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能否推荐一款12V供电，能方便接入单片机系统的比较器。比较器为迟滞比较器
这个条件很广泛, 能工作在 12V 以上的比较器都能满足, 至于迟滞比较器你可以通过引入反馈量来实现
亲；这是你的要求？LM393就可以，加点正反馈就是迟滞比较器了。
