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用STM32F407的ADC+DMA+DAC的应用(Use STM32F407 ADC+ DMA+ application of DAC)

1、主控芯片：STC89C52 2、时钟芯片：DS1302 3、能够显示时、分、秒、年、月、日、星期 4、具有对时、分、秒、年、月、日、星期进行手动调节效对功能 5、具有单片机断电记忆功能，在单片机掉电后无需重新设置时间和日期 6、时间显示采用LCD1602 液晶显示屏 (1, the main chip: STC89C52 2, the clock chip: DS1302 3, can display hours, minutes, seconds, year, month, day, week 4, having, minutes, seconds, year, month, day, week effect for manual adjustment function 5, having a single-chip power and memory function, without re-set the time and date after the device is powered down 6, the time display using LCD1602 LCD)

基于51单片机控制的实时时钟显示，芯片选择ds1302,掉电时钟可以继续走。(Based on 51 single chip microcomputer control, according to the real time clock chip ds1302, off the electric clock can continue to go.)

51单片机播放音乐《兰花草》程序，包括proteus仿真(51 microcontroller play music " orchids" program, including proteus simulation)

永磁同步电机的各种控制的编程，有高频注入法的(pmsm bldc matlab)

说明：  对lcd1602屏的一些常见问题作出解释，并附上一段51单片机驱动lcd1602代码(Explain some common problems of LCD 1602 screen, and attach a section of LCD 1602 code driven by 51 single chip computer.)

说明：  自己编写的一部分完整代码，是学习arm9的好工具，这个程序是针对s3c2440的。能够实现按键检测，led显示和串口的打印。(I have written part of the complete code, is a good tool for learning arm9, this program is for s3c2440' s. To achieve key detection, led display and print the serial port.)

提供PSCAD的断路器模型、DC2DC模型，适合初学者。(Provide PSCAD circuit breaker the model, DC2DC model, suitable for beginners.)

STC15W408AS_BLDC无刷电机驱动程序(STC15W408AS_BLDC DRIVER)

说明：  网蜂科技开发板CC2530F256实现串口通讯(Realization of Watchdog Timing by Network Bee Technology Development Board CC2530F256)