Pico projectors are great. Like most of the elecrontics today that have to carry a video signal the most common inputs are A/V (RCA), VGA (laptop), and now HDMI.
Newegg is my favorite online retailer for computers and projectors, and they do sell Pico projectors. CDW is another great website that sells them. Buy.com also has them, but I find their customer service worse.
Yes, LCD projectors come with a variety of inputs. Depending on the age or manufacturer's intended use, you'll be able to find LCD projectors available with inputs ranging from VGA and coaxial all the way to Component, DVI and HDMI.
Examples for small projectors are the M2 Micro Projector, Acer K11, Optoma PK301 Pico, PocketCinema V50, Dell M109S On-the-Go, Samsung SP-H03 or SHOW WX.
Overhead projectors lack digital connectivity features, such as USB ports or HDMI inputs, limiting their ability to connect directly to modern devices like laptops or tablets. They also do not support multimedia capabilities, such as playing audio or video files, which are common in more advanced projectors. Additionally, overhead projectors do not offer high-definition image quality or advanced image manipulation effects, such as zooming or focusing, found in digital projectors. Lastly, they do not typically have built-in storage or memory functions for saving presentations.
Companies that manufacture 1080p resolution projectors include Epson, View Sonic, In Focus and Optoma USA. More information about specs and pricing is available on these manufacturers' websites.
Pico produce a range of projectors with assorted connection options. They all come with several cables to allow connectivity to a range of devices. Adapters can also be purchased which will connect, for example, the MacBook Pro's Mini Display Port to the Pico's VGA (See links below).
The BenQ MP512ST 800 x 600 DLP Short-Throw Projector and some Sony brand such as the VPL-VW100/P SXRD Full HD Professional LCD Projector have HDMI inputs.
Hd projectors come in many shapes and sizes with a variety of features. The most common ones include 720p and 1080p projectors. 1080p projectors are the most advanced, giving you the best picture quality, but at the highest price. 720p projectors are slightly less in quality but are also cheaper. 1080p projectors start at about $1500 and 720p start at $300.
LCD projectors are used to project video or images onto a flat screen. The technology has almost replaced the older slide projectors or over head projectors. The picture is much clearer than on old technology. A common use of LCD projectors is to project song lyrics onto a screen during church services or to display powerpoint slides during a college lecture.
A component switch also known as a matrix switch enables users to switch between multiple video inputs to multiple LCD's, TV's or projectors with compatible outputs.
Dirty Projectors was created in 2002.
Infocus projectors are made for the office, home, classroom, and for all presentation needs. Infocus projectors can also be useful in churches and the courtroom. The projectors are for presentation purposes.