Help! How to add a second UID in a sketch

Using Arduino Programming Questions
1

Hello! Help me add a second UID in the sketch for the RFID lock. I just don't understand it myself.

2

Welcome to the forum

Do you think it might help if you posted your current sketch ?

Please follow the advice given in the link below when posting code, in particular the section entitled 'Posting code and common code problems'

Use code tags (the < CODE/ > icon above the compose window) to make it easier to read and copy for examination

https://forum.arduino.cc/t/how-to-get-the-best-out-of-this-forum

3

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if you don't post your sketch with one UID, nobody can help you with a second uid.

1 Like
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When using acronyms such as UID (User IDentifier) put the English (wordy) version is parentheses the first time it is used. There are a lot of different meanings for UID on the web.

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