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怎么样才能检测负载电流呢，用单片机

2025-03-16 16:26:22

推荐回答（2个）

回答1：

要求较高可采用霍尔电流传感器，要求不高可以在负载回路里串联取样电阻，将电流转换为电压进行测量，比如串入1欧姆电阻电流值就直接转换为电压值了。

回答2：

一般是串联一个阻值很小的功率电阻，单片机测其两端的电压，再算出电流

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