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?Packing List?:SKR 2 Control Board + 5pcs TMC2208 V3.0(with a cute duck), for more information,please search bigtreetech github SKR 2 motherboard is a 32bit 3D printer motherboard , It is a successor to the bigtreetech skr v1.3 SKR v1.4 and SKR v1.4 Turbo series of motherboards and adds many features that we are sure the community will love. ?More Features for SKR 2 32 bit 3d printer control board: 1. Introduces a new inchantireversalinchstepper driver protection which is achieved through a combination of new hardware and Marlin firmware. This protects against motherboard or driver damage due to incorrect driver insertion 2. ESP8266 WIFI module (ESP12S or ESP07) interface for customers to use RRF firmware 3. Onboard pushpull TF card slot (SDIO working mode) and U disk interface 4.A filter circuit is added to the power input terminal to reduce ripple and noise interference 5.The fuses now use a smaller package which leaves more space on the PCB for more features and makes it easier to swap them out ?SKR 2 Parameters: Input voltage: DC12VDC24V,Logic voltage: DC 3.3V Firmware support: Marlin, Reprap Firmware WIFI interface: ESP12S, ESP07S Fan interface: three CNC fans, two normally closed fans (noncontrollable) Motor drive interface: X, Y, Z (double Z axis), E0, E1, five channels (each channel has a closed loop drive interface) The benefits of TMC2208 V3.0 UART mode: 1.Motor current can be set arbitrarily by firmware. 2.Microsteps can be set arbitrarily by firmware (up to 256 actual microsteps) 3.The actual and interpolated microsteps can be combined to achieve maximum torque. 4.Firmware can dynamically switch stepper motors between stealthChop2 and spreadCycle modes through UART.
Package Dimensions : 7.13 x 4.45 x 2.13 inches; 6.7 Ounces
Date First Available : June 4, 2021
Manufacturer : BIGTREETECH Direct
ASIN : B096MG5J39
ꕥ1. 【Control Chip】: Uses a 32-bit ARM Cortex-M4 series STM32F429VGT6 main control chip with a core frequency of 168MHz that packs enough performance to run even the most demanding UI while ensuring stutter free printing.
ꕥ2. 【Integrates Power Regulator】: Integrates a AOZ1284PI power regulator which supports 12-24V power input and a maximum output current of 4A – enough to power external components such as LEDs and even a raspberry pi;
ꕥ3. 【Heater Protection Circuit】: Includes an additional heater protection circuit which protects against runaway heating on the bed and hotend heaters. By default, the heaters are off so if the MCU or MOSFETs are damaged, the heaters will shut down instead of enter into thermal runaway,
ꕥ4.【Motor driver】: Support TMC5160, TMC2209, TMC2225, TMC2226, TMC2208, TMC2130, ST820, LV8729, DRV8825, A4988,tmc2100 etc., and can be externally connected to a motor drive,Drive working mode support: SPI, UART, STEP/DIR
ꕥ4.【Note】: Before DIY firmware modification, customers need to build an STM32F429VGT6 version environment on the compilation platform for compilation and use, instead of directly using the previous F407 firmware.For more information,please search bigtreetech github.