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串口0通信-查询方式实验向串口发送子节数据，并等待数据发送完成，使用查询方式(Serial 0 communication- ways to experiment sub-section to the serial port to send data and wait for the data transmission is complete, use the query mode)

PWM motor control using pic 16F877 and simulation

说明：  使用STC51所带的红外接收模块实现红外功能，并且在1602上面有一个简单的交互。(The infrared function is implemented using the infrared receiver module of the STC51, and there is a simple interaction on the 1602.)

串口传输温度数据，ds1820，数码管显示带小数点(Serial transmission of temperature data, ds1820, digital display with decimal point)

智能仪表硬件系统测试程序 蜂鸣器自检：确定蜂鸣器正确 LED（LCD） 显示器自检：确定LED（LCD） 显示器每一段均正确 键盘自检： 确定键盘正确 ④其他(Intelligent Instrument Hardware System Test Program Buzzer self-test: confirm that buzzer is correct LED (LCD) Display Self-Check: Make sure that every segment of the LED (LCD) display is correct Keyboard Self-Check: Make sure the keyboard is correct)

微机原理及应用，在数据段1000H开始有100个不带符号数，编一程序段，找出其最大数并放在MAX单元中。(Microcomputer Theory and Application, begun in the data segment 1000H 100 unsigned number, compile a program segment, and to find out the maximum number of units on the MAX.)

STM32 MAX485 example code.

说明：  冷风扇控制板程序开发，三挡触摸调档。完整程序。(Cold fan control board program development, three touch shift)

通过C语言实现数组控制流水灯-2 (C language array control light water-2)

说明：  矩阵按键，数码管显示状态及选手，蜂鸣器提示音(Matrix keys, digital display status and player, buzzer prompt sound)