LinuxCNC HAL #3: laser crosshairs, gcode triggered relays
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- Опубликовано: 10 июл 2024
- Upshot: A handy add-on for your machine, and an example for much, much more.
Topic index:
00:00 - intro, demo, laser mount, physical wiring
05:11 - the magic 2 lines of HAL
07:17 - a look at the manpage for the motion component
09:15 - debugging with halmeter
11:44 - this is a silly example, here's a better one
13:22 - example for M66 (waiting on input pins)
Browse the files exactly as shown in this video: github.com/swolebro/swolebro-...
Check out the latest, including my other notes and links to other people's videos and configs:
github.com/swolebro/swolebro-...
Here's the full plasma build series:
• CNC Plasma Build (Full)
Just the LinuxCNC stuff:
• LinuxCNC Guides
Help me make more cool shit:
paypal.me/swolebroshopworks 
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New subscriber, will be following with interest, I'm liking what I'm seeing so far :-) I make add on bit's for freedom dispensers with a mill currently running Mach3 but I have a new machine due for delivery in the next few weeks that I'm going to be running with Linuxcnc and a Mesa 7i76e.
Hell yeah. I have also taken a recent interest in nondescript blocks of anodized aluminum which are legally convertible into fun. Just wait until I finish knocking out the rest of this series - I'm pretty sure my next project is going to be trying to do lost-wax casting to make a couple of those freedom bricks.
You've probably seen Farmcraft101 already. Just FYI, he's got some other videos out there that are too-cool-for-RUclips. Fantastic machining skills and very entertaining. Would recommend.
And tbh, I'd suggest picking up a DB25-1205 breakout and doing a test set-up with that. It's a very cheap and easy way to get going, familiarize yourself with the stuff, and get your fuckups out of the way without destroying any fancy hardware. You can always swap it out once you get the Mesa board, and then the DB25-1205 just goes in the parts bin until you want to start prototyping your next machine.
Again, thank you, some of the bits I’ve cobbled together and managed to get to work I actually sorta have an idea what’s going on now 😂🤦♂️
That's what I like to hear. The rest of this should be out in the next three weeks or so - just got a bunch of video to review, fix up, and edit. An absolute pain in the ass, but I'm glad to hear it's helping! That's what makes it worth the effort.
instaBlaster...
Great Video again!
I didn't get which card for linuxcnc you are using!? ?
Thx!
Just a DB25-1205, the bog standard parallel port breakout board. All it does is take the pins from your parallel port cable and split them out into screw terminals - very simple, but it works. Mine was from Wantai Motors on eBay, but there's tons of options out there. Here's an older video of mine on all of that: ruclips.net/video/vR2xxRQQtyQ/видео.html
Hi, does your plasma cutter generate a lot of dust? If so is extraction etc required?
The water table helped a lot with the dust, though I also had a ventilator fan running in one window (creating a cross-breeze) and I wore a respirator whenever I was doing dirty work. For the small shop I had (12x22'), this was sufficient.