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I do have a good amount of experience with my Arduino, do you have any DAC chips that you would recommend using?

And on that same note, I have noticed there are some cheap galvos that sell from china on ebay, that are 20K PPS. Have people had bad experience with these, or would they be worthwhile to get?

I am currently a student who wants to make a fun side project, and I have decided to try and make a laser projector. Originally I was going to use Servos to control the beam, but after research found that galvos were a better alternative, although they use an analog signal. I have no...