modified 9 years ago

FlatBox

00:22:38

On the left the flat box for my 102/500 refractor telescope, with chargeable batteries (you can use also a Potentiometer of 100Omh).
On the right a test with a single LED.
I got 4 LEDs of 1W (278mA - 3.6V) and batteries with Tamyia adaptor.

published 9 years ago

solartech

9 years ago

It is the magnification of your telescope?

rich11292000

9 years ago

No just brightness for leds

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