ao-52-30-7220

STM32F103RCT6芯片的最小系统板，原理图，PCB。(Minimum system board, schematic diagram, PCB of STM32F103RCT6 chip.)

说明：  51单片机实现对步进电机的控制，改变程序中的数值可改变转速和角度(51 single-chip stepper motor control, change the value of the program can change the speed and angle)

通过GPIO口，模拟I2C协议，和设备进行I2C通信(I2C communications via GPIO ports, analog I2C protocol, and equipment)

T9拼音输入法实验，9键输入法程序，算法优良(T9 Pinyin Input Method Experiments)

说明：  基于51单片机，芯片STC89c52,12864液晶屏基础显示实验源代码(Based on 51 MCU, chip STC89c52, 12864 LCD basic display experimental source code)

用简单的程序，实现万年历的功能，输入年份后会将本年12月的信息全部显示出来。(With simple programming, realize the function of the calendar, the year after year input will be December all of the information displayed )

数模转换芯片DA0832直通方式驱动一个发光二极管，由暗到亮循环( )

采用MSP430单片机控制VS1003芯片进行MP3播放， MSP430通过读取 SD 卡里面的MP3歌曲，将数据发往VS1003进行解码，然后通过音频输出进行播放。(VS1003 using MSP430 MCU control chip MP3 player, MSP430 by reading the SD card inside the MP3 songs, the data will be sent to the VS1003 is decoded and then played through the audio output.)

说明：  CC1120 芯片的收发驱动程序，STM32,STC8051，ATSAM21.测试通过，已运用到产品上。(CC1120 chip driver, STM32, STC8051, ATSAM21. passed the test, has been applied to the product.)

永磁同步直线电机模型，已搭建完成，对初学者有帮助(Permanent magnet synchronous linear motor model has been set up is complete, help for beginners)