This Design Idea describes a single white-LED torch, which can be housed in an empty glue-stick tube and has a long rechargeable-battery life. The circuit is constructed with just a few commonly ...
Advnture on MSN
Claymore Heady+ headlamp review: mighty morphin’ power torch
Perhaps more than any other category (besides GPS watches), the technology used in head torches seems to have progressed at ...
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