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精心编写程序模块，关于全国电子设计大赛的资料(Elaborate Programming Module, Information about National Electronic Design Competition)

STM32F103ZET6移植官方RT-Thread嵌入式操作系统框架(STM32F103ZET6 Porting Official RT-Thread Embedded Operating System Framework)

51单片机开发板LED流水灯 有C和汇编两版 直接可以打开(51 single LED lights have two editions of C and assembler)

自己写的一个带有松手检测和长按识别，短按识别，长短按区分的键盘扫描程序(Write your own keyboard scanner with a loosely detection and long-identification, press recognition, length according to the distinction)

基于STM32F103R8的PID算法例程，PWM输出控制信号，ADC输入反馈信号，形成闭环控制，完整工程源码。(PID algorithm based STM32F103R8 routines, complete engineering source, PWM output control signal, ADC input feedback signal to form a closed-loop control.)

路由器自动开关机省电 由廉价的AT89S52单片机作为控制采集芯片，控制三组定时开关机时间，并且能断电保存用户信息长达五年之久，路由器的控制由单刀双掷开关实现，而且无需另加电源，只须由路由器电源提供。本装置配有人性化操作界面，采用DS1602背光液晶，实现三组开关机时间显示和实时时钟显示。(Router Switcher power saving)

使用STM32f103c8t6输出两路PWm(Using STM32f103c8t6 to output two PWM)

Full Proteus project with src in C AtMEGA8 for ds1990 iButton system.

射频通信lora通信模块相应资料，可以使用1278进行通信无线抄表(Radio frequency communication)

stm32f407使用OV2640摄像头进行拍照存储到sd卡中(stm32f407 using OV2640 camera to take pictures sd memory card)