Key BOX
“Finger vein authentication Key BOX” is a battery-powered key box which uses mofiria FVA-E2SX module and a low cost microcomputer. FVA-E2SX has a RS-232C interface other than USB interface, and it allows the low cost microcomputer to control the device.
System Summary
The system consists of: 1) key pad to input ID of the user to be authenticated; 2) LED for indicating the status; 3) speaker for beep; 4) SD card to store the pre-enrolled template of the user; and 5) solenoid for door open/close.
The control operation is very simple as follows:
- Input ID of user to be authenticated.
- Load the corresponding template from the SD card using the ID, and import the template to FVA-E2SX.
- Detect the placement of a finger on the device, and send the authentication command to FVA-E2SX.
- After receiving the authentication result, microcomputer opens or closes the door.
System Diagram
Key BOX Specification
Item | Contents |
---|---|
Usage | Key Box Access Control |
Power | Signal processing: 5.0V Door solenoid valve: 5.0V |
Input | Real template from a recording media using the ID number input |
Recoding Media | External Memory |
Enrollment | Enroll template using another system, and save template in recording media |
Communication | Inside chassis, connecty by RS-23C interface Unencrypted communication(*) |
Door Unlock/Lock | Unlock after successful authentication Lock after certain period of time |
Emergency Evoidance | Long password, Use master key |
*Template data is encrypted
Sequence chart (Basic operation)
Implementation
Embedded FVA-E2SX to commercial Key BOX.
*The sample source code and design files available through “Development Kit for Physical Access Products
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