Unsigned-four-byte-operation

x86obf code virtualizer source code

反射式血氧（SPO2）计算，包括基线滤波，脉搏波特征点提取，R值计算，可移植到单片机（STM32）(Reflective oximetry (SPO2) calculations, including baseline filtering, pulse wave feature point extraction, R value calculation, can be transplanted to the microcontroller (STM32))

《程序设计与数据结构》 周立功 电子书, 高清原版(Programming and Data Structure Zhou Ligong E-book)

采用VB编写的一个电路分析系统，支持现行电路的分析，具有电路图绘制，仿真功能，并包含了示波器等元器件。(using VB prepared a circuit analysis system, in support of the current circuit, with circuit diagrams mapping, simulation function, and includes components such as oscilloscopes.)

说明：  本文以第一视角讲述了移植FATFS文件系统的过程。其中遇到的困难，解决方案的寻找，原理的讲解，都能带给人许多启发(This paper describes the process of transplanting FATFS file system from the first perspective. The difficulties encountered, the search for solutions, and the explanation of the principles can give people a lot of inspiration.)

sht20温度湿度读取源码,C语言源码，自测成功，STM32平台(read the sht20, and show the temp and hum.)

史上最强T12 OLED 恒温焊台固件, hex固件相当于可执行文件，刷机即可使用。 压缩包内包括电路原理图，hex固件，使用详细说明书和软件设计思想，不含源代码。 功能包括了目前所有T12焊台的功能，还增加很多独创的功能，使用的方便性和安全性远超市场上目前同类产品。(The strongest T12 OLED Iron station firmware is in history. Hex firmware is equivalent to executable file, and the brush machine can be used. Including circuit schematics, hex firmware, using detailed instructions and software design ideas, without source code.)

51单片机程序，两个74HC595驱动8位数码管程序，串行输入，3个IO口控制8位数码管动态扫描(failed to translate)

波形（正弦波、方波、三角波）检测并显示，及波形的判定和相关参数的测量。(Detect and display waveforms (sine wave, square wave, triangle wave), and waveform determination and measurement of relevant parameters.)

红外小车壁障程序，通过红外发射和接收模块传送回来的数字信号编程，使小车能够沿着黑线行走(Through infrared send back digital signal transmitting and receiving module programming, make the car can walk along the black line)