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Monat: Oktober 2015

GRBL 0.9j – Running your laser with spindle pin

The new big upgrade to my eShapeOko was a 250mW laser, ordered by Banggood for 10€. These can be driven with 5V and come with nearly everything you need, to get started. First of all, I upgraded the GRBL version on my Arduino Uno and ran into some problems, on how to drive the laser, to avoid, that this little beast is turned on all the time and leaves track, while speedfeeding to the next „cut location“.