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GROW K202+R502 Fingerprint Control Board

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June 18, 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 K202+R502-A DC12V Low Power Consumption Fingerprint Access Control Board paired with the R502-A Small Ring LED Fingerprint Module. This advanced system offers high-speed fingerprint recognition, low standby current, and customizable relay time for secure and efficient access control.
Related Product Features:
  • DC12V power supply with ultra-low standby current of 15uA for energy efficiency.
  • Relay output with adjustable closing time from 0.5 to 13 seconds for flexible control.
  • Supports up to 120 fingerprint registrations for multiple user access.
  • Compact size (64.4*25.4mm) for easy integration into various systems.
  • Simple fingerprint registration with a single press of the SET button.
  • Factory default reset by long-pressing the SET button for quick reconfiguration.
  • Compatible with multiple fingerprint modules including R502-A, R502-AW, R502-F, R503, and R503-M22.
  • Capacitive fingerprint module (R502-A) with 508 DPI resolution and fast scanning speed (<0.2 seconds).
Faqs:
  • What is the power supply requirement for the GROW K202+R502-A?
    The GROW K202+R502-A operates on a DC12V power supply with a standby current of just 15uA, ensuring low power consumption.
  • How many fingerprints can be registered on the K202 control board?
    The K202 control board supports up to 120 fingerprint registrations, allowing multiple users to access the system.
  • Can the relay closing time be adjusted on the K202 control board?
    Yes, the relay closing time can be adjusted from 0.5 to 13 seconds by rotating the K2 button on the K202 control board.
  • What is the resolution of the R502-A fingerprint module?
    The R502-A fingerprint module features a high-resolution capacitive sensor with 508 DPI for accurate and fast fingerprint recognition.
  • Is the GROW K202 compatible with other fingerprint modules?
    Yes, the GROW K202 is compatible with several fingerprint modules, including R502-A, R502-AW, R502-F, R503, and R503-M22.
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