價格：免費
更新日期：2018-03-28
檔案大小：1.5M
目前版本：1.27
版本需求：Android 4.0 以上版本
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情人節，就用 「手機搖搖棒」 來秀出你的心意
手機搖搖棒 能在空中搖出文字,炫感十足,在生日Party, KTV,或演唱會中使用,格外引人注目。
(POV Display)
藉由快速切換LED的開關,利用視覺暫留 (Persistence of vision) 的原理
原因是由視神經的反應速度造成的,其時值是二十四分之一秒。
在空中不存在的大畫面64x16的點陣上,搖出文字
物體在快速運動時,當人眼所看到的影像消失後,人眼仍能繼續保留其影像,約0.1-0.4秒左右的圖像,這種現象被稱為視覺暫留現象
影片示範:
https://youtu.be/a6teiLSGLkM
What is POV Display:
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 2 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.
(Made In Taiwan)
