Eddy for SV08 without mainline hassle

Sovol SV08
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@Liberty4Ever and everyone else waiting foe eddy support

Why not put a Zero toolhead on your SV08?

This gadget adds CAN to the SV08 Mainboatd
https://www.aliexpress.us/item/3256807909892182.html?spm=a2g0o.productlist.main.3.553faL14aL14qF&algo_pvid=673db147-a079-45eb-a691-3469c2c03279&algo_exp_id=673db147-a079-45eb-a691-3469c2c03279-2&pdp_ext_f={"order"%3A"324"%2C"eval"%3A"1"}&pdp_npi=4%40dis!USD!22.02!9.25!!!22.02!9.25!%402101c59817510450148417052e1e98!12000043708490850!sea!US!3884106183!X&curPageLogUid=otUBtbc6U21V&utparam-url=scene%3Asearch|query_from%3A
Start with the config file for the Zero, replace the X,Y,Z stepper sections with those from the SV08. The only hard part is tweaking the quad gantry level macro to work with the eddy instead of the probe.

You’d have the first SV Zero8.

1 Like
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When I saw the “Why not put a Zero tool head on your SV08?”, I was prepared to explain to the noobie that the SV08 motherboard uses USB and the Zero tool head is CAN bus, then I saw you were the one asking the question. Tell me more!

A USB to CAN bus converter. Well, ain’t that clever? Cheap too! That actually looks like a much better solution than my desperate plan to buy an SV08 Max motherboard and tool head to upgrade my SV08 if Sovol drops the ball on the Eddy upgrade, although Eddy on the SV08 now sounds imminent.

I print a lot of TPU and the slightly shorter melt zone on the SV08 seems to print TPU-LW better than the Zero hot end, so I’m inclined to keep the SV08 extruder with the Microswiss hot end, but I’ll be very interested to see how the Bondtech INDX inductive heating will work with TPU. I don’t print fast so I might be inclined to put INDX tool heads on my Zero and SV08.

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I have step models of pieces to drop the heatsink on the Zero 9mm to allow use of ANY SV08 hotend. You’ll have to layout and install a threaded insert into the extruder plate 9mm below the existing one. The hard part is the Zero expects a PT1000 not a 10k thermistor. Sovol made the cavity in the ZERO heat block larger to make room for a bigger sensor, I don’t think it would be possible to put the Sovol PT1000 into the MicroSwiss hotend. Triangle Labs has a PT1000 for their SV08 hotend but I can’t find any information on how big it is. Wire length could also be an issue with the heat block being 9 mm further from the board.

The Zero will work if you change the config file to a 10k thermistor. The pullup resistor, however, is optimized for the 1000 ohm RTD so you are going to give up some accuracy if you go that route.

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Will either version work? i.e. MKS CANable Pro & MKS CANable

Thanks

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As far as I know, yes. Little to no documentation for Linux systems. The CAN interface needs to “attach” at the OS level so when Klipper sends a CAN message the OS knows what to do with it.

I THINK it will “just work” with a recent Kernal. I Don’t have a SV08 to try it on.

The documentation on MKS’s github does talk about a couple packages to install but I think those are to enable advanced functions.

There are about 100 other USB to CAN devices out there. I picked the MKS one because they built the SV08 mainboard. I assumed maximum compatibility. MKS however has the WORST documentation and customer support.

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Or not. Check out this link

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But this one could be plug and play after all…

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Thank you that’s very helpful.
Cheers

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I used biqu U2C w stock sovol SV08 mainboard.

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Was plug and play? I see they want you to SSH in and edit a config file. Did you have to do that?

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It just works ifbyou hook it up right, google canonical canbus guide, I used a different toolhead, so I can’t vouch for your setup, I used dragonburner biqu sb toolhead w can 2209 for my application and the U2C allows it to work.