| 摘要 |
A food thermometer has a holder, a temperature tube extending out from the bottom of the holder, a display mounted on the top of the holder and a solar cells mounted next to the display. The temperature tube is hollow and has a thermoresistor received therein so that the temperature from the temperature tube is able to initiate the reaction of the thermoresistor. The resistance change from the thermoresistor is sent to the circuit and then is displayed from the display so as to allow the user is have the exact temperature change of the food.
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