BIGTREETECH SKR 3 32Bit Mainboard+5Pcs TMC2209UART Driver Set Kit For Ender-3V2/5 Pro 3D Printer
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Product name:BIGTREETECH SKR 3 32Bit Mainboard+ 5Pcs TMC2209UART Driver Set Kit For Ender-3V2/5 Pro 3D Printer Parts Upgraded VS SK2 SKR 1.4 SKR V1.4 Turbo Note:All motherboards will be tested before shipment, please rest assured to buy. -Introduction: The BIGTREETECH SKR 3 motherboard is a 32-bit 3D printer motherboard. It is a successor to the SKR2,SKR1.4 and SKR1.4 Turbo series of motherboards and adds many features that we are sure the community will love. -SKR 3 Features Highlights: Utilize 32bit 480MHz ARM Cortex-M7 serires STM32H743VI MCU for massively improved performance TPS5450-5A power supply chip，support DC12/24V power input, current output rated at 5A max continuous and 6A max instantaneous，sufficient power supply for Raspberry pi(3A requirement) Onboard BOOT button to enable DFU mode to update bootloader Thermistor circuit is protected to prevent MCU damage from shorted heatbed and heater cartridge connection. Selectable voltage (24V, 12V, 5V by SKR 3-DC MODE)for CNC fan (Note: The voltages of the 3 * CNC fans are unified, different voltages cannot be set separately for different ports)，no more need for external stepdown thus prevent board damage from user error Thermistor connection supports Pull up resistance value setting using jumpers, No more extra module needed for PT1000 Supports all models of Serial TFT, SPI TFT, and LCD12864/2004 from BTT Firmware installation from using MicroSD card, simple and efficient Integrated SPI and UART mode of TMC driver and DIAG pin，easily configurable with jumpers Supports power loss recovery, filament runout sensor, Auto poweroff,BLTouch, RGB led etc. High efficiency MOSFET for less heat generation Replaceable fuse for easy maintenance WIFI module（ESP-12S、ESP-07、ESP32）supported Onboard SDIO MicroSD slot for Higher transfer rateOnboard EEPROM for setting storage 2 method for CAN connection:USB & XH2.54 6Pin，USB port CAN/USB mode is selected by switches. -TMC2209 Product Profile: TMC2209 is an ultra-silent motor driver IC for two-phase stepper motors. Its continuous drive current is 2A and peak current is 2.8A. Compared with TMC2208, the driving current of this IC is not only improved by 0.6a-0.8a, but also this IC increases the function of locked-motor test. The Flexible microPlyer interpolation unit can provide 256 microsteps. Stallguard4™locked-motor test can provide an abnormal signal when the motor rotates abnormally. CoolStep™ current dynamic control can save 75% energy. The sinusoidal control can be perfectly realized even in the system with limited pulse frequency. Since stealthChop2 ™ ultra-quiet technology is widely used in 3D printing, the design of these components is also compatible with existing 3D printer electronic devices, and it eliminates the expensive cost of redesigning.The module has a standard step/dir interface, it's easy to use. -TMC2209 Features Highlights: The motor is difficult to lose steps. Ultra-quiet mode； The module has a large-area cooling pad，it can lower the temperature when drive is working. The module can prevent the motor from shaking. The module support locked-motor test. The module support STEP/DIR and UART mode. -Specifications: ● Mounting pattern:102*76mm ● MCU:ARM Cortex-M7 STM32H743VI ●EEPROM:24C32 32Kbit ●Voltage in:DC12V-DC24V ●Logic voltage:DC 3.3V ●Heater connection:Heated bed（HB）、heater cartridge（E0、E1） ●HB port max current:10A continuous ，11A instantaneous ●Heater cartridge max current:5.5A continuous，6A instantaneous ●Fan port:3 X CNC(selectable voltage) ,2 X always on(PSU voltage) ●Fan port max current:1A continuous，1.5A instantaneous ●The Total Current of Heating artridges(E0, E1) + Driver + Fan:less than 10A ●WIFI connection:ESP-12S、ESP-07S、ESP32 ●Expansion port:BLTouch（Servos、Probe）、PS-ON、PWR-DET、Fil-DET、RGB、CAN FD ●Steppers supported:TMC5160、TMC2209、TMC2225、TMC2226、TMC2208、TMC2130、ST820、LV8729、DRV8825、A4988 etc. ●Stepper driver mode:SPI、UART、STEP/DIR ●Stepper motor socket:X、Y、Z（Parallel double Z-Axis）、E0、E1 5 channels in total ●Thermistor:2 X thermistor port(NTC/PTC selectable) ●Display:Serial、SPI、LCD ●PC connection:USB A ●Supported file format:G-code ●Supported kinematics:Cartesian、Delta、Kossel、Ultimaker、CoreXY ●Recommended Slicer/Console:Cura、Simplify3D、Pronterface、Repetier-host、Makerware -Package Included: 1xSKR 3 (Without SD Card) 5xTMC2209 Driver
| Brand | Unbranded |
|---|---|
| Product ID | 300295636-672484229 |
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| $9.49 | STANDARD: | Estimated delivery date Tue 30 June 2026 ─ Thu 09 July 2026 |
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