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Other Parts Discussed in Thread: CC2538
CC2538 外接传感器发现问题，传感器的输出是电压信号，接到ADC 的时候电压会从0.4V 浮动到0.9V，请问这是什么原因造成的，需不需要加输入的匹配电阻或加输入级
可能是输入阻抗太高造成的
