关于 ad 采样计算变化电阻的阻值 - V2EX
mathcoder23

关于 ad 采样计算变化电阻的阻值

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  •   mathcoder23 Sep 30, 2016 3143 views
    This topic created in 3512 days ago, the information mentioned may be changed or developed.

    一般的我们知道,通过 ad 采样可以计算出一个变化电阻的阻值 存不存在某种电路,仅通过一个 ad 采样,就能得到两个变化电阻对应的阻值

    4 replies    2016-09-30 14:10:49 +08:00
    Halry
        1
    Halry  
       Sep 30, 2016 via Android
    不可以
    除非两个电阻是有比例的变化
    zchzch1014
        2
    zchzch1014  
       Sep 30, 2016
    不可以吧,应该这两个电阻有联系才行
    zhujinliang
        3
    zhujinliang  
       Sep 30, 2016
    把一个电阻的变化放大 2^n 倍?
    zhujinliang
        4
    zhujinliang  
       Sep 30, 2016   1
    我觉得楼主是想要 CD405x 这种模拟多路复用开关
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