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ante

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Posts posted by ante

  8. Another INVERTER we can talk about..

    in Electronic Projects Design/Ideas

    Posted

    We have a law which regulates warranties for consumer products. I believe one year is the shortest time allowed for any product. In many other countries’s its 90 days limited warranty which is the most common time and that doesn’t even always include replacing the product just send it for repair.
    Your hose supplier will eventually go bankrupt, that's a stupid way to operate a business. They should have put restrictions against UV exposure in the warranty terms. Anybody knows what UV does to rubber and PVC, and most anything for that matter. I once had car tires with 50000 km warranty and I did not run them for more than half of that distance I paid less than half the price for the next set of tires. This was more than 30 years ago and when I bought a new car after a couple of years they did not have the size to fit so I lost the deal. Since then I have stopped leaving rubber in every intersection and curve so the tires last much longer anyway! ;D

  13. Remote Data Logger (GPRS Perhaps?)

    in Electronic Projects Design/Ideas

    Posted

    Hi finnpark,

    Welcome to our forum,

    A few questions; how far are the “sheds” located from your house? How many sensors per shed and how many sheds? Is it necessary to have continuous feed from the sensors or is it OK to have them switch on for a few seconds (to save energy) every hour for an update? Are the sheds in sight from your house, I am thinking.. maybe laser?
     
    Have I forgot something.. oh yes some answers :-\, well I guess it takes some brainstorming first ! ;D

  16. Headlight Flasher

    in Projects Q/A

    Posted

    It’s better to use a semiconductor switch for this; the halogen lamps (and the relay) will suffer badly if turned on and of repeatedly. If repeated very often it might be les harmful since the filament is still very hot for the next pulse.

    Just my two cents! ;)

  17. confused about voltage regulator spec

    in Electronics chit chat

    Posted


    I've blown them up. :o
    magic smoke escaped, parts flew, blown up.
    That protection stuff works for well designed circuits.
    when you just plain abuse them, they go poof.

    -Mike



    There is at least one way to do this; reverse the polarity on the output! Example; put a charged capacitor the wrong way across the output!
    Use safety goggles for this one! 8)

  23. Care for Lead acid batteries

    in Electronics chit chat

    Posted

    I agree; normal charge is preferable to increase the life of the battery!
    Once in a while it might be a good idea to run a charge cycle on high at the same time as running a test of the UPS say every 6 month or so. This will also let you know when the capacity of the battery starts to deteriorate.

    BTW. Congratulations Full Member Sukhbinder (100 posts)!  ;D

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