DC-DC

该项目首先是利用单片机对鱼缸的温度进行智能控制。首先通过外部按键对鱼缸所需温度进行设定。温度传感器 DS18B20 采集温度信息在外围的 LCD 上显示出来。其次是利用光电耦合器判断有无鱼饵，若无鱼饵，发出提示，若有鱼饵，则执行自动投食或手动投食功能。(The project first is the use of single-chip microcomputer to control the temperature of the fish tank. First, the temperature of the fish tank is set by the external button. The temperature sensor DS18B20 collects the temperature information to display on the periphery LCD. Followed by using photoelectric coupler to determine whether the bait, if there is no bait, alert, if there is a bait, automatic throw in and throw food or manually cast and functional food.)

振幅调制,角度调制，频率调制等几个源程序，模拟通信系统(Amplitude modulation, angle modulation, frequency modulation, such as source code, analog communication systems)

单片机入门的编程教材，PDF格式，简单易懂，适合初学者(SCM introductory programming textbooks, PDF format, easy to understand for beginners)

xs128PWM调试例程工程源码学习资料(xs128PWM debugging routine engineering source learning materials)

parker acr9000运动控制器上位机程序开发例子，主要包括控制器连接和断开以及读取变量(Parker acr9000 motion controller PC program development example, mainly including controller connect and disconnect and read the variable)

使用C51单片机开发的电梯源程序，单片机开发源程序(Use elevator source C51 MCU development, microcontroller development source)

基于keil软件的51单片机程序，18B20测温及12864液晶显示的文件。晶振为12M(Based on the the keil software 51 microcontroller procedure 18B20 temperature measurement and 12864 LCD file. Crystal-12M)

pic modified sine wave inverter circiut

此资料给出了一套电子设计工程师的试题，很具指导性、学习性和操作性，大家不妨下载来看看吧。(This information is given a set of electronic design engineers, test questions, it is instructive to learn, and operational, you may wish to download and see it.)

IR decoding digital display