Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Sensor Type	Capacitive Touch
Interface	UART / USB
Resolution	508 DPI
Fingerprint Capacity	Up to 100 Templates
Verification Speed	< 0.5 Seconds
False Acceptance Rate	< 0.001%
Operating Voltage	3.3V DC
Dimensions	14mm x 18mm x 2.5mm
Operating Temperature	-20°C to 60°C
Application	Smart Door Locks, Access Control

6 reviews

Anonymous

Mar 31, 2026

Rating: 5/5

Robust build quality

We used these in a batch of commercial access panels. They have held up well under frequent use. The capacitive surface is durable and easy to clean, which is essential for high-traffic areas.

Anonymous

Mar 25, 2026

Rating: 5/5

Excellent value for money

For the price point, the accuracy is impressive. I tested it with multiple users and the false rejection rate was negligible. The compact size fits perfectly behind standard lock faceplates.

Anonymous

Mar 15, 2026

Rating: 5/5

Perfect for custom door lock projects

Integrated this module into a smart home prototype. The capacitive touch response is instant and the UART documentation made integration straightforward. Highly recommended for DIY security systems.

Anonymous

Mar 14, 2026

Rating: 4/5

Good SDK support

The provided library for microcontrollers saved us a lot of development time. Recognition speed is consistent. Would give 5 stars if the sample code had more comments for beginners.

Anonymous

Mar 11, 2026

Rating: 5/5

Fast and secure

Replaced an old keypad system with this fingerprint module. The unlock time is significantly faster, and users love the convenience. No issues with spoofing attempts during our internal testing.

Anonymous

Mar 02, 2026

Rating: 4/5

Reliable but needs careful calibration

The sensor works great once calibrated correctly. It handles dry fingers better than optical sensors I've used before. Deducting one star because the initial setup required some trial and error with sensitivity settings.

5 FAQ

Q: How do I reset the module to factory settings?

A: To reset the module, send the specific 'Factory Reset' command via the UART interface as detailed in section 4.2 of the technical reference manual. This will clear all stored fingerprint templates.

Q: Can I store more than 100 fingerprints?

A: The onboard storage capacity is limited to 100 fingerprint templates. For applications requiring larger databases, you would need to manage template storage externally on a connected host system.

Q: Does this module support wet finger recognition?

A: While the capacitive sensor performs well in various conditions, performance may decrease significantly with very wet or dirty fingers. We recommend ensuring the finger surface is relatively dry for optimal speed and accuracy.

Q: What microcontrollers are compatible with the ZW0906?

A: The module communicates via UART or USB, making it compatible with most standard microcontrollers including Arduino, ESP32, STM32, and Raspberry Pi, provided you have the appropriate voltage level shifting if needed.

Q: Is there a warranty included with this sensor?

A: Yes, all Hi-Link semiconductor modules come with a standard 12-month manufacturer warranty covering defects in materials and workmanship under normal operating conditions.

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