stddef

STM32同步注入模式进行AD转换，功能已经实现，有需要的大家拿来用，可以让你少走很多弯路，希望对大家有用。(STM32 synchronous injection mode, AD conversion, functionality is implemented, we use them in need, can let you walk a lot less detour, hope useful for everyone. )

说明：  OV7725摄像头驱动教程（霸道开发板）介绍，希望大家喜欢(OV7725 Camera Driver Tutorial (Hegemonic Development Board), I hope you like it.)

说明：  1.44寸显示屏显示资料，可显示汉字，图片，彩色图片，带取模软件(1.44-inch display screen display data, can display Chinese characters, pictures, color pictures, with the module software)

direct sparse solver for linear equations

12864液晶显示程序 带中文字库 可以画图 写汉字 (12864 LCD process)

一个单片机应用的代码，可实现基于单片机的温度数码管显示，经验证可编译通过并实现(A microcontroller application code, enabling microcontroller-based digital temperature display, proven to compile and implement)

说明：  Sonoff-Tasmota ESP8266 源码文件(Sonoff-Tasmota ESP8266)

ATtiny24 单片机 模数转换，PWM输出，数据手册，中文资料(ATtiny24 microchip ADC，PWM，datasheet)

基于STM32的单闭环水温控制系统，18B20传感器，PID控制(Single closed loop water temperature control system based on STM32)

用单片机仿真的一个定时器,很有意思,里面有仿真文件,可以瞧瞧(Single-chip simulation using a timer, it is interesting, there are simulation file, you can look at)