Questions tagged [rfid]

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.

3 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
2
votes
0answers
43 views

How does UHF RFID remain sufficiently insensitive to product-dependent frequency shift?

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 ...
1
vote
0answers
28 views

NFC Reader PN532 works after executing nfc-poll

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 ...
0
votes
0answers
40 views

Calculate NFC Tag size to store static data

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 ...