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Electronic Weigh Scale

Discussion in 'Electronic Design' started by joshua, Feb 17, 2006.

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  1. joshua

    joshua Guest

    Can any one tell me components need for electronic weigh scale
     
  2. Paul Burke

    Paul Burke Guest

    That's more like it.

    something (a pan) to hold the item being weighed.
    Something that gets changed when you put things in the pan. This could be:

    A beam bends
    A spring extends or compresses.
    A gas or liquid gets pressurised.... or many other ways.

    Something to measure the size of the change:

    A strain gauge (or more than one)
    Something that measures linear deflection
    Something that measures pressure.....


    Some electronics to process the measurement:

    Bridge amplifier
    LVDT (say) converter
    etc...

    Something to turn the processed value into a useful form:

    An ADC
    A processor tochenge the ADC units to real- world units.

    Some way of viewing the results:

    An LCD or LED display
    A serial link to a host computer
    etc. etc.

    There. That should be enough to go on.

    Oh, and you'll need some means of calibrating it. stabdardised weights
    from somewhere.

    Paul Burke
     
  3. Ben Bradley

    Ben Bradley Guest

    Two words: force feedback.
     
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