M5Stack Unit Fingerprint2 Sensor

M5Stack Unit Fingerprint2 Sensor Module integrates an STM32 core controller and an A-K323CP all-in-one fingerprint recognition module. This high-performance fingerprint recognition sensor unit utilizes a semiconductor capacitive sensor with multiple functions, including fingerprint acquisition, feature extraction, comparison, registration, storage, and retrieval. The built-in fingerprint recognition algorithm is compatible with both dry and wet fingers, while the UART communication interface facilitates easy integration. Additional features of the U203 device include high data security, flexible fingerprint data management, and fast search and positioning functions. M5Stack Unit Fingerprint2 Sensor Module is ideal for rapid development and integration in applications such as identity authentication, smart door locks, access control attendance, financial payments, and small security systems.

Features

  • Integrated STM32 core controller
  • High-resolution capacitive fingerprint sensor with high-accuracy recognition capability
  • Fingerprint capacity of 100 entries
  • Adaptive processing for both dry and wet fingers
  • Fingerprint management, precise matching, and search functions
  • Built-in RGB LED ring supporting seven colors for (working status) indication
  • Development platform
    • UiFlow2
    • Arduino IDE
    • PlatformIO

Applications

  • Smart door locks
  • Access control attendance
  • Identity authentication
  • Financial payment
  • Small security systems

Videos

Call-Outs

Infographic - M5Stack Unit Fingerprint2 Sensor
Publié le: 2025-12-23 | Mis à jour le: 2025-12-25