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GROW KR501 Fingerprint Control Board

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June 17, 2025
Category Connection: Fingerprint Control Board
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Tags:
#Fingerprint Access Control Board #fingerprint identification module #fingerprint recognition module
Brief: Discover the GROW KR501 High Level Output DC3.3-10V Fingerprint Control Board, designed for secure access control systems. This advanced module supports 20 fingerprints, offers low standby current, and delivers a 1-second output signal. Perfect for integration into various security applications.
Related Product Features:
  • Supports up to 20 fingerprints for versatile access control.
  • Operates at a working voltage of DC 3.7-10V for flexible power options.
  • Low standby current of 2.5-7uA ensures energy efficiency.
  • Outputs a 1-second signal at 3.3V-500mA upon fingerprint verification.
  • Includes low voltage alarm functionality for safety (≤4.8V).
  • Easy fingerprint registration and deletion with clear indicator lights.
  • Initialization state allows any fingerprint to pass for setup convenience.
  • Compact and durable design for reliable performance in various environments.
Faqs:
  • How many fingerprints can the GROW KR501 store?
    The GROW KR501 can store up to 20 fingerprints, making it suitable for small to medium access control systems.
  • What is the output signal duration after fingerprint verification?
    The module outputs a 1-second signal at 3.3V-500mA upon successful fingerprint verification.
  • How do I delete all registered fingerprints?
    You can delete all fingerprints by long-pressing a registered fingerprint until the red indicator light turns on, or by grounding the INIT_KEY pin until the red light appears, then disconnecting to confirm deletion.
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