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    Driving the vibe

    Can somebody help me with a project? For hearing impairment: I need to change a "beep" into a "vibration", and a analog meter needle into a rapidly flashing LED. This would allow my wife to enjoy the hobby of metal detecting, despite her hearing loss. I know very little about electronics, so...
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    current limiting diode

    Please dont laugh too much, the following is a note I sent off regarding a cld (diode) I attempted to use...I need help. In pipe fitting, almost everything is in line and parallel connections rarely effect the function of the main. I think this is where I am missing it. My beloved current...
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    on line components

    Can anyone recommend an on line source for electronic components that doest have large minimum order requirements, and ships next day or kinda fast? I don't want to buy 500 resistors when all I need is a few. Thank you, plumber
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    CLD's

    It seems descriptions vary on components enough to cause worry when ordering on line, then I walk into a radio shack, and get really confused. I need to properly describe and order a "Current limiting Diode" that will keep mA's around 6 mA. On a 30 volt dc power supply. And yes it is just a wall...
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    manual current control

    Is there a novel/simple way to manually adjust amperage without affecting voltage? At this point, I am trying to determine an effect, with out selling the farm or frying my fragile plumber brain. I really don't want to buy a regulated, variable power supply for my simple experiment. Building my...
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