I want to authenticate UID on RFID with my mysql database which I have registered UID before, which later Arduino get response from php if UID is valid or not. But when I do tapping, uid is not readable by php if my source code is correct please help how to get arduino to know UID on RFID valid a…

Autentication UID RFID card with UID in database mysql use ethernet

theraniadina April 13, 2018, 1:43pm 5

this my code php

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