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A blast from the past. An all time favorite among grade schoolers around the world.A Potato battery! (or other fruits and vegetables)But now with a twist, a boost converter steps up the voltage to power a microcontroller for instance.

A blast from the past. An all time favorite among grade schoolers around the world.
A Potato battery! (or other fruits and vegetables)
But now with a twist, a boost converter steps up the voltage to power a microcontroller for instance.