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使用openmv与stm32开发板串口通信,当openmv接电脑打开openmv ide运行时,stm32串口数据读取正常,断开openmv与电脑的连接后,通过针脚供3.3v或5v电压时,串口数据读取异常,想问一下是不是openmv缺少内部的时钟源,如果是,怎样与stm32开发板同步,如果不是,请问又该怎样解决呢?
我遇到了相同的问题,求解
我之前遇到这种情况,最后是因为GND没连在一起。