BIGTREETECH KNOMI V2: Review and Customization

[@hobbyistnotes]

My KNOMI Macroses are In to the description!

[@mikestewart4752]

I like this. Whilst I don’t really feel a need for it mounted to my tool head, I do like the idea of having it as a remote!

[@triumph13]

Just a heads up for anyone getting a compile error after swapping out one of the existing gifs. The gif I was trying to upload was too large. After reducing the size by eliminating frames, compile was successful.

[@acozad1]

So I have the Knomi 2 and want to change of the color of the logos that pop up. What would be the best way? I saw that you have the knomi 1 but not the 2. Thanks for your help

[@hobbyistnotes]

@@acozad1 same process just pick knomi2 in ide device list.

[@MaheerKibria]

So I am not going to say that this is useless or pointless. I honestly don't feel like the weight is an issue either. I am just going to say I would rather have a large touchscreen somewhere else. But that's the beauty of an open-source project like the Voron. You can customize it however you want. And even if you aren't an expert there are plenty of options out there that companies like bigtreetech have made so you can integrate it relatively easily

[@hobbyistnotes]

Unfortunately those companies for some reason still can't make simple budget capacitive screen with good working touch.... current resistive tft screens are horrible...

[@MaheerKibria]

@hobbyistnotes define budget. The BTT HDMI5 should work with a voron, and it's like $45. It's not the cheapest thing out there, but it's not that much more expensive than a KNOMI v2

[@hobbyistnotes]

@@MaheerKibria I really like price and size of BIGTREETECH TFT35 but it's touch sucks...

[@lazatarra]

@@hobbyistnotes BTT HDMI5 is a different one and works well, methinks. Either way I just purchased a KNOMI 2.

[@seamux]

I copied the firmware folder into the vscode explorer, but my window does not show the output section where yours says that the project was successfully updated. What do?

[@seamux]

Also where are you finding the two different versions of Knomi? You have some tabs at the bottom of your window you click on, but those are not present in my window either. What do?

[@hobbyistnotes]

I just have checked everything from scratch and it works perfectly fine. Make sure you have VSCode with PlatformIO plugin installed before you drag Knomi folder over VScode, without plugin nothing will build. Make sure you downloading firmware branch cus other branches contains non firmware files. Follow exact steps mentioned in the video.

[@jphill3306]

Does your parts fan not scrape the mounting plate?

[@hobbyistnotes]

Not at all.

[@kietmanh4113]

Can I ask for your stl file? I searched a lot but only have the design for v1. I use v2

[@hobbyistnotes]

Check here: github.com/bigtreetech/KNOMI/tree/master/KNOMI2/STL

[@rudigeyser2656]

What board do you select for Knomi V2 in platform io

[@hobbyistnotes]

knomiv2

[@rudigeyser2656]

I am new to this. Must i create a new project in platform io? The firmware file wont open, if so i need to select a board

[@rudigeyser2656]

There are alot of boards to choose from in esp32-s3

[@hobbyistnotes]

@@rudigeyser2656 Just follow the video instruction. Also before even starting you must read an original documentation at least one time: bttwiki.com/KNOMI.html

[@hobbyistnotes]

@@rudigeyser2656 U don't have to pick anything in platform io as it will automatically configure environment based on knomi version you have picked at the bottom of visual studio 4:24 time

[@georgedunn7573]

Have tried your firmware as well as my own and every time the upload gets to 100% I get an error of [HTTP ERROR] Bad Request. Any ideas?

[@hobbyistnotes]

May be something is wrong with the firmware you already have on the board. I would try flashing it via USB instead of using OTA. You can do it directly from VStudio by connecting KNOMI while holding boot button, device will get in DFU mode and then you will be able to flash it directly. Check documentation to verify. I had to do it with my KNOMI V1 as It was on old firmware without OTA support.

[@georgedunn7573]

@@hobbyistnotes Tried that and just get an error of A fatal error occurred: Could not open COM4, the port doesn't exist. I have tried just uploading the pre built firmware for KNOMI v2 and that I can do on the knomi.local I just can't get anything custom to upload.

[@hobbyistnotes]

@@georgedunn7573This error is related to cable or usb port, some USB-C cables are power only, try different cables. I would start 1st from compiling plain firmware from BTT repo code and uploading it to verify your VSCode environment works properly, may be some assets you are using too big for the memory of the device. Make sure you have picked correct device in your VScode environment, maybe you are trying to flash wrong Knomi version firmware over wrong device.

[@georgedunn7573]

@@hobbyistnotesThank you, things I can check out.

[@borys9549]

Hello! I'm trying to flash Knomi v2 but unfortunately nothing works! The firmware is built in VS code using the platformIO , but when I flash the screen is always black, I tried different firmware, all the firmware that is built through PIO does not work! I tried to flash the firmware built by PIO via USB, and flash_tool did not work! To restore Knomi after firmware failures, I use Flash_tool and flash the Bin file from the official website! I've already tried everything and can't figure out where my mistake is??? please help

[@hobbyistnotes]

When you flash original firmware from BTT GitHub repo does your device works?

[@borys9549]

@@hobbyistnotes Yes, if I flash the firmware from github via the web interface, everything works! but as soon as I build it myself without changing the source data, nothing works through Vs code

[@hobbyistnotes]

@@borys9549 I have feeling you forgot to pick proper KNOMI version in your editor.

[@borys9549]

Version v2

[@hobbyistnotes]

@@borys9549 Not even sure how to help you. What OS you use? Have you tried my firmware?

[@tbtgames505]

Como você fez para colocar uma imagem?

[@hobbyistnotes]

"How did you go about placing an image?" - I have described full guide how to do it in to the video.

[@shahram677]

Is it work on sovol sv08?

[@hobbyistnotes]

Works with any Klipper 3d printer. Sovol SV08 runs on Klipper.

[@shahram677]

@@hobbyistnotesis it possible to install on head tool?

[@hobbyistnotes]

@@shahram677 There is no STL provided by manufacturer for stock SV08 toolhead if you find or make one you can fit it.

[@Fallen_Anglz]

Incoming btt nozzle cam?

[@hobbyistnotes]

I will think about it, could be a very cool footage.

[@shaunmorrissey7313]

What is it?

[@hobbyistnotes]

Toolhead screen.

[@shaunmorrissey7313]

@@hobbyistnotes Thank you, got to be honest, i don't really see the point but I guess there must be a market or they wouldn't make it.

[@hobbyistnotes]

@@shaunmorrissey7313 Definitely not necessary by any mean, but at the same time I feel like it can be one of those things most people think useless and than some one comes out with a very smart way of using it, so I am kind of opened for such experiments.

[@ozzman39]

anyone have a Shroud for a EVA 2.4 for this ?

[@hobbyistnotes]

Nope 😑

[@elvirareb]

Put some cute face on the screen for the printer and name it. )

[@hobbyistnotes]

[@rocketboyjv5474]

And by the way I don't really give a damn about the weight. I still think it is generally useless. The only use case I saw for it was in a tool changer setup. Glancing at the screen to show the nozzle temperature while it's on standby. Using it as a controller is moderately useful but at the same time there are much more convenient ways to control it. Web interface, mobilraker, klipper screen somewhat.

[@hobbyistnotes]

If we look at this item from technical standpoint it's somewhat useless and more of a cosmetic toy.

[@rocketboyjv5474]

Hey that was my comment woooo!

[@hobbyistnotes]

🤷‍♂

[@HappyBirdBath-pr9kk]

watched this billion times now this is stupid you barley explain anything you just click here there and everywhere not explaining what your even clicking to get to things what needs be open in visual studio to drag and drop the file to do anything cuz it does absolutly nothing when i do it like slow down and be more clear in your instructions

[@hobbyistnotes]

That is why at the start of the instruction I told that you have to read original documentation at least once, video basically explains the same there is no point to waste time and make video 40 min long.

[@sabahoudini]

My question is also: But why? Also when printing at 300mm/s you are not going to see anything 😆

[@hobbyistnotes]

Why not? I can see it perfectly fine on 300mm/s with 10K acceleration.