hello im trying to make a system with nodemcu and RFID for Employee traffic control in a hospital .purpose is monitor employees and entry/exit control for rooms .and finally collect RFID data in a database . there are 200 rooms in this hospital and The rooms are close together. i want to use tags in personal card so every one go across from reader Automatic detect and register in data base
1-what kind of RFID reader module can i use for this project?
2-what kind of tag must be use for person? any suggestion for this project?