kejian4

说明：  stenwin移植stm32f407,可以随心所欲绘制GUI界面。(Stenwin ports stm32f407, allowing you to draw GUI interfaces at will.)

无人艇模拟和模拟，基本模型，这里可以改进(Unmanned boat modeling and simulation, basic model, which can be improved here)

nrf preview dev kit Please read your package and describe it at least 40 bytes in English

描述材料热力的子程序 用于ABAUQS UMAT(Material thermal model)

MCU外加简单的电路即可完成对耳机充电功能。 多重保护 充/放电电池端的过压、过流保护，放电转换效率高(The MCU has a simple circuit to recharge the earphones. Multiple protection Overvoltage and overcurrent protection at charge / discharge battery end, high discharge conversion efficiency)

角度传感器资料，另附源码，角度传感器测的角度通过数码管显示(Angle sensor data, attached source, angle sensor measures the angle through the digital display)

SIM卡电话本读写方案，了解SIM文件系统和外部接口的实战方案，采用EMC915芯片实现。(SIM card phone book reader program, to understand SIM file system and the external interface of practical solutions, using EMC915 chip.)

模拟了现实中的示波器，可以滚动显示波形，动态显示，属性振幅都可以改变 实用性 比较好 (Simulated reality oscilloscope, you can scroll waveform display, dynamic display, amplitude attribute can be changed relatively good practicality)

新编MCS-51单片机应用 完本。 希望对大家有用(New MCS-51 microcontroller applications complete this. I hope useful)

说明：  读取三轴陀螺仪数据，用1602显示，能够显示三轴的角加速度与加速度(rtyuiopghjkl rtyutfyvv ugvugubu)