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请问如何进行交流电压(2~6V)频率300Hz左右的测量,用什么芯片呢?
亲;你打算测些什么内容?电压有效值?频率?相角?谐波失真?还是其它参数?
你好,我想测量电压有效值,电压频率,电流的有效值。
亲;用MCU做吧。