Here is the circuit diagram of Electronic code lock system using 8051 microcontroller. It is very useful at residential places to ensure better safety. This system demonstrates a circuit named ...

Arduino enthusiasts may be interested in a new gesture controlled Arduino door lock which has been created by Adham Negm and uses an Arduino Uno together with a servo motor to slide the bolt back and ...

The main purpose of this paper is to design and implement a locker high security system based on RFID, Fingerprint, Password and GSM technology which can be organized in bank, secured offices and ...

A guy called Mike from the Useless Duck Company has created a very interesting project using Arduino that fans of incognito mode (for whatever reason) might want to replicate. Users of Google Chrome ...

One of the essential parts of any home security system is a door detector that lets you know when a door opens. Over on Adafruit, they show you how to build your own that hooks into IFTTT so you can ...

Keep out intruders and unlock your base with style! 🔐 In this Minecraft tutorial, I’ll show you how to build a Working Password Door using buttons, levers, item frames, or dropper codes — secured by ...