things
New Member
Hey guys,
I am currently building a laser projector using 20K galvonometers. The problem I have, is I need to have a ILDA interface. Using a slightly modified sound card is a very cheap and easy way to do so, so i'm going to attempt it. Basically, the galvo's require a 5V +/- signal into their amps. Using just +5v will work too, but the pattern would be smaller, as the potential is less. Does anyone know how I can amplify the output of a standard USB sound card to 5V? It needs to be as noise free as possible, otherwise I could get interference in the output, and at a speed of 20K, it shows up badly.
Any help appreciated![Wink ;) ;)](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
I am currently building a laser projector using 20K galvonometers. The problem I have, is I need to have a ILDA interface. Using a slightly modified sound card is a very cheap and easy way to do so, so i'm going to attempt it. Basically, the galvo's require a 5V +/- signal into their amps. Using just +5v will work too, but the pattern would be smaller, as the potential is less. Does anyone know how I can amplify the output of a standard USB sound card to 5V? It needs to be as noise free as possible, otherwise I could get interference in the output, and at a speed of 20K, it shows up badly.
Any help appreciated
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