August 23, 2016 Add as a preferred source on Google Add as a preferred source on Google In this project, we create a joystick-controlled laser by connecting two servos to a joystick and using this ...

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 ...

[Electronoobs] built a coil gun and the obvious question is: how fast is the projectile? To answer it, he built a chronograph suitable for timing a bullet. The principle is straightforward. A laser ...