From what I research I have done the Raspberry is more than a little
problematic. The Beagle Bone seems to be the board of choice for
Machinekit. I looked into this and came to the conclusion it is too much
work for no real gain. You can get small Intel based boxes pretty cheap
these days. I/O tends to be limited but you can use a Mesa Ethernet
based I/O board. Many come with a mini PCIe slot and you can get mini
PCIe to PCIe or PCI adapters quite easily. For instance on my lathe I
use one of these adapters to run an old 5i20 PCI card.
One big advantage with sticking to x86 is that if the computer does die
you can throw any PC at it to get the machine back up and running in a
hurry.
On my mill and lathe I use Wyse Dx0D thin clients. They are cheap,
reliable and fanless. Latency isn't great but it is fine for servo use.
They often turn up on eBay for very little money. They aren't massively
fast but plenty fast enough for a full LinuxCNC installation.
Les
On 20/07/2017 12:54, Nicklas Karlsson wrote:
Real time work great on raspberry? Or graphics work well on raspberry? Or none
work well?
Nicklas Karlsson
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