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Here’s my new bike light, I enlisted the help of LadyAda (We used the MintyBoost’s boost converter to get 3.3v)…

This is a quickie project showing how you can upgrade a vintage bike lamp for a ’60s or ’70s roadster into a powerful 1W LED light. Its much more efficient and a lot brighter!

Quickie Projects – Convert your vintage light to LED power – Link.