Basic AVR Password Lock

First project using ATmega328, practicing on learning the AVR framework. As well as learning how to use EEPROM read and write function to allow the system to remember a state even after the system is turned off.

Features

• EEPROM Persistence: Stores the 4-digit password in non-volatile memory. The password remains saved even after power-off.
• Direct Verification: Compares keypad input directly against EEPROM values to minimize SRAM footprint.
• Input Handling: Supports * for clearing the current buffer and # for verifying the password.

Tools Used

1. SimulIDE - 1.1.0-SR1
2. Visual Studio Code

Live Demo

Instagram Video