PID

模拟IIC总线通信，一种总线通信的方法，单片机可以简单模拟(Analog IIC bus communication, a bus communication method)

瑞萨公司UPD78F1814UART程序，有基本的收发操作，可与上位机通信。(Renesas UPD78F1814UART procedures, basic send and receive operations, with the host computer communication.)

单片机去控制PCF8591T去实现DA功能。 这个代码也要在示波器上才能观测到，DA输出一个正弦波。(Microcontroller to control PCF8591T to achieve DA function. This code also can be observed on an oscilloscope, DA output a sine wave.)

三相电的电压电流读取 功率 上报给主机通过CAN(Reading of Three-phase Electric Voltage and Current)

LCM & GCD Function .....

该程序可用于STM32进行AD采样，可用于电子设计大赛子程序，或者机器人开发(This program can be used in STM32 for AD sampling, electronic design contest subroutine, or robot development.)

A small program for demonstrating the Postfix notation, you can input the postfix equation in the command window

说明：  一个特别好的modbus从机扫描程序，可以以RTU或ASCII方式通信以此来检验下位机。(A particularly good modbus slave scanner can communicate with RTU or ASCII way to test this lower position.)

说明：  基于SPMC75的NNAD_Flash K9F1208的驱动程式序,对一些需要存海量数据的单片机应用场合有用.(SPMC75 NNAD_Flash K9F1208 driven programming sequence. some need to deposit large volumes of data to the microcontroller applications useful.)

无差拍PFC仿真代码，在PSIM下的电路仿真(Deadbeat PFC simulation code, circuit simulation in PSIM)