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Related Experiment Videos

Improved digital thermometer design.

C S Swift

    Journal of Clinical Engineering
    |June 10, 1981
    PubMed
    Summary
    This summary is machine-generated.

    This study presents a simple, low-cost digital thermometer design. The device utilizes a readily available LCD module and a silicon transistor for accurate temperature sensing, making it ideal for various applications.

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    Area of Science:

    • Electronics
    • Instrumentation
    • Thermodynamics

    Background:

    • Accurate temperature measurement is crucial in many scientific and engineering fields.
    • Existing digital thermometer designs can be complex or expensive.

    Purpose of the Study:

    • To present a design for a simple, low-power digital thermometer.
    • To utilize inexpensive and readily available electronic components.

    Main Methods:

    • A self-contained 3 1/2 digit LCD meter module was employed.
    • An NPN silicon transistor was used as the temperature sensor.
    • The thermometer is powered by a single 9-V battery.

    Main Results:

    • The developed digital thermometer provides Celsius readings.

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  • The design exhibits very low power consumption.
  • The use of an inexpensive transistor sensor contributes to cost-effectiveness.

    • Conclusions:

    • A functional and economical digital thermometer design has been successfully demonstrated.
    • This design offers a practical solution for basic temperature measurement needs.
    • Further research could explore expanded features or alternative sensor components.