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INA193测电流

Other Parts Discussed in Thread: INA193

想用ina193做一个电流测量的电路,电流是传感器输出的4~20ma电流,我想转换成3.3v一下单片机可测范围电压,下面是电路图,请大家帮忙看看设计是否合理,有什么需要改进的地方。