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TIF2801的modbus协议程序，带仿真函数(Modbus for TIF2801)

mdk开发的mini2440 LED裸机程序(mdk developed mini2440 LED bare metal program)

hantek3064仪表上位机监控的示例程序，仅供大家参考(hantek3064 Meter PC monitoring sample program, only for your reference)

单片机的protues仿真实验，包括单片机最小系统，AD1208，DA1674,AT24C02的仿真(SCM protues simulation experiments, including the smallest single-chip system, AD1208, DA1674, AT24C02 simulation)

说明：  AD 转换 1602显示 有头文件 有点复杂 pcf8591(AD Conversion 1602 Display)

AD7746小电容转数字量转换器的驱动程序，使用I2C通讯方式，测量pf级的电容量。(AD7746 small capacitor turn digital converter driver, using I2C communication, measure the level capacitance pf.)

说明：  硬件资源: 1,DS0(连接在PA8)，DS1(连接在PD2上) 2,串口1(波特率:115200,PA9/PA10连接在板载USB转串口芯片CH340上面) 3,ALIENTEK 2.8/3.5/4.3寸LCD模块(仅支持MCU屏) 4,按键KEY0(PC5)/KEY1(PA15)/KEY_UP(PA0,也称之为WK_UP) 实验现象: 通过按键KEY_UP可以控制定时器AutoReloadTimer_Handle的开启，这个是 周期定时器，一旦开启就会不断的运行，直到按下KEY1将其关闭。按下KEY0 可以打开定时器OneShotTimer_Handle，这是个单次定时器，只会运行一次， 运行周期到了以后就会停止运行，除非按下按键KEY0将其再次开启。(Hardware resources: 1, DS0 (connected to PA8), DS1 (connected to PD2) 2. Serial port 1 (baud rate: 115200, PA9/PA10 connected on board USB to serial chip CH340) 3, ALIENTEK 2.8/3.5/4.3 inch LCD module (only supporting MCU screen) 4. Keyboard KEY0 (PC5)/KEY1 (PA15)/KEY_UP (PA0, also known as WK_UP) Experimental phenomena: The timer AutoReloadTimer_Handle can be turned on by keying KEY_UP. This is The periodic timer will run continuously once it is turned on until KEY1 is pressed to turn it off. Press KEY0 You can turn on the timer OneShotTimer_Handle, which is a single timer and only runs once. The run cycle will stop after that unless KEY0 is pressed to turn it on again.)

说明：  该程序为大家提供按键扫描程序例程。给大家一个参考，来实现简单的按键扫描功能(This program provides you with the routine of key scan program. To give you a reference, to achieve a simple key scan function)

ATMEL AVR MEGA8 MCU IO 模拟 SPI 口，驱动控制程序(ATMEL AVR MEGA8 MCU IO simulation SPI port, the drive control procedures)

基于STM32F103R8的PID算法例程，PWM输出控制信号，ADC输入反馈信号，形成闭环控制，完整工程源码。(PID algorithm based STM32F103R8 routines, complete engineering source, PWM output control signal, ADC input feedback signal to form a closed-loop control.)