News & Articles

Get started learning to build your own electronics by following our FREE online courses below!
Learn More »



Build Like A Pyro!
Find many of the parts used on this site at our favorite online electronics shop
Take Me To The Gadgetory!
Intro to the Photo Interrupter

Posted November 4, 2010 by Chris

The Photo Interrupter is a cool piece of technology that provides a means of electrical/mechanical feed back. A small piece of tape with clear and black lines either interrupts or allows the unit to send a signal. This feedback is great for very accurate positioning, like in printers and scanner. The project write-up is indepth and uses an arduino for the brains.

Leave a Reply