POV Globe

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Date
2013
Authors
Shahd Aseedah
Tahreer Daoud
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Our projects aim is to display a colored sphere image utilizing persistence of vision ability of human eye.This display will allow users to upload an image to be displayed through serial peripheral interface (SPI). A persistence of vision (POV) refers to the phenomenon of the human eye in which an afterimage exists for a brief time (10 ms). A POV display exploits this phenomena by spinning a one dimensional row of LEDs. In our case, we created a sphere display by spinning a globe of LEDs around a central motor shaft. The rotational speed of the LEDs is fast enough such that the human eye perceives a two dimensional image.Our POV project includes a total of 40 RGB LEDs that are stacked vertically on a globe and rotates in a circle. The pictures generated by the spinning LEDs are coordinated by an Arduino ATmega328P microcontroller.
Our projects aim is to display a colored sphere image utilizing persistence of vision ability of human eye.This display will allow users to upload an image to be displayed through serial peripheral interface (SPI). A persistence of vision (POV) refers to the phenomenon of the human eye in which an afterimage exists for a brief time (10 ms). A POV display exploits this phenomena by spinning a one dimensional row of LEDs. In our case, we created a sphere display by spinning a globe of LEDs around a central motor shaft. The rotational speed of the LEDs is fast enough such that the human eye perceives a two dimensional image.Our POV project includes a total of 40 RGB LEDs that are stacked vertically on a globe and rotates in a circle. The pictures generated by the spinning LEDs are coordinated by an Arduino ATmega328P microcontroller.
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