SVPWM_converter

说明：  本人编写的一段小程序，单片机通过8255a扩展端口，实现3*8=24路低频脉冲信号的测量，采用的特别的软件算法，具有使用价值。通过串口和上位机通信。(this is a small source code i have written. i use 8255a to rich ports for MCU in order to measure 24 ways of impulse. it is practically in use.)

STM8单片机与SHT30温湿度传感器通信程序(STM8 MCU communication to SHT30 temperature & humidity sensor by i2c)

c8051f单片机上集成ucos，usbhid的应用，以及usbhid的测试工具及vc源码。(c8051f MCU integrates ucos, usbhid applications, and usbhid test tools and vc source.)

DC Motor Control using PWM with ADC

usb-sd卡-tf卡-U盘等方案开发手册，从网上收集的，包括原理图和程序(usb-sd card-tf the Card-U disk program development manual, collected from the Internet, including schematics and procedures)

51单片机实时多任务操作心痛实例，在stc89c54rd+和迪文m100显示模块上实验可行。(51 mcu real-time multi-tasking operating heartbreaking example, in Devine stc89c54rd+ and the experimental module m100 feasible.)

用51单片机制作温湿度传感器的代码，可以通过lcd显示(Making Code of Temperature and Humidity Sensor with 51 Single Chip Microcomputer)

this pdf explain about kronecker production and it s properties, very useffull one

说明：  stm32f103vet6实现printf重载(printf function about stm32f103vet6)

说明：  分享一个基于stm32cubemx生成HAL库的SPI-FLASH对FATFS的支持驱动程序, flash为w25系列(Share a spi-flash driver for FatFs based on stm32cubemx to generate Hal library. Flash is W25 series)