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相应通道无电压但ADC的值却在大幅变化且不等于0的可能原因
2022-07-27 21:53:00 【OMGMac】
今天分享一个自己的粗心引起的现象,就是之前在做ADC时候,采用单通道(规则组)和软件触发,发现ADC采集的值一直在变化,而且我都没有输入相应的电压,按理来说,ADC输出的值应该为0(+10–存在偏差)。但是其值却不等于0并且一直不断的变化,于是排查下来发现ADC的通道在初始化时候输错了。。。。,所以造成ADC采集的引脚错了,因此其电压值一直在变化。。。。。
分享这个例子是觉得如果有其他小伙伴遇到这种问题,可以借鉴一下其现象。是否存在与我这个相同的地方,可以参考我的例子进行相应的查找。
本人水平有限,上述信息仅供参考,如有错误和不妥之处,请多多指教。
另外创作不易,请勿抄袭,如果有帮助到大家的话希望大家可以点个赞,谢谢~
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