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Laser driver on GitHub (Patreon)

Published:
2018-09-10 10:22:37
Imported:
2026-06
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Content

With the 20 projects going on at the same time, I thought I should at least take the time and wrap this up nicely and professionally: 

https://github.com/marcoreps/laser_driver

Files

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Comments

Andrew

Omg is that the low-poly fennec fox model printed in resin?! So jealous! Attempts to print that on my FFF printer always results in the legs breaking off when removing the supports :( Although I've printed a few of those in a light shade of woodfill (ColorFabb's Woodfill) and they look amazing once the legs are glued back on! That wood filament is the perfect colour for fennecs! (My housemate/ex-gf is a huge fox - and especially fennec fox - fan, so of course she loves it!)

marcoreps
>>15378287

Yes, the guy who sent me that fiber coupled laser module for the development of a cc driver has a fennec, so I am sending him a little sculpture with the latest version. Want one too? If so, PM me your address

David Miedema

As the OSMU is not in hand... is there a easy way to set variable current limit.? Looking for driving lower power laser diodes say 7.5W eleksmaker diode laser (and not always at full power).

Brian Thurston

Hi Marco, I'm sourcing parts to build a couple of these laser drivers and I'm having trouble finding the exact part for RN1 in the schematic. I've found parts in the same family, but I'm not sure what the exact resistance values should be. I'm hoping your design to drive some 40 watt diode bars in a YAG laser I'm building.

marcoreps
>>30656850

ACASN1002S1002P1AT seems to be an equivalent part number avaiable everywhere. That's just 2 resistors on the same substrate for thermal matching - because a tiny difference in those resistors would cause large reading errors. Good luck with your YAG 😁 post some pics on discord if you have time