Plug the RFID module into the breadboard with enough space around it. Connect the VCC pin to the Arduino's 3.3V (not 5V), and ...

Electronic and Arduino ... door using a micro servomotor. The DIY biometric lock is also equipped with three push buttons and a 16×2 LCD display. “This is a security door lock with fingerprint ...

Unlike a Raspberry Pi, you won't find anything resembling an operating system ... Piezo sensor on a door, it can notify you ...

The system uses a custom script that has been written and is available for download. The Arduino door lock ... using a variety of materials and methods. In Mike’s project, a simple servo motor ...

When you think of Arduino projects, your mind likely goes straight to RFID door locks, weather sensors, or automated plant watering systems ... t serve any immediate use to you at all.

Over on Adafruit, they show you how to build your own that hooks into IFTTT so you can be alerted any way you like when the door opens. The system here uses a cheap Arduino board, a few sensors ...