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Sep 3, 2014
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Abstract

This paper explains the project which includes design and fabrication of a display based on Persistence of vision. The objective of the project is to create virtual display in air. A class of display device described as "POV" is one that composes an image by displaying one spatial portion at a time in rapid succession (for example, one column of pixels every few milliseconds). A two-dimensional POV display is often accomplished by means of rapidly moving a single row of LEDs along a linear or circular path. The effect is that the image is perceived as a whole by the viewer as long as the entire path is completed during the visual persistence time of the human eye. A further effect is often to give the illusion of the image floating in mid-air. For building this project, requirement is just a small 40 pin microcontroller, a position encoder, and SMD LEDs.

Keywords: POV display, persistence of vision, Rotating display, ATMEGA32

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Author Biographies

Uday D. Wankar, Government College of Engineering, Ballarsha Bypass Road, Chandrapur - 442403 Maharashtra State., India

Electrial Engineering Department

Akhil H. Wankhede, Government College of Engineering, Ballarsha Bypass Road, Chandrapur - 442403 Maharashtra State., India

Mechanical Engineering Department
How to Cite
Wankar, U. D., & Wankhede, A. H. (2014). ATmega32 Controlled “Persistence of Vision” Display. International Journal of Emerging Trends in Science and Technology, 1(07). Retrieved from http://igmpublication.org/ijetst.in/index.php/ijetst/article/view/302

References

1] Ramakant A. Gayakwad, Op Amp and Linear Integrated Circuit, 2nded, Prentice Hall PTR, 2000

2] Mitchell’s modular LED x-y (horizontally and vertically digitally scanned array system) was cited in the 29th International Science and Engineering Exposition "book of abstracts", page 97, published by the "Science Service", Washington D.C. May 1978.

3] Coltheart M. "The persistence of vision." Philos Trans R Soc Lond B Biol Sci. 1980 Jul 8; 290(1038):57–69.

4] Reference: http://www.engineersgarage.com/tutorials/avr-studio4-working

5] Reference: http://electronics.stackexchange.com/questions/18141/how-to-build-a-pov-display