"I use an old laptop-charger (19.4V, 4,5 amps, not all used ;)) to power tthe LED's. Here is a test-setup of the breadboard powering all the leads. I have every constellation seperately wired. Eventually I want to make a 'switchbox' so you can illuminate the constellation of your choice!"
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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.