Something like these.
The physical sizes of SD cards I’ve seen have been SD, MiniSD (not really used anymore), and MicroSD. You want a SD. There are other memory cards, like CF or memory stick, but anything SD should fit. Even micro or mini SD cards come with adaptors that fit, so if your a8 takes a…[Read more]
I wouldn’t be certain the 0-100V power supply will be at 40V max if you turn down the speed. You said it’s not PWM, but I don’t know. If it’s switching between 0 and 100V, being on 40% of the time, your multimeter would show 40V DC, but you’d still be pushing 100V when it’s on. If there’s an RC circuit to smooth it out, then you would see…[Read more]
I would do that with hole/pocket, with each pass going deeper.
If you need around with starting depth, the final depth is the starting depth plus the depth.
So if you make the widest section to a depth of 3mm, the next largest will be starting depth of 3mm, and a depth of 3mm, will be 6mm from the original start depth. The next section will be…[Read more]
So, in addition to getting dual endstops, this firmware is 2.0. So your getting a lot of new changes at once. One of them is the new folder structure.
I see on the Arduinos website that 1.8.5 is available. I’m guessing that is the problem. Marlin is jumping ahead of Arduino sometimes, so I think with this version, you really need the bleeding…[Read more]
Ah, that’s the thing where you’re basically setting the maximum difference between arcs and line segments, right?
What do you mean? The steppers are skipping, or part of the process or gcode is missing? If the steppers are skipping, if try doing the moves in mid air, and see if you can see why they aren’t doing the right thing.
That gcode…[Read more]
I was thinking something more like this: https://www.amazon.com/Winco-TN719-Hamburger-Turner-6-Inch/dp/B001VZAKGM/ref=sr_1_4?ie=UTF8&qid=1510266937&sr=8-4
I guess if it’s smaller, then there’s less chance that a chunk of dust will raise it up, but if it’s smaller, there’s a chance you could push it down into the material some. So maybe the size…[Read more]
You can try M115, which should return some information. It won’t tell you specifics, but it will give you an idea of the broad version.
I think if you send an M92, it will report the steps/mm per axis, which will help.
Before going to gcode, I would make sure that when you ask to move 1mm, it moves 1mm. Moving 1mm is hard to measure, but if…[Read more]
That looks great. There isn’t enough info here about painting techniques. I really appreciate the details.
The acrylic sealer you’re using at the beginning, is that like water based polyeurthane, like polycrylic? I think polycrylic is supposed to be water proof after it dries, so that should be good for this kind of thing.
The dual core thing really has me excited. It’s got FreeRTOS “running” on it, so you can literally create a function that does something, and spawn it, with a priority, and if it has time to run it, it will. I’ve worked on real time OS’s before, so I’m hoping to take things like connecting to wifi, running the screen, and some network services…[Read more]
Ali express has this 11/11 “sale”. I am going to buy a couple of these because they are awesome and I can’t find the black ones on amazon:
Anything else I should throw a few dollars at, and get sometime early…[Read more]
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