H-FR01 - The Hardware must receive and process signals from one camera for facial recognition purposes.
H-FR02 - The Hardware must receive and process signals from one camera for crowd counting purposes.
H-FR03 - The Hardware must connect to the Internet via Wi-Fi.
H-FR04 - The Hardware must control the gate locking mechanism.
H-FR05 - The Hardware must be able to read NFC and RFID frequencies.
H-FR06 - The Hardware must be able to signal the system's operation status.
H-NFR01 - The System must be implemented with a Raspberry Pi 3B+.
H-NFR02 - The System must have two USB cameras, one for facial recognition and another for crowd counting.
H-NFR03 - The System must have an NFC/RFID reader module.
H-NFR04 - The System must have an LCD display 16x2 to show operation status.
H-NFR05 - The System must have a servomotor to lock and unlock the ticket gate.
H-NFR06 - The System must have an infrared sensor to detect when the ticket gate moves.
H-NFR07 - The System must have LEDs to show the operation status.
H-NFR08 - The System must have a Buzzer that activates whenever the user is allowed entrance into the tube station.
H-NFR09 - The mechanical structure must be constructed with wood and PVC pipes.