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2-factor-door-lock's Introduction

2 Factor Authenticated Door Lock

Introduction

The 2 Factor door lock is a locking system built using Arduino UNO, LCD display, R307 fingerprint sensor and keypad.

Folder Structure

  1. docs/top-layer.png : PCB Board top Design
  2. docs/bottom-layer.png : PCB Board bottom design
  3. docs/drills.png : PCB Board drills design
  4. eagle-design : PCB design
  5. src : code

Components Used

  1. Switch (X1) - Tomson Electronics
  2. LED 0805 (x3) - Digikey
  3. Pin header (x2) - Robu
  4. Screw Terminal 1x2 (x1) - Tomson Electronics
  5. Screw Terminal 1x4 (x1) - Robu
  6. Capacitor 0805 100nF (x1) - Robu
  7. Resistor 0805 100Ω (x1) - Tomson Electronics
  8. Resistor 0805 10KΩ (x3) - Tomson Electronics
  9. Capacitor 175TMP-0810 10µF (x1) - Tomson Electronics
  10. Resistor 0805 150Ω (x1) - ELECTRONICScomp
  11. Crystal 16Hz (x1) - Tomson Electronics
  12. Resistor 0805 180Ω (x1) - Tomson Electronics
  13. Resistor 0805 1KΩ (x7) - Tomson Electronics
  14. Diode 1N4007 (x2) - Tomson Electronics
  15. Capacitor 175TMP-0810 1µF (x1) - Mouser
  16. Resistor 0805 220Ω (x3) - Tomson Electronics
  17. Capacitor 0805 22pF (x1) - Tomson Electronics
  18. Resistor 0805 330Ω (x1) - Tomson Electronics
  19. Resistor 0805 390Ω (x1) - KTRON
  20. Capacitor 175TMP-0810 470µF (x1) - Element14
  21. Resistor 0805 510Ω (x1) - Tomson Electronics
  22. Resistor 0805 680Ω (x1) - ELECTRONICScomp
  23. 7805T (x1) - Tomson Electronics
  24. Resistor 0805 82Ω (x1) - KTRON
  25. ATMEGA328P-AU (x1) - Tomson Electronics
  26. BC547 (x1) - Tomson Electronics
  27. Barrel Jack (x1) - Tomson Electronics
  28. PCF8574AT (x1) - Mouser
  29. 5V Relay (x1) - Tomson Electronics
  30. 16x2 LCD Display (x1) - Tomson Electronics

PCB Design

Top Layer

PCB - Top

Top layer

Bottom Layer

PCB - Bottom

Bottom layer

Drills Design

Drills design

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