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MP

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  1. Haha
    MP got a reaction from HaddyS in 0-30 Vdc Stabilized Power Supply   
    Think of the commas as periods or the periods as commas. These are used differently in different continents. It means the same.

    MP

  2. Like
    MP got a reaction from tracythomas50 in Car battery to parallel port   
    When you use your resistive divider to drop the voltage down to 5 volts, you just need to select values of resistors to limit the current. This is basic ohm's law. V/R.
    Was this your question or did I misunderstand?

    I am not sure how you intend to monitor status by using one 5 volt pin. As an interface to the parallel port, you could use an LM3914. This would give you the resolution you need. There are also many other ways to proceed. You need to convert from analog to digital to read anything useful from the parallel port.

    MP

  3. Like
    MP got a reaction from bentorres in Car battery to parallel port   
    When you use your resistive divider to drop the voltage down to 5 volts, you just need to select values of resistors to limit the current. This is basic ohm's law. V/R.
    Was this your question or did I misunderstand?

    I am not sure how you intend to monitor status by using one 5 volt pin. As an interface to the parallel port, you could use an LM3914. This would give you the resolution you need. There are also many other ways to proceed. You need to convert from analog to digital to read anything useful from the parallel port.

    MP

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