but none of these is working i can not get the tags read from the Module. I am thinking that BCM2835 is a problematic because with ...
2
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1answer
4k views

Send RFID Tag ID to MSSQL on a PC through Raspberry Pi?

I have a RFID-RC522 connected to Raspberry Pi and a python script which reads my RFID tag and prints out the result of the reading. I want to transfer the ID of the RFID tag to a Microsoft SQL Server ...
2
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1answer
395 views

I Can't Getr my PN532 NFC Module to work with Raspberry PI2

I have a Raspberry PI 2 and a PN532 NFC Module, but I can't read it I keep getting this errors when I run nfc-list: error libnfc.driver.pn532_spi Unable to wait for SPI data. (RX) ...
2
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1answer
348 views

Caused by: java.lang.RuntimeException: libname: linux-arm.lib not found

uname -a: Linux raspberrypi 4.1.6-v7+ #810 SMP PREEMPT Tue Aug 18 15:32:12 BST 2015 armv7l GNU/Linux Trying to launch application that controls RFID reader. 2016-01-07 21:42:19.593 [main] INFO ...
2
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1answer
2k views

Determine which USB port/RFID reader the data is coming in

I'm using Raspberry Pi Model B+. I'm new to the RPi and I don't really know the search terms for my question. I have four RFID readers connected to the four USB ports of my RPi. I wanted to know if ...
2
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3answers
446 views

RFID reader for Raspi

Can I use cheap USB RFID reader in my Raspi? Why should I buy an 'expensive' RFID reader like this or this instead of USB reader?
2
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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 ...
2
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0answers
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 ...
2
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0answers
443 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=...
2
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2answers
767 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 ...
1
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2answers
9k views

ITEAD PN532 on Pi 3 with libnfc

For the past weeks I have been trying to get the ITEAD PN532 NFC board working on a Raspberry Pi 3 running Raspbian Jessie (2016-03-18) using libnfc. Here's some info on the board itself. It has two ...
1
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2answers
90 views

How to read Wiegand serial data? (Rx/Tx)

Ok, I am losing my mind... Why is this so damn difficult? Current situation: - 12V Access control device that is connected like this i.e. Wiegand D0 to Tx and D1 to Rx, with voltage dividers. - ...
1
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1answer
3k views

Using a Raspberry Pi as a “desktop” for a UHF RFID device [closed]

I am trying to use a UHF RFID reader and they are mostly desktop compatible, can I use my Raspberry Pi as that "desktop" and if possible, can you recommend a particular UHF RFID reader?
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1answer
23 views

Detecting the same RFID tag twice

I have a problem with the MFRC522 library. It seems to me that after the tag was read / written one time correctly, in the next cycle the library always returns 2 on the check whether a card is ...
1
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1answer
19 views

RC522 modules stop working when more than 2 are connected

So, here's a synopsis of what I am trying to do. I want to put 3 RC522 readers side by side inside of a book, facing the cover, that will be constantly on, using a Rpi zero W. When an RFID chip gets ...
1
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2answers
3k views

MFRC522 Not working over SPI Interface

I am running (on a Pi3) an MFRRC522 reader - much like this one: It has been working fine, but after I changed SD card, to increase capacity - whilst also doing a new Raspian install I haven't been ...
1
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1answer
415 views

How do I get my Raspberry Pi to get data from my Parallax RFID reader

I have a Raspberry Pi model B+ I'm trying to read RFID tags using the Parallax RFID reader. I've downloaded the python gpio tools, as well as libnfc. When I run nfc-list, it says no devices found. ...
1
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1answer
397 views

Activate RPI-cam with rfid signal

Can anyone give me some advice on the next. Is it possible to activate the RPI-cam with a signal from a rfid reader? Here's the practical enviroment. I am a pigeon fancier and my pigeons are ...
1
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1answer
264 views

Connecting a 12V USB device to Pi [closed]

I'm planning to use a long range USB RFID reader (12V) like this with Pi. As Pi USB can supply only 5V, how can I connect it to Pi USB, if it is not external powered..??
1
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1answer
9k views

RFID and MFRC522 library

I've been following the instructions of this blog post to set up an RC522 RFID reader and the test script shows me that the reader is working fine. On the other hand I had problems using this tutorial:...
1
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1answer
36 views

RFID RC522 reader pigpio check error

I'm trying to connect Raspberry PI 3 B+ with RFID-RC522 (following this guide https://www.raspberrypi-spy.co.uk/2018/02/rc522-rfid-tag-read-raspberry-pi/). But I got stuck at the hardware ...
1
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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 ...
1
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1answer
274 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 ...
1
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2answers
2k views

Why does the RDM6300 not read RFID tags anymore?

I've previously used the RDM6300 with the Raspberry Pi 1 and it worked flawlessly. After switching to the Raspberry Pi 3 it won't read RFID tags anymore. I'm certain I've connected everything ...
1
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0answers
570 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 ...
1
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0answers
993 views

How to connect Multiple RFID Readers to a Single Raspberry Pi [duplicate]

I would like to interface multiple RFID Readers to a single Raspberry Pi. Any option can be chosen either wired or wirelessly.
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0answers
798 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 ...
1
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0answers
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 ...
1
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1answer
240 views

Parallax RFID + PI only reads first time

I used the following code from this post import serial import time serial = serial.Serial("/dev/ttyAMA0", baudrate=2400) while True: if serial.inWaiting() > 0: read_result = serial....
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0answers
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 ...
1
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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.
1
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1answer
658 views

Is there any generic cheap RF module [duplicate]

Recently I got cheap RF remote controlled plug points. I hacked the remote to control buttons using raspberry pi and it works great. My question is, is there any generic RF transmitter and receiver ...
1
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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 ...
0
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2answers
3k views

read a RFID card MiFare 1k classic through a PN532 uart reader with serial.read()

I'm trying to read my rfid card MiFare 1k classic with a PN532 breakout board through UART with a simple python script. I installed libnfc, the nfc-poll example program reads my card perfectly fine. I ...