S2_5 Immortal Mice

Anthony Erojo, Tom Berry, Ben Taylor


The constant changing of batteries in wireless computer mice is an endless problem that plagues both computer enthusiasts and the general public alike. We explore the idea of having a dynamo built into a wireless mouse and seeing if it is able to offset the battery usage of the mouse. We calculated that the dynamo would need an emf of 0.0018V to maintain the battery charge. We took 0.050T as the point where components would be damaged by the magnetic field, and from this we saw that the dynamo would only be viable to gamers and not the general public.

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