Dan Rasmussen

Dan Rasmussen

Dan is an avid collector, fixer, and hacker of vintage technology. He’s a software engineer who lives in Groton, Massachusetts with his wife and three kids.

Latest from Dan Rasmussen


Bring fun back to the flashlight with Arduino and full-color NeoPixel LEDs. Just twiddle the knobs and dial up any hue, saturation, and light level to create millions of colors — and 10 fun flashlight modes to play with. Read more »


Motorize a phenakistoscope, a 19th-century parlor novelty that preceded motion pictures, and keep its frames synched to an LED strobe by using a sensor and an Arduino microcontroller. Invented in 1832 by Joseph Plateau, this device creates a moving picture from a sequence of stills arranged on a spinning disk... Read more »