21__ISSN_1392-1215_Control-of-Asymmetrical-Multil

可用于单片机的温控PID算法，精准到0.1℃(Temperature control PID algorithm for single chip microcomputer)

基于MSP430F5438A的单相SPWM,产生，脉宽可调，波形完美，频率可调(MSP430F5438A-based single-phase SPWM, generation, pulse width adjustable waveform perfect, adjustable frequency)

说明：  基于使stm32F103芯片，可以显示不同频率的正弦波形(Sinusoidal waveforms with different frequencies can be displayed)

PIC模拟两路PWM输出,采用中断加按键10MS扫描可调占空比功能,解决模拟PWM调占空比冲突(PIC simulation of two PWM outputs, with adjustable scan interrupt duty cycle plus function keys 10MS resolve conflicts analog PWM duty cycle modulation)

Realtek最新的5口傻瓜交换机芯片RTL8305NB做的3口百兆交换机原理图、PCB图，以此为参考可以做5口交换机(Schematic and PCB Documents of 3 Ports switch.The main chip is RTL8305NB,which is the new 5 ports switch chip of realtek Co.Ltd.)

说明：  8051 Bluetooth Interfacing

Data Communication Lecture Note

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.)

IIC总线协议芯片CH452驱动代码，配合数码管和按键，适合快速移植。(IIC bus agreement CH452 chip driver code, with digital tube and buttons, suitable for rapid transplantation. )

说明：  1602在STM32103上的实现，经过Protues和实体板子上运行，有用(Implementation of 1602 on STM 32103)