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Introduction: BTT SKR MINI E3 is a customized motherboard for Ender3 printer launched by the 3D printing team of Shenzhen Big Tree Technology co., LTD., which can perfectly replace the motherboard of the original Ender3 printer. Firmware download: SKR MINI E3 V3.0: https://github.com/bigtreetech/BIGTREETECH-SKR-mini-E3 SKR MINI E3 V2.0: https://github.com/bigtreetech/BIGTREETECH-SKR-mini-E3/tree/master/hardware/BTT%20SKR%20MINI%20E3%20V2.0 BIGTREETECHSKR MINI E3 V3.0 New Break ThroughThe Rebirth of MINI E3 SPECIFICATION Size Diagram Note: Regardless of the MCU used, the SKR MINI E3 V3.0 features the following: Integrated4 TMC2209 drivers (with UART interface), 3 CNC fan ports, support 4 stepper motor drivers(X, Y, Z (dual Z-axis), E0), and 2 NTC ports. Additionally, it also provides the followinginterfaces: heated bed xl, heater cartridge x1, SD Card x1, Micro USB x1, LCD display x1.TFT display x1, auto power-off xl, power loss recovery x1, RGB x1, BLTouch x1,filament runout sensor x1, and X/Y/Z-axis limit switch x1. We will randomly shipthe SKR MINI E3 V3.0 equipped with either the STM32GOBORET6 or the STM32GOB1RET6 ADVANTAGES Main control chip ARM Cortex-MO+ STM32G0B1RET6/STM32G0BORET6 Double Z-axis interface Add parallel double Z-axis interfaces More stable running Compatibility Compatible with Ender 3, Ender 3 Pro Ender 5, CR-10... Better protectionand safety design Increase the distance between the driving chip and thecomponents to avoid the trouble caused by the heat sink Support more functions expansion Support BL touch, filament detection, power-off resume, automatic shutdown (PS-ON), etc Add 5V power supply 5V power supply with BL touch,TFT and RGB interfaces BIGTREETECH DCDC5V V1.0module + 5V power supply BETTER THERMAL PERFORMANCE Larger heat dissipation area Better heat dissipation Three CNCFan Interfaces Change the original Frequent to the CNC Fan, User-friendly PRODUCT DISPLAY PRODUCT DISPLAY