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The MKS SKIPR motherboard is an all-in-one board from Makerbase specifically for use with Klipper firmware. It integrates an RK3328 SOC to run Klipper and an STM32F407VET6 MCU to run the 3D printer tasks. This board is configurable for all 3D printers.

Features and advantages: 

• SOC uses Rock Chip's 4-core Cortex-A53 architecture RK3328 with Armbian system, perfectly running Klipper host
• MCU uses STM32F407VET6 of Cortex-M4 architecture, 168Mhz main frequency, easy to control various machine actions.
• Retain the rich interface resources of MKS PI [with 1GBytes of DDR3 memory, support HDMI screen interface, PI-TS35 screen interface, provide wired Ethernet port, 3-way USB interface (can be externally connected to the main control board, USB wireless network card, USB camera, U disk, USB keyboard and mouse, etc.)]
• Support booting the system from TF card and EMMC module (EMMC module is more stable than TF card, and has faster read and write speed), and provides supporting EMMC burning tools.
• Support 7-axis stepper drive to meet the requirements of most 3D printer models.
• 3 independent MP1584PEN DC/DC modules provide a strong guarantee for the stable operation of the entire board circuit.
• 3-way controllable fans, plus 3-way normally open output, can independently select VIN, 12V or 5V voltage
• Design Schottky diode protection for MOS circuits and temperature measurement circuits
• Design the back EMF energy absorption circuit to protect the stepper driver module.
• The Z+ interface can independently set the voltage selection to adapt to different models of PROBE.