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利用at芯片存储数据，具有掉电不丢失。模拟我们手机开机关机多少次。(Using the at chip to store data, there is no loss of power loss. Simulate how many times our phone is turned off.)

Programming LCD 1602 with stm32f4

51单片机，结合DS18B20温度传感器，实现对温度的采集，通过数码管显示(51 single-chip, combining DS18B20 temperature sensors, temperature acquisition, through a digital display)

stm32f103读写AT24C256的C语言程序(stm32f103 read and write the AT24C256 C-language program)

电子竞赛用超好的资料，网上没有的。欢迎大家来看(Electronic racing super good information, not online. Welcome to the point of view)

论文<基于GPRS远程数据采集系统> 关键字:GRPS；短消息；单片机；数据采集(GPRS based Remote Data Acquisition System)

AT89S52键盘程序,这是一个变频器的键盘驱动程序，简单，可靠，芯片为51单片机(one simple progrem for 51,if you like ,you can use it freely.)

说明：  根据stm32f103自带DA功能和DMA实现输出正弦波,可根据改变定时器周期改变正弦波频率。(According to the DA function and DMA of stm32f103, the output sinusoidal wave can be realized, and the frequency of sinusoidal wave can be changed according to the period of timer.)

说明：  speed control of induction motor using matrix converter cccf(speed control of induction motor using matrix converter dcd)

32位单片机HR8P506上运行FreeRTOS，HR8P506是一款Cortex-m0内核的国产单片机，支持2.5-5.5V的宽电压，36KB Flash和8KB SRAM能够满足绝大多数的应用开发。(32-bit MCU HR8P506 runs FreeRTOS. HR8P506 is a domestic MCU with cortex-m0 kernel, which supports a wide voltage of 2.5-5.5v, 36KB Flash and 8KB SRAM which can meet most application development.)