The design using ATMEL89C51 single chip to control the step-motor with its controller, driving circuit and LED display circuit to realize step motor open-loop control were introduced.
通过ATMEL89C 51单片机对步进电机进行控制，主要介绍了步进电机控制器、驱动电路和LED显示电路的设计，实现了步进电机的开环控制。
This article introduces the Chinese spelling input in LED display screen by using infrared remote controller, including area code input and spelling input.
本文详细介绍在处理LED显示屏中文信息时使用红外遥控输入汉字的方法：区位码输入法和拼音输入法。
As the key of controlling LED screen to display video and data, LED screen controller is the core of the whole LED display system.
LED显示屏控制器作为控制LED屏显示图像、数据的关键，是整个LED视频显示系统的核心。
The display technology of LED includes micro controller, video, optics mechanics and digital image manipulation etc.
LED显示技术涵盖了微机控制、视频、光学、机械和数字图像处理等多种技术。
The controller can edit and transmit some characters, Chinese characters and pictures of LED display screen within 200 meters.
该控制器能够完成LED显示屏所要显示的字符、汉字、图片的编辑和实现200米以内的数据传送。
The LED display system is composed of display module, controller and computer used to implement the characters inputting and the display mode selecting.
LED显示系统主要由显示模块、控制器以及完成文字录入和显示模式选择的计算机三个部分组成。
The display with LED video louver window mode consists of computer system, frame controller, receiving board, scanning board, LED displaying unit, supporting rack, power source and lines;
这种LED百叶窗式显示屏由电子计算机系统，帧控制器，接收板，扫描板，LED显示单元，支撑架，电源及连线组成；
Design the realizing methods of controller unit, including LED display module, communication module, infrared remote controller module, etc.
设计了下位机控制单元的实现方案，包括外部扩展的显示模块(LED)、红外遥控模块、通信模块等的设计方法。
Design the realizing methods of controller unit, including LED display module, communication module, infrared remote controller module, etc.
设计了下位机控制单元的实现方案，包括外部扩展的显示模块(LED)、红外遥控模块、通信模块等的设计方法。
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