Cheap Laserengraver using 28BYJ48
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Cheap Laserengraver using 28BYJ-48

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!Laser is very dangerous! NEVER use it without safety protection!! Even a cheap 250mW Laser can harm your eyes badly!!! If you dont have any safetygoggles use at least ...

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Cheap Laserengraver using 28BYJ-48 alternatives