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So 3 days ago I was at the beach, in Maine, and the air was very foggy, so I played with a 20mW, and here's some photos :
Now, for that spirograph, wich is more exactly a spininig mirror and a DIY "galvo". The galvo is a front lense assembly from a GGW, on wich I glued a small mirror. By connecting it like you see in the photo, it will shift its angle when a voltage is applied; like a galvo. Connect the two wires in parallel to an amp, and it will move according to the sound.
The laser bounces from the "galvo" to the spinning mirror and TADAM!, a cool laser effect.
Pics of the setup :
sorry for the dirty basement :yabbem:
Video : http://img190.imageshack.us/img190/7051/sn851752r.mp4
for Youtube :
Now if you take a dual channel amp and connect to "galvos" like in a scanner, you get this :
vid comming soon, still have to shoot it
Now, for that spirograph, wich is more exactly a spininig mirror and a DIY "galvo". The galvo is a front lense assembly from a GGW, on wich I glued a small mirror. By connecting it like you see in the photo, it will shift its angle when a voltage is applied; like a galvo. Connect the two wires in parallel to an amp, and it will move according to the sound.
The laser bounces from the "galvo" to the spinning mirror and TADAM!, a cool laser effect.
Pics of the setup :
sorry for the dirty basement :yabbem:
Video : http://img190.imageshack.us/img190/7051/sn851752r.mp4
for Youtube :
Now if you take a dual channel amp and connect to "galvos" like in a scanner, you get this :
vid comming soon, still have to shoot it
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