The HK-808 fingerprint module is based on a high-speed DSP processor, combined with a semiconductor fingerprint sensor, an intelligent module with functions such as fingerprint entry, image processing, fingerprint comparison, search and template storage.
Supply voltage 5V or 3.3V
Touch current 8uA (average voltage is 5V)
Module working current 31mA (average voltage is 5V)
Fingerprint image entry time <0.45 seconds
Working temperature -35 β οΌ + 80 β
Storage temperature -35 β οΌ + 80 β
Working humidity 20% -90%
Storage humidity 16% -95%
Acquisition window size 20.4MM * 33.4MM
Effective image size 12MM * 15MM
Image size 192 * 192pixel (effective 192 * 192pixel)
Image resolution 508DPI
Matching method Comparison method (1: 1)
Search method (1: N) (when 500 full registration) <1 second
Is there self-learning? Yes
Fingerprint features 498 bytes ( extraction time <0.45 seconds)
Acquisition method Capacitive area array semiconductor sensor plane sintering
500 storage capacity
Security level five (from low to high: 1, 2, 3, 4, 5)
False recognition rate (FAR) <0.001% (security level: 3)
Rejection rate (FRR) <0.1% (security level: 3)
Search time <1.0 second (average)
Communication interface UART (TTL logic is feasible) or USB1.1 / 2.0
HK-808 Fingerprint Documentation is Available Here: http://leobot.net/hub/hk-808.pdf
- N/A