51cyuyan100

说明：  单片机通信协议处理 上位机和下位机中的数据发送 (Microcontroller communication protocol processing)

采用单片机stm32f407，通过AD采集心电信号数据，把数据进行滤波，并且计算心率值，在液晶屏显示波形(SCM stm32f407, by AD ECG data acquisition, data filtering, and calculates the heart rate, the waveform is displayed on the LCD screen)

单片机msp430控制蜂鸣器的声音，通过编写代码用msp430x14x开发版来编写控制程序蜂鸣器报警实验 (Msp430 microcontroller control the buzzer sound, by writing code with msp430x14x Developer Edition to write a control program buzzer alarm test)

说明：  介绍一种适用于长基线水声定位系统的声线修正方法，实用于工程实践(Introduced in Long Baseline Acoustic Positioning System of the voice correction method and practical in engineering practice)

说明：  工程教育中级练习题1：按一下K1键，LED以10Hz频率闪烁，屏幕上画出红圈，跟着闪，放开后保持该频率闪烁；长按K1键超过3秒，LED以5Hz频率闪烁，屏幕上画出红圈，跟着闪，放开后保持该频率闪烁；按一下K2键，LED熄灭；按一下K2键，LED常亮。(Secondary Exercise Question 1 in Engineering Education: Press the K1 key, the LED flickers at 10Hz frequency, draw a red circle on the screen, follow the flash, and keep the frequency flickering after release; Press the K1 key for more than 3 seconds, the LED flickers at 5Hz frequency, draw a red circle on the screen, follow the flash, and keep the frequency flickering after release; Press the K2 key, the LED goes out; Press the K2 key, the LED always shines.)

说明：  描述了FLASH的读写操作 特别针对单片机的读写 FLASH类型为S29GLXXN写列(Described FLASH read and write operations, especially for the microcontroller to read and write FLASH type S29GLXXN write columns)

Interfacing LED Dot Matrix with 8051 Microcontroller

the code for vorticity-stream function method of FVM!(the code for vorticity-stream function method of FVM!)

IEEE14节点模型，PSCAD案例，同步发电机功率60MW，电压等级230kV(IEEE14 node model, PSCAD case, synchronous generator power 60MW, the voltage level of 230kV)

用单片机播放梁祝这首歌，利用89C51单片机(The Butterfly Lovers with MCU Play the song, using 89C51)