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hi Dan,Fairgrove said:I have a RV and just installed a monitor to show the level in the waste and fresh water tanks. The monitor has a 0-5vdc output with 0 volts empty and 5 volts full. I would like a way to sense the voltage and activate a buzzer or alarm at 4 volts.
Thanks, Dan
hi Dan,Fairgrove said:I need help with a schematic. I have done some very fundamental stuff but I don't think this is all that complicated.