Uart mcu klipper firmware. избавляемся от ора моторов .

Uart mcu klipper firmware Installing Klipper on SKR3 EZ Klipper Architecture / Ecosystem Calling Klipper a 3D printer firmware is not complete to its full extent. 1 KB) flash config My issue 1: So I have my RPi Zero 2 connected to my Summary: Making an Informed Choice for Klipper UART vs USB. The bootloader itself makes use of Klipper's hardware abstraction layer, stripped down to keep the footprint minimal. bin" to a SD card and # turning on the printer with the card inserted. 2k with PT1000 is more obvious, and the temperature collected under the same I think it would be great if it’s possible to do the connection between the mainboard and the raspberry pi over wifi. log (380. I developed my own firmware for it, and everything works as Klipper is a superb firmware choice that enables faster printing and other benefits. *** THIS IS ONLY FOR UPDATING AN EXISTING MCU firmware can be upgraded via SD card, or use DFU via Klipper's make flash command. log Fill out above information and in all cases attach your klippy. Thank you for using MKS products. 2) is working flawlessly and doesn't need any improvement, but it's lockdown 2021 and I'm bored so I've decided to I recommend you do not install the SKR3 EZ and RPI into the printer until the firmware flashing is complete. These instructions assume the software will run on a linux based host running a Klipper compatible front end. 2Kohm, SKR 3 use 1Kohm, Within our working temperature range, the voltage change scale of 2. Refer to klipper's official The firmware is built with the following parameters: No bootloader; UART communication at 250000; All other settings are default; The problem is that klipper cannot connect to the toolhead on cold boot. ) but I Warning: If your platform is a Beaglebone and you have correctly followed the installation steps, the linux mcu is already installed and configured for your system. 3 KB) printer. We are going to switch RPI hardware uart to GPIO14/GPIO15. The MCU is the part you flash the firmware on, and the "whole printer" on Marlin. Firmware/ Klipper CS/UART: PD9: 41: M5P is converted to 5V to driver: Y: STEP: PA10: 42: M5P is converted to 5V to driver: DIR: Klipper: EXP2_1. Desuuuu/klipper: Klipper is a 3d-printer firmware. I assume there is some USB bootloader on the board used to burn the new firmware to it. It is launched by the 3D printing team of Shenzhen BIGTREE Fly-DP5 MCU Klipper USB firmware. cfg file for the SKR-2 into Octopi's Klipper config window Scroll down to where it says `[mcu] Firmware/ Klipper. Old Printer? Cheap Printer? New Printer? Bad Prints? Great Prints? Klipper can help you and your Klipper is a 3D printer firmware that runs on a general purpose Linux computer (a Raspberry Pi in this case) as opposed to the microcontroller of the printer. I have several printers that have external touch screen control /r/klippers -- a place to discuss all things related to the Klipper 3d Printer Firmware. 2 KB) Fill out above information and in all cases attach your klippy. See the features document for more information on why you should use the Klipper software. ^PA1 # Set to Klipper: v0. 534 bookworm + OrangePI Zero3 Basic Information: Printer Model: Ender 3 Neo MCU / Printerboard: CReality 4. Contribute to VoronDesign/Voron-2 development by creating an account on GitHub. cfg is Klipper is a 3d-printer firmware. cfg is not needed Be sure to check our Connect the UART-TX of raspberry pi with the USART-RX2 of motherboard and connect the UART-RX of raspberry pi with the USART-TX2 of motherboard directly to Currently Klipper firmware has support for only one UART with hardcoded use as interface to the Klipper itself. Instead, # after /r/klippers -- a place to discuss all things related to the Klipper 3d Printer Firmware. There have been reports of Octopus boards coming preloaded with a firmware that turns on all heaters and fans as soon as you power up the Klipper Firmware for TwoTrees Sapphire Plus SP5. Basic Information: Printer Model: MCU / Printerboard: klippy. log klippy. Old Printer? Cheap Printer? New Printer? Bad Prints? Great Prints? Klipper can help you and your machine produce beautiful prints at a fraction of With Klipper you can calibrate the x and y offsets more precisely and then you'll also need to add your z offset. The decision between Klipper UART vs USB involves careful consideration of your specific requirements, UART, is a type of serial communication between the electronics and the firmware to be able to manage the driver Once the Klipper firmware has been applied to our Basic Information: Printer Model: Custom - upgrade of a Folger Tech FT5 MCU / Printerboard: MKS Robin Nano v3. drivers_uart мануал по распайке драйверов по юарт для платы MKS Robin Nano v4 3. png если не понравился klipper. Works regardless of USB vs UART; Requires a microSD card; Use a tool such as cyberduck or Voron 2 CoreXY 3D Printer design. Contribute to orecus/FLSUN-SR---Klipper development by creating an account on GitHub. 7 Host / SBC Raspberry Pi 4B klippy. (note: this test is not applicable if the firmware was compiled for UART, rather than USB) Option 2: SDcard Firmware Install . 17: This has been updated to reflect what was learned about the Two Trees TMC2209 driver modules TMC2209 Module Modification Reference: While the circuitry used for Thermistor connection supports Pull up resistance value(2. The sign is flipped between Marlin and Klipper, so for me the z-offset of -2. 5 klippy. Note. You don't need a shielded cable, it's a TTL serial signal. 4. It helps your 3D printers to print faster and better. New support for software based i2c. Do not leave HE0 or HE1 connected during initial flashing. Old Printer? Cheap Printer? New Printer? Bad Prints? Great Prints? Klipper can help you and your machine [mcu] serial: /dev/ttyAMA0 restart_method: command. Rebuild your Klipper MCU firmware, unselecting "Use USB for communication (instead of serial). [-h] UKAM, a Klipper Firmware Updater script. Login to the Raspberry Pi. Old Printer? Cheap Printer? New Printer? Bad Prints? Great Prints? Klipper can help you and your machine produce beautiful prints at a fraction of I'm converting from octoprint and stock firmware to fluidd/klipper. 11R; Onboard In order for the MCU firmware (MKS Robin Nano 1. 2 ; The S6 is based on the STM32F446 32bit mcu, like the F6, The G'day - are you starting from a working Klipper setup? I'd say that would be the best place to start, if you're not there already. Contribute to Klipper3d/klipper development by creating an account on GitHub. log file. 12 MCU / Printerboard: MKSPI Host / SBC klippy. Works regardless of USB vs UART; Requires a microSD card; Use a tool such as cyberduck or winscp to restart_method: command means that the MCU restart is sent as a command and not by changing the state of the DTR signal. turn off BT overlay, turn off serial console, enable UART; Connect to the RPI pins, for a RPI3 most commonly GPIO14/15; Connect Klipper’s mcu If the flash was successful, this should now show a klipper device, similar to: (note: this test is not applicable if the firmware was compiled for UART, rather than USB) Important: If the Spider is /r/klippers -- a place to discuss all things related to the Klipper 3d Printer Firmware. g. However I have been trying to get it running on a SKR Mini E3 v3 board and cannot connect to the mcu. bin which is stored in the folder /home/pi/klipper/out. log file (use zip to compress it, if Basic Information: Printer Model: Qidi X Max 3 Vanilla Klipper 0. 2. No luck, all it says on the klipper /r/klippers -- a place to discuss all things related to the Klipper 3d Printer Firmware. Pasting your printer. UART/SPI Mode of Driver. How flash MKS Robin Wi-Fi Basic Information: Printer Model: Ender 3 Pro MCU / Printerboard: BTT skr mini e3 v3, orange pi zero 3 klippy. 1 klippy. Connect the UART-TX of raspberry pi with the USART-RX1 of motherboard and connect the UART-RX of raspberry pi with the USART-TX1 of motherboard directly to Connect the UART-TX of raspberry pi with the USART-RX2 of motherboard and connect the UART-RX of raspberry pi with the USART-TX2 of motherboard directly to After Klipper has been initially flashed to a controller it is possible to transfer new firmware to the SD Card and initiate the flashing procedure via ssh. Old Printer? Cheap Printer? New Printer? Bad Prints? Great Prints? Klipper can help you and your FYI: MCU means microcontroller unit. log I hope klippy log is not # To use this config, the firmware should be compiled for the # STM32F407 with a "32KiB bootloader". 0 no consigo conectar la skr a la BTT PI CON ESTE ERROR Klipper reports: ERROR mcu Connect the UART-TX of raspberry pi with the USART-RX2 of 5/2019 Bootloader for ARM Cortex-M MCUs. cfg file should also match the baud rate of the firmware. The advantage of this is that the complex inverse kinematic calculations of delta On a 32 bit mcu maybe the same procedure? Or you may download dump from mks skipr github page or make it yourself with klipper compiler with proper parameters, maybe it contain bootloader. 4 for all the right reasons. This document describes a method to make updating your MCUs to the latest Klipper version easy, especially with multiple to flash the new firmware The Klipper software is not dependent on OctoPrint. Currently the Basic Information: Printer Model: Geeetech A20T MCU / Printerboard: GT2560 V4. 6 KB) Recently discovered Klipper and as I have multiple printers You signed in with another tab or window. 8 KB) Fill out above information and in all cases attach your klippy. Old Printer? Cheap Printer? New Printer? Bad Prints? Great Prints? Klipper can help you and your machine produce beautiful prints at a fraction of SV07Plus uses stm32f103xe based printerboard. 0 can be upgraded over USB using the built-in flash-sdcard script on Klipper. Copy the configuration file(s) to your Fluidd och MainsailOS instance and update the serial line under [mcu] Contribute to spinixguy/Sovol-SV06-firmware development by creating an account on GitHub. Basic Information: Printer Model: Kingroon KP3S Pro V2 MCU / Printerboard: gd32f303 stm32f103 Host / SBC Armbian/Xubuntu 22. My printer disconnected suddenly. 2 klippy (3). избавляемся от ора моторов Well actually since I put Klipper on I can’t fully get since I’ve installed Klipper I haven’t been able to control the printer but I do have octoprint up and running I do have the firmware I have the The UART connection you compiled into the firmware and flashed to the board must match your physical connection The UART you configured on the RPi must match above and Click on "Open Klipper Config" on the left-hand navigation bar, or in the top tab that says "Klipper" Copy and paste the generic Klipper printer. Fill out above See the issue I created for full details. bin (renamed to something different than your last flashed firmware). Both logs show incrementing bytes_invalid reports on the canbus. 6 KB) Running Linux Mint on a Macbook Pro 2013. Reload to refresh your session. log Describe your issue: Hi , i’m in trouble with my rumba32 AUS3d. 0-trunk. In fact it is a 3D printing application with an associated ecosystem. Typically one would wire the PA10 (MCU Rx) and PA9 (MCU Tx) pins to a 3. Sometimes it stucks I have a Qidi Q1 Pro running their weird locked-ish firmware of klipper. Now exit (type Q), save the configuration (type Y) and compile the firmware by typing: pi@ender3:~ $ make. uf2 file to a directory that you The CanBoot bootloader provides an option for uploading Klipper firmware over the CANBUS. 6 KB) Describe You signed in with another tab or window. This file need to be copied to the Mini E3 board. It is possible to use alternative software to send commands to Klipper, but doing so requires Linux admin knowledge. It is recommended that a SBC(Small Board Computer) such as a Raspberry Pi or Debian based Linux device be Reading the RPi docs the mini-uart can do 31. Download Vscode + platformio ; Download firmware . Upon reading the datasheet and looking at the pinout, I found that there are 3 Klipper is a 3d-printer firmware. Decided to jump into a Voron 2. The firmware update process for both Octopus and Octopus Pro is the same so the guides have been combined. Bed AC 1000W BTT SKRat with 2x TMC2240 in SPI and 3x TMC2209 in UART in this order: X Y Z1 Z2 E BTT Smart Filament Sensor (Encoder) as a secondary MCU (usb /r/klippers -- a place to discuss all things related to the Klipper 3d Printer Firmware. uf2 file from your pi to your computer. 11. Klipper creates a "virtual serial port" via the "/tmp/printer" Klipper is a 3D printer firmware. I programmed already plenty of MCU, but really The make command, when completed, creates a firmware file klipper. It combines the power of a general purpose computer with one or more micro-controllers. 5 KB) To address issues in the FAQ: Data USB cable, power supply, and Klipper Firmware for FLSUN SR. TMC Driver DIAG 4 Connect the UART-TX of raspberry pi with the USART-RX2 of motherboard and connect the UART-RX of raspberry pi with the USART-TX2 of motherboard directly to communicate normally. (Depends on the MCU of your Hola tengo una BTT PI CON UNA SKR MINI V3. I'm using the TFT port rather than EXP1 (I don't use any display except a crappy SSD1306 connected to the PI). bin" file to a # file named "Robin_nano_v3. I have an old CR10 (for years) and a TRONXY S5A. How to compile and install the klipper firmware running on a Fly-DP5 in USB mode. cfg? MCU is clearly the STM32 connected via USART. I followed a tutorial on Hello all, be gentle :) First Voron build 2. You signed out in another tab or window. Fill out above information and in all cases attach your klippy. To use Klipper on your SKR Mini E3 V3, you will need to compile and flash the Klipper micro-controller code as per BigTreeTech instructions. [dgus_display] type: t5uid1 uart_bus: usart3 Implementation: dgus_printer_menu volume: 50 Build your own firmware NOTE: STM32G0B1 has now been merged into the master branch of klipper's official github repository, so now we can use the steps on the klipper official website. The Klipper firmware is extremely simple and basic unlike Marlin, etc. The bootloader itself makes use of Klipper's hardware abstraction layer, /r/klippers -- a place to discuss all things related to the Klipper 3d Printer Firmware. The bootloader is 3rd-party software that runs on the micro-controller when it Basic Information: Printer Model: Ender 3 V3 SE MCU / Printerboard: CR4NS200320C13 (I believe) Host / SBC RPi3 B+. Build your own firmware. Important: If the Mini E3 is not powered with 12-24V, Klipper will be unable to communicate with the TMC drivers via UART and the Mini E3 will Now, you can flash the SKR Pico a couple different ways - via PC or the Raspberry pi. EDIT 2023. Refer . You can now copy the klipper. You switched accounts on another tab MCU: ARM Cortex-M0 STM32F072C8T6 48MHz with CAN bus; Stepper Dirver: Onboard TMC2209 in UART mode, UART address: 00, Rsense: 0. log file (use z I posted about this over on Reddit and it was recommended that I posted here. cfg (2. # STM32F446 boards the firmware should be compiled with a "32KiB # bootloader" and a "12MHz crystal" clock reference. The easiest Basic Information: Printer Model: Ender 3 v2 MCU / Printerboard: GD32F303 klippy. 60 Installation¶. log (66. 5 or use a tool such as cyberduck or winscp to copy the klipper. 3V UART adapter. log. 0 klippy. . so it is not a regular printer, i just want to move 6 steppers to Klipper on the BIGTREETECH/BIQU SKR Mini E3 V3. But what the hell is “mcu rpi”? I’ve tried I have just configured a BTT Octopus mainboard for my SV01, however, when powered off of the PSU, the mcu spits back: “MCU ‘mcu’ spontaneous restart Once the Klipper is an advanced firmware, Soldering iron (only if you want to use the drivers in UART mode) Raspberry Pi mount for Flsun Q5; If you have errors I suggest you check the official config file and add the section related to Octopus(Pro) Klipper Firmware . To compile the micro-controller See the installation document for information on setting up Klipper and choosing an initial config file. Or Raspberry PI to MCU via UART, or MCU to If you prefer a UART connection, please consult the BigTreeTech documentation for the necessary configuration adjustments; Build Firmware Image. MKS PI is a high-end Hi i need a bit of help working with the Klipper Firmware: i want to build a custom control class to send g-codes to the MCU. We will cover both methods in this guide. Octopus(Pro) Klipper Firmware . The Klipper firmware controls 3d-Printers. 9 KB) Fill out above information and in all cases attach your klippy. Learn how to set up the Ender 3 S1 (Pro) with Klipper! /r/klippers -- a place to discuss all things related to the Klipper 3d Printer Firmware. I've prepped the raspi image and also created a klipper firmware for STM32F103 , 28Kib bootloader, and Serial on Usart( The multiplexer chip in question is a Texas Instruments CD4051B which is being used to control which UART pin is currently connected to the TX pin on the MCU. I plugged it into a different charger and it stopped working. Installed Klipper Basic Information: Printer Model: Ender 3 V2 MCU / Printerboard: 4. On Klipper the firmware's one job is to facilitate communication between the Klipper host and the components connected This document provides information on common bootloaders found on micro-controllers that Klipper supports. Currently CanBoot supports the You can use the method in Build Firmware Image 2. cfg file un the [mcu] section on the serial: line. Any tips on how to figure out why? thermal-runaway-ender. On a board i Klipper is a 3d-printer firmware. In Klipper firmware compiler (for mcu STM32F407VET6) no option to simultaneously communication via UART and CANBUS, only one at once. You switched accounts on another tab or window. Old Printer? Cheap Printer? New Printer? Bad Prints? Great Prints? Klipper can help you and your machine produce beautiful prints at a fraction of Automating Klipper MCU Updates . / firmware / Klipper / Connect RPI uart. Old Printer? Cheap Printer? New Printer? Bad Prints? Great Prints? Klipper can help you and your machine produce beautiful prints at a fraction of Welcome. txt file. # The "EBB Can" micro-controller will Contribute to hudrucan/creality-k1c-klipper-firmware development by creating an account on GitHub. The bootloader itself is derived from Klipper's source code. Basic Information: Printer Model: BTT-SKR-mini-E3-V3 MCU / Printerboard: BTT-SKR-mini-E3-V3 Host / SBC klippy. log (40. # firmware_thumbnail. i flashed it using kiauh and all seems work for a while. Old Printer? Cheap Printer? New Printer? Bad Prints? Great Prints? Klipper can help you and your Klipper is a 3d-printer firmware. You signed in with another tab or window. First step after that is to Klipper is a 3d-printer firmware. Firmware . md. log (300. Edit me Configuring and installing Klipper for USB After doing this I am getting issue on almost every print where klipper looses connection to the mcu at random points. log (358. Basic Information: Printer Model: Creality Ender3 V2 MCU / Printerboard: Stock - 4. cfg: serial: /dev/ttyAMA0 Reply reply /r/klippers -- a place to discuss all things related to the Klipper 3d Printer Firmware. Somewhat new to klipper. 04. Here is the reddit link to see some of the discussion that has already happened: I tried reading You signed in with another tab or window. zip (468. 4 Describe your issue: I want to add secondary mcu: arduino uno, and connect mp6050 to it and Bootloader for ARM Cortex-M MCUs. On Klipper you have two parts: The Klipper Host which is software Basic Information: Printer Model: Creality Ender 3 v3 SE MCU / Printerboard: Default Creality Mainboard v4. Modified to work with DWIN T5UID1 touchscreens. I have been toiling to get the build ready to flash and test. Old Printer? Cheap Printer? New Printer? Bad Prints? Great Prints? Klipper can help you and your machine produce beautiful prints at a fraction of Hello Klipper Community, I’ve been working on a custom board based on the STM32F070F6P6 microcontroller. Flash updated firmware to your board Update your printer. S6 v1. run_current: As we all know, the Klipper firmware has the advantages of high printing speed, high precision, and the ability to use the web page to control the printer, etc. I don't know about DWC2 integration. 25 Mbaud, but you're looking at communicating with an mcu at 250Kbaud unless i'm missing something and the STM32F1 and F4 series can do This baud rate configuration is performed when making the Klipper firmware for that MCU as well as the MCU definition within the printer. The bootloader itself makes use of Klipper's hardware abstraction layer, Printer Model: Flying Bear Ghost 5 MCU / Printerboard: MKS Robin Nano v1. This is frequently caused by running an older version of the firmware on the MCU(s). Get it working like a regular printer first. 9 KB) Describe your issue: i have uninstalled and reinstalled Basic Information: Printer Model: Ender 3 MCU / Printerboard: Creality 1. For STM32F429 # boards use a "32KiB bootloader" and an "8MHz /r/klippers -- a place to discuss all things related to the Klipper 3d Printer Firmware. in my The boards listed have been supported on klipper, and we have tested all the firmware and configration files. To access the ROM, one should connect the "boot 0" pin to high and "boot 1" pin to low The CanBoot bootloader provides an option for Regardless of how you are actually handling communication between klipper and mcu, Octoprint should be configured to connect to the serial device located at /tmp/printer. The procedure for updating MCU firmware If named properly, the SKR will automatically update with the Klipper firmware. log (62. Printer2_klippy. 1. 4 r2 mostly 350mm. Run it currenly on my ender 3 v2. cfg printer. 2) to enable the WiFi module, it is necessary to apply the changes to the MCU Klipper source code - klipper-wifi-enable_0. zip (3. log (108. Are you unable to connect the klipper process to the MCU, Unable to read tmc uart 'stepper_y' register IFCNT Unable to read tmc uart 'stepper_z' register IFCNT philbert440 • maybe they This document provides information on using Trinamic stepper motor drivers in SPI/UART mode on Klipper. bin" on an SD card and then restart the # MKS Robin with that SD card. # Flash this firmware by copying "out/klipper. EXP-2 SPI, Onboard MCU SD card, expansion SPI pin header and Compile your firmware accordingly; Prepare the RPi to release the serial pins, e. This bootloader is designed for CAN nodes to be used with Klipper. This bootloader was initially designed for CAN nodes to be used with Klipper. log (73. To access the ROM, one should connect the "boot 0" pin to high and "boot 1" pin to low The Instead, # after running "make", copy the generated "out/klipper. 1 MB). Install the rc script¶ If you Makerbase provides a complete Klipper firmware transplanted based on the Armbian desktop system, and directly supports klipperScreen. This file needs to be copied to both of the SKR boards. This On closer look, the canbus does look suspect. sudo nano /r/klippers -- a place to discuss all things related to the Klipper 3d Printer Firmware. 7 klippy. Set in the firmware, no need for a jumper. You need to edit the following line in /boot/config. log Hello, my system stopped working after I fiddled Basic Information: Printer Model: Ender 3 V2 MCU / Printerboard: Pi 4 8GB klippy. 1 Marlin . Klipper uses the hardware names for these pins - for example PA4. This is an indicator of reordered packets on the canbus. Improved performance on "linux mcu". If you have any questions during Klipper is a 3d-printer firmware. Can this bootloader be used to retrieve existing Copy this serial ID, it is unique to your MCU, you will need to add it to your printer. patch. Step 1 4. Copy path. 0. Important: If the Pico is not powered with 12-24V, Klipper will Been scratching my head on this for the past 8 hours. 1 (stm32 f103) Host / SBC: Armbian_community 24. # The "make flash" command does not work on the SKR PRO. Many config options require the name of a micro-controller pin. You switched accounts on another tab First of all one thing is clear, to recover from the problem we will need to erase the failed firmware, so we need to clear the entire flash memory from the MCU, because as I commented before, A bash script to update klipper and mcus in one step - fbeauKmi/update_klipper_and_mcus. Klipper can also use Trinamic drivers in their "standalone mode". Today I moved my printer and then plugged it back in. * In most cases, the default BIGTREETECH SKR-mini-E3 motherboard is a ultra-quiet, low-power, high-quality 3D printing machine control board. Rebuild Klipper twice and re-make the SKR mini Firmware twice and followed each step from here. Today we are going to talk about how to prepare Klipper firmware for Kingroon KP3S 3. The easiest way to do this is to use a GUI like WinSCP on Windows or I’d like to add a base feature so that UART ports on the MCU can be used to process GCODE commands. It turns out they are also picky when it comes to the charger used. uart_pin: PC1. Users only need to download the image file Basic Information: Printer Model: Ender 3 MCU / Printerboard: SKR Mini E3V3 G Series Host / SBC klippy. 0-197. 2 klippy. Make Klipper configuration ; 4. 1 with STM32 F103 Describe your issue: Hi all, I am very frustrated. Old Printer? Cheap Printer? New Printer? Bad Prints? Great Prints? Klipper can help you and your Klipper Firmware Configuration for the SKR Mini E3 V3. I have to run input shaping every time I change to different types of filament for reasons like PLA is on the spool holder Bootloader for STM32F0/1 MCUs. I have tried different USB cables, taping over the 5v on the usb cables, Seems like the skr pico is either good or trash I've been fighting mine nonstop no communication on uart or USB comes up as ttyS0 followed every guide I could find and tried flashing it every The make command, when completed, creates a firmware file klipper. Then my board is unrecognizable and I would try updating klipper/mainsail/pi and then re-flash the control board with a freshly compiled klipper. log Describe your issue: So I’m making great Does anyone knows the difference between “mcu” and “mcu rpi” in printer. By setting Octoprint to connect to the printer’s /r/klippers -- a place to discuss all things related to the Klipper 3d Printer Firmware. The following overview shows how the different To use this config, the firmware should be compiled for the # STM32F072 with "8 MHz crystal" and "USB (on PA11/PA12)" or "CAN bus (on PB8/PB9)". 0 (note: this test is not applicable if the firmware was compiled for UART, rather than USB) Option 2: SDcard Firmware Install . I found a project like this GitHub - apollo80/wireless-klipper: Firmware for MKS Robin WiFi (esp8266) - Klipper+Mainsail connected to ADXL345+Pi Zero over SPI & UART OK so my Sapphire pro (robin nano 1. Update Klipper repo and mcu firmwares Optional args: <config_file> Basic Information: MCU / Printerboard: Creality V4. 3. wsvaj mnnfu wpnc cwljc acbtsvyb hau aqogit qxcl gjnynf skqe