Posted in Arduino Hacks Tagged arduino, door sensor ← Controlling The Garmin HUD With Bluetooth Magic Screwdriver Decides If You Watch TV Or Not → ...

That’s right, these parking sensors are powered by an Arduino board, and the only extra components that were used in the project are a HC SR04 ultrasonic sensor, an active buzzer, and jumper wires.

The build uses an Arduino, a Bluetooth plugin, and few chips to control the the process. The end result is a system where you can enter in a code on your phone that's transferred over Bluetooth ...

He has fashioned an Arduino-powered door bolt that locks itself whenever you open an incognito browser window. Always nice when a computer gives you a helping hand.