Usb human heater

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Participants Amx109
Status Planning
Niche Electronics
Purpose Fun

After seeing the latest in hipsterly-wanky-named products, and suffering from cold hands all the time, i thought - why not build my own.

this is an attempt

from [1]

In other words, on average the skin absorbs about 80 mW/cm2 to reach 41oC. In addition, skin temperature increases by 0.8oC for each 10 mW/cm2 of absorbed power.