显示系统时间，按秒更新。用DateTime.Now实现。

适合有一定基础的编程者-a basis for the programmers

6路互补PWM 合泰MCU——HT32F52241产生6路互补PWM用于驱动BLDC电机，周期相同，占空比分别可调，可设置死区时间，频率可设置,中心对齐的PWM模式，带输入捕捉功能可测电机速度，DMA读取ADC值，速度快，32位MCU

说明：  实现28335的并口读取两片外部AD芯片的转换结果，并保存到外扩RAM中。( 中文(简体)英语日语 Achieve 28,335 reads two external parallel port chip AD conversion results, and saved to external expansion RAM.)

说明：  一篇不错得光学文章 一篇不错得光学文章 一篇不错得光学文章 一篇不错得光学文章 一篇不错得光学文章(a good optical article in a well in a good optical article in a good optical article in a good optical article in a good optical article in a good optical article)

windows环境下的开源ASN.1编译器，ASN.1描述编译为C++类型，提高开发人员的效率(open source ASN.1 Complier（C++）)

该程序是基于STM32外部触发计数器的测频程序代码，可以测量的范围是0-100MHZ误差1 不到。(The program is based on the STM32 external trigger counter frequency measurement program code, can be measured in the range of 0-100MHZ error of less than 1 .)

polar si9000破解版，可用到2038年，仅供个人研究参考，不能用于商业。 (Si9000 polar crack version, available to 2038, only for personal research reference, can not be used for commercial.)

token权限认证源码，适用于开发性接口功能或前后端分离(Token privilege authentication source code, suitable for developing interface functions or front-end and back-end separation)

禁用网卡以及恢复的程序：可以模拟硬件管理器中的停用和启用功能（仅对网卡）(banned card and recovery procedures : can simulate hardware management for the suspension and the opening function (LAN only))

GD32F库函数，各种外设，gpio等等(gd32 library v2.0.0 gpio ..)