Lee-Kuo and I cycle around Taichung every weekend so we decided to make our very own super bright headlight. We found an instructable for the basic layout and Lee-Kuo miniaturized it for a small housing. He soldered all the parts himself including the switches, LED’s and battery terminals. It was a tight squeeze to fit all the parts into such a small case but we managed. As you can see it is switchable from dipped to full beam. click here for the instructable

A very bright bicycle headlight made by Lee-Kuo

LED matrix soldering from Lee-Kuo

The switches for on/off and dipped/full beam
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