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Great work.Thank you very much.I deal with such a H-bridge for controlling stepper motor,but I used bipolar transistors BD135,BD136 for a 1 A stepper motor(NEMA17).It worked well too.
As I found on alibaba.com it's a 10 W fiber diod module . I attached its photo to this post
Thank you very much ,your details are great helps for me during next weeks.I almost finished electronics and waiting for laser head.So maybe I ask you some questions in future.
Thank you for nice details,how about time-delaying for beam while burning or engraving?i mean how fast X-Y motors should be actuated and move laser head over work space?is it earned by experience and depending on all these factors?
great job,thank you for sharing.A question,what can be engrave with a 2W laser beam?honestly I'm making a CNC machine that I want to use for engraving too,I want to know a 10 Watt laser that I ordered for it(not received yet) how powerful it is.
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