Tag Archives: electronics

Low cost bike light – Finished.

Here is the finished ‘low cost’ helmet light for my bike. Estimated output on high is 270lumen. The general overview. The LED, driver, optics and rotary switch assembly are mounted inside a 20mm diameter square aluminium tube. The LED is a single Cree XP-G mounted … Continue reading

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Battery Powered Work Light V2

I finally got around to revising the tipple XP-G worklight by converting it to be battery powered. Only a few changers were made to the original. Most notable is that a bracket has been added that extends downwards from the back of the light and … Continue reading

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Crown eTrike Batteries – Charging

It appears this may be the most complex part of this project. Thus far everything is very much plug and play. That is, each major component be it the motor, controller etc can be attached and plugged directly to each … Continue reading

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Low Cost Bike Light Construction

Found some time today to finally get started on a head lamp for my helmet. Its a fairly simple build this one with most of the parts being unmodified. Below you can see the 8xAA battery holder (4 on top, … Continue reading

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Drivers.

Well I came across some high current drivers today that should do the job of powering the XR-E LED’s. They are capable of running a string of 3 at 1A per led, but I am only going to run 2 … Continue reading

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