I have a Voxelab Aguila that I am about to install Klipper on. I also have a SKR E3 Turbo board left over from another printer.
Would it be worth installing the SKR board? Or will it not make any difference since the Pi is doing all the processing anyways?
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From what I can find on search engines, the Aquila probably has a 32 bit board, so from a “processing” perspective I think it would be equivalent to the E3 Turbo.
It seems a bit unclear what kind of stepper drivers the Aquila has, but some posts I found claim it has clone TMC2208. I believe the E3 Turbo has TMC2209 which should be more powerful, and supposedly is better for pressure advance. You can search for “tmc2208 vs tmc2209” if you want more opinions on if it’s worth upgrading just for that.
I also believe the E3 Turbo will give you UART access to the stepper drivers. IIRC this allows you to configure each stepper motor for either stealthchop (less noise) or spreadcycle (more power) mode, so you could for example set the extruder stepper to spreadcycle.
The E3 Turbo has 5 stepper drivers while the Voxelab board only has 4, right? If you upgrade/mod your printer to dual Z it’s nice to have each stepper on their own driver, or if you rebuild the printer to IDEX, but otherwise there’s not much use for it.
Thanks for the through reply. I had found some of those differences but didn’t know what they were for. Sounds like it would be worth it just for the better drivers and extra inputs.
