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Results tagged with comparator
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user 29785
A comparator compares two voltages or currents and switches an output to indicate which is larger.
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Comparator circuit to detect working alternator
I've been researching comparator circuits, but it seems as I want to avoid any draw on the battery when the engine isn't running. … I heard a quip that I could use an opamp and a zener to somehow boost a 3v button cell to a suitable reference voltage to drive the comparator, that I might compare against 13v, for example. …
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