Position-Sensorless-Control-for-PM

FM2404铁电存储器 的历程，与AT2404有点区别，按资料上的说读写速度会比AT2404(FM2404 FRAM process, and the AT2404 a little difference, according to data read and write speed on that than the AT2404)

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)

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.)

锂电池模型 主要对电池的外围电路，充放电特性做了sinmulink环境下的模拟，是锂电池初学者一个很好的入门学习(Lithium battery model is mainly peripheral circuit battery charge and discharge characteristics do simulation sinmulink environment, is a good place to start for beginners lithium learning)

用C51编写的电子万年历时钟，并亲测好用(C51 prepared electronic calendar, and pro-test useful)

STM32F103单片机逆变器源码,大家知道， 市电或其他的交流电可以通过二极管或可控硅的单向导电性整流成直流电供 给需要使用直流电的场合。这种把交流电变换成直流电的过程我们叫做整流，也叫做顺变。 那么逆变呢？我们自然地就会想到，应该就是把直流电变换成交流电的过程。逆变电源就是 相对于整流器而言通过半导体功率开关器件的开通和关断把直流电变换成交流电的这么一 个装置。 逆变电源也叫做逆变器.(STM32F103 microcontroller inverter source, we all know, city power or other AC can be diode or SCR one-way conductivity rectifier into DC power supply For occasions requiring direct current. This process of converting alternating current into direct current is called rectification, which is also called commutation. What about inverting? We naturally think of the process of converting direct current into alternating current. Inverter power is As opposed to a rectifier, the direct current is converted into alternating current through the turn-on and turn off of the semiconductor power switching device Unit. An inverter is also called an inverter)

动压气体轴承的动态刚度和动态阻尼系数 (Dynamic pressure gas bearing dynamic stiffness and dynamic damping)

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基于12864的重力感应程序,可以测出多少牛，多为有效数字(Based on the 12864 gravity induction program)

例程演示-stm32f103c8 oled test(stm32f103c8 oled soft test)