how can i add status switch to read all names of student who are absent/present and display the same on lcd i am using arduino uno

Rfid based student attendence System

system April 8, 2014, 5:26pm 2

(deleted)

Topic		Replies	Views
help needed to modify RFID (wiegand - HID reader) door lock Programming	14	3967	May 5, 2021
[CONSEIL] Arduino+lecteur rfid Français	7	5277	May 6, 2021
RFID + LCD + Tactical Switch = PROBLEM Syntax & Programs	28	7052	May 6, 2021
Interface Arduino with RFID and MySQL (via PHP) Syntax & Programs	14	25811	May 6, 2021
Ayuda para Proyecto Alarma Casera. Español	48	27702	May 6, 2021