rfid bracelets

im beggining a new project were i have to create rfid bracelets for children to wear at school, so i have to create an attendance list for several things (in and ut school, eaten at school or not,...)
i dont know much about arduino, can you please link me some articles, courses or something that can help to learn how to make a code for this?
tahnk you so much. if you preffer to send it through email: orodriguezz4444@gmail.com, heres mine, you can send me there the links explaining what are they or send me some help.

thank you.

Drop the Email. We reply to Your questions but the idea is that other members can search for and find the replies.

Study the maximum distance for reading Rf tags! It is often rather small.