Jean-Pierre freedom2000
FRANCE • + Follow
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FluidNC laser controller board
I have an old laser engraver. It was built in 1998 and worked quite well until this summer 2023. So I would say that it was a very reliable machine but it now suffers from its old age:
- laser tube is dead
- software is very very old fashioned and runs (tries to run) under windows 95 operating system
So it was time to trash this machine... But it looked so professionnal that decided to refurbish it with more modern electronics.
- As I am an hobbyist I couldn't afford to buy a new RF laser tube, so I decided to change it to a cheap 40W CO2 tube
- As I love ESP32 and micro controllers I decided as well to design my own controller boards based on GRBL FluidNC software.
This board is mainly an IO board allowing:
- to control 3 stepper motors
- to detect 3 independant home switches
- to apply PWM to the laser controller
- to detect interlock door switches
- to drive 4 220V relays for air assist, vacuum pump, water cooling and light
Project is fully described on hackaday : https://hackaday.io/project/193893-retrofitting-an-old-laser-engraver
And the very first test of this board controlling my laser engraver (poor pen plotter mount !)
And finally the laser performing its first cut !
Dec 01,2023
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FluidNC laser controller board
2 Layers PCB 50 x 50 mm FR-4, 1.6 mm, 1, HASL with lead, Black Solder Mask, White silkscreen
An IO board allowing to control a CO2 laser engraver with FluidNC
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Published: Dec 01,2023
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- Convert a DC motor into a stepper one This project is a way to convert a DC motor into a stepper motor.Of course "conversion" will not be ...
- OpenxSensor variometer and telemetry for RC planes Ever wanted a very cheap variometer on your RC glider ?battery voltage monitoring ?extra RC channels...
- Rezodo: Long Range weather station (lora) The Rezodo project started in february this year as a pilot project in the 100singes Third Place.To ...
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- Rezodo: Long Range irrigation and weather station The Rezodo project started in february this year as a pilot project in the 100singes Third Place.To ...
- Kokot: a low energy chicken coop door All details can be found here : https://hackaday.io/project/189482-kokot-a-low-energy-chicken-coop-d...
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