Fingerprint
Sensor
Captures biometric
Primary auth
→ Controller

Smart Card
Reader
Reads RFID/NFC
Secondary auth
→ Controller

AI Camera
Face recognition
Visual verify
→ Controller

Jetson Nano
Controller
Process inputs
Access decisions
→ Outputs

Touch
Display
User interface
Show status
← Controller

Network
Module
Cloud connect
Send logs
← Controller

MQ-2 Gas
Sensor
Detect smoke/gas
Early warning
→ Controller

Flame
Sensor
Detect IR fire
Confirm fire
→ Controller

Jetson Nano
Controller
Analyze sensors
Trigger alarms
→ Alerts

Buzzer/
Alarm
Audio alert
Emergency notify
← Controller

Network
Module
Fire alerts
Emergency cast
← Controller

Power
Mgmt
Backup power
Critical uptime
→ All components

Passport
Reader
Scan documents
ID verification
→ Controller

AI Camera
Facial match
Liveness detect
→ Controller

Jetson Nano
Controller
Verify identity
Check database
→ Approve/Deny

Touch
Display
Guide user
Show status
← Controller

LED/Audio
Alert
Visual/sound
Approve/deny
← Controller

Network
Module
Database query
Log events
← Controller

Power
Mgmt
Continuous ops
System stable
→ All components