The Shop > CNC
Printer Enclosure.
shipto:
--- Quote from: vtsteam on March 04, 2022, 09:54:19 AM ---Shipto, I just want tyou to know I'm reading this thread when you post. I just don't have anything to contribute on this particular subject. But it is of interest, and you do have silent followers, who, in my case at least, will let you know once in awhile! :coffee: :beer:
--- End quote ---
Thank you I can tell from the pic views that at least a few are interested. This may get a bit interesting soon however if the klipper idea doesn't pan out because I am seeing that there are a few downsides to it. HINT:it involves a grbl shield without the uno.
shipto:
Although I haven't posted for a bit I have been busy both with the printer and rather a lot of dieheads. The wiring is a bit of a mess right now but I am working through the firmware getting things setup, still have a few problems to iron out the main one being that the stepper connected to the mainboard is running at a slower speed than the 2 connected to the expansion board. It has to be in the firmware somewhere but I am really struggling to find the problem.
It doesn't help that the pc I have in the shed is really slow especially when I do something stupid like edit a picture to upload :bang: so building the firmware each time is taking an age.
I have got the heat pad for the bed which I had not realised needs to be stuck to something so I will try and source a sheet of aluminium this weekend and hopefully I can test the bed levelling (assuming I sort out the stepper problem).
shipto:
Found the problem and it wasn't firmware. I connected the board to the pc and used repetier to get it to tell me about a "error all low" msg I was getting and it was from some of the steppers after a little swapping and changing I figured out it was the extra steppers I had ordered to fill the expansion board. The ones that came with the board already had the jumper connected to turn them to uart mode but the new ones didn't :doh:
However then a disaster happened I connected one and did a test and it wasn't showing the "all low" error any more so I proceeded to do the next one (they are a bloody fiddly little jumper to solder) and made the mistake of plugging it in without powering down the board and immediatly noticed the psu fan speed increase then slow down again.
Now when I power the board the processor starts to get hot really quickly and I think I have fried it :bang: :bang: :bang: :bang:
As I dont have time (or the skill probably) to see if I can fix it I have decided to get a octopus instead which has the option for 8 steppers on board so there will be no need for the expansion board.
What an expensive mistake.
vtsteam:
Who hasn't ever made a hookup mistake.......raise your hand.....
:zap:
shipto:
I'm not entirely sure why it would do it, at first I thought I had messed up the connection but I looked at it close and it seems fine. As I have 1 spare anyway I have stowed it away to look closer at a later date.
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