I have a need for a LED indicator to tell if the battery voltage on my RV falls below say 11 volts. Can someone lead me to such a circuit?
Just an LED and series resistor will indicate nominal voltage, but would likely continue to indicate below the 11 volt point (not what I'm looking for).
A possible embellishment would be to change colors or a different LED, from one state (above 11 VDC), to the other (below 11 VDC).
Your attention is appreciated.
Ray, W4BYG
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Ray, W4BYG