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Cortex-M 处理器 hardfault 定位方法和步骤（基于Keil mdk）一. 问题的产生Hard fault (硬错误,也有译为硬件错误的)是在STM32上编写程序中所产生的错误，造成Ha...

本着刨根问底精神，咱构思了若干关键词进行检索，但相关信息极少，甚至没有。这个电桥据说是5815A矢网的一部分，但是8515A的电桥似乎比这玩意儿小，频率范围也不太一样，很可能是同样的其它零件，单独换了...

1. 5V USB部分这个为了追求简单,我采用了LM2576-5V,这东西7-60V输入通吃(实际我不敢60V输入,最多24V),输出电流可达3A,效率还不错用上面那个图 100uH电感可以用小型工...

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