8.25

STM32F103C8T6主控，SPI接口驱动RC522，使用USB转成虚拟串口直读A卡UID。(STM32F103C8T6 main control, SPI interface drive RC522, use USB to convert virtual serial port to A card UID.)

说明：  基于STM32F407 MCU，对RS485进行通讯测试,DMA收发数据，经测试数据稳定，功能正常(Based on STM32F407 MCU, RS485 was tested for communication,DMA data receiving and receiving, the tested data was stable and the function was normal)

说明：  msp430f5529学习资料,有需要的可以看一下(Msp430f5529 learning materials, if necessary, can take a lookmsp430f5529)

毕业设计时做DC600V逆变器测试系统，采用工控机为主控制器，PCL-818数据采集卡， VC++作编程工具，对25T、25k型客车使用的逆变器进行性能测试。(Graduation time to do DC600V inverter test system, IPC-based controller, PCL-818 data acquisition card, VC++ as a programming tool, 25T, 25k bus-type inverter used for performance testing.)

万高V9203的程序资料，DEMO程序，对使用万高芯片的工程师来说，会帮助比较大(V9203 program information, DEMO program, for engineers using V9203 chip, will help a lot)

数码管显示I LOVE Y，此程序为51单片机程序，如需使用请自我更改(The digital display I LOVE Y-this program for 51 single-chip program, For self-use, please change)

说明：  离散增量式PID，可把ABC当成比例，积分，微分常数，以及LG4200D+AX345三轴加速度，三轴陀螺仪读取原始数据。(Discrete incremental PID can treat ABC as proportional, integral and differential constants.)

有关压电传感器的相关介绍，介绍了一款特殊的压电传感器及其应用。(Related to the introduction of piezoelectric sensors, introduces a special piezoelectric sensors and their applications.)

RFID RC522 sample code.

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