The dot matrix LCD screen can display graphics, Chinese characters and characters. What is displayed can be realized by your software and can be changed. The broken code screen can also display graphics, Chinese characters and characters, but the position of the broken code screen to display the graphics and Chinese characters is fixed. Only "8" or "meter" can be changed.



1. Dot-matrix LCD screens are arranged in a certain order and rules. Generally, there are graphic dot-matrix LCD modules. There are many points in it. By controlling these points, text or graphics can be displayed, and the screen can be scrolled up and down, left and right, and animation functions can be realized. For example, a 12864 dot matrix LCD screen has 64 vertical dots and 128 horizontal dots. There are a total of 128*64 dots.



2. Segment LCD is also called pen-segment LCD, which refers to a fixed LCD display that displays or does not display at a specified position. It can only be used for simple display of numbers and characters. It is mainly used to replace LED digital tubes ( It is composed of 7 pen segments, used to display numbers 0-9), such as clocks, landlines, calculators, etc. The displayed contents are all numbers and it is relatively simple. Compared with the segment code, the main difference of the dot matrix LCD screen is that the segment code LCD intelligently displays characters and numbers, while the dot matrix LCD screen can not only display numbers but also display Chinese characters and images. The broken code LCD screen is also cheaper in price. a lot of.