Best Biqu 3D Printer Controllers in 2026

【Main Control Chip】Adopt STMicroelectronics' latest G0 series main control chip STM32G0B1RET6 or STM32G0B0RET6;

【Three CNC Fan】Increase the heat dissipation controllable fan to reduce the printer temperature when the device is working;

【Increased Heat Sink】Redesign the drive heat sink, strengthen the drive heat dissipation capacity, and greatly improve the heat dissipation performance;

❤【32 Bit High Performance Microprocessor】TFT35 V3.0.1 touch screen uses 32 bit ARM level Cortex-M3 series GD32F205VCT6,120MHz frequency Microprocessor, which makes it an upgraded replacement of LCD12864

❤【Two Working Modes】TFT35 V3.0.1 Touch screen support UART serial port screen mode(touch screen mode) and 12864 screen mode,serial screen mode supports both SD card and USB stick printing.

❤【12864LCD Mode】The 12864LCD mode includes EXP1, EXP2, EXP3, where EXP1 and EXP2 are general motherboards LCD screen interface, while EXP3 is the LCD screen interface used by E3 series boards (like SKR MINI E3,SKR E3 DIP, etc.)

❤【Touch Screen for Ender 3 】Appearance size: 93*87mm, power input : 5V. This is a 3.5 inch full-color screen with ultra clear interface and responsive touch, it is designed for ender 3 3d printer especially, which can be a drop-in replacement for its original LCD screen.

❤【Two Working Modes】TFT35 E3 V3.0.1 touch screen support UART serial port screen mode (touch screen mode) and 12864 screen mode, it can replace original display of Ender 3 3D printer. You can enjoy two printing modes: SD card and U disk.

❤【More Extension Ports is Reserved】TFT35 E3 V3.0.1 display r eserve the extension port of filament breaking detection,automatic shutdown after printing,also WIFI function can be realized by external WIFI module through WIFI port.

⭐【Main Control Chip】BIGTREETECH SKR Mini E3 V3.0 control board adoptes the G0 series MCU-STM32G0B1RET6 or STM32G0B0RET6 ARM Coretex. integrated TMC2209 Silent stepper motor drive,Support runing Klipper&Marlin.

⭐【Heat Sink Design Upgrade】New upgraded to integrated large stepping motor driver aluminum heat sink,strengthen the drive heat dissipation capacity, and greatly improve the motherboardc heat dissipation performance.

⭐【Multiple Functions】It Supports BLTouch, RGB lights,Filament detection, Automatic shutdown,power-off reesume, Display supports TFT35 E3 V3.0.1/TFT35 V3.0.1/TFT28/TFT43/TFT50/TFT70 V3.0 touch screen as well as original 12864 LCD of Ender 3 printer.

The main control uses the ARM-level Cortex-M4 series with a 32-bit dominant frequency of 168 MHz STM32F407ZGT6 chip, performance is greatly improved.

Equipped with highly modular open source firmware Marlin2.0, it is convenient for users to DIY and further-development, to avoid the worry of not being able to master the core code.

Motor driver support :TMC2209,TMC2208,TMC5160,TMC2130,ST820,LV8729, DRV8825,A4988, etc.Display screen support: BIGTREETECH- 2.8 inch TFT,BIGTREETECH-3.5 inch TFT, LCD2004,LCD12864.

🌟【High Compatibility】SKR MINI E3 V3.0 Control board compatible with Ender V2 Ender 3/ende 3 pro/ender 5/ender 5 pro/CR-10 3D printer, the firmware is pre-install well before we ship out, you can select the firmware base on your needs.

🌟【Multiple Functions】It Supports BLTouch, RGB lights, blocking detection, shutdown function. What ’s more, it also supports TFT35 E3 V3.0/TFT35 V3.0/TFT28 V3.0 touch screen as well as original 12864 LCD of Ender 3 printer.

🌟【Superior Heat Dissipation Performance】New Upgraded SKR MINI E3 V3.0 main board is equipped with a large Aluminum heat sink of stepper motor driver instead of pieces small heat sink, this design is able to increase the heat dissipation performance of the motherboard by 20% which greatly strengthen the heat dissipation capacity of the driver totally.

※【32 Bit Microprocessor】: Adopted ARM Cortex-M3 series STM32F207VCT6 master controller chip with 32-bit CPU main frequency of 120 MHz, BTT TFT35 V3.0.1 touch screen can perfectly replace the LCD12864 screen for use.

※【Dual Working Modes】: BTT TFT35 V3.0.1 display enables two different modes, with options for either LCD12864 Encoder Mode, or the modern Colour Touch Screen Style. It also supports both SD card and USB stick printing.

※【More Reserved Extensions】 :TFT35 V3.0.1 touch screen reserves the extension ports of filament break detection, automatic shutdown after printing, also WIFI function can be realized by external WIFI module through WIFI port.

1.The Mini12864 display panel has RGB multi-color backlight and can support 8 RGB, which is even more cool.

2.With a SD card base on back, put slicing file into the SD card and select the file on the LCD, then can be printing.

3.Product comes encoder parameter adjustment can be achieved, and the file selection print.

⭐【Main Control Chip Features】This SKR Mini E3 V2.0 motherboard uses the STM32F103RCT6 main control chip, and its flash memory size is 256K.

⭐【CNC Fan】Because the fan on the SKR Mini E3 V2.0 control board is a CNC fan, you need to set the wind speed before using it. (Note: V2.0 version of the fan is not ready to use after power on).

⭐【Hot-bed Mosfet】The hot bed MOS tube uses WSK220N04, low on-resistance, larger heat dissipation area, and reduce heat generation.

🐙【Main Control Chip】: BIGTREETECH Octopus V1.1 motherboard adoptes ARM Cortex-M4 series STM32F446ZET6 32-bit microcontroller at 180MHz with 512Kb flash ROM. Notice: Input voltage only supports 24V, 12V is not allowed.

🐙【CAN BUS】BTT Octopus control board supports CAN Bus connectivity using an ethernet connector. This CAN Bus connection allows to expand control board with other expansion boards very easily.

🐙【6 PWM Fans Plus 2 】The Octopus Mainboard offers up to 6 controllable PWM fans and additional 2 without control with the possibility of voltage selection from 5V, 12V or 24V.The BTT Octopus also has 8 sockets for drivers, making it an ideal electronics for demanding machines.

☆【48V High Speed Printing】Motor voltage of SKR 3 EZ varies from 12V to 48V (need to use EZ5160 Pro driver for 48V) while SKR 3 varies from DC 12V to 24V. Higher voltage can extremely improve your printing speed and you can adjust it with a jumper cap. What's more, SKR 3 owns 2 normal fans, and the EZ version owns 3 normal fans, which can ensure the smooth operation of your printer and advance your printing quality.

☆【Safe Anti-misplugging Design】Wrong installation of drivers will not only cause damage to the drivers itself but even ruin the motherboard or catch fire. And according to our survey, 40% Users may misplug the drivers unintentionally. Our new arrivals SKR 3 EZ motherboard and EZ series drivers, featuring an unprecedented anti-misplugging design, can totally remove such hidden dangers to offer you a better and safer printing experience! (Traditional TMC drivers is still compatible.)

☆【Updates of Processor】The new processor of SKR 3 EZ controller is upgraded to 32-bit 480MHz ARM Cortex-M7 series STM32H743VI, with which the running speed and printing accuracy of SKR 3 controller is greatly increased by 30%+ while its working noise become lower. Its upgraded thermistor supports PT1000, exempting the need of external module.

🍀【New Upgrade of SKR 2】BIGTREETECH SKR 3 mainboard is the upgrade version of SKR 2. Its processor is upgraded to 32-bit 550MHz ARM Cortex-M7 series STM32H723VGT6.The running speed and printing accuracy of SKR 3 controller is greatly increased by 30%+ while its working noise become lower.

🍀【Robust Power System】SKR 3 controller board is equipped with TPS5450-5A power chip, which supports power input of DC12/24V and output current of 5A (peak output 6A ). With its robust power system, SKR 3 motherboard can firmly will be the perfect supporter for your Raspberry PI.

🍀【DIY Friendly Interfaces】BOOT0 is added for programming firmware in DFU mode. WIFI module (ESP-12S, ESP-07S, ESP32) enables you to easily debug RRF. SKR 3 motherboard also supports bltouch, resume printing function, RGB lights, blocking detection and shutdown after printing function. What’s more, it’s also compatible with TFT35 E3 V3.0/TFT35 V3.0/TFT28 V3.0/12864 LCD display as well as TMC2209, TMC2208, TMC5150, DRV8825 stepper motor drivers.

【🐙Main Control Chip】Octopus pro board adopts the ARM Cortex-M7 series, STM32H723ZET6, main frequency up to 550MHz, Processing is more stable and fast.

【🐙About Firmware】Supports Marlin and Klipper, the best choice for Klipper high-speed printing，meet the individual need of DIY users，support Operation systems Raspberry Pi / Octoprint.

【🐙Stepper motor Upgraded】Support 8 axis powerful motor driver ，support 5V level for stepper motor driver ,better performance. support max 60V motor input voltage to inprove motor power ,reduce pulse losing. Support STEP/DIR/UART/SPI Mode.

※1)The motherboard uses the 32-bit 168MHz ARM-grade Cortex-M4 series STM32F407IGT6 chip, which greatly improves its performance;

※2)Equipped with highly modular open source firmware Marlin 2.0, which is convenient for users to DIY and secondary development, eliminating the worries of being unable to master the core code

※3)Marlin 2.0 uses powerful development tools and Visual Studio Code integrated development environment: supports online debugging, which is more helpful for product development and performance optimization, and uses C / C ++ language development;

💝【Brand-new Version for Voron V0& V0.1】Featured with Raspberry Pi ARM Cortex- Mo+ MCU PR2040, Bigtreetech SKR Pico V1.0 upgraded on ID design, which coexists of stylish appearance and excellent performances, ideal choice for Voron players.The fuse kit consists of fuse and holder,which enables easy disassembling and installation. Type-C interface allows for main control communication.

💝【Perfectly match With Raspberry Pi】With Raspberry Pi board frame, Raspberry Pi can be perfectly installed on BTT SKR Pico V1.0, saving internal spaces. The unique lateral design of SKR Pico‘s seat perfectly matches the space characteristics of the Voron V0 and V0.1 machine that needs to be fixed to the motherboard longitudinally.

💝【Mute Printing & Premium Capacitors】Featured with TMC2209 mute driver UART mode, SKR PICO V1.0 supports mute 3D printing. The main version of the chip capacitor (MLCC) adopts high-quality Murata capacitors to enhance product's quality.

⭐SUPER PERFORMANCE CHIP: BIGTREETECH Octopus control adopts 32-bit ARM-level Cortex-M4 series STM32F446ZET6 chip with a frequency of up to 180MHz, and supports 8 stepper motors. Equipped with highly modular open source firmware Marlin2.0, which greatly improves the overall performance of the motherboard, and all the functions of the motherboard do not require any expansion modules, and supports running Klipper and Marlin firmware

⭐SUPER MULTI-FUNCTION CONTROL PANEL: Support material interruption detection, continuous printing after power failure, shutdown after printing, BL_Touch, support online printing, etc. Upgrading the configuration firmware through the SD card, the operation is simple, convenient and efficient. Using high-performance MOSFET, the heat dissipation effect is better.

⭐MULTI-FUNCTION DISPLAY: TFT35 E3 V3.0.1 touch screen has higher compatibility. You can choose two working modes: UART serial screen mode and 12864 screen mode. The WIFI port is reserved, and the WIFI function is implemented by an external WIFI module.SD card update firmware is simple and convenient, download from our github, copy and save to SD card

Adopt ARM Cortex-M0+series STM32G0B1RE master chip with 32-bit main frequency of 64MHz;

The maximum power supply of the motor is 56V, and for the larger voltage when using EZ5160, the isolation chip is used to protect the main controller from burning IO.

The SPI expansion interface is reserved on the main control board for external acceleration sensor of customers using Klipper firmware for acceleration compensation;

💡【Klipper Pre-installed】BIGTREETECH Pad 7 klipper screen is pre-installed with klipper firmware whose precision-oriented algorithms will improve printing speed by 2-5x. Equipped ADXL345 module and klipper’s input shaper function allows BIGTREETECH Pad7 to keep great printing quality in higher printing speed by mitigating vibration. BTT Pad 7 also supports intuitive G-code model preview.

💡【Strong Computing Power】BTT Pad7 combines the function of CB1, CB1 heatsink, Pi4B and a 7 inches IPS touch screen and can replace PI to run klipper. It is powered by CB1 V2.2, a 64-bit 1.5GHz core board with Allwinner H616 ARM Cortex-A53 processor to provide a powerful computing platform. The pre-installed CB1 is detachable and you can upgrade it to CB1 eMMC for larger ROM.

💡【Wide-compatible & Open-source】BIGTREETECH Pad 7 is an open-source 3d printing pad that is compatible with most 3D FDM printers in the market, such as Ender-3, Voron 2.4, BIQU B1 SE Plus etc. by DIY upgrading (Note: BIQU B1 is not fully supported by Pad 7 now). You can upgrade firmware via the equipped 32G TF card.

This kit includes BIGTREETECH Manta E3EZ silent control board, CB1 eMMC core control board, which perfect fit for ender-3 series 3d printer to run klipper firmware.

Manta E3EZ adopts ARM Cortex-M0+series STM32G0B1RE master chip with 32-bit main frequency of 64MHz; The maximum power supply of the motor is 56V;

The BIGTREETECH Manta E3 EZ main control board and core board use BTB connection, which can be perfectly paired with the BIGTREETECH CB1 core board.