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 ...

Whether it’s our own cat or a neighbor’s, many of us have experienced the friendly feline keeping us company while we work, often contributing on the keyboard, sticking its head where our hands are ...