About RMuiz.1

RMuiz.1 · 2023-08-17

Hi!I have a case where I want to read all tags in area one by one. Issue is that if I call `HLTA` command, even after selecting a tag, all tags in area go to sleep. Is this intended behavior in ISO 14443A protocol or I am doing something wrong?Hlta -...

RMuiz.1 · 2023-06-28

Hi! A while back I started writing Rust driver for st25r3911b chip. Currently, it works and can read 14443A chip. The issue is that compared to official software (Discovery GUI) the read distance is about half. So if official software reads at 8-9cm ...

RMuiz.1 · 2022-08-23

What are the best chip/settings to read multiple RFID 14334A tags? What should I look at when selecting chip?I need to create a reader that needs to read playing cards (14334A) from the table.Currently, I have a setup with AS3910 chip. It works fine ...

RMuiz.1 · 2023-08-23

1. Yes2. YesNow with field restart before WUPA it works as I intended.Currently I send `Reset` command to turn off field. I was wondering if there is a cleaner way to do it. No field off commands? 

RMuiz.1 · 2023-08-21

Actually if I replace wupa with field restart it solves my issue.Here is capture where I keep field on. My tags are already on antenna from the start. First it reads both tags and then just one even after WUPA callCapturehttps://drive.google.com/file...

RMuiz.1 · 2023-08-21

> in the step #6 (REQA), do you receive an answer from the second tag?No response from second tag> do you use your own custom board or a X-NUCLEO-NFC05A1?I use my own board> can you connect a X-NUCLEO-NFC05A1 on a NUCLEO-L476RG and run the poller dem...

RMuiz.1 · 2023-08-18

6 steps listed is what I do now in Rust library.Issue is that if I have 2+ tags in field and I do WUPA -> select with anti collision -> get UID -> HLTA -> REQA -> select with anti collision -> no response ( Here I would expect to get next tag UID)So ...

RMuiz.1 · 2023-08-18

Thanks for a response!> Can you elaborate on " if I call `HLTA` command, even after selecting a tag, all tags in area go to sleep"?I want to read all tags in area. If I don't use `HLTA` call then there is a chance that I will be stuck in loop reading...

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HALT only single tag in field

Help finalizing custom Rust driver (st25r3911b)

read multiple RFID 14334A tags

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