"Yay, the ordered LEDS arrived! I bought a few big ones (10mm), about 125 normal white ones (5mm) and a few smaller ones (3mm). I also ordered some different coloured ones (red and yellow). In the total project I used a little under 150 LEDS"
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gigantes 9 year s ago
cool, but looks way too bright. time to add a potentiometer. also, would have been a lot more practical to build a simple pinprick projector... that way you could easily make adjustments and even take it to a friend's house, etc.
examples:
http://www.instructables.com/howto/planetarium/
commercial home planetariums go from around $30 up and have features like changeable skies and rotating in sync with the earth's orbit.
examples:
http://www.instructables.com/howto/planetarium/
commercial home planetariums go from around $30 up and have features like changeable skies and rotating in sync with the earth's orbit.
examples:
http://www.instructables.com/howto/planetarium/
commercial home planetariums go from around $30 up and have features like changeable skies and rotating in sync with the earth's orbit.