<![CDATA[UHF-RFID data not visible with other reader]]>Hello, I use multiple UHF-RFID modules that work just fine if i stay in the same ecosystem.

But if i write a tag with the M5 UHF-RFID module and try to read it with a different UHF device, my written ID is not showing up.

Does anybody have an idea?

Thanks in advance.

]]>https://community.m5stack.com/topic/7070/uhf-rfid-data-not-visible-with-other-readerRSS for NodeSat, 18 Apr 2026 23:19:33 GMTSun, 08 Dec 2024 19:15:14 GMT60<![CDATA[Reply to UHF-RFID data not visible with other reader on Tue, 10 Dec 2024 06:30:16 GMT]]>@pete-manzel
As kuriko mentioned before the ID you wrote by M5UHFRFID might be on a different place in the memory (different address) as the sparkfun library try to read it. Are you able to read the raw data and search for your ID?
Anyway, there should also be a read only unique Tag ID (TID) that is given by the manufacturer. Can you get that on both readers?

]]>https://community.m5stack.com/post/27407https://community.m5stack.com/post/27407Tue, 10 Dec 2024 06:30:16 GMT<![CDATA[Reply to UHF-RFID data not visible with other reader on Mon, 09 Dec 2024 09:28:41 GMT]]>no specific program. On one side i have the M5UHFRFID with an m5 atom lite.
And on the other side i have a sparkfun Simultaneous RFID Reader with an external antenna running on an esp32-s3 with its library.

It is not possible to read the tags i write with the M5UHFRFID.
More precise. I can read the tags but not the id that i wrote with the M5UHFRFID.

]]>https://community.m5stack.com/post/27399https://community.m5stack.com/post/27399Mon, 09 Dec 2024 09:28:41 GMT<![CDATA[Reply to UHF-RFID data not visible with other reader on Mon, 09 Dec 2024 08:46:49 GMT]]>@pete-manzel
What program do you use? Maybe the location of M5UHFRFID writing is different from the location of reading.

]]>https://community.m5stack.com/post/27398https://community.m5stack.com/post/27398Mon, 09 Dec 2024 08:46:49 GMT