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There is huge chemical waste being generated by billions of batteries used in remote controllers for electronic devices like TV sets, set-top boxes, air-conditioners, and even some ceiling fans now-a-days. The waste produced by their spent batteries keeps increasing annually.
This DIY project harvests energy from the environment to power the remote controller and does not require any battery. Since low power is needed for a remote’s circuit, the battery can be eliminated altogether and thus save tons of chemical waste each year. The author’s prototype is shown in Fig. 1.
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