A comparators is a form of an Op AMP that can either be on or off. This may not sound useful, but you can do things with comparators that are very useful. To demonstrate this, let’s take a look at comparators, what they are, and how to use them. In this experiment we’ll get use a comparator to control two different LEDs, and when the comparator is off, one LED will glow and when the comparator is on the other LED will glow.
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