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  1. 12vdc

    Use 2v Signal to Control 12v LED strip

    http://www.jameco.com/1/3/relay-3-volt
  2. 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
  3. 12vdc

    simple tone generator

    Hmmm....the Wien Bridge is interesting (thanks for link) I was hoping for something less complicated (intimidating). Looks like a cheap mp3 player and some tone files is the easiest.
  4. 12vdc

    simple tone generator

    well, I don't know where you are from but those of us living in 1980 only have a soldering iron, solder (the real stuff with lead) and a bag of caps and resistors. My phone has a dial on it and ..... I want a small prject box with a power switch and a pot to vary the freq.
  5. 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.
  6. 12vdc

    power supply

    Hi . I would offer the suggestion using the rectification and regulation circuits from an automotive alternator. Some units are factory rated from 100 amp to 200 amps.(GM uses a sense wire feedback which could be fooled into increasing output voltage) From Canada :D
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