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Internet of Things

Questions tagged [rfid]

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For questions related to use of RFID (Radio Frequency IDentification) technology in IoT devices. For questions about the electronics aspect, consider asking at Electrical Engineering Stack Exchange.

20 questions
Newest Active Bountied Unanswered
2 votes
0 answers
66 views

I am searching for hardware to help me get started with passive NFC Java Card 3.2 technology. I can't find badges or tags or any kind of NFC product that advertises running Java Card 3.2. I couldn't ...
Travis Well's user avatar
  • 121
1 vote
0 answers
59 views

When the RFID tag is close to the metal, because the metal has a strong reflectance to electromagnetic waves, it will be accompanied by a weakening of the signal, the card reading distance will become ...
Coco Huang's user avatar
  • 11
4 votes
1 answer
407 views

I spent many hours looking for a device for my iot project. So far, everything I find does not meet my expectations. I prepared two prototypes - one based on rpi zero and one based on esp32, but I ...
Kishieel's user avatar
  • 41
1 vote
0 answers
123 views

I use Adafruit_CircuitPython_PN532 to read the card id with a PN532 on SPI. After booting my pi my script doesn't work. However, when I execute nfc-poll in a terminal everything works fine. My python ...
RumelDilDumpel's user avatar
  • 23
1 vote
1 answer
1k views

I want to use my PN532 as input device like a keyboard on my pc with windows 10. I have a PN210 USB to UART Bridge. Is there a way to use my PN532 on a x86/64 device?
RumelDilDumpel's user avatar
  • 23
0 votes
0 answers
140 views

I'm trying to design a system that transfers the DateTime of entry and exit of people to another system. The data is log of records per week for each person and must be transferred once. These data ...
Masoud Rahimi's user avatar
  • 153
1 vote
1 answer
135 views

I am working on a project for a client. My project is about tracking assets indoors. Example: I have a large warehouse with several store rooms. Each room being about 50x50 ft large. Each room ...
user3718908's user avatar
  • 111
2 votes
1 answer
73 views

I'm very new (one day) to the IoT world. I've got a specific project I want to tackle, as a intro to IoT, but I'm also open to general advice on getting started. In summary, I want to know if my ...
Zduff's user avatar
  • 129
1 vote
0 answers
427 views

I have a R20D-USB RFID reader. When I connect it to the machine, open a text editor application or and webpage with an input form, and read the RFID card the RFID is automatically typed in the text ...
Shanika Ediriweera's user avatar
  • 111
3 votes
2 answers
296 views

I have some sensor nodes (Bosch XDKs) that send information to an MQTT broker and an application reads the information and stores it into InfluxDB. Simultaneously, I have RFID readers that scan some ...
Shan-Desai's user avatar
  • 1,568
3 votes
0 answers
54 views

A recent paper given at the ACM Workshop on Hot Topics in Networks describes a system that analyzes the variation in the EM response of UHF RFID tags on containers, due to variation in the chemical ...
uhoh's user avatar
  • 225
6 votes
4 answers
5k views

I'm starting to explore IoT in my home, the first step being to connect a raspberry pi 3 B+ to a DHT22 temp/humidity, record DHT readings in a database which I then surf via a node server running on ...
minisaurus's user avatar
  • 173
1 vote
0 answers
40 views

In our Group of Companies, we are having a Logistics arm which is running services for industry on following domains: Transport and Fleet Management Industry Warehousing We are looking for IoT based ...
Sayan's user avatar
  • 131
6 votes
3 answers
391 views

Is there a way if I have a paddock 2 km by 2 km I can find the location of my livestock, essentially live tracking their movement? I've thought of possibly giving them a passive RFID tag with ...
Angus Ryan's user avatar
  • 69
7 votes
3 answers
127 views

In our project, there are over 200 dummy users who are not very capable of using mobile technologies or computers comfortly. The project is essentially a MRP & Production Planning solution with ...
paroxit's user avatar
  • 171

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