153
edits
User talk:Daveb: Difference between revisions
From London Hackspace Wiki
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→Bike Headlight
m (→Bike Headlight) |
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Have received the [http://www.ledsupply.com/docs/Luxeon-StarIII.pdf LEDs (white Lambertian] (but not the reflectors etc). | Have received the [http://www.ledsupply.com/docs/Luxeon-StarIII.pdf LEDs (white Lambertian] (but not the reflectors etc). | ||
Have a bottle dynamo, but | Have a bottle dynamo, but don't know much about it yet. | ||
Still thinking about what the maximum voltage for the LED strings will be .. | Still thinking about what the maximum voltage for the LED strings will be .. | ||
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Originally thinking of four LED strings | Originally thinking of four LED strings | ||
# - very low speed - just a 120 deg med power LED (with voltage doubler to get the reqd V) | |||
# - low speed - one 30deg | |||
# - med speed - one 30deg, one 15deg | |||
# - high speed - one 15deg, two 5deg | |||
Of course, the length of the strings depend on the V generated by my bike speed.. not really predictable | Of course, the length of the strings depend on the V generated by my bike speed.. so not really predictable | ||
Simplify (only last 3 strings) and no V doubler. | Simplify (only last 3 strings) and no V doubler. | ||
===thinking space=== | ===thinking space=== | ||
