Waveshare High precision Capacitive Fingerprint Reader (B), UART/USB dual ports


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SKU: 1094954
  1. Dynamic current : <40mA
  2. Operating voltage: 3.3-5V
  3. Encryption key : 64-bit encryption
  4. Image collecting rate : 20fps
  5. Matching time : 0.5s
  6. Greyscale: 256 (8-bit)
  7. Fingerprint capacity: 3000


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Category: Biometric/ECG/EMG Sensor
Tags: capacitive sensor

This is Waveshare High precision Capacitive Fingerprint Reader (B) UART/USB dual ports.

The Capacitive Fingerprint Reader (B) is a fast and stable capacitive fingerprint module specialized for secondary development, suits integration applications.
By incorporating a high-performance Cortex core processor, high-security commercial fingerprint algorithm, and advanced semiconductor fingerprint sensor, this module is designed as an intelligent integration module with functions including fingerprint enrolling, image processing, template generating and storing, fingerprint matching, and searching, etc.

Useful link:

For Software setup, please follow this tutorial.


  1. Easy to use by some simple commands, you don’t have to know any fingerprint technology, or the module inter structure/calculation
  2. The commercial fingerprinting algorithm, stable performance, fast identification
  3. Sensitive detection, just touch the collecting window lightly, without pressing
  4. Allows to freely input/output fingerprint images, fingerprint feature file and other fingerprinting actions
  5. Dual communication, UART or USB
  6. Comes with rich development resources (related command documents, tools, and examples for Raspberry Pi/Arduino/STM32)

Package Includes:

1 x Capacitive Fingerprint Reader (B)

1 x PH2.0 5PIN wire

SKU: 1094954 Category: Tag:
Dynamic current(mA)


Matching time



SD IEC 61000-4-2 LEVEL 4 positive/negative 15KV air discharge

Fingerprint capacity



256 (8-bit)

Display Resolution

208 × 288

Sensor dimension(mm)

33.4 × 20.4

Module dimension(mm)

34 × 28.5

Shipping Weight 0.022 kg
Shipping Dimensions 7 × 5 × 2 cm
6 Months Warranty

This item is covered with a supplier warranty of 6 months from the time of delivery against manufacturing defects only. This is a quality product from the original manufacturer. Only manufacturing defects are covered under this warranty. Replacement will be done against manufacturing defects.

What voids the warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Command manual

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Country Of Origin: China