Playing with the two OpAmp approach I saw that it only took one OpAmp if no buffering was needed.
Then I realized that a single section of LM339 will do the same thing, without needing any diodes....
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...Jim Thompson
Playing with the two OpAmp approach I saw that it only took one OpAmp if no buffering was needed.
Then I realized that a single section of LM339 will do the same thing, without needing any diodes....
...Jim Thompson
A 12 V relay should be adequate.
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