这是一块用protues制作的学习板。主要是以AT89C52单片机为核心的学习板，包含LCD,LED,矩阵键盘等模块。对初学单片机者十分有用。-This is a study made use of protues board. Mainly based on AT89C52 microcontroller as the core of the study panels, including LCD, LED, matrix keyboard module. SCM are very usefu

本论文主要基于AT89C52单片机进行的简易电子琴设计。通过LCD显示屏、喇叭、键盘等外部器件，使用按键实现各种音调和音符的输入，LCD显示屏进行被操作的按键显示，用放大电路实现低音频信号的功率放大，最后经过调试用喇叭播放相关音乐。-This paper is mainly based on simple flower design on AT89C52 conducted. Through the LCD display, speaker, keyboard, and other extern

以AT89C52单片机为核心，采取布线式实时点滴监控和输液加热组成的医院智能化实时点滴系统来解决在传统输液过程中存在的输液速度不精确、冬季输液寒冷、需要人工监护等传统医疗问题。(AT89C52 microcontroller as the core, take real-time monitoring and wiring type drip infusion heating intelligent hospital consists of real-time system to solve t