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I have a tag that shoud be on the reader countinuously and i need the reader to check the tag every tot time or on asking, i was thinking to use the RST pin but it's not quite working, is there a way for me to do this?

I have placed and deployed the node RC522 in an active flow. When the RFID reader is connected to the Raspberry Pi an is online, Node-Red starts. If the reader is not connected or goes off during operation (failure, poweroff, ...), Node-Red does not start or crashes. Reboot does not fix it.
The log file will then show, for example, that the connection to the MQTT-Broker was interrupted and that the web socket is not running.

My System: Raspbian Buster with Raspi 3B+

Hi,
I noticed that if a tag contains a 0 like this "ED 5A 9B 03", the node returns "ed5a9b3", is there a way to fix this?

thanks for helping.

Actually, I am using raspberry 3, RC522 RF IC Reader, and Maker pHAT and follow the following tutorial to write RFID tags and it is working.
On the otherhand, I am using your node to read the tags with raspberry 3, and RC522 RF IC Reader, and I want to also write tags in Nodered. Is it possible if you can also add write feature.

It is possible to read out RFID Cards with the Iso 14443-4 Standart? I dont get a reading =( with iso 14443-3 cards it works fine.

Hello,

Is it possible to read the data block?
I have tried rc522-extra which is based on this one but I have Authentication Error.

Thank you

Nebtreak