Frequency measurement procedures, are all products in use, high

用LCD1602来显示日期和时间，源码程序-LCD1602 display with date and time, source program

ht9200B C51编程子程序和HT9200A和资料-ht9200B C51 programming routines and information and HT9200A

基于HS108设计的红外水位检测仪，内含C源代码，原理图及PCB，稍作改动可以用于很多位置检测场合如油泵位置检测等。-HS108-based design of infrared detector water containing C source code, schematics and the PCB, to make a minor amendment can be used for position detection in many occasions, for example, pumps and other position detection.

51汇编语言缩进程序,格式化出漂亮的51汇编代码-51 assembly language brings procedures, formatting beautiful out of the 51 assembly code

51单片机数码管和按键处理驱动程序。可作为学习51的朋友参考。-for study 51 references.

电荷转移容性触摸按键传感器示例代码，这是基于C8051F的，很容易移植到其他平台！-Charge-transfer capacitive touch sensor button sample code, which is based on the C8051F easily ported to other platforms!

单片机,嵌入式系统实时操作系统rtos及基于80C51单片机源码 -Single chip, embedded systems and real-time operating system rtos source based on 80C51 microcontroller

利用脉冲控制伺服电机运转，伺服电机频率通过改变定时器初值来控制-The use of pulsed operation of servo motor control, servo motors by changing the timer frequency to control the initial value

１０种软件滤波方法　里面介绍了１０种软件滤波的编程思想-filtering software inside of 10 kinds of filtering software programming ideas

单片机串口程序，可以通过keil编译，实现一台主机和多台从机的通信，从机挂接同一条总线,主机对通信有决定权 -MCU procedures, Keil compiler can achieve a host and multiple communications from the plane, from the plane with an articulated bus, the mainframe has the right to decide Communications