John Breeden II is an award-winning reviewer with more than 20 years of experience covering technology. Follow him on Twitter @TheLabGuys. The Epson DC-21 Document Camera offers an inexpensive tool ...

Epson DC-20 Document Camera : With Projector The DC-20 offers several connectors in the camera base, including an HDMI port, a USB-B port, and two VGA ports.

Prices of big TVs continue to fall, but the largest screen sizes still offer a poor value. Not even the biggest TV models can produce an image as large as what's possible with an inexpensive projector ...