- Adafruit_Fingerprint.h: Secure your project with biometrics - this all-in-one optical fingerprint sensor will make adding fingerprint detection and verification super simple.
- Sim800L.h: The Purpose of This library is to use the module in the most easy way and transparent.
- LiquidCrystal_I2C.h: The library allows to control I2C displays with functions extremely similar to LiquidCrystal library
- NoDelay.h: This is a library for using the builtin Arduino mills function without all the setup
- TOTP.h: Library to generate Time-based One-Time Passwords.
- Bounce2.h: Debouncing library for Arduino and Wiring by Thomas Ouellet Fredericks with contributions from: Eric Lowry, Jim Schimpf, Tom Harkaway, Joachim Krüger and MrGradgrind.
- SMS_RX 10
- SMS_TX 11
- SMS_RESET 2
- SDA A4
- SCL A5
- FPS_RX 0
- FPS_TX 1
- OPEN_PIN 3
- LOCK_DRIVER 4
- GREEN_PIN 5
- RED_PIN 6
- Referrence: How to Create a Fingerprint Sensor Door Lock With an Arduino UNO
- SIM800L: Library SIM800l Module for Arduino UNO
- SIM800L: Send Receive SMS & Call with SIM800L GSM Module & Arduino
- SIM800L: Sim 800l GSM Module Interfacing with Arduino | How to Make a Call and send and SMS
- LiquidCrystal_I2C: How to Use I2C Serial LCD 20X4
- IRF520 Mosfet: Using IRF520 MOSFET Switch Button to Turn ON or OFF DC load