[over9k] used his Arduino to set up a laser trip wire. The laser is mounted along side the Arduino, reflects off of a mirror, and shines on a photoresistor that interfaces via a voltage divider. The ...

Put aside all of the projects that use an Arduino to blink a few LEDs or drive one servo motor. [IngGaro]’s latest project uses the full range of features available in this versatile microcontroller ...

If you have ever wanted to create your very own laser tripwire grid like in the movies to protect your valuables possessions, buildings or outhouses. You might be interested in a new Arduino ...

A new Arduino project has been posted to the awesome Instructables website this week providing details on how you can create your very own Arduino laser pinball machine. Sound exciting? If you are ...

In this fun project an ultrasonic distance sensor is used to detect a “target” (i.e., a person, a cat, a burglar, etc.). The Arduino illuminates (blasts) the target using an inexpensive laser diode ...

In this project, we create a joystick-controlled laser by connecting two servos to a joystick and using this setup as a pan-and-tilt controller for a laser pointer. The following is excerpted from the ...

It's definitely not the most efficient way to get a clock on your wall, or the cheapest, but if you're looking for a clock that turns heads, looks cool, and is a great starter project if you're ...

Maker alarm clocks are becoming more and more fun. We recently saw this version which requires you to shoot it with a Nerf gun, and now this: an alarm clock you can play Pac-Man on. Inside of this ...

While it’s well know that a cheap pen laser is great entertainment for the cats in your life, why shouldn’t you automate the process? To that end La Fabrique DIY has built an automated system powered ...