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ArcticMyst Security by Avery

$65 DAC (maybe)






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So wait wait, let me get this straight (still learning about laser scanner stuff) the DAC is something you can connect to the galvos setup to allow you to connect to a computer, correct? :-/
 
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Jun 17, 2008
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Yes, all DACs work the same way generaly.. a sound card is a DAC.. it takes a digital signal and outputs it as an analog signal (as voltage)

so for instance a normal galvo needs plus minus 5v (-5 to +5 volts) the DAC outputs the voltage in that range based on the digital input.

Since a sound card worke exactly the same way, you can use it instead of an expensive dac.. it just requires a circut board that handles the amplification and things like analog power modulation and TTL blanking.
 
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Do DACs normally come with software and stuff, so you can create your own laser shows easily? How much do they normally cost?
 
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Murdudai

salvation is near. patience will yield reward.. i can say no more
 




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