LCD Chinese character display mechanism

1, Character display mechanism 1. Character display principle The LCD passes through each pixel. To display a character on the LCD, the following two steps are required: Occupy a place on the screen, the size has the final say in the big font.② Control whether each pixel is displayed in turn on the occupied place. For example, Chinese chara ...

Posted by amcgrath on Fri, 14 Jan 2022 23:46:27 +0100

Seven Segment LCD digital recognition - processing program

Introduction: For the enhancement of seven segment nixie tube pictures, LeNet is used to establish the recognition model of the data set. Based on this model, it will be used to recognize the numbers in actual pictures in the future. Key words: LCD, LENET   § 01 seven segment digital identification 1.1 data collection pr ...

Posted by DavidP123 on Sat, 08 Jan 2022 22:02:16 +0100

Framebuffer programming summary, I hope everyone can learn

🌹 Introduction of 0.FrameBuffer Framebuffer is a driver interface that appears in the 2.2.xx kernel. In Linux system, LCD is controlled by framebuffer driver. Frame means frame and buffer means buffer, which means that framebuffer is a piece of memory that holds a frame of image. We can understand that each point is a pixel. The units of t ...

Posted by fxb9500 on Tue, 02 Nov 2021 20:40:48 +0100