So we won’t use the last pin of keypad which is for fourth column. You can also use 4X3 keypad instead of 4X4 keypad. Next connect the Led's, servo and buzzer with the Arduino as shown in the below ...

🌟 Project Highlights: 🔑 RFID Integration: Utilized an RFID reader module to authenticate users through unique RFID tags/cards, ensuring only authorized access. 🖥️ Microcontroller Programming: ...

In an era where homeowners frequently leave for work or education, robust security for residences is imperative. Traditional security measures, including window and door locks, present challenges such ...