Thin-Type Finger Vein Recognition Module (B), Built-in Cortex Core, USB Drive-Free Adaptability, UART Communication Interface, Finger Vein Liveness Detection

SKU:30972
Part No.:Finger Vein Scanner Module (B)
Brand:Waveshare

$15.99
PriceQuantity
1
$15.392
$15.093
$14.974+

Details

Thin-Type Finger Vein Recognition Module (B), Built-in Cortex Core, USB Drive-Free Adaptability, UART Communication Interface, Finger Vein Liveness Detection
Thin-Type Finger Vein Recognition Module

Adopts high-performance Cortex core controller

Fast recognition, High stability, low power consumption, easy to assemble

Thin-Type Finger Vein Module (B), front view
Features

This product is a finger vein recognition module based on a 32-bit ARM Cortex-M4F core, the operating frequency is up to 192MHz. Supports floating-point algorithm calculation and DSP instruction set, enabling efficient execution of biometric recognition algorithms. The module adopts a separated NIR light design, making it easy to integrate into various terminal devices and enhancing overall system integration.

The module interface is compatible with industry-standard fingerprint recognition protocols and offers excellent platform adaptability and scalability, enabling rapid integration and development. It is suitable for applications such as smart door locks, push-pull or concealed door handles, compact smart storage cabinets, and access control and attendance systems, providing a high-precision and highly reliable identity authentication solution.

  • Thin-type finger vein recognition module with a mounting thickness of 8.29mm
  • High-precision integrated all-in-one design with no redundant internal wiring, high design reliability
  • Based on SOC microcontroller system architecture with a high-performance finger vein algorithm engine, supports EAL4+ security certification
  • The standby current is less than 5uA, the working current is less than 19.5mA, and the power-up response time is less than 20ms, making it one of the products with excellent energy efficiency optimization in the industry
  • Fully enclosed structure with no exposed components except for the wiring connectors. Conforms to industrial-grade Triple-Proof standard, and the waterproof level reaches IP56
  • Supports USB and UART serial communication
  • The module interface is compatible with the fingerprint industry standard, more convenient for integration and development
  • The module algorithm features adaptability, and supports both fingerprint protocol and private protocol
  • Adopts a separated design, the near-infrared (NIR) light source is physically separated from the finger vein module and mounted opposite the finger vein window, centered and within a 50mm range

Finger vein recognition

Different from the traditional fingerprint module to capture surface fingerprint images, the finger vein recognition module utilizes near-infrared imaging technology to detect the absorption characteristics of hemoglobin in the blood under near-infrared light and obtain the vein distribution image within the finger. This method effectively avoids recognition failures caused by skin damage, abrasion, or surface contamination.
After collecting images, the module will perform a series of processing steps such as image enhancement, filtering, normalization, binarization, and feature extraction, to extract the spatial topological features of the vein pattern, enabling high-precision liveness identification. For users with unclear, worn, or missing fingerprints, finger vein recognition offers a more stable, reliable, and secure biometric alternative.

Thin-Type Finger Vein Module (B), finger vein recognition principle

Specifications
SOC 192MHZ 32-bit ARM Cortex-M4F microprocessor
User capacity 100 ID
Recognition speed <1s
Matching Method 1:1 or 1:N
Vein template data Single template ≤ 1K bytes
False Acceptance Rate < 0.0001% (at high security level)
False Rejection Rate 0.01% (at higher security level)
Communication interface USB: Adaptive USB drive-free (Windows OS)
UART: 3.3V TTL, default baud rate: 57600bps
Operating voltage 3.3V (±3%)
Operating current 19.5mA
standby current ≤ 5uA
Dimensions 39.98 × 34.92 × 8.29 (mm)
ENCLOSURE ABS + PC
Fire rating UL94-5VB
Waterproof rating IP56 (except for the connectors and NIR light part)

Innovative Design for Flexible Embedding

The module features a separated near-infrared (NIR) light design, significantly enhancing its versatility and integration flexibility. It can be easily embedded into various product structures, such as automatic smart door locks, push-pull or concealed door handles, compact smart cabinets, and simple access control systems, providing a more efficient and convenient solution for the functional upgrade of end products.

Thin-Type Finger Vein Module (B), features a separated near-infrared (NIR) light design


Precautions for Use
  • After long-term use, dust may accumulate on the surface of the collection window and affect finger vein recognition performance. It is recommended to clean the device regularly.
  • You can use a cotton swab dipped in a small amount of alcohol to wipe the collection window. If alcohol is not available, high-proof liquor can be used as an alternative. Do not use cleaning agents like PCB board cleaners or electric contact cleaners.
  • Avoid impact from sharp objects on the collection window.
  • Avoid using the device in rain, direct sunlight, and strong magnetic or high electrical fields.
  • Keep metal objects and conductive materials away from the surface of the collection window to prevent physical damage.

Correct Enrollment Method
Thin-Type Finger Vein Module (B), correct finger placement demo

Gently place the finger parallel to the collection window and touch both sensing points simultaneously

Thin-Type Finger Vein Module (B), correct finger placement demo

The entire finger vein pattern must be captured for successful enrollment

Thin-Type Finger Vein Module (B), correct finger placement demo

Make sure that the fingertip, middle section, and finger base are all accurately enrolled

Thin-Type Finger Vein Module (B), correct finger placement demo

Slightly change the finger position with each placement to ensure full coverage


Wrong Finger Placement
Thin-Type Finger Vein Module (B), wrong finger placement demo

All fingers are overly tense or stretched

Thin-Type Finger Vein Module (B), wrong finger placement demo

Finger does not touch both sensing points

Thin-Type Finger Vein Module (B), wrong finger placement demo

Finger touches the middle collection window

Thin-Type Finger Vein Module (B), wrong finger placement demo

Finger is pressed down with excessive force


Connection Methods
Thin-Type Finger Vein Module (B), connection via USB port

Connect to the USB port of PC via the adapter board and USB cable

Thin-Type Finger Vein Module (B), connection via UART

Connect directly to the UART interface of the controller board via cables

* for reference only, the above controller board or host are NOT included.



Outline dimensions
Thin-Type Finger Vein Module (B), outline dimensions Thin-Type Finger Vein Module (B), outline dimensions

Weight: 0.074 kg

Quick Overview

  1. Finger Vein Scanner Module (B) x1
  2. 3.3V adapter board x1
  3. MX1.25 6PIN cable x1
  4. MX1.25 6PIN to 2.54 cable x1
  5. MX1.25 5PIN cable x1
  6. Type-A male to MX1.25 4PIN cable x1
Finger Vein Scanner Module (B)