Features: KrakenV1.0 mainboard is a 32bit printer controller, It has an onboards high-voltage and high-current step motor driver, which greatly simplifies the connection between the mainboard and the high-voltage driver, and also greatly saves money. Adopts 32bit ARM CortexM7 series STM32H723ZGT6 main control chip with a main frequency of 550 MHz;The power chip uses TPS5450-5A, which supports DC12/24V power input. The chip output current is up to 5A, with value of 6A, which perfectly supports for RPI power supply; Mainboard reserves a BOOT button, and users can update the ainrboard boot program through DFU;Add a protections circuit to the thermistor part to prevent main control chip from burning due to leakage from the heating bed or heating rod; onboards two-channel MAX31865 supports 2 channel PT thermocouples, and supports two-wire or four-wire PT100/PT1000 option, which is convenient for customers to DIY; Onboards 8-channel TMC2160 drive SPImode, onboards DIAGsfunction pin, which can be used by simply removing and plugging Reserved interfaces: material outage detection, shutdown after printingRGB, I2C, servo interfaces, EXP1+EXP2, CAN, UART interfaces, USBA power output interfaces, etc.; Specifications: Processor：ARM CortexM7 STM32H723ZGT6 Blazing-fast,550MHz Onboards 8 TMC2160 Driver Up to 60V motor input voltage 8A driving current for M1toM4, 3A for M5toM8. All-metal Integrated Heatsink 2JST Ports with CAN Support Connect two EBB SB2240/2209 CAN for StealthBurner Mastery Power Supply for RPi:5V with output current of 3A Package Includes: 1 Set KrakenV1.0 Mainboard note: Due to the problems of lighting effectsand shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-2mm error due to manual measurment.