Tech news tagged ‘diameter’

An Engineer in Wonderland – Hmmm, LED headlamp flop?

In the name of science and safety, I locked myself away in the workshop over the long weekend to produced a +/-4° LED bicycle headlamp to compare with the +/-5.5° version I made a while ago.

+/-5.5° has seemed a little wide, lighting up road-side shrubs and…

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An Engineer in Wonderland – Led headlights – de-dazzling the beam

Inspired by comments made on one of the Electronics Weekly blogs, I thought I would have a go at estimating which led-collimators combination would not dazzle on-comers if used in a vehicle headlight. A dazzle-free beam must be possible, because the IQ Fly pictured here can do…

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