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  1. 12vdc

    Low voltage indicator lamp of 110vac circuit

    This is a bit weird I have a 110vac switch to turn on and off a well water supply pump. it breaks the "hot" side before feeding the pressure power switch. is there a way to have an indicator lamp (led or incandescent) using the "earth/box ground"? I need to indicate the the pump potentially...
  2. 12vdc

    Dialup issues

    I visit often but due to my dial-up hell connection i cannot post replies. I have been told by almost every website that dial-up is for losers. I was able to post here years ago but something changed (not on my end) What ever happened to plain HTML boards? Oh they went the way of dial-up. (this...
  3. 12vdc

    auto resetting timer 110v a/c

    Looking for recommendations for an off the shelf programmable auto resetting timer for an appliance. eg. set for 10 minutes, once the well pump starts it will run for a max of 10 minutes and then be turned off. If the pump turns itself off before the preset time the timer resets to allow another...
  4. 12vdc

    Software to control COM or Parallel port pin output

    Is there software that can allow me to "ground" (and unground ???) a pin on either a com port or parallel port on a PC using Win XP? (not USB)
  5. 12vdc

    Have to share pic

  6. 12vdc

    led lamp assembly help

    hey all I acquired a lamp assembly, 42" long, extruded aluminum case approx 2"x2" it contains 6 boards in series, 12 vdc, each board has 2 rows of 18 LEDs (white) each group consists of 6 leds in series with a 75 ohm resistor between led 3 (-) and led 4 (+) the leds do not glow, yet the...
  7. 12vdc

    Looking for receptacle lube

    I have a power cord for (for a flood lamp) that I insert and remove often, is there a lube for 120 Vac contacts for a receptacle / plug ? ( I wifi at the moment :D )
  8. 12vdc

    Help ID "Philips Remote alarm"

    I bought this in 1985, anyone know what it was for or part of? (it has a panel it mounts to that is for a rack mount tower) 8" W x 4" H x10" D rear trim pot "Rate PPM" Thanks
  9. 12vdc

    simple tone generator

    would like to generate 10hz to 80hz 500 mv output to test woofers (with an amp) Looking for a simple circuit.
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