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  1. Garypcv

    Ideas ?

    good morning all, I'd like to build some type of indicator that would activate an LED or bulb that tell me when I've lost main power, 120v 60hz. Preferably even for an instant, light to remain on even when power restored. Even a point in right direction to get me started is much appreciated...
  2. Garypcv

    12v relay with time delay and reverse polarity

    Or he blew up the drive motor by all them slams into reverse....lol
  3. Garypcv

    12v relay with time delay and reverse polarity

    I think I just solved your dirty water problem: 20 gal fish aquarium mounted on roof of vehicle. Water is filtered while it circulates thru the tank, leave lid off so you can aquire fresh water whenever it rains and for dinner, you just brought home the freshest fish possible! (y'all do eat...
  4. Garypcv

    12v relay with time delay and reverse polarity

    ROFLMAO !!! he wants to re-use the water he just washed windshield with ??? This will be done while the vehicle is stationary? Any speed over 20mph.....oooops 32 kph for you blokes on that side of the pond, will get blown off due to the wind.... Lol. This is a trick question isn't it ??
  5. Garypcv

    12v relay with time delay and reverse polarity

  6. Garypcv

    12v relay with time delay and reverse polarity

    I might be wrong ,which is maybe 90% of the time, but is he trying to describe an 'intermittent' windshield wiper circuit ?
  7. Garypcv

    Schematic Needed

    Not sure how you tracked that down, but thank you very much.... gary
  8. Garypcv

    OK Elec meter

    My apologizes for duplicate post in your 'Repair' forum: I'm looking for owners manual / schematic for a OK Electronics 10Hz-200 MHz Frequncy Meter/Counter. Model 510 Thank you.../gary
  9. Garypcv

    Schematic Needed

    Good evening ladies and gentlemen, trying to locate owners manual and/or schematic for a OK Electronics model #510 10Hz-200MHz Frequency Meter/Counter, thanks in advance... gary
  10. Garypcv

    Open door

    I have 2 freezers 1 fridge all uprights....placing a switch (micro, proximity.....etc) on each door in parallel (?) then to a relay to energize a strobe warning me of open door.....is that correct??
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