Up for sale is a Makerbase MKS Robin Nano V3.1 32-bit 3D printer mainboard. This unit is in excellent, very lightly used condition with minimal operational hours. Ideal for custom builds, Klipper setups, or upgrading standard 3D printer electronics.Key Highlights:- Model: Makerbase MKS Robin Nano V3.1- 32-Bit ARM Cortex-M4 (STM32F407VET6) processor architecture- Support for Marlin 2.x and Klipper firmware setups- Integrated SD card slot and USB connectivity- Supports plug-and-play removable stepper motor drivers (TMC2208, TMC2209, A4988, etc.)Condition:Used - Like New / Lightly Used. Fully functional, clean connectors, and no trace damage or blown components. Please inspect all listing photos for exact details.What's Included:- 1x Makerbase MKS Robin Nano V3.1 Control Board (as pictured)