Up for sale is a BIGTREETECH SKR Mini E3 V3.0 32-bit silent motherboard equipped with onboard TMC2209 drivers. PLEASE READ CONDITION DETAILS BEFORE PURCHASING:Hardware Condition & Defect:- The onboard Micro-USB port has snapped/broken off.- The board has been tested and works GREAT via the TFT header (USART/Serial TX2/RX2 pins) connected directly to a Raspberry Pi or single-board computer running Klipper.- Perfect candidate for a dedicated Klipper host setup using serial wiring, or for anyone comfortable with micro-soldering to replace the USB connector.- All motor driver outputs (TMC2209), bed/hotend heater MOSFETs, and fan ports are fully functional.Key Features:- STM32G0B1RET6 32-bit ARM Cortex-M0+ MCU- 4x Onboard TMC2209 UART silent stepper drivers with oversized heatsink- Direct physical drop-in size for Creality Ender 3 / Ender 5 / Voron V0 printer housings- Multi-fan control headers and BLTouch / CR-Touch probe portsWhat's Included:- 1x BIGTREETECH SKR Mini E3 V3.0 Motherboard (as pictured with serial jump wires connected)