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1600W heat using weight sensor

Discussion in 'Sensors and Actuators' started by Phillipe, Jun 9, 2016.

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  1. Phillipe

    Phillipe

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    Jun 9, 2016
    Hi everybody, I want to build a small device that allows to turn on a heat using weight, kind of weight sensor can anybody help me with that?
     
  2. Harald Kapp

    Harald Kapp Moderator Moderator

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    Nov 17, 2011
    Welcome to EP.

    This sounds easy: use a mechanical switch attached to a lever or similar. The weight pushes the lever (or pulls on it), lever moves, switch closes. Use a counterweigth or spring to adjust sensitivity
     
    hevans1944 and Phillipe like this.
  3. Alec_t

    Alec_t

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    Jul 7, 2015
  4. Minder

    Minder

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    Apr 24, 2015
    How much do you want to go in the design process.
    You could use a load cell, they a couple of $ on ebay.
    If you want to control the degree of heat.
    See Microchip MCP3421 weight scale app includes software.
    For simple heat on/off use a load cell and set a comparitor to detect if for a certain level output of the L.C.
    Then use a SSR to turn the heater on.
    M.
     
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