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Home / Computer Hardware, Monitors & Peripherals / Hailinke Semiconductor Fingerprint Recognition Module ZW3020 - Capacitive Touch Fingerprint Door Lock Sensor

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Sensor Type Capacitive Semiconductor
Communication Interface UART / USB
Supply Voltage 3.3V - 5.0V DC
Recognition Time ≤ 0.5 Seconds
Fingerprint Capacity 100 Fingerprints
False Acceptance Rate (FAR) < 0.001%
False Rejection Rate (FRR) < 1.0%
Operating Temperature -20°C to 60°C
Module Dimensions 24mm x 14mm x 2.5mm
Surface Material Scratch-resistant Silicon

5 reviews

A

Anonymous

Mar 18, 2026

Rating: 4/5

Good sensor, slight lag

Overall good quality but sometimes needs a second scan if my fingers are slightly dry. Otherwise reliable.

A

Anonymous

Mar 11, 2026

Rating: 5/5

Perfect replacement

Swapped out my old module seamlessly. The form factor fits standard lock housings perfectly.

A

Anonymous

Mar 03, 2026

Rating: 5/5

Great for DIY locks

Works perfectly with my ESP32 project. Fast recognition and easy to integrate into my smart home system.

A

Anonymous

Feb 26, 2026

Rating: 5/5

Excellent accuracy

Very impressed with the false rejection rate. It rarely fails to recognize authorized users.

A

Anonymous

Feb 01, 2026

Rating: 3/5

Documentation needed improvement

Hardware is fine but setup guides were vague. Had to search online forums to get the wiring right.

5 FAQ

Q: What is the warranty period?

A: We offer a 12-month manufacturer warranty on this module.

Q: Can it work in rain?

A: It is not waterproof. Please install it under a covered area to protect from moisture.

Q: Is this compatible with Arduino?

A: Yes, it supports UART communication compatible with Arduino boards.

Q: Do you provide SDK?

A: Yes, SDK and documentation are available upon request via our support portal.

Q: How many users can be stored?

A: The module supports up to 100 fingerprint templates in its internal memory.

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