PLCpcb

说明：  数字滤波器，AD采样的值进行数字滤波，得到较理想的值(Digital filters, AD sampling the value of the digital filter, to be more ideal value)

数字温度计 DS18B20控制的数字温度计(Digital Thermometer DS18B20 digital thermometer control)

MSP430单片机的节点液位与电量程序，利用超声波测量液位。(Based on MSP430 ,measure the liquid level.)

stm32下跑通usb外设，编译环境基于keil(stm32 next run through usb peripherals, based on keil compiler environment)

模拟键盘击键,比较不错的一个程序.做软件仿真的(Analog keyboard keystrokes, compare a good one. To do software simulation of)

Central Empire dedicated source

电路模块表面组装技术(上)，介绍SMT的组装和检测技术以及相关重要知识。(Circuit module surface mount technology (on), introduced SMT assembly and testing technology and related critical knowledge.)

步进电机驱动，四相五线步进电机控制的测试程序，C51编写，读者可稍加修给即可应用(Stepper motor driver)

说明：  各位C51的爱好者能够看到我的拙作，这离不开龙 啸九天版主的支持，在此，我向他表示感谢，也相信C51BBS会越办越好！(C51 fan you can see my apology, which is inseparable from Long Xiao nine moderator support in this, I thanked him, and believe C51BBS will be better and better!)

这是一份控制方法的C语言实现文档，写的非常好，分享给大家，特别是PID算法，说的还蛮好的(This is a method of controlling the C language document, written in a very good, for everyone to share, particularly in the PID algorithm, that s quite good)