XS128PIT

由于超声波指向性强，能量消耗缓慢，在介质中传播的距离较远，因而超声波经常用于距离的测量，如测距仪和物位测量仪等都可以通过超声波来实现。利用超声波检测往往比较迅速、方便、计算简单、易于做到实时控制，并且在测量精度方面能达到工业实用的要求，因此在移动机器人研制上也得到了广泛的应用。(Because of its strong directivity, slow energy consumption and long propagation distance in the medium, ultrasound is often used for distance measurement, such as range finder and level gauge, which can be achieved by ultrasound. Ultrasound detection is often fast, convenient, simple in calculation, easy to achieve real-time control, and can meet the requirements of industrial application in measurement accuracy, so it has been widely used in the development of mobile robots.)

基于51单片的可调时钟，可用键盘控制显示时分秒，利用定时器中断(Based on 51 single adjustable clock, the keyboard can control display minutes and seconds, use a timer interrupt)

RC522 SPI接口的51单片机程序例程(RC522 SPI)

c8051f020的24c02程序，经测试验证可以使用。(c8051f020 of 24c02 procedures, verified by testing can be used.)

说明：  电子秤proteus仿真，有压力传感器和AD转换模块(Electronic Liureus simulation with pressure sensor and AD conversion module)

说明：  TLV5638 驱动 stm32 建议结合datasheet一起调试(TLV5638 Driver STM32 Recommends Debugging Together with Datasheet)

ansys 传热模型APDL代码，包含第一类温度边界条件和第三类温度边界条件(ansys heat transfer model APDL code, including first class temperature boundary conditions and temperature boundary conditions)

HMC5883L STM32驱动代码，采用I2C总线进行通信的。(HMC5883L STM32 driver code, using the I2C bus communication.)

说明：  HG32024005型号液晶的C51程序，里面包含不同点阵大小的汉字的显示以及图片的显示，调试成功(HG32024005 C51 LCD models procedure, which contains different character dot matrix display and the size of the pictures show, the successful commissioning)

说明：  串口发射1khz信号或者并口发射1khz信号，(Transmitting 1 kHz signal)