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battery monitor

OwenOwen Posts: 100
edited 2006-10-10 05:48 in BASIC Stamp
I would like to motor the voltage of a 12V battery in a device I'm building with my basic stamp. does anyone know an ic I could use to monitor voltage that would use only one or two BSII pins? or any other way to go about this?

Thanks
Owen

Comments

  • Mike GreenMike Green Posts: 23,101
    edited 2006-10-10 03:25
    Any of the I2C bus analog to digital converters would work with only two BS2 pins. Only the BS2p series has built-in I2C statements, but any BS2 can do I2C with some subroutines. There is a Nuts and Volts article that gives complete examples.
  • Tracy AllenTracy Allen Posts: 6,664
    edited 2006-10-10 05:06
    You might be able to use 1 pin and RCTIME, as described here...

    www.emesys.com/BS2rct.htm#B_voltage

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    Tracy Allen
    www.emesystems.com
  • OwenOwen Posts: 100
    edited 2006-10-10 05:48
    any specific sujestions for a simple aaloge to digital converter that will work for a 12 volt battery?

    Owen
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