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指甲传感器输入端电压很小,估计很难测量。上位机单次分析,有数值,放手指头和不放手指头数值差别比较大,从这里可以基本判断,硬件应该是好的,整体测试,就是得血氧值,就是一次采500个点的分析过程一直这样告警