LED (Light Emitting Diode) industry as a mature industry, the market is huge, the
application prospects is broad.Through the application of LED technology, the basic research
could further strengthen our professional skills and strengthen our hands design
capabilities.However, the characteristics of LED dot matrix display is not only here, LED dot
matrix display using a digital, and digital tube has a practical, cost advantages.LED dot
matrix display made out of very durable. LED dot matrix display by the wide attention and
rapid development, with the LED display itself has the advantage inseparable. LED dot
matrix display is extremely broad prospects for development, the current is moving higher
brightness, higher weather resistance, higher luminous density, higher luminous uniformity,
reliability, full color direction.This article describes the microcontroller-based STC12 of
16×16LED dot matrix character scrolling display design. Which focuses on the LED dot
matrix display hardware design ideas, the hardware circuit functions of various parts and
principles corresponding software program design, and detailed workflow and instructions
for use.
This paper is divided into six parts, of which the main contents of the overall system
analysis, system hardware design, system software design three parts. Overall system
analysis is the foundation; system hardware design is the key and core part of this paper, this
section first briefly describe the system hardware works, and attached to the system hardware
design diagram, discusses this graduation design applications and in all of the hardware
interface technology Interface module functions and working process; software design is an
essential part of system operation. The main idea of this writing is soft and hardware
combination, hardware-based, for each functional module design. The design of practical,
simple, powerful extension. The display is designed with a small, less hardware, circuit
structure is simple and easy to implement.
Key Words：LED Lattice Chinese character demonstrates
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