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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RFID reader/writer
I'm creating a clocking in system for work and I'm considering using a raspberry pi for the card interface. Having never used one before I just want to check if this is possible. I've seen a few ...
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RFID RC522 Clone Script Unicode Error
I've set up a RC522 Card on my pi using This Tutorial and hacked together the Read.py and Write.py scripts into a Clone.py script:
#!usr/bin/env python
import RPi.GPIO as GPIO
from mfrc522 import ...
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Connecting Raspberry Pi to 5V UHF RFID reader over TTY via level shifter
I want to keep track of UHF RFID stickers. I'm hoping to do this using a Raspberry Pi zero attached to an UHF RFID reader. I acquired this reader:
https://www.aliexpress.com/item/32848525319.html
...
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Basic Python interface to use with UHF RFID reader?
I have a Chinese UHF RFID reader that I'm using with a RasPi for a warehouse tracking project and it came with only a Windows SDK. The dense protocol document they provided in very rough English is ...
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How to configure the RaspberryPi-B1 RFID reader by Eccel?
I am trying to configure the B1 RFID hat on my raspberry pi since it is a cleaner solution than using a USB RFID reader. However I have ran into some issues.
Firstly, the documentation supplied by ...
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RC522 RFID Module under heavy load?
We are planning to use RC522 RFID Module with RaspPi for authenticating guests at an event and am wondering if this is a good idea as there could be up to 500 guests / hour. Our system will simply ...
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raspberry pi with udp?
I wanna use the Raspberry Pi to detect RFID to control the video of Unity.
My method is:
Raspberry Pi reads the value of UDP and sends a message back to the unity (Raspberry Pi and Unity use the ...
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SimpleMFRC522 stop reading after some time
My code stack after some time (example 1 day) after reading MFRC522 in loop mode. At the beginning it works without problems, after some time is not working anymore. I can't figure out why. Can you ...
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how do I automatically power off the raspberry pi and cut power every night and then power it back on each day?
Background
I'm a student working on research project to develop a remote wireless sensor network of data loggers. Each data logger (aka node) is going to be retrofitted to a bird feeder that reads ...
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MFRC522 and Bluetooth not work together
I have a program in which I use pyqt5, MFRC522 and bluetooth. I have 3 threads, one for the interface, one for the MFRC522 and one for the bluetooth. If I run the MFRC522 and the bluetooth separately ...
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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 ...
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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.
- ...
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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 ...
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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 ...
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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 ...
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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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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 ...
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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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How can I receive 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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Problem with RFID-RC522 and Raspberry PI Background script
I am working a project to read an RFID tag, and make the buzzer sound. It works correctly in foreground. I call the python script via /etc/rc.local and it is triggered when I execute /etc/rc.local via ...
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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 ...
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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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using iso 15693 NFC tags on Raspberry with rc522
Is it possible to read/write ISO 15693 NFC tags using an RC522 chip? So far I do not have much experience with the chip, I downloaded this https://github.com/mxgxw/MFRC522-python library but ...
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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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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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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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Raspberry PI 3 B, cannot find usb RFID reader, rc10c-usb-8h10d
I have Raspberry Pi 3 B board and I was install latest Raspbian image with desktop based on Debian Stretch.
Now, when I connect my usb rfid rc10c-usb-8h10d 125kHz to rbPi3 board on usb, and in ...
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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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Use RFID reader AND a 4x4 matrix keypad with breadboard
I am trying to set up a pi to use rfid to scan a card and if the card is correct, the user will enter in a 4 digit code into a 4x4 matrix keypad. Each device works perfectly fine independently however ...
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UHF RFID PYTHON CODE? [closed]
Hi recently I purchased UHF RFID from China supplier
https://ruifanelec.en.alibaba.com/product/60620230740-218430589/Hot_Sell_Free_SDK_Long_Range_Integrated_TCP_IP_UHF_RFID_Reader.html?spm=a2700....
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How do I send data from multiple RFID readers to the Raspberry Pi wirelessly? [closed]
I've done some research and found out about XBees. Can I use this with RFID readers? I am planning to use RC522 RFID reader as its the cheapest option for me at the moment.
I am open to any advice or ...
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BCM.GPIO and BOARD.GPIO
For a school project I wanted to use a 128x64 OLED i2c OLED screen and a RFID reader. I tested everything separate and it worked, but when I wanted to join everything in my main program it failed, ...
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RPi+RDM6300 Serial port not working
I'm trying to use my RDM6300 module with the Raspberry Pi 3 as show on this site: https://behindthesciences.com/electronics/raspberry-pi-rfid-tag-reader/
I disabled the terminal tty by putting in /...
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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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connect UHF RFID reader with raspberry pi 3 using rasberian [closed]
i have a UHF RFID i am using raspberian os . i connected the tx rx and gnd to raspberry pi . but i dont know how to read a tag. and there is no sdk available for linux platform . can anyone guide me ...
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PI2 Reading data from RFID RC522 Mifare
so i am trying to get the data from a mifare card and i can't get the same reading i get on windows.
On windows my card data is a 10 digit code like: 4852658522
Even though i can dump the data on the ...
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Why do you prefer raspberry pi? [closed]
I am looking for a computer to be placed inside a turnstile. Someone suggested to me that I can use raspberry pi. Yet, I don't have knowledge in it but it sounds interesting so I'd like to try. There ...
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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~...
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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 ...
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Arduino sending serial data to Pi
I am using this code, to read a string of alphanumeric digits from an Arduino with a RFID sensor connected.:
import serial
ser = serial.Serial('/dev/ttyACM0',9600)
s = [0]
while True:
...
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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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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 ...
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Weird square on terminal
Im getting this weird square that shows up in pi terminal.
It only appears on the first byte of data read in from the UART.
The byte data is there but there square is overlapped over it.
Anyone know ...
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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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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 ...
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Raspberry Pi 3B RFID RC522 - not reading data
I know this topic has been already discussed in many aspects here and other forums but I haven't found help for my problem (which I guess may be just slightly different than in older topics because ...
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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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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 ...
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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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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) ...
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