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Get 5 V from One Exhausted Alkaline Cell

Juice it to the max

Get 5 V from One Exhausted Alkaline Cell
Every day we throw away tons of supposedly empty 1.5-volt alkaline (“dry”) cells. Triggered by the waste caused by my battery-powered equipment failing to work with partially discharged cells, I designed a circuit to step up the voltage of one exhausted cell to around 5 V for use in another application. Say, to make an LED light, keep a lightweight microcontroller buzzing, or power remote sensors that do not demand much energy... Until that battery, like The Parrot, is dead.
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