an inexpensive laser galvo from ebay

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   teddy (tedyapo@fosstodon.org)'s status on Saturday, 16-Aug-2025 06:17:01 JST teddy

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   i caught the analog display bug and ordered a $50 analog laser galvo from ebay. a couple of op-amps to shift the voltage levels will be all i need to drive this from the chaos circuit

   i'm thinking of using a 405nm blue laser and a phosphorescent screen to get the fun persistence effects