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Familiar with circular display

Posted on December 12, 2021December 12, 2021 by William

Once upon a time, the maker project was limited to simple character display or character display recycled from popular Nokia, mainly because of cost. Today, a small OLED or LCD can be bought for only a few dollars. However, you can like it better, and [Mr. Walter] did it by exploring beautiful circular displays.
It’s not difficult to use a circular display because there are many great products on the market. [Mr. Walter] has experienced a variety of options, from cheap bare screens that can be connected to microcontrollers to larger models designed to directly use raspberry PI or even direct HDMI input. Many are quite high resolution and look particularly beautiful to drive with appropriate artwork.
However, there are some techniques that can come in handy when you leave the traditional rectangular screen. Some models of the screen installation may not be directly aligned with the center of the circular display, which may lead to poor effect if not considered.
It is also important to remember that the circular display is still driven by Cartesian coordinates like the square display. Trying to use software with interface elements around the edges may be an attempt, because many end up rendering off screen. Instead, circular displays are best used to display specially made content, rather than with traditional software, hoping to use a rectangular screen.
Fundamentally, circular displays are a neat thing because they allow elegant projects to be built without abstracting circles with scams such as masking baffles or shells. Play the video after the break.

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