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low cost document camera (visualiser) - visual presenter
The document camera (also known as the visual presenter, the digital Visualizer, the digital overhead, and the docucams) is real
Time image capture devices that display objects to a large audience.
They allow teachers, students, lecturers or speakers to write on paper or show two or three
The size of the object when the audience is watching.
A document camera is usually used for classroom or scientific presentations and is connected to a video projector.
This low-cost solution is very flexible and effective, and can provide digital display of text, 3d objects and large-scale display of small-scale actions.
The display software can also take still photos and record or make videos of instructures.
Link to more information: your classroom and file camera Research: Broadneck Elementary School, the benefits of the file camera you need :-Webcam-Desklamp arm-Cable tie-
2 Velcro cable ties
Option USBext lead-
Free software app: CaptureI uses Ikea's TERTIAL work lights in the video of debut.
The long arm is important so that it can lean over, but also thin enough that it doesn't blur your point of view, and I chose a clip base that is more portable but weighs just as well.
Ready to simply remove the lamp head and the power supply to give you a blank arm.
Make sure you have a connection point for your webcam.
You can use any form of lights, the ones I have selected have a clip fitting, but you can also get them with a weighted base for free standing.
Tie the Velcro cable to each part of the swing arm.
These brackets hold the USB cable in place and should be slightly loose to allow the cable to pass when the arm moves.
Velcro makes it easy for the webcam to be removed for shipping.
If you have the skills and want to install permanently, please thread the USB cable through the frame and reinstall itsolder (advanced).
You can use USB extension if the USB cable is too short.
To ensure the refresh rate and maintenance of the USB power supply, please select the high quality USB lead and make it as short as possible.
I used Logitech 9000 pro because I can buy it on ebay for $40.
Any webcam with about 2 megapixels and proper lenses (not VGA)is perfect.
The 9000 pro has 2mp with Carl Ziess optic, providing clear text images and fast enough response speed, so the movement is smooth and natural.
Depending on your choice of swing arm and webcam, you may need to be creative here.
I can tie the tape with normal cable.
The webcam holder can slide well to secure the webcam in a safe place, but can easily be removed for shipping.
There are many kinds of video capture applications.
I did a lot of research.
About 20 apps installed)
Discover that the free version of video capture software launched by NCHSoftware is the best.
There is a paid version, but I found that the free version can meet everything I need.
The software takes still photos from a webcam or records videos for further editing.
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