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Sep 4, 2017 at 18:14 comment added Ghanima @Crowcoder it might very well be that it is significantly underpowered from the GPIO pin and thus much less bright than with another power supply. Maybe what you see there is "speckles" a phenomenon that comes with lasers.
Sep 3, 2017 at 20:31 vote accept Crowcoder
Sep 3, 2017 at 20:30 comment added Crowcoder I should have said it seems to operate better on the gpio, on battery it is kind of a scattered beam. I'll check out those links when I get back to my PC.
S Sep 3, 2017 at 19:01 history suggested MatsK CC BY-SA 3.0
improved formatting and added unsaid references.
Sep 3, 2017 at 18:59 review Suggested edits
S Sep 3, 2017 at 19:01
Sep 3, 2017 at 18:55 history answered Ghanima CC BY-SA 3.0