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Fingerprint-Activated Door Mechanism

A collection of 3D-printable models for creating a fingerprint-activated door mechanism
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updated January 29, 2025

Description

PDF

Components and Materials Needed:

Electronics:

  • JM-201 Fingerprint Scanner
  • YM-2765 Servo Motor
  • Arduino Nano Microcontroller
  • Buzzer (for entry tone)
  • Push Button (for exit functionality)

3D-Printed Parts:

  • Front Plate (for the fingerprint scanner and servo mount)
  • Back Plate (to hold the buzzer, button, and Arduino Nano)
  • Back Cover (to enclose the back plate components)
  • Button Model (to integrate through the back plate)
  • Servo-to-Door Mechanism Adapter
  • JM-201 Holder (to secure the fingerprint scanner onto the front plate)

Hardware:

  • 22 M3 screws (0.5mm Length)
  • 2 M1 screws (0.5mm Length)
  • 2 M1 screws (1.5mm Length)

For step-by-step assembly instructions, watch the YouTube video for more details and guidance on completing the project.

 

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The author marked this model as their own original creation.

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