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BTT Octopus V1.1 Supports Raspberry-Pi Online Printing
You can use DuPont cables to connect the Raspberry-Pi via the SPI or UART expansion serial port, or you can use the Type-C USB virtual serial port to connect the Raspberry-Pi to print.
Tips : 2. It is recommended to use a TF card to upgrade the firmware. Improper use of DFU may easily cause the loss of BootLoader.
3. Regarding the DFU update boot program: Please follow these steps: BIGTREETECH-OCTOPUS-V1.0/Firmware/DFU update boot program/Octopus
BIGTREETECH Octopus V1.1 32bit Control Board
Uses high-performance 32-bit ARM Cortex-M4 series STM32F446ZET6 main control chip with a core frequency of 180MHz.
Support Canbus;
Support Klipper&Marlin;
Onboard EEPROM (AT24C32);
Support 8 axis stepper motor driver;
Use high-performance MOSFET tubes;
Support SD card offline printing and USB online printing;
Tips: 1.Before powering on, make sure that all wires and jumper caps are correctly and completely plugged in.
8 Axis Stepper Motor Driver
BIGTREETECH Octopus V1.1 32bit control board support 8 axis stepper motor driver, support STEP/DIR, UART mode.
6 CNC Fans and 2 Always-on Fans
BIGTREETECH Octopus V1.1 supports up to 6 controllable fans, two normally-on fans, and both support power supply voltage (24V) 12V, 5V selection.
CAN BUS
BIGTREETECH Octopus V1.1 support Can BUS, use 6P6C RJ11 Can adapter cable interface, realize CAN function,convenient for future expansion.
Thermistor input protection
BTT Octopus V1.1 control board onboard thermistor input protection, prevent the heating rod's electricity from entering the thermistor and burning the mainboard.
Uses USB-C Interface
BTT Octopus V1.1 mainboard uses Type-C interface and supports online printing. Insert the jumper cap into the 5V USB power supply jumper cap port, Type C can power the MCU, convenient computer firmware burning.
Extensive interfaces for DIY
BTT Octopus V1.1 motherboard support 4 Hotend Heaters, 6 Endstop swithches, 2 Fil-DEF interfaces, Bltouch, Microprobe, Eddy v1.0, shutdown after printing, power-off and resume printing, RGB light bar, IIC expansion...ect.
Amanda G.
Reviewed in the United States on February 3, 2025
It took a lot of youtube and chat gpt but I got it working. This is for a scratch build and my first printer. Take your time and it will work.
Adrian J.
Reviewed in the United States on September 30, 2024
This is the second one of these I have bought for different projects. This one is going into my Voron Trident build. Easy setup, works great. No complaints.
pXnEmerica
Reviewed in Canada on March 21, 2024
New motors, pulleys, drivers and this board, my printer now moves like it will hurt you if you were to stick your fingers in the wrong spot. Excellent.Before with a stock board with onboard drivers doing the same would make it skip steps. I've got room to upgrade with this which is great. Kinda wish the thermistor chip wasn't a tiny smd mod, but otherwise this seems like a great board so far.
Jay
Reviewed in the United States on November 4, 2024
Very well made motherboard
Justin stockert
Reviewed in the United States on November 25, 2024
First board worked for a month or two, worked out the kinks and finally started printing. It shuts down and then refuses to connect to my Rpi and now it just exploded…. shows how reliable these boards are
Customer
Reviewed in Canada on April 30, 2024
This thing is a true multi-tool of a printer control board, covers just about anything even the most advanced printers could possibly need.
Lucas
Reviewed in the United States on April 3, 2024
If you want a fully loaded motherboard for your 3D printer, this is it. Its impressive how many ports and features on the board. Follow the guides online, or find some useful Github repositories and youll be up and running in no time. I personally use it in my Voron 2.4, works great and has supported all the extras i've added.
The Customer
Reviewed in Canada on July 9, 2023
Used as a massive major huge upgrade for my sidewinder X2. Lots of motor, fan and sensor i/o make this the perfect board. Marlin 2 firmware compiled for it without any issues (once you get your toolchain all set up).Now running independant Z axis, inductive sensors on x,y and z and I'm about to re-add the filament runout sensor, and some RGB LEDs.Perfect for the DIYer.
Jordan Thomas
Reviewed in the United States on March 17, 2023
Used for Voron 2.4 R2 350. works fine no problems. this would be my second one if I hadn't fried the first one, which was MY FAULT lol.
COLIN D LORD
Reviewed in Canada on December 29, 2023
For the applications in 3d printer builds I do, it works like a charm.
Dennis A
Reviewed in Canada on April 3, 2023
This board has everything except thermistor amplifier. If you need the very high temperature amplifier then get the PRO version. Great in every other way, multiple voltages for everything, lots of plugs for every option imaginable. If you have a printer build with multiple heads or z steppers, this is the one you want. Great price too!
Dennis R Millard
Reviewed in the United States on September 4, 2021
I bought this for my Mendelmax build that I've been working on. The title says "Octopus v1.1" but for some reason I received an "Octopus v1.0". Whatever. I finally got around to wiring it up and trying it out. BigTree has firmware on github for Marlin, Klipper, and RepRapFW. I tried Marlin first. Got it communicating, but the endstops were not working. I finally gave up on Marlin and switched to RepRapFW. Got it working after lots of fiddling. I purchased the WiFi module to go with it, but when the WiFi module is installed, the board won't boot. Still trying to understand why. I managed to get RepRapFW working and doing what I need it to, although I still have some tuning to do before I get decent prints. I'm not familiar with Klipper, so I haven't tried it yet. Bottom line- this board is for advanced users. If you are not comfortable figuring out wiring and poking around the source code, you should stay away because the support from BigTree is non-existent. There is a user manual with some sparse details. Best thing about this board is that they provide the schematic, so at least I can figure stuff out myself. I've been to their web site and tried to ask questions on their "forum" but I cannot register. Their generic wordpress forum complains that it's not configured to send email properly, which means my account cannot be verified, and I have never managed to post a question on their forum because of this. I tried to let them know through another email address on their site intended for "warranty and refund" but I still got no response. Looks like if you buy this, you are pretty much on your own. BigTreeTech- if you are out there, please at least fix your forum registration process so I can maybe connect with other users and we can help each other solve our own problems!
Carl T.
Reviewed in the United States on December 9, 2021
The board overall is well made and the connections are robust. I chose this board to update one of my printers to dual z axis and dual extrusion. Could have gone with SKR Pro, but I liked the fact I could set the voltages for various components like fans and inductive sensors. I have a mix of12 and 24 volt fans running, with no extra hardware to modify voltage.Setup info Isa little.scarce but if you Google."BTT octopus setup" you should find a guide. Even Wifi was easy to setup. You simply had to drop the firmware file on the SD card labeling the wifi firmware "esp3d.bin" the bootloader does the rest. Very critical you name the firmware files appropriately. Would hate to flash the wrong firmware on the wrong board. Overall working well and happy with my purchase.
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