qiangdaqi

说明：  Jlink mini 下载器电路图，有兴趣的可以参考下(Jlink mini downloader circuit diagram, those who are interested can refer to)

实现了STC15F204EA单片机的串口模拟。(The serial port simulation of STC15F204EA MCU is realized.)

时钟：闹钟、秒表、倒计时、年月日（闰年自动计算）、星期 1602液晶显示，4键(Clock: alarm clock, stopwatch, countdown, date (automatic leap year calculation), week 1602 LCD, 4 keys)

说明：  led这种裸机的程序，可以先试试手啊哦，还是可以的，欢迎交流学习(led frequently-used vi/vim commands to provide more powerful editing capability for notepad++)

基于51单片机的32和弦音乐盒程序，有曲目切换，音量调节，播放时间，步进电机驱动，流水灯等功能，是普通音乐的升级版本，且代码清晰，注释完整，结构合理。(Based on 51 single-chip 32 polyphonic music box procedures, switch tracks, adjust volume, play time, stepper motor drive, water lights and other functions, is an upgraded version of the ordinary music and clear code, comments, integrity, reasonable structure.)

msp430f449蓝色版-----发光二极管闪烁(----- Version msp430f449 blue flashing light-emitting diodes)

说明：  异步电动机矢量无速度传感器仿真模型,一起研究.(Induction motor speed sensorless vector simulation model to study together.)

窃听器的简单电路，呵呵，供研究使用，请勿用于其他非法用途。(wiretapped simple circuit Oh, for research use, please do not used for other illegal purposes.)

数码管闪烁显示0~9，便于初学者理解数码管显示原理，很经典~(Digital tube twinkle show 0 ~ 9, facilitate beginners understand digital pipe display principle, it was a classic ~ )

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)