3d cad drawing 2 phillips head driver
As many of y'all know, BigTreeTech (BIQU) is the manufacturer of one of the most widespread electronics on the market, the famous SKR v1.4 / SKR v1.iv Turbo, of which nosotros wrote an extensive article ago some time: Complete guide SKR v1.4 / v1.4 Turbo with TMC2209 drivers and Sensorless.
Now BigTreeTech has launched a new revision of these electronics, whose proper name is BTT SKR 2, to try to replicate the success of its previous version with powerful hardware and some very interesting news.
And equally we usually do in 3DWork, we are going to analyze a little what these new electronics offering and how we tin can configure them to become the most out of them in our 3D printers.
Let'south finally go to the commodity, I hope and hope that it will be of use to you lot:
Brief introduction
Before continuing with the commodity I would like to remind yous every bit always that nosotros accept a large community in our Telegram channel. There we usually share all our doubts and experiences. If you want to be role of it, practise not hesitate to join united states.
You can too find a lot of help or resources directly in the Telegram grouping of SKR, as well every bit other help guides in our Telegram Bot @ThreeDWorkHelpBot
Where can I buy the BigTreeTech SKR 2?
I leave yous some links to the electronic ones mentioned in today's commodity. Information technology is my duty to tell you that they are links to online stores (affiliates).
If you lot apply them, the toll of the product will be the same every bit if you log in regularly, but 3DWork volition have a pocket-sized commission left to help maintain this website (and I volition be eternally grateful).
| BigTreeTech SKR 2 |  |  |  |
If you wish, and as an alternative, you can also use our Markets.sx component search engine, where you can compare prices on different sites (Amazon, Aliexpress, Banggood, etc.) with a unmarried search very easily.
What's new in the BigTreeTech SKR 2?
As always, we commencement with the diagrams of the board, which volition aid the states quickly and visually to encounter all its innovations and improvements introduced with a format, in terms of size, very similar to that of previous electronics.
Some of the important improvements that we tin observe in this new SKR ii electronics from BigTreeTech are the following:
- New and more than powerful microprocessor (or MCU)
- Protections on the thermistor connectors
- Thermal protections
- Driver protection (if they are placed in the incorrect position)
- Sensorless jumpers and avert cutting pins in drivers
- Defended wifi port
- 3 controllable fans
- SD interface improvements in improver to including a USB connector
- Board
- Pinout
- Size
Technical specifications
In the post-obit listing you can detect the technical specifications of the SKR 2 electronics:
- Size 110mmx85mm, in the previous department y'all take a diagram of the board
- ARM Cortex-M4 STM32F407VGT6 MCU at 168Mhz … a real beast !!!
- Supported input voltages DC12V and DC24V, using three.3V as working voltage
- Marlin, RepRap Firmware and Klipper firmwares support
- Wifi connector for ESP-12S / ESP-07S especially useful for use with RepRap Firmware
- I2C expansion connectors, Servos, Leveling, Relay, UPS, Filaments, Leds, etc …
- Commuter support TMCxxxx, DRV8825, A4988, etc … supporting SPI, UART, Stride / DIR interfaces
- Connectors for drivers Ten, Y, Z (with double motor output), E0, E1 … five in total each with interface for connection to servo motors
- Support for series impact screens, SPI touch screens and LCD displays
- Supports kinematics (depending on firmware) XYZ, delta, kossel, Ultimaker, CoreXY, etc …
A deeper wait at this electronics
As nosotros have previously mentioned, the SKR 2 is an development of the old SKR 1.4 introducing a big number of improvements and updates. Let'southward go into item below.
MCU, while its sisters SKR 1.3/one.4 mounted MCUs LPC176* the SKR ii has improved this aspect including an ARM Cortex-M4 STM32F407VGT6 MCU at 168 Mhz that will give extra power to our printer.
Thermistors, as nosotros have already mentioned, another of the slap-up improvements is the inclusion of protections in the parts where usually by manipulation or external hardware failure they can affect our board. In this instance, the thermistors have protection to avoid shorts that can destroy our board.
Fuses, irresolute from traditional blade fuses to replaceable SMD fuses that greatly improve the concluding paradigm of the lath, as you can run across in the image below.
MOSFETS, a very important part of our boards are the MOSFETS in charge of managing our bed and hotend as well as the fans. In the SKR 2 these accept been improved using a HYG090N06LS1C2 in addition to additionally including a G045P03 that serves to protect the plate confronting possible thermal leaks.
Fans (or fans), adding 3 controllable fans perfect to utilise as a layer fan, controlled cooling of the hotend and electronics. Yous have more information on how to use these in our fan guide at 3DWorkLabs.
USB and SD Carte, the SD Carte du jour part has been improved by using SDIO mode and adding a vertical USB interface.
WiFi, although its sisters already had a connector for the WiFi connection, in the new SKR 2 electronics information technology has been improved and fabricated compatible with ESP12S or ESP07 modules. Especially for later apply with RepRap Firmware.
Expansion, although they are not improvements with respect to previous versions, we remind you lot of the possibilities of improving our printer by adding leveling sensors, relay modules, UPS modules, Neopixel, etc …
- BLTouch
- Relay
- UPS
- Neopixel
- Raspberry
- Motor/Servo
A great improvement for our printers that can make it easier for u.s.a. to have a offset layer as perfect equally possible is the installation of a leveling sensor such as the BLTouch, as information technology is one of the most versatile.
Yous have much more detailed information in our BLTouch Guide or if you adopt an inductive sensor in this other Inductive Sensor Guide.
It gives us a control of the on or off of our machine in a controlled style, such every bit turning it off once the printing is finished.
Similar the relay module, the UPS allows united states of america to conduct out a correct emergency shutdown, especially if we use PLR (Power Loss Recovery) / print restoration in the event of power failure. You can find more than detailed information in the following guide.
Although information technology is not a direct comeback in the employ of the printer, the inclusion of a controllable led strip is very useful, either equally lighting of the printing area also equally upshot management.
We encourage you to review the Neopixel guide where y'all volition observe more detailed data.
If we desire to manage our printer remotely, something very interesting and powerful, we can employ Octoprint for example that is installed on a Raspberry normally.
Nosotros can connect this by the USB cablevision or directly using the GPIO of our Raspberry the TFT connector (or any other serial on the board like the 1 establish in the Wifi port).
The SKR 2 has interfaces to connect servo motors post-obit the following scheme:
Drivers, without a doubt 1 of the big changes in this revision on the former SKR 1.three/1.4 electronics is how the drivers interact with the rest of the electronics past including protections.
These protections will forestall the incorrect connection of our drivers as well every bit the inclusion of the much requested jumper to enable sensorless.
This unfortunately was eliminated in SKR 1.4 and forced us to "mutilate" our drivers in the case of axes other than Ten, Y or in the case of not using Sensorless, near which you can notice more information in our Sensorless guide.
You can review the different options in the available interfaces in the SKR two drivers in the following images:
- UART
- SPI
- STEP/DIR
- SENSORLESS
IMPORTANT Note!!!
The beginning SKR 2 units chosen REV A had a blueprint/component problem that precisely caused the failures that it was intended to solve in the TMC drivers.
This error was quickly fixed and all SKR ii electronics for sale are REV B version (with the new component corrected). In the following Google Docs document you can find more technical data nearly the problem with more details.
And of course, if you take an affected electronics, BigTreeTech offers three solutions that go from the refund of the price to the replacement of the affected components. You can discover information about information technology in this other link: Solve problem in affected electronics.
Firmware configuration
As always, all Bigtreetech boards pay special attention to maximum compatibility with the well-nigh pop firmwares on the market place.
In this case, the SKR 2 ensures optimal support for Marlin, RRF or Klipper firmwares, which means practically whatsoever 3D press surroundings.
Firmwares Marlin
Nosotros advise you lot to follow our Guide to "cook" your own Marlin that nosotros accept in the /Marlin section of our Telegram help bot @ThreeDWorkHelpBot
You can detect the sources of the official firmware hither.
Modifying "Platformio.ini"
In this file we must indicate the chipset that our board has, then we must look at the beginning of the file for the value "env_default" and alter it to the following:
default_envs = BIGTREE_SKR_2 Modifying "Marlin/configuration.h"
We suggest you to add a comment to whatever line that we modify, since later it will be much easier for us to find our changes for time to come consultations. For this we can add together:
In the case that yous practice not already take a comment, the line ... // 3DWORK In case you already have a comment ... // 3DWORK ... Nosotros will kickoff by correctly configuring the SERIAL and BAUDRATE for this machine, something primal for the correct operation of our TFT, USB or WIFI connection.
#define SERIAL_PORT i // 3DWORK SKR 2 ... #define BAUDRATE 115200 // 3DWORK SKR two ... #define SERIAL_PORT_2 -1 // 3DWORK SKR 2 ... #ascertain SERIAL_PORT_3 3 // 3DWORK SKR ii Now we will ascertain our MOTHERBOARD, which, as in the "Platformio.ini" file, indicates the type of chipset that our board carries and that allows Marlin to use 1 pin configuration or another.
#ifndef MOTHERBOARD #ascertain MOTHERBOARD BOARD_BTT_SKR_V2_0_REV_B // 3DWORK SKR 2
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