How do smart patch thermometers work?

How do smart patch thermometers work?

What are the components of a patch thermometer such as this? http://ift.tt/2qyyMpc

I am trying to create an item of smart clothing that will include temperature measurement and heart rate among other things. This information will be transmitted to a smartphone much like the patch.

So what are the main components of one of these patches? Trying to figure out how they work to help me implement it in my project.

Any help greatly appreciated.

Submitted May 18, 2017 at 04:20PM by lastminutecram
via reddit http://ift.tt/2rwF2eg

How do smart patch thermometers work?

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