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open builds acro laser wiring and enclosure

by hilleke Sep 20, 2018
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can you share the arduino nano code for the optical sensors? and maybe a wiring diagram too?

The sketch is very simple.
It reads the input pins 3 to 8.
Then if Input pin 3 or 4 are high, output 9 is low. the same for 5 and 6 for 10 and 7 and 8 for 11.

The outputs 9,10,11 are directly connected to the inputs of the grbl controller. (9,10,12 I think)

Nicely done. What laser module are you using?

It is a PLH3D-6W from optlasers