HLK-ZW0906 Capacitive Fingerprint Sensor/Scanner

The fingerprint identification system is designed to ascertain the identity of users. Upon placing a finger on the module, it scans the fingerprint, enabling the algorithm chip to extract the fingerprint image data for both registration and comparison. This technology is well-suited for numerous applications that require reliable fingerprint identification.

Technical Indicators

• Storage capacity: 100 fingerprint data as standard
• Sensor type: Capacitive Touch Sensors
• Resolution (of a photo): 508 DPI
• FRR (False Rejection Rate): < 3%
• FAR (False Acceptance Rate): < 0.001%
• Fingerprint sensor shape: Orbicular
• Image grey level: 8-bit greyscale
• Service life: Million times
• Static Test: Contact discharge ±8KV / Air discharge ±15KV
• Data interface: UART (TTL level)
• Sensor surface hardness: 3H

Electrical Parameters:

• Supply Voltage: Minimal = 3.0 V, Typical = 3.3 V, Maximum = 3.6 V
• Standby Current (Sensor): Typical = 10 µA, Maximum = 12 µA
• Operating Current (Algorithmic MCU): Minimal = 24 mA, Typical = 35 mA, Maximum = 50 mA
• Mapping Time: Minimal = 50 ms, Typical = 60 ms, Maximum = 70 ms
• Eigenvalue Generation Time: Minimal = 65 ms, Typical = 70 ms, Maximum = 80 ms
• Comparison Time: Minimal = 20 ms, Typical = 600 ms, Maximum = 1100 ms
• Power-on Start-up Time: Typical = 67 ms, Maximum = 100 ms
• ESD Rating (Non-contact discharge): Typical = 15 kV
• ESD Rating (Contact discharge): Typical = 8 kV

Pin Configuration Table (As per Datasheet)

Download:

• Datasheet
• Arduino Library