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Grow R502-A Small Circular Ring RGB LED Fingerprint Module

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June 11, 2025
Category Connection: Fingerprint Sensor Module
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Tags:
#arduino finger print scanner #capacitive fingerprint module #fingerprint reader module
Brief: Discover the GROW R502-A RGB LED Control Small Thin Circular Fingerprint Module, perfect for high-security applications like access control and safety deposit boxes. This compact, capacitive sensor offers fast scanning and verification speeds, with a high recognition rate for all finger types.
Related Product Features:
  • Integrated image collecting and algorithm chip for all-in-one functionality.
  • High recognition rate for dry, wet, light texture, and old fingers.
  • Compact design with a circular ring RGB LED indicator for visual feedback.
  • Fast scanning speed of less than 0.2 seconds and verification under 0.3 seconds.
  • Supports 1:1 and 1:N matching methods with low FRR and FAR rates.
  • Works in a wide temperature range from -20°C to 60°C and humidity from 10-85%.
  • Includes free SDK files for Arduino, Android, .Net, and Windows platforms.
  • Durable with anti-static capacity of 15KV and abrasive resistance of 1 million times.
Faqs:
  • What is the difference between R502-A and R503?
    The R502-A is thinner and smaller than the R503, making it ideal for compact applications while maintaining the same functionality.
  • Can the circular ring LED be controlled?
    Yes, the circular ring RGB LED on the R502-A can be controlled via commands, providing customizable visual feedback.
  • What are the main applications of the R502-A fingerprint module?
    The R502-A is suitable for embedding in various end products such as access control systems, attendance devices, and safety deposit boxes.
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