In the presentation. The presentation can be used in a variety of media presentation to communicate with the audience. Access to the requested content from presentation to broadcast receivers, such as slides, animation, or from the actual work, which can be presented through the medium of video. A CD or a presentation program by computer. Which of these media is complicated and takes a lot of time in preparation. But the presentation through the projector, we develop a solid sheet can be easily difficult และเสียเวลา like presentation through media above. The present information from books, sheet, or the actual workpiece or screen projector or a television receiver directly. The media presentation, to the use of multiple devices Yeo. We have to make a solid sheet projector features are more and more in the presentation.If the development of a solid sheet projector available more diverse and convenient to teach, and the price is cheaper machines, projector,The researcher is a concept developed optical sheet solid application prototype. By using the circuit in the assembly. Can use more versatile, easy to use, and comfortable in teaching than ever.
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