4)TFT-Touch-Shield-Library-1.0.0

51单片机数字钟程序，数码管显示时分秒，按键切换显示日期，包含闰年处理。(51 microcontroller digital clock program)

cpu核心为51单片机，利用总线I2c类型，和EEPROM存储器 控制跑马灯依次点亮(Cpu core to 51 MCU type, using the I2c bus EEPROM memory control, and lanterns were lighted )

蜂鸣器模仿报警声，基于51单片机的蜂鸣器模仿报警声(The buzzer to imitate the alarm sound, 51 SCM buzzer alarm based on imitation)

基于美国PARKER运动控制器开发的多轴运动控制界面，包括直线，圆弧插补等，界面友好，直观(PARKER motion controller based on U.S. developed multi-axis motion control interface, including linear and circular interpolation, etc., user-friendly, intuitive)

通过51单片机设计一个电子时钟，精确到秒，可以通过按键调节时间(By 51 microcontroller design an electronic clock, accurate to seconds, you can adjust the time by pressing a button)

说明：  AD7792的驱动程序，官方自带的0.0(AD7792 driver, official 0.0)

Profibus-DP从站原理图， VPC3芯片配合STM32F103RBT6的系统，AD6原理图格式。(Profibus-DP slave schematics, VPC3 chip with STM32F103RBT6 system, AD6 schematic format.)

SIMCOM FLASH LOADER SOFTWARE TO LOAD FIRMWARE IN SIM900

又一种抢答器的AT89S51程序， SW1 SW2 SW3 SW4 用数码管显示最先按下的按键 01 02 03 04 并点亮对应灯： D2 D3 D4 D5 显示2S后退出。 同时发出 “嘟”一声。(Yet another answering device AT89S51 procedures, SW1 SW2 SW3 SW4 with digital display by pressing the button the first 01 02 03 04 and light the corresponding lamp: D2 D3 D4 D5 Display 2S exit. Also issued a " beep" sound.)

4052驱动，根据单片机修改在都文件的宏定义，使用output函数直接传入宏定义的参数即可。例程中为项目中双4052的切换应用。附4052datasheet(4052-driven microcontroller modify files in all macro definitions, incoming macro parameters can be defined using the output function directly. Routine project double 4052 switch. Attached 4052datasheet)