bike light

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    Energy Harvesting Bike Light

    Hey Has anyone been aware of any bike light out in the market powered using piezoelectric harvesting from vibrations? or has heard of any ongoing project on that? I am actually working in making one prototype myself and have encountered some issues regarding power output. The physics behind...
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    Rechargeable bike light suggestion

    I am thinking to buy a bike light, i happened to see a review video on Youtube , this guy recommended a lamp only costs $19! can't believe that, but according to his video, looks like the bike light is fine, it's from a Amazon shop http://amzn.to/2p8eikd , have you ever tired this kind of cheap...