Electric-Springs

西门子PLC论文集,供广大PLC爱好者参考(Siemens PLC Papers, for the majority of enthusiasts reference PLC)

用控制台程序倒着输出九九乘法表；输出结果按下图所示： 1*9=9 2*9=18 3*9=27 4*9=36 5*9=45 6*9=54 7*9=63 8*9=72 9*9=81 …… 1*3=3 2*3=6 3*3=9 1*2=2 2*2=4 1*1=1 ( 1*9=9 2*9=18 3*9=27 4*9=36 5*9=45 6*9=54 7*9=63 8*9=72 9*9=81 …… 1*3=3 2*3=6 3*3=9 1*2=2 2*2=4 1*1=1 )

这是一款单相电子式无线防窃电电能表程序，可实现无线抄表功能。(This is a single-phase electronic energy meter wireless anti-theft program, enabling wireless meter reading function.)

本系统以stm32f103单片机为核心，充分利用单片机丰富的内部和外部资源及数字温度传感器DS18B20的优越性能，结合LCD显示屏、降温风扇，实现对温度的多点测量、显示与控制。(This system takes STM32F103 as the core, makes full use of the abundant internal and external resources of the single chip microcomputer and the superiority of digital temperature sensor DS18B20, combines the LCD display screen and cooling fan to realize the multi-point measurement, display and control of temperature.)

ad_da 数电——模电 转换,单片机应用子程序(ad_da transformation)

利用STM32F103的两个通用定时器产生SPWM波输出。(Two universal timers of STM32F103 are used to generate SPWM wave output.)

说明：  国外标准IEC6116-3工业自动化的编制(discripe the international standard)

说明：  STM32F103_硬件SPI控制LCD例程(STM32F103_Hardware SPI Control LCD Routine)

基于STC89C52RC的单片机的PWM电机调速(STC89C52RC microcontroller-based PWM motor control)

JT809通讯协议文档，介绍与交通部的平台间交换通信协议。(specifications for data exchange between customer platform and administrative platform)