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1.【Note: Cab only use this firmware】 https://github.com/bigtreetech/BIGTREETECH-SKR-mini-E3/tree/master/hardware/BTT SKR MINI E3 V1.2 2.【SKR MINI E3 V1.2 Manual】:https://github.com/bigtreetech/BIGTREETECH-SKR-mini-E3 3.【Notes on SKR mini E3 V1.2:】 https://github.com/bigtreetech/BIGTREETECH-SKR-mini-E3/blob/master/hardware/BTT%20SKR%20MINI%20E3%20V1.2/The%20Notement%20of%20BTT%20SKR%20MINI%20E3%20V1.2.pdf
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1)The motherboard uses a 32-bit 168MHz ARM-grade Cortex-M4 series STM32F407IGT6 chip, which greatly improves its performance; 2)Equipped with highly modular open source firmware Marlin 2.0, which is convenient for users to DIY and secondary development, eliminating the worries of being unable to master the core code 3)Marlin 2.0 uses powerful development tools and Visual Studio Code integrated development environment: supports online debugging, which is more helpful for product development and performance optimization, and uses C / C ++ language development;
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※1.【Working mode】 : Support STEP,DIR/UART mode , you can use these function via modify the firmware. ※2.【STEP/DIR Mode】:choice of working mode: MS1,MS2 ※3 .【TMC2209 V1.2 VS TMC2208, more of these functions】: 1. Current dynamic adjustment ※※ Coolstep--TMC2209 provides a current dynamic regulation technology that saves up to 75% of electrical energy.
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Perfect fit - Flawless 3D printing bed fit for Raise3D Pro2 Plus, Creality CR-10, Folger Tech FT-5 R2, and many more! Improves build plate adhesion - Maximize the adhesion of your print to the build plate by using this tape. This will minimize the chance of a print becoming loose and failing Eliminates gap lines - Eliminate all flaws and have a perfect print by eliminating gap lines from multiple strips of skinny tape
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1.【Note:】 ---Be careful to see the direction of the drive when the driver is inserted into the motherboard --- Do good work before driving heat dissipation work (heat sink + fan) --- Pay attention to the line sequence and IO port when wiring. If the wrong line is connected, the drive will not work. ---- When inserting drive into the main board, pay attention to see the direction of drive, can not insert backward, to prevent drive from burning. 2.【Good heat dissipation】Large heat dissipation area, good heat dissipation effect. Configuration:UART microsteps: Up to 1/256 microPlyer: 1/256 Logic Voltage VI0: 3.3-5V Motor Voltage : 4.75-36V Motor Phase Current: 1.2A RMS, 2.0A Peak 3.【Potentiometer adjustment instruction】 The range of Vref value: default value: 1V (+0.2); MAX: 2V; MIN: 0V; Clockwise: Reduce Vref Counter-clockwise: increase driver current
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Applicable machinery: 3D printer Model : Openbuilds plastic pulley Specifications: large wheel (inner hole 5mm), V wheel (inner hole 5mm), small wheel (inner hole 5mm), POM small wheel (without bearing) Note: The bearing model of the small wheel is MR105, and the bearing of the large wheel and V wheel is 625.