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I took a chance to test my connections with sample sketch provided in Arduino Examples library. Both the motors operated perfectly which confirmed that there is some issue with "firmware laser.hex"...

Hi

I am building a small CNC plotter using 2 DVD stepper motors for X and Y axis.

For driving the unit, I am using:

Main processor: Arduino Nano
H-Bridge driver: L293D
Software: BENBOX

Hi

I am a newbie here.

I need to mark logos on metals like iron, cast iron and aluminum alloy.
I am considering to buy 10W or 15W laser module as shown here
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