Dave plays around with an energy harvesting kit to see how much power he can get out of a Peltier device used as a Seeback effect module to generate power from temperature differentials.
Bonus white board tutorial of how Peltier devices work as heat pumps.
Wuerth Elektronik Energy Harvesting Kit:
Linear Technology:
DC2080A Demo Manual:
LTC3108 Energy harvesting chip datasheet:
Measuring microcontroller sleep current using integration on an oscilloscope:
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