Digital Thermometer housing with a AAA Battery
Description
temperature housing / box for thermometer/hydrometer bought on aliexpress the batery-lid needs support.. the rest do not. i used some battery spring contact plate replacement 14,5x9mm also from aliexpress. you can also use some wire as contact plate for the battery. i made this for a Cessna 182TRG to get a more precise temperature outside when flying in different altitudes. the temperature is measured from an air intake on the wing of the airplane.
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