Arduino nano klipper. If its not there, going to try Mega2560.

In klipper/out, you will now have the file you need, klipper. I tried an Arduino Nano as well, but the latest version of Klipper wouldn’t compile for the Atmega 328p (insufficient memory, I think). His vocabulary may be limited, but that doesn’t stop him from showing the full range of emotions through body language. Share. And run a make clean. ly/3eTbxh2DW3DHigh Quality Haftmittel von 3D FoxLab: http://bit. The method 2: Copy mks_mini_12864_v3. 3 board which all went wellexcept the hall endstops the previously worked fine on the DUE are send like 1. The comments at the top of the printer configuration file should describe the settings that need to be set during "make menuconfig". Select Upgrade to update the RPI image and Update to install updates for Klipper, Mainsail and Moonraker. 接着替换掉中间的mcu地址. If planning to use I2C for the . If its not there, going to try Mega2560. cfg add [include mks_mini_12864_v3. Click on the ‘Program Target Device Memory’ button. log (1. But there are problems with connection. Support MKS TS35 touch Screens. Wondering if somebody could help me log BME680 data to a log. ️ Cursos de impresión 3D, robótica, electrónica y The Arduino Nano does not include any built-in pull-up resistors nor a 3. See the features document for more information on why you should use Klipper. config-change anything you don’t need from y to n. mcu ‘nano’: Unknown command: i2c_write u guys know how to solve this problem ? i use a laptop as my main klipper MCU, so i need a usb arduino based accelerometer for my resonance testing. The manual method is less accurate and more time-consuming. Klipper firmware. I was thinking that must be the same . Mar 13, 2021 · I want to use Arduino Nano as a secondary MCU, only for the ADXL345. Mounting the accelerometer ¶ The accelerometer must be attached to the toolhead. cfg from a web interface. Dec 3, 2023 · Basic Information: Printer Model: Sapphire Pro / Panda Cube. In the above example, 11aa22bb33cc is the micro-controller's "canbus_uuid". 1) on Arduino Uno, we choose Synthetos’ gShield as the best CNC shield, while V3. I need Klipper to send the current temperature and start signal to the Arduino via I2C, SPI, or UART. The BME680 contains a MOX sensor that senses the presence of most VOC gases. Note that this links the board to the physical USB port, so if you move the board to a different port it will have a different path. For receiving you need RX pin also, and i think a 1k ohm resistor between them (PIN 16). Arduino is about reducing the amount of unnecessary complexity involved. The Nano board is quite small compared to the Uno board measuring approximately 18mm x 45mm whereas the UNO measures 68. The upgrade changes are quite large, including upgrading the MCU to the M4 core, and adding support for USB disk. • 2 yr Klipper has built-in support for the ADXL345, The Arduino Nano does not include any built-in pull-up resistors nor a 3. cfg Anybody knows what im missing? I flashed the nano from another computer running Windows linux subsystem, from there i do get a deviceid, so im not sure if im not doing something Klipper Nano Expander. 11. Arduino Team — July 3rd, 2021. cfg file uses pin names that start with the prefix "ar" instead of "D" (eg, Arduino pin D23 is Klipper alias ar23) and the prefix "analog" instead of "A" (eg, Arduino pin A14 is Klipper alias analog14). One recent process I have requires eight thermocouples Note that the sample-aliases. Oct 4, 2023 · Basic Information: Printer Model: Ender 3 MCU / Printerboard: Creality 1. To begin using Klipper start by installing it. 0. MKS Robin Nano is a powerful 32-bit 3D printer control board with STM32F103VET6. I want to use an Arduino Nano as a second MCU. For Operational Flow, check check Erase, Program, and Verify (this is the default setting). It is typically used to flash a new application (eg, Klipper) to the micro-controller without Jul 25, 2020 · The BME680 sensor module is a 4-in-1 digital sensor that combines gas, pressure, temperature and humidity sensors. ly/3eOgFDwHigh Quality Filament von 3D FoxLab: https://bit. Be sure to check our “Knowledge Base” Category first. Use /dev/serial/by-path instead of by-id. Thanks Change to your klipper directory, should be a sub from home. Did not check V2. 5 KB something like this, but for your integrated, example: analog 3 in klipper it would be PC3 system Closed May 29, 2024, 9:49pm Feb 13, 2024 · For GRBL 1. Unknown pin chip name ‘probe’. Used this procedure: Hello, Ive been having troubles setting up an Arduino Uno as a second mcu to then use for an input shaping accelerometer. Please, help me with this. I can Upload the ArduinoISP to the mega, no problem, but when I want to Burn Bootloader I can't. Mar 30, 2024 · ATMega328P-Arduino-Uno-Pin-Mapping 700×450 35. See the installation document for information on setting up Klipper and choosing an initial config file. X. 4 dont do that. You've heard about Klipper: it's fast, great, and fixes your printing problems! Here's how to join in, and how to separate hype from truth. To build and install the new micro-controller code, run: sudo service klipper stop. Thank you, both, for the answers. With the Raspberry Pi connected to the Duet 2 WiFi via USB, power on the RPI and SSH into the Pi. log. I have connected the pins : mega - 50,51,52,53 -> Slave/Nano iCsp pins (did this and rechecked 5 times) As in photo. meme3d. Then you will need to do a make menuconfig, and run throught he setup for an arduino, pick the correct model of board you are building for. Long answer: Klipper uses the standard pin names defined by the micro-controller. To compile the Klipper micro-controller code, start by configuring it for the "Linux process": cd ~/klipper/. cfg file. Thanks! See delayed-gcodes. You switched accounts on another tab or window. I used their config for it and modified it correctly, I think, but when I start Klipper I get Mar 14, 2021 · [klipper] Arduino Nano as a secondary MCU. GitHub Gist: instantly share code, notes, and snippets. Ive gone through all the steps in KIAUH, but i fail to compile the firmware for the 328p processor versions of Welcome. Use sufficiently high speed, around 80-100 mm/sec, for external perimeters. 4 and it would work exactly the same since all of the math for movement is done on the Raspberry Pi. log I did not find a cfg for this board, the bad thing is that I think the motors share enable and I don’t know if it is possible to use it with klipper, In this case I am only interested in moving the motors, nothing more, since I want to try to make a CNC Jan 25, 2024 · Describe your issue: Yesterday I updated klipper via the normal update manager. For example, # usb-Klipper_rp2040_E661640843545B2E-if00 serial: /dev/serial If you are handy with electronics you can just build a board with an arduino nano and a single stepper driver and configure that as an additional mcu. klippy (3). I run klipper on an old laptop with ubuntu on it and getting a raspberry pi is sadly not possible at the moment. I don't think this is a job for Klipper. 2 or 0. with the same results when I looked at the ports using “lsusb” on the rPi. Mar 31, 2022 · Let’s say the Arduino needs to know the temperature of the extruder and a start signal for a process. Dont want to connect that accelerometer to RPi, because i have display connected in RPi's GPIO. Infill and top layers can be set to 0. They oscillate between +-1 degree in one second. Open the file in a web browser or text editor and look for these instructions near the top of the file. 0 CNC shield. The DRV8825 driver chip has several safety functions built-in like overcurrent, short circuit, under-voltage lockout, and over-temperature protection. Meaning; current & microsteps without fiddling with jumpers or that pesky potentiometer. 8v on open and 3. Have installed FluiddPi and Klipperscreen. Klipper has built-in support for the ADXL345, MPU-9250 and LIS2DW compatible accelerometers which can be used to measure resonance frequencies of the printer for different axes, and auto-tune input shapers to compensate for resonances. The second is to use an accelerometer like the ADXL345. 3 models. You should be presented with a screen that looks similar to the one pictured above. This document provides information on common bootloaders found on micro-controllers that Klipper supports. The classic Nano is the oldest member of the Arduino Nano family boards. And yes, I was able to flash it, but my host OS (openSUSE Leap 15. Award. 4mm. Also, for restart method, use arduino, not command, or else it won't fully reset. I've considered using one on my hotend to talk to the ADXL. [2] Klipper Nano Expander, an Arduino Nano Shield to be used as an auxiliary Klipper MCU - orobardet/klipper_nano_expander Note that the sample-aliases. hex file need to be recompiled for the other MCU. Personally I either rather get a better board or use a klipper expander board. Analogreference Arduino Nano enabling in Klipper. I found some klipper docs saying that to flash the uno i needed a avr isp and that i could also use another uno to flash the other one with klipper. TB6600 Stepper Motor Driver with Arduino Tutorial. Going to look for 328p option in menu. 1 our favorite CNC shield is the CNCTOPBAOS CNC shield. Jun 22, 2022 · jakep_82 June 22, 2022, 1:48pm 2. 5) had some library version conflicts, so I’ve decided to build and flash Klipper from a Mar 14, 2021 · To: klipper@xxxxxxxxxxxxx. First, install Klipper, then Moonraker (HTTP API for Klipper), then fluidd (web interface for klipper that uses Moonraker). Mounting the accelerometer Note that the sample-aliases. 6k. Reload to refresh your session. I am planning to make a 3d printer using two cnc shield v4 and two of this LGT8F328P-LQFP32 MCU. No idea how to flash the arduino and since im running klipper in a ubuntu server vm i dont have a raspberry pi to use with the adxl345. Mar 7, 2024 · There are practically two ways of configuring the input shaper feature in Klipper firmware. Sep 7, 2022 · Just as an additional few datapoints. hex file. Only require an Arduino Nano +5V optional external power supply with fuse Connected to the Arduino Nano 5V; Only required if you need more than 500mA power, else the Nano power supply should be enough Nov 5, 2023 · Klipper+Fluidd (no Octoprint)…it works well and object are good printed. Triangles: 26. 1. Klipper has built-in support for the ADXL345, The Arduino Nano does not include any built-in pull-up resistors nor a 3. Features. nano: Current version v0. Robin nano V3 is an upgraded version of Robin Nano V2. For me this was: CONFIG_WANT_GPIO_BITBANGING=n CONFIG_WANT_DISPLAYS=n 首先，登录ssh先给这个主板刷klipper 就直接选2560就行了 cd ~/klipper/ make menuconfig 按 q 保存，之后make. Download 3D Model. Suggested layer height is 0. nano . Because its a arduino nano compatible board but…. "avrdude: Yikes! Invalid device signature. Support Marlin2. As long as you always use the same port for each board the path won’t change. hex file and click ‘OK’. enter the arduino uno and the adxl345 - arduino-Uno-adxl345-klipper/README. Nov 18, 2021 · I am using Clean Debian on Rpi4 (no mainsailOS), and also have Arduino Nano for ADXL, firmware install to nano (328p) not working, getting same errors. Is there any other way to use the ADXL345 sensor to measure resonances or only the manual method is left? you can use a PI pico, connect the ADXL to If you succeed here, you do the exact same config as you did for [mcu] except now with [mcu whatevername], and the correct baud rate for the arduino, and the new serial ID. The bootloader is 3rd-party software that runs on the micro-controller when it is first powered on. Like Baby Yoda, WALL-E was an instant fan-favorite Mar 4, 2023 · SinisterRj March 19, 2023, 3:16am 6. For GRBL (versions older than 1. Each device will have a unique identifier. AVR micro-controllers. So . command to reload the config and restart the host software. The pinouts are the same on the v1. Fill out above information and in all cases attach your klippy. Misurazione delle risonanze ¶. hex. From: "Jeffrey B. This sensor gives you a qualitative idea of the sum of VOCs/contaminants in the surrounding air. 5 + DUE and tried to graft onto old MKS 1. Another tips…using Arduino Nano, PB2 Pin (D10) didn’t work…I used PD2 (D2) system Closed December 6, 2023, 9:43pm Im a complete Arduino newb but moderatly good with klipper I stripped out an old delta that was running a RADDS1. 2 board. Jun 20, 2024 · I want ultra high performance and latest improvements in my 3D printer, with the help from Klipper software/firmware; Normally you should go get an Raspberry Pi and do everything (compile/install Klipper / OctoPrint) from there, but I don't have a Pi, don't want to mess with the cables, decided to run Klipper from my PC The Arduino Nano does not include any built-in pull-up resistors nor a 3. 3V power pin. Klipper does not use the Arduino names directly because we feel a name like D7 is too easily confused with the hardware name PD7. The first is to manually print a tuning tower and measure its ringing artifacts. 4 and Arduino Nano. Accelerometer ADXL345 wired to Robin Nano v1. fudor@xxxxxxxxx> To: klipper@xxxxxxxxxxxxx; Date: Sun, 14 Mar 2021 02:42:43 +0100; Hi. This document is a reference for options available in the Klipper config file. XoBoR June 22, 2022, 3:01pm 3. Once you have saved your config, run make. 5k. (iirc, it's not just an implementation matter, I believe the mpu6050 doesn't actually have enough bandwidth to keep up with what input shaper is doing) I have ordered this 3 times, they are about $3 each and are fully documented and easy to work with. Klipper has built-in support for the ADXL 345, MPU-9250 and LIS2DW compatible accelerometers which can be used to measure resonance frequencies of the printer for different axes, and auto-tune input shapers to compensate for resonances. Select your driver . Successors of the classic Nano are for example the Nano 33 IoT featuring a WiFi module or the Nano 33 BLE Sense featuring Bluetooth® Low Energy and several Apr 3, 2020 · I keep trying to change the old bootloader on my nano (update it) through the MEGA. Use 1-2 perimeters, or even better the smooth vase mode with 1-2 mm base. Vertices: 15. Film history is full of cute robots, but for our money, none are more charming than WALL-E. An Arduino Nano Shield to use with Klipper 3D printer firmware, as a auxiliary MCU. cfg config to printer. 0-197-ga3eebab4 Once the underlying issue is corrected, use the "RESTART" command to reload the config and restart the host software. Once the appropriate "menuconfig" settings have been configured, press "Q" to Saved searches Use saved searches to filter your results more quickly The arduino nano seems to flash ok, lsusb shows the arduino nano, connected but it doesnt appear on ls /dev/serial/by-id/ So i cannot add it to printer. Mounting the accelerometer Apr 22, 2018 · Saved searches Use saved searches to filter your results more quickly Mar 30, 2023 · Want to make some sense of the gas level sensor readings from it and be lot easier with more readings and log of them. It is similar to the Arduino Duemilanove but made for the use of a breadboard and has no dedicated power jack. log (190. Oct 20, 2023 · Đại lí máy in 3D uy tín: https://www. PCChazter September 12, 2023, 12:24am 7. elf. License The most easy way is to install via KIAUH . In V3 is seems to have direct pins for SPI, so its easier. So i got frustrated with my Orange PI PC 2 (more like linux), and wired the ADXL345 directly to my Robin Nano v1. Date: Sun, 14 Mar 2021 13:56:43 +0100. 8 on triggered for enstopsand Ihave wasted way too much time and pretty much no answers on Klipper except a bit Aug 1, 2021 · Note that you would still need to compile for the atmega328p - just that now you should be able to access the additional PEx pins. Note that using accelerometers requires some soldering and crimping. I searched how to setup this sensor using i2c with an Arduino Nano but couldn't find anything that worked right away. cd ~/klipper ; git fetch ; git checkout origin/work-atmega328pb-20190924 ; sudo service klipper stop ; make flash ; sudo service klipper start. More model information. Exit and save. 4 Describe your issue: I want to add secondary mcu: arduino uno, and connect mp6050 to it and do resonance test. cfg is not needed. Klipper reads gcode from a file, and commands an MCU, that's it. Jul 3, 2021 · Build your own adorable, talking WALL-E robot. You could use a super old Ramps 1. Oct 3, 2021 · This is all done from a terminal window on the computer (or pi) with klipper: cd ~/klipper make menuconfig-configure for the uno (atmega328p in my case), no changes to defaults for this chip. You will be able to edit printer. Nov 7, 2023 · nano: Current version v0. Reply reply 10F1 If uninitialized CAN devices are detected the above command will report lines like the following: Found canbus_uuid=11aa22bb33cc, Application: Klipper. Select Micro-controller Architecture, and select the Linux Process option. 0-311-g9e765dae-dirty-20231107_004816-klipper-To-be-filled-by-O-E-M Up-to-date MCU(s): Once the underlying issue is corrected, use the “RESTART” When these aliases are enabled, Klipper understands pin names that start with the prefix “ar” (eg, Arduino pin D23 is Klipper alias ar23) and the prefix “analog” (eg, Arduino pin A14 is Klipper alias analog14). Make sure that the minimum layer time is at most 3 seconds. 1 Like. 0-311-g9e765dae-dirty-20231107_004816-klipper-To-be-filled-by-O-E-M Up-to-date MCU(s): Once the underlying issue is corrected, use the “RESTART” command to reload the config and restart the host software. Feb 11, 2019 · This driver can be used with the same code as the A4988 and has a current rating of 3. This makes the Nano board an ideal choice for projects where space is a constraint. Klipper is a 3d-Printer firmware. According to guide: Optional: Enabling I2C¶ Make sure the Linux I2C driver is enabled by running sudo raspi-config and enabling I2C under the “Interfacing options” menu. Note that the canbus_query. Let me know your results (success or failure). However, creating things with embedded systems is inherently a complex endeavor. I also tried the Robin Nano V3 Klipper build provided by MKS here: MKS Robin Nano V3 Klipper Build. Raspberry Pi Pico. Additional pins for servos, rgb lights, fans. Oct 20, 2023 · The Hyped Firmware Made Easy! How to Install Klipper: Step-By-Step Tutorial. For what it's worth, if you're running Klipper then the MCU doesn't matter in the slightest other than having enough slots for drivers / thermistors / endstops / etc. 4 KB) I’m trying to setup a Fly USB ADXL345 on an Orange Pi Zero 2. md at master · jgarder/arduino-Uno-adxl345-klipper Measuring Resonances. Since then I get this error: "Klipper reports: ERROR. Everthing works so far, but my temperature readings are pretty noisy. Rogers" <sgtnoodle@xxxxxxxxx> To: klipper@xxxxxxxxxxxxx; Date: Sat, 13 Mar 2021 18:30:44 -0800; Hi Tomáš, Compiling the code for the atmega2560 isn't going to work on an atmega328p. Welcome. Dec 12, 2023 · Before reflashing my printer firmware, I’ve tested the various components I had with klipper installed on an Arduino UNO connected to an AMD64 laptop, everything worked just fine. 5 A. For GRBL on Arduino Nano, we have chosen the Keyestudio V4. You can using the Pi to drive steppers, there is multitude of boards online you can choose from, but you still need to buy something. 2 & v1. The method 1: Copy mks_mini_12864_v3. Mar 15, 2022 · Mein Github Repo: https://bit. richie225. cfg, in printer. [adxl345] cs_pin: arduino:PB2 spi_software_sclk_pin: arduino:PB5 spi_software_mosi_pin: arduino:PB3 spi_software_miso_pin: arduino:PB4 TroubleShooting If your Arduino klipper firmware wont compile check here if your using ubuntu and cannot find your MCU path try -b250000 (or a slower baud rate) if you are out of sync and get stk500 errors when Mar 11, 2024 · Basic Information: Printer Model: none MCU / Printerboard: Arduino uno; Shield Cnc V3 klippy. klipper arduino nano flashing command. This is my first project. Printer is halted". Double check connections and try again, or use -F to Nov 7, 2023 · Topic Replies Views Activity; Mcu protocol error. cfg file to same as path with printer. 51 is the best cheap CNC shield that has a removable driver design. MCU / Printerboard: Skr 1. 25 mm. 6mm x 53. cytrontech. I want to use Arduino Nano as a secondary MCU, only for the ADXL345. Klipper is Free Software. ly/3 Jul 24, 2020 · Here is a simple code to get TMC2209 working with basic functionalities. Pasting your printer. make menuconfig. Mar 20, 2017 · Arduino Nano Altimeter Using GY-BMP280. Edit on GitHub. make. The idea is to use the Arduino as a custom controller for standalone sub-processes. This is a 3d model of the arduino nano board (there is another texture above but sketchfab don’t want to show it) License: CC Attribution. Once the underlying issue is corrected, use the “RESTART”. make flash. My normal thermistors for the Hotend and Bed on my SKR 1. From: Tomáš Fúdor <tomas. General Discussion Let's say the Arduino needs to know the temperature of the extruder and a start signal for a process. The motherboard integrates 5 AXIS interface, hot bed, 2 heating heads, 3 NTC100K, 1 MAX31855. As a result you should open fluidd interface in a web browser that connects successfully to Moonraker. The descriptions in this document are formatted so that it is possible to cut-and-paste them into a printer config file. 1, v1. You only need one UART wire, just TX (PIN 17) to get it working. py tool will only report uninitialized devices Apr 6, 2023 · The size of the board is also a factor to consider when choosing between Arduino Nano vs Uno. Everything worked perfectly fine Mar 13, 2021 · [klipper] Re: Arduino Nano as a secondary MCU. None of the other solutions worked for me to Apr 1, 2024 · Basic Information: Printer Model: Ender3, Orange Pi Zero 2 MCU / BTT E3 mini V3, klippy (2). com/?sld=nguyenvinh87Mạch Raspberry Pi: https://www. You signed in with another tab or window. Dec 10, 2023 · I think there is definitely room for improvement in improving the user experience for the Nano ESP32, bringing it closer to the "Uno experience". as a workaround, I flashed the HEX file using Windows with xLoader_V1_339 (V1. cfg] Tips: If you use FYSTC Mini12864 or BTT mini12864 on MKS board, same method as MKS MINI12864 V3. I had to change some stuff in the default library to get it work with my sensor and wrote a simple sketch to store the data and display it to the serial monitor. In the menu, click Device > Select…. Navigate to the Machine tab on the left. Reply. In contrast, using an accelerometer automates a lot of arduino_nano: Current version v0. by Jonathan Charnas Published Oct 20, 2023. 0 did not work) It's the only accelerometer model supported by klipper. make完成之后找到mcu地址. I can query the data using this macro: [gcode_macro QUERY_ENVIRONMENT] gcode: {% set sensor = printer [“bme280 Enviro”] %} {action Dec 19, 2023 · I have two arduino uno, one with the atmega328p-pu and another with the atmega328pb I can’t flash klipper in either of them; when I try to generate the firmware for the atmega328p-pu: ##### Building firmware Aug 22, 2022 · APRENDE a instalar Klipper 3D en tu impresora 3D para poder imprimir más rápido y con muchas más calidad. 8. Measure resonances externally with ADXL345. I’ve Followed the instructions on the manufactures Github and despite that 😆 I’ve gotten the firmware loaded on it. cd ~/klipper/. I'm running klipper on OrangePi Zero2 and I'm unable to make SPI work or use arduino nano with klipper firmware that is connected as a slave via USB. vn/c-raspberry-pi-main-boaảdThẻ nhớ (SD/macro Oct 30, 2018 · » [klipper] Flashing an Arduino Nano with an ATmega328P (old bootloader)- Martin Malmqvist » [klipper] Re: Flashing an Arduino Nano with an ATmega328P (old bootloader)- gueee » [klipper] Re: Flashing an Arduino Nano with an ATmega328P (old bootloader)- Martin Malmqvist Step 2 Configuring Mainsail. log file (use zip to compress it, if too big). I plugged the Robin Nano V3’s USB port into a Mac and did an “ioreg -p IOUSB” command and got the results: +-o Root <class Configuration reference. 6. Using a docker with Debian: buster worked ( docker run -it --rm debian:buster) , so this workaround should work also: Firmware no longer builds for Atmega 328p · Issue #4938 · Klipper3d/klipper · GitHub. I hope this is right place to ask questions like this. You'll see this clearly indicated on the arduino LEDs when you restart klipper or the firmware. sudo service klipper stop Jan 29, 2024 · Click the Cable button, select USB, then click Open. You've heard about Klipper: it's fast, great, and fixes your printing problems! 6. It combines the power of a general purpose computer with one or more micro-controllers. Once the updates are complete reboot the RPI. In the menu, set "Microcontroller Architecture" to "Linux process," then save and exit. Read the documentation or view the Klipper code on github . Apr 24, 2022 · Has anybody used an Arduino Nano as a secondary mcu with a ULN2003 stepper driver and a 28BYJ-48 stepper? I want to use this combination for a simple nozzle cleaning device and would need some help for the Klipper configuration. 3 MB) klippy. Click File > Load HEX File…. ls /dev/serial/by-id/* 刷入主板. I am not very familiar with Raspbian and things around. Unable to connect Once the underlying issue is corrected, use the "FIRMWARE_RESTART" command to reset the firmware, reload the config, and restart the host software. Building the Linux Process Controller code is the next step in the setup process. Mar 14, 2021 · I am not very familiar with Raspbian and things around. Oct 30, 2018 · My micro controller is a chinese one that should be ATmega328P-MU When I upload a sketch in de Arduino IDE the only changes (from MEGA2560 or the UNO) i have to make is: -board-> Arduiono Nano -Processor-> ATmega ATmega328P (Old bootloader) -and USB to the right port of course Then it works flawless. You signed out in another tab or window. xk jk wd gy ub cc tr km lf qy