I have the motors installed and currently working with a splitter cable using the "ZAM" port on the board and increased current to the motors. 1 Board; Creality Ender 3 Firmware – SKR E3 Mini V1/V1. bin flashed. 5Compile Firmware with the following options. I replaced the stock display with the TFT35 E3 V3. Together, they show the relation of driver pin labels and SKR Mini E3 V3 board pin assignments and can be compared to TMC2209 Datasheet, specifically the example motor wiring diagrams. There are some personal touches so it moves a tad bit slower than possible during homing etc. 0 KB) Describe your issue: Hello, I want to use a dual z stepper motor on my Ender 3 with SKR mini e3 V2 board. When I auto home it crashes into the center of the bed. 2Before you begin. Creality CR-10/CR-10S S4 Firmware – SKR E3 Mini V3 & V3. 3V and +5V are optional. Seted as COREXY and spread board removed. Alts Board raus, neues Board rein, Verkabeln, Testen. It is c V3 has some nice extras such as a controllable hotend fan and more flash memory (512kb vs. Solid Mounting the Ender 7 Bed – For use with EZABL, BLTouch, or CRTouch. SKR MINI E3 V2. Follow the instructions here to set it up for RRF. , Ltd. 0:Intergrated with TMC2209 mute stepper driver, SKR Mini E3 V3. 2. The V1. Major Upgrades vs SKR MINI E3 V2. Note the Status LED will briefly flash as the bootloader is being flashed. Preliminary DEMO support for monochrome and MarlinUI touch screens SKR MINI E3 V2. I have the jumpers in place according to the pinouts for my board and my pi3b+. Buy the E3 Mini 2. Additionally, I cannot connect via Octoprint and USB. Once the 3D Printer has booted up, the screen should stay blue for 15-20 seconds. 0 Controller Board, New Upgrade Silent Board for Upgrade to creality board v4. The baudrate doesn’t matter. 0 Motherboard With TMC2209 UART VS SKR 2 3D Printer Mainboard for Ender 3 Ender 5 Pro CR 10 4. Printer Models supported: Ender 2 Pro Ender 3 Ender 3 Pro Ender 3 MAX Ender 5 Ender 5 Pro Ender 5 Plus (Requires LCD Kit) CR-10/CR-10S CR-10 Mini/CR-10S Mini CR-10 S4/CR-10S May 6, 2022 · Step6: Mount Bracket to Carriage (X-Axis) –. 7 board is close to £20 cheaper than the SKR mini E3. 1 Problems with SKR Mini E3 2. I currently have a 1. It was been built with a more eye-catching industrial design. I had bought a 4. Creality 32 Bit Boards – Identifying your CPU Type – 256K or 512K Chips. MCU unable to connect over UART. 7 board, CR Touch & dual Z stepper motors, the dual z motors use a splitter cable. I recently got around to installing my SKR Mini E3 V2 into my Ender 3 pro. 1Prerequisites. 0 on an Ender 3 v2: Including How-to Wire the DisplayKeep in mind that the wiring is difficult. 3 Motherboard and the earlier BTT SKR Mini E3 V2. This item: BIGTREETECH SKR Mini E3 V3. The GPL comes with both rights and obligations. We have sorts of documents, containing 3D printers, SKR Series, TFT Series, Octopus Series, and other files. Buy now. The other thing that is different is the PD6 (v3) vs PB15 (v2). 9 24 Reviews ౹ 169 sold Color: SKR Mini E3 V3. 1 Touch Screen Upgrade Kit for Ender-3 Ender-3 Pro 3D Printers, BTT 32-bit Silent Main Board Onboard TMC2209, Support Marlin/Klipper 4. Amazon Product Rating: 4. BTT SKR mini E3 V2. 0 version as well, with the exact same dimensions and extremely similar interfaces. Compared to the original 8-bit motherboard, the stronger 32-bit SKR MINI E3 V3. 0 Motherboard + TFT35 E3 V3. Contents hide. If you need to change the firmware on the creality boards you need to buy a separate arduino and learn how to use that too, SKR mini e3 all you need to do is drop a new file on an SD card and put it in your printer! 5. 3V power supply, external SPI sensor power supply voltage +3. 4Connect Dupont Wires from Board to Screen. I've double and triple checked the wiring - EXP1 on the mainboard is connected EXP3 on the display and TFT on the I am at my wits end with the CR touch and the SKR mini E3 V3. Marlin includes an abstraction layer to provide a common API for all the platforms it targets. With all the variations of the CR-10, it seems difficult to find instructions for the V2 or V3. 0&V2. The Creality 4. 0 Motherboard offers silent performance as default. BIGTREETECH SKR Mini E3 V1. During this time, the Marlin firmware is being flashed to the board from our file. Ender 3, SKR mini E3 V2. Login to the Raspberry Pi. 5. Dec 1, 2023 · Basic Information: Printer Model: Ender 3 MCU / Printerboard: SKR mini e3 V2 klippy. It is shipping from China and according to their return policy, I would have to pay for shipping and taxes which if I calculate right would be more than BIGTREETECH BTT SKR Mini E3 V3. This allows Marlin code to address the details of motion and user interface tasks at the lowest and highest levels with no system overhead, tying all events directly to the hardware clock. bin file to your SD card (rename the file if necessary) Load the SD card in the 3D Printer and turn it on. 0 32Bit Control Board with TMC2209 UART Stepper Driver New Upgrade 3D Printer Silent Board for Ender 3, Ender3 Pro, Ender-3 V2 3D Printer Visit the BIGTREETECH Store 4. I've been Googling around all week and keep coming back to the 10S instructions. Exquisite Packaging Box*1. Creality Mega 2560 Board Connections (CR-10S/Dual Board) Creality Melzi Board Connections (CR-10/Ender 3/Ender 5) Creality V4. 0 compatibility Ender 3 v2 LCD screen upvotes The SKR Mini E3 V3. 2: The SKR Mini supports Neopixel RGB LEDs, so if you want your setup to have that gamer aesthetic, you can do that, although you may need an additional cheap add-on board to do that depending on how many lights you're sporting. Cables made from the scratch. Z stop removed. 0 Controller is wonderfully designed as a drop-in upgrade for the Classic Creality Ender 3 3D Printer, and is built to directly replace the original Creality 3D V1. 7 silent board. Begging for help with SKR Mini E3 V2 Marlin VScode. Increase the powerful cooling function, quieter and smarter. However you're going to have to put in stepsticks which probably aren't included. 0 dual Z with auto Z alignment. Fire up VSCode and do the necessary changes. It is very popular because it is affordable and Dec 8, 2021 · Big Tree Tech sent us a new SKR Mini E3 v3. The SKR mini e3 v3. Ensure that the micro-controller architecture is set to ‘STM32’. Ensure that the processor model is set to ‘STM32F103’. Run the following: sudo apt install make. 0 as I would rather run the vanilla version, with my own changes for larger serial buffers (for better Octopi performance) and BLtouch v3. Company: BIQU. The interface cable support SKR Mini E3 V3. Once unzipped, go to firmware, then the folder of the board version you have. File. make menuconfig. 2 version. Increase SPI output port +3. Thanks for your answer I read that the SKR Mini E3 V2 is compatible, but with a newer board available I am wondering if V3 is better/if it is compatible? I would also like to install CR Touch or BL Touch to it. 0 is now available and I'll compare the features versus other boards and show you a complete install on the Ender 5. Guide To Connect Btt Mini 12864 To Skr Mini E3 V3 2. 96 right now so hit me up if you want another value and I can compile a new one. TH3D “Neon” LED Logo Sign Download. The hot end fan is in Fan 2, the case fan 1 and part cooling Aug 30, 2019 · The SKR Mini E3 from Bigtreetech is a drop in replacement board that I’ve made videos on Ender 3 mainboard upgrades, but this one has been highly requested. 0 is better than the 4. You have to remove the screws from the fan duct cover sides. With skr mini e3v3 and BTT TFT35-E3 V3. For those trying to achieve that, make sure you check the wiring diagram since it is not 100% the same for the MISO, MOSI and SCK for the EXP2. to/38Zk2DWAmazon UK Controller Board*1. The drivers are wired in UART mode, so Vref is irrelevant and in fact not even connected on the board, nor are there potentiometers to set it. 3 SKR PRO Board for 3D Printer Part. 0 is a silent control board adopts 32 bit ARM level Cortex-M3 series STM32F103RCT6,72MHz frequency Microprocessor, which is designed for Ender-3 3D printer particularly,a perfect replacement motherboard of the Ender-3 printer. Was just wondering if it has advantages the creality 4. 0, we made a few major upgrades. Unzip the firmware package you downloaded. Using also skr e3 V2 with touchscreen for 2 years now i am happy with it also. SKR Mini E3 V2/V3 are viable drop-in replacements for Creality 4. 1 support rather than the manufactures version of Marlin. The PC communication USB interface is upgraded from Mini USB to Micro USB B. 2/V2 Board Creality CR-10/CR-10S S4 Firmware – SKR E3 Mini V3 & V3. Then put the screws back in, which will go outside of the cover’s fan duct. 0 upgrade on the base of SKR MINI E3 V1. , which can perfectly replace the motherboard of the original Ender 3 printer. 0 Control Board +TFT35 E3 V3. the default config SKR MINI E3 V3. Besides the odd stringing issues I was having, the 4. Notice: About Ender 3 V2. 0 is a customized motherboard for the Ender 3 printer launched by the 3D printing team of Shenzhen BIGTREE Technology Co. 0 is loose and the cable falls out or looses connection with the slightest tap, so I am following nero3D's guide to run klipper over UART. 0 is a customized motherboard for Ender3 printer launched by the 3D printing team of Shenzhen BIGTREEtechnology co. The servo pins are GND, 5V, PA1 from top to bottom, so you need to connect blue, brown and black from top to bottom. 2 Running Cheetah 5. . 0:Upgraded More Capabilities,supports dual Z steppers for linear rail and belt upgrades, filament runout support, automatic shutdown (UPS support), power-off resume, sensorless homing and so on. These and other SKR mainboard/motherboard for 3D-printers are produced by the 3D printing team of Shenzhen Bigtree Technology Co. Including: manual, hardware manual (pin diagram, schematic diagram, wiring diagram, etc. 0 Today:Amazon USA: https://amzn. As there is little documentation about this board and how to properly configure CoelestiaSeqor. 99 Get it as soon as Saturday, Jun 1 Below images show 'TMC2209 pinout schematic' and 'SKR_Mini_E3_V3 driver schematic'. twiggums. Keeps cool. The Ender 3 Pro stock display works perfectly well with any SKR board, including all version of the SKR Mini E3. Connect to the board using a program such as putty. Select the first marlin folder in this route: C:\firmware\skrv3\Marlin (Don’t go into the second Marlin folder) To ensure you’re in the correct folder, check for a file named “platformio” inside it. We are committed to easy printing, easy life. 5 8bit board (and bl-touch) on my pro and contemplating changing the board. However thanks to radek8, we managed to get it work by rewiring the cable from EXP1 + Neopixel to EXP2 and EXP3. BIGTREETECH SKR MINI E3 V3. Rubber Duck*1. The SKR status LED will start flashing slowly as the board resets and enters the katapult bootloader mode. 2 out of 5 stars 54 There's no jumper where the skr 1. cfg:https://pastebin. 2) as well as the nicer screen (already designed and printed a case for it ready for mounting). bin. 3Check out the Pinout. 0 upvotes BTT SKR mini e3 v2. I cover everything you need to know to do the firm Go to the root of the BIGTREETECH-SKR-mini-E3 Repo, click code, the click download zip. 0 Different methods to connect ADXL345 to SKR MINI 3E v3 in your configuration file we add at the beginning of your configuration file comment out the [input_shaper] so there are no problems. Today we investigate the Mini E3 2. Jul 7, 2022 · In this video, I cover the process to upgrade the firmware on an SKR Mini e3 using BTTs prebuilt firmware. The USB on my SKR Mini E3-V2. 1 Board; Creality CR-10/CR-10S S5 Firmware – SKR E3 Mini V3 & V3. (by bigtreetech) Suggest topics. 2/V2 Board; Creality Ender 3 MAX Firmware – SKR E3 Mini V1/V1. 2, CRTouch and support for UBL, you should download the file: Ender3V2-422-BLTUBL-YYYYMMDD. 0 Touch Screen Display RepRap Smart Controller Panel Compatible with SKR V1. 99 $ 79 . cd ~/klipper. Oct 14, 2023 · Insert the SD card into BTT SKR Mini E3 v2 and power up the SKR. However, in touch screen mode it refuses to see the printer. x and V2. The Bigtreetech SKR mini E3 is a plug and play 32 bit mainboard for the Creality Ender 3, Ender 5 and CR-10. Other than that, it seems to work as expected. Now using it with sonic pad running flawless. com/Y2dzr3GeIf I helped you out and you Copy the firmware. This video Dec 23, 2022 · I might have bricked my SKR Mini E3 V3. 1 Touch Screen Display 32-Bit Silent Board Integrated with TMC2209 UART Stepper Driver Compatible with Ender 3/5 Ender 3 Pro/V2 3D Printer: 3D Printer Controllers - Amazon. The firmware is compiling, but after uploading to the Ender-3 V2 with the SKR mini E3 V2 motherboard, the screen still does not work. 0 Mainboard im Ender 3. Once connected, power up the board using 12-24v and connect to the USB port on the board. 7 from Creality on an impulse and my friends pressuring me. 0 motherboard has much higher performance and more interfaces for DIY modifications. 0. The SKR Mini E3 from Bigtreetech Description. The wiring is done! Now on to the boring part, editing the firmware. log klippy. 0 and it works fine in LCD emulation mode. 3 has jumpers for that. 3 out of 5 stars 3,342 ratings We would like to show you a description here but the site won’t allow us. Then there is the part cooling fan as well. 0 board, comparing against the previous 1. Everything runs smooth and I am a “happy camper” - for now. bin files on the SD card dont get flashed (no status blinking LED) and don't get renamed to . To start off I know the SKR mini E3 V2. I’m not sure if they are reversed I used an ender 3 config and just edited it for the ender 5 so I did have to invert motors to get them to work properly but now the Skr e3 mini GitHub has pre compiled firmware for ender 5 don’t know how good it work tho and as for the fan I crimped a jst connector to it if you don’t have crimpers solder a piece of wire that has one on the end to it Bltouch V3. Basic Information: Printer Model: Ender 3 V2 MCU / Printerboard: BTT SKR Mini E3 V3. , which can perfectly replace the motherboard of the original Ender3 printer. VagnPetersen February 23, 2023, 11:01am 1. Pull the BLTouch bracket. Step 2: Unzip the Files. Right now, I'm just trying to get the pinout right and the board connected before I try messing with the firmware. 2/V2 Board; Creality Ender 3 Pro Firmware – SKR E3 Mini V1/V1. 08 2; BTT SKR Mini E3 v3 Schematic 3 BIGTREETECH SKR MINI E3 V2. Blue: ground, brown: 5V, black: signal. We would like to show you a description here but the site won’t allow us. 0 board delivered about an hour ago, but I have not fitted it yet and may wait a few days until they get stock Marlin 2. Micro USB Cable*1. Fakespot Reviews Grade: B. It still shows power LED, and SD slot LED when powered and with a card, but the display does not show anything, USB does not show up as COM-Port on PC and firmware. I have a well functioning printer with a little older version of klipper. For example, if you want a firmware for your Ender-3 V2 printer with a control board version 4. All was going well until I got around to compiling the firmware on VSCode. Refer to the SKR mini E3 diagram to be 100% sure. Und dann bauen wir uns noch eine Ma BIGTREETECH SKR Mini E3 V3. Jun 29, 2020 · BIGTREETECH SKR Mini E3 V3. On va Instructions to use ender 3 V2 stock LCD with SKR mini E3 V2/V3 or even E3 Turbo. Change the Com port to match the SKR v2. 4. X TMC Boards – Recommended VREF. Hoping for a bit of help here. I watched a video by auroa tech and moved the blue and red wires to the Z stop but that doesn't Product Information. So Ive tried the default cfg file from BTT and I cant get the behaviour I am after. I currently have an Ender 3, with the cheap Creality direct drive upgrade, 4. 4 Turbo won't fit in the existing case so take that into account as well. Cannot find pinouts for the 42-48 motors. In the menu structure there are a number of items to be selected. BTT SKR MINI E3 V2. Look hot. 0 does not fit this vertical screen, Bigtreetech SKR Mini E3 installed on Ender-5 and with a buck converter to power BL Touch. SKR MINI E3 V2 vs V3. X Board Driver Codes. 3 out of 5 stars 3,349 ratings Apr 14, 2021 · 1. The motherboard was specially created for a trouble-free upgrade and can be Replaced the stock 32 bit board on my Creality Ender 3 Pro with BigTreeTech's SKR E3 Mini Version 2. x mainboards are ultra-quiet, low-power, high-quality 3D printing machine controller boards from BIQU. The Bigtreetech SKR Mini E3 V3. Below images show 'TMC2209 pinout schematic' and 'SKR_Mini_E3_V3 driver schematic'. 2/V2 Board We would like to show you a description here but the site won’t allow us. Polymaker PolyDryer Printable Mods. References: TMC2209 Datasheet rev1. So it'll be more expensive. 0 Control Board + TFT35 E3 V3. 0 - More eye-catching industrial design, with practicality and aesthetics - Larger heatsink for better heat dissipation - Equipped with the latest G0 series MCU - Change the USB mini interface to USB Micro B - Increase SPI output port +3. 0 and connect. SKR MINI E3 V3. Reply. 0 was designed by BIGTREETECH. Working but I am gething mirrored prints by X axis. The mini E3 has three fan ports, all controllable Actually the opposite, it is FAR easier to update the firmware on the SKR mini e3. The SKR Mini E3 went in fine and the printer booted up with no issues. My current, single z-motor, config is the following (i. 2 board against skr mini e3. I also think the Z probe offset is at around -2. Your purchase helps fund the development of the firmware for this board and others. zip (756. Jun 18, 2024 · Final Setup. The BTT SKR Mini E3 V3. be/mfF_UO9f9dUDans cette vidéo, on fait le tour de la BigTreeTech SKR Mini E3 v2. I have the above setup and I'm trying to setup dual Z with auto Z alignment (I have a BL touch). com FREE DELIVERY possible on eligible purchases The v2 and the v3 are exactly identical in that part. 08 2; BTT SKR Mini E3 v3 Schematic 3 If there is a detriment I wouldn't, but there is a strong benefit of switching with clearing out exposed wiring. BTT SKR Mini E3 V3 board (needs a screen adapter). However, it also has a slightly weaker CPU that may not be able to handle all features at once. After solving some issues with BL Touch, LCD Panel and bed heating the printer is finally working. I can connect to my firmware without any problems and print from Octoprint (without a working screen, of course). 0 is a simple upgrade for the Creality Ender and CR-10 series. , LTD. The pairing on…. For more files, we have precompiled firmware for Ender 3 It's a frankensteined config from the CR-10 (V1) + SKR Mini E3 V2. 3 4. Seems to me it's better to stick with skr mini. . Marlin is published under the GPL license because we believe in open development. Ender 2 Pro Handle Spacer – Tough Extruder V2. Feb 23, 2023 · General Discussion. Here is the analysis for the Amazon product reviews: Name: BIGTREETECH TFT35 V3. Ender 3 S1 5015 Fan Duct STL. 0 and the CR-10 S5 + SKR Mini E3 V3. The Mini E3 doesn't adjust the stepper motor current by adjusting Vref. The single-line marking indicates the direction in which the plug is inserted into the Ender-3 V2 screen socket, please keep it the same direction as the notch of the socket. Looking for some assistance on getting the steppers set up correctly and wired correctly. 0 is the upgraded version of v2. 1 Graphic Smart Display Panel Board New Upgrade 3D Printer Parts for Ender 3, Ender3 Pro, Ender 3 V2 $79. Jun 21, 2022 · I have an SKR Mini e3 v3 and I want my hot end fan to come on when the hot end goes above 50, my case fan to come on when the heated bed is above 50 as well. Open the firmware with VS Code. I connected it correctly to the 5 pin connector and used the firmware-ender3-bltouch-for-z-homing. Make sure you change the configuration for the `rst_pin`. SV03 - Upgrading from stock Creality silent v2. This board has the possibility to drive 2 Z motors (ZAM, ZBM), but Im not sure how to configure it. It is launched by the 3D printing team of Shenzhen BIGTREE technology co. I've had the SKR Mini V3 E3 and TFT50 collecting dust on the shelf for some months now but I'm really wanting to get it installed to get the benefit of linear advance, the new 2209 stepper drivers (currently running Creality 4. I had been following this video for a tutorial on how to send the firmware to the SKR. This firmware is tested by us on the actual board and works. 0 Controller Board, New Upgrade Silent Board for Ender 3 3D Printer. Printer used: ender 3 v2 with a skr mini e3 v2 motherboard, linear rails, sprite extruderPrinter. Need help installing SKR Mini E3 V2 in CR10 v3. First: The display of Ender 3 V2 is vertical, SKR MINI E3 V2. I also feel like having access to the Pi power cable is probably a good thing. 2. 3V and +5V are We would like to show you a description here but the site won’t allow us. Ender 5 Plus Wire Loom Strain Relief/Mount. 3rd Party Control Boards. 0 32 Bit Control Board Integrated TMC2209 UART For Ender 3. Go into VS Code and click on “Explorer” on the top left and then go to “Open folder”. 0, raspberry pi 3b+. X boards as they are equip with TMC2209 in UART Installing a BTT SKR Mini e3 v3. 0 is powered by STM32G0B0 or STM32G0B1 chips, and both have 512K of flash. May 11, 2020 · 💐【32 Bit High Performance Microprocessor】SKR MIN E3 V2. The 1. 0 Control Board with TMC2209 UART Stepper Driver New Upgrade 32Bit 3D Printer Silent Board for Ender-3, Ender3 Pro, Ender-3 V2 3D Printer Visit the BIGTREETECH Store 4. 7 or SKR mini E3 v2. 0 control board, perfectly adapt to Ender-3 V2 screen. Would anyone with a CR-20 Pro be able to give any input? We would like to show you a description here but the site won’t allow us. But on the thermistors (EDIT: of the v3) you see additional diodes and resistors (EDIT: which are not present on the v2), which are the protection circuit I meant. I will show how to Install (an Hier gehts um das BIGTREETECH SKR MINI E3 V3. It was a bit of that and the fact that my eeprom is starting to finnicky on my V2 so I figured I could get this and swap over to klipper at the same time. We'll take a look at the board, do a quick install, and of course, a test print time-lapse! 00:00 Intro 01:31 Mini E3 Overview 05:35 Aug 22, 2021 · BIGTREETECH SKR-mini-E3 motherboard is a ultra-quiet, low-power, high-quality 3D printing machine control board. 👉 Nouvelle vidéo complète de création de firmware : https://youtu. Whether you use Marlin firmware as the driver for your open or closed-source product, you must keep Marlin open, and you must provide your compatible Marlin source code to end users upon request. This video shows the Ender 3 Pro but the steps work for any Creali May 13, 2020 · SKR MINI E3 V2. Here’s the setup on my Ender-5 with a SKR Mini E3 and BL Touch 3. The SKR USB connection is on the front, and on the Pi side, hooking up my webcam, the SKR, and the pi power cable requires 2 flats have wiring. 256kb) and a preinstalled heatsink that won't randomly pop off when installing the board in the enclosure. If you have the right firmware, there should be a menu entry for that. 1 board to BTT SKR Mini E3 V3 upvotes I just got my own SKR mini v2. 0 Aug 7, 2020 · Chuck shows you how to take your original Ender 3 Pro or Ender 3 and upgrade it to 32 Bit. You set the stepper motor current in firmware. Creality V4. Buy BIGTREETECH SKR Mini E3 V3. CUR. 1. Jun 29, 2020 · BIGTREETECH SKR Mini E3 V3. This is our Unified 2 Firmware for the BigTreeTech SKR E3 Mini V3 boards. Ensure that the Bootloader offset is set to ‘28KiB’. 0 with some firmware updates. To attach the bracket, you lifted from an aluminum profile of the duct to the x-axis carriage. If the bootloader mode is needed at a later time, rapidly double-clicking the RESET button on the Klipper - ADXL345 SKR MINI E3 v3. Since Ender 3 V2 & Ender 3 S1 are using the same knob LCD screen, they have slight different pin out compared with the LCD12864 or BTT TFT Screen. 3 has one more stepper driver position (5 total) and one more thermistor port so you could run independant dual Z steppers on it, or a second extruder, whereas the mini E3 only has four drivers so can handle dual Z but not dual independant Z, and only one extruder. Ender 6 5015 & EZABL – PETSFang Mount. BIGTREETECH SKR-mini-E3 motherboard is a ultra-quiet, low-power, high-quality 3D printing machine control board. 7 Board vs SKR mini E3 v2. This board is specially tailored for Ender 3 printer, perfectly replacing the original Ender3 printer motherboard. It allows for more things to be added, such as a second extruder. bin from BTT. e. ) 3D printers and the relevant parts' manual and hardware files that you need without charge are our intimate service. ps hr rl tg vg ve eq di uq pj