Light in Motion: Crafting Your Own POV Display | Electronics
In this video I’m going to show you how to make a POV display using Arduino Nano
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Timestamps
00:00 Intro
00:06 How to make POV display circuit
05:23 How to make POV stand
07:24 POV display demonstration
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The Science Behind POV:
Human eyes have a property known as ’persistence of vision,’ which means an image continues to appear in one’s vision for a fraction of a second after the object is no longer in line of sight. POV displays leverage this by rapidly flashing a sequence of LEDs at different positions. When these LEDs are moved quickly enough, such as on a spinning wheel or fan, the flashes of light blend together in the human mind to form a complete image.
Components and Construction:
Building a POV display typically involves a microcontroller, a set of LEDs, and a spinning mechanism. The microcontroller is programmed to turn the LEDs on and off at precise moments as the display moves. This timing is critical: if the LEDs flash when they’re supposed to be off or vice versa, the image will not form correctly.
Applications:
POV displays have been used in a variety of applications, ranging from novelty gadgets and toys to informative displays and art installations. They can be scaled from small handheld devices to large-scale displays seen in theme parks or concert stages. In promotional products, POV displays can be found on spinning wands or bicycle wheels, showing off brand logos or messages.
DIY and Educational Value:
For hobbyists and educators, creating a POV display is a rewarding project. It not only teaches about electronics and programming but also about human physiology and optics. Building such a device from scratch can be a great introduction to the world of maker culture and DIY electronics.
POV displays represent a clever intersection of technology and human biology, creating a visual spectacle that seems to defy logic until one understands the principles behind it.
Thank for watching....!
#electronics #jlcpcb #circuit
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