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thermometer

Discussion in 'Microcontrollers, Programming and IoT' started by burassu, Mar 7, 2012.

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  1. burassu

    burassu

    36
    0
    Jul 1, 2011
    hi i did a gitital thermometer with an 8051 micro . The system is working perfect ,but when Iadded a 2.5m cable to the sensor the reading is varying a lot. eg from 12 to 30 degrees which the actual temperature is about 15degrees
     
  2. duke37

    duke37

    5,364
    769
    Jan 9, 2011
    You could try using a screened cable (co-ax) to keep out interference.
     
  3. burassu

    burassu

    36
    0
    Jul 1, 2011
    cable

    Il will try to use coaxial cable , currently I am using twisted pair but not screened.
     
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