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1·L298 low emitter transistors connected together, and their corresponding external port can be used to connect an external sense resistor.

L 298低位晶体管的发射器连接到一起，而其对应的外部端口则可用来连接一个外部感应电阻。

2·The converter uses a resistor to sense current signal instead of Hall sensor in addition.

另外，采用电阻替代霍尔传感器检测电流信号。