18b20

Useful modding - a spectrum analyzer + clock. We came across two 5x8 LED matrix, virtually occupying five-inch drive bay, and I decided to make a spectrum analyzer based on their sound.

一款电厂巡检软件，很简单的C++处理程序，适合初学者使用，C++(A plant inspection software, very simple C++ handler for beginners, C++)

单片机SCM处理信号的自动聚焦系统，利用单片机SCMM控制光学镜头，实现自动聚焦功能， (MCU SCM processing a signal automatic focusing system, the use of the microcontroller the SCMM to control the optical lens, to achieve auto-focus function,)

串口与pc机通讯，51单片机例程，只需要修改io口即可实现。(Serial communication with pc, 51 MCU routine, you only need to modify the io port can be realized.)

这是基于MSPCC2530的中文版数据手册，非常详细，非常清楚，很适合大家参考，学习(This is based on MSPCC2530 the Chinese version of the data sheet, very detailed, very clear, very suitable for your reference, learning)

direct sparse solver for linear equations

基于STC 51单片机做的灭菌器，传感器PT100，PID控温，滑动平均算法处理等包含eeprom底层程序(STC5620AD include PID and eeprom)

基于RS485的简单现场总线通信系统设计，功能如下：单发单收，在发送状态，能够连续发送从0到99的数字； 单发单收，在接收状态，能够接收数据，并在数码管上正确地显示出来； 单发多收，在AB完成的基础上，接上多个接收设备，能够正确发送和接收； (Based on a simple RS485 field bus communication system design, the following functions: single single collection, sending state, can be continuously transmitted from 0 to 99 single single collection, in the receiving state, capable of receiving data and digital tube correctly displayed single overcharged, on the basis of completion of the AB, connected to multiple receivers, can correctly send and receive )

IR decoding digital display

感应电动机的启动小程序，可以模拟启动过程，自动计算启动的参数，帮助初学者理解感应电动机的结构(Induction motor start-up small program that can simulate the boot process, automatically calculates the start parameters and Help beginners understand the structure of induction motor.)