Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — either via Bluetooth or Wi-Fi.

Learn how to build an RFID door lock system using Arduino for secure and smart access control. This step-by-step guide covers circuit connections, coding, and hardware setup to create an automated ...

The prototype support manual controlling and microcontroller controlling to lock and unlock home door. By connecting the circuit with a relay board and connection to the Arduino controller board it ...

SafeLock is a smart door lock system utilizing NFC cards and Bluetooth for enhanced home security. It offers secure, convenient access control and remote management via an Arduino-based platform ...

SafeLock is a smart door lock system utilizing NFC cards and Bluetooth for enhanced home security. It offers secure, convenient access control and remote management via an Arduino-based platform ...

In the lower left is [Brett’s] Bluetooth door lock controller. The Arduino, a cheap Bluetooth module, and a relay board make up the base station which will eventually connect to an electronic lock.

Posted in Arduino Hacks Tagged app inventor, arduino, bluetooth, door, lock ← These Bit Twiddling Tricks Will Make Your Coworkers Hate You Oceanography As Open As The Seas → ...