There are already plenty of smart thermometers on the market. The YLY Non-Contact Forehead Thermometer is a plug & play device that lets you use your smartphone to detect fever. It has a OLED screen to show your results in Celsius and Fahrenheit.
More gadgets like this: here
This tiny thermometer doesn’t require to be charged. It is compact enough to fit in your pocket. You can find out more about it here.
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