
BigTreeTech SKR Mini E3 V1.2
3D Printer Control Board
Ultra-quiet 32-bit 3D printer board with 4 integrated TMC2209 UART stepper drivers. STM32F103RCT6 @ 72MHz. Direct drop-in replacement for Ender 3. Supports Marlin and Klipper.
STM32F103RCT648KB256KB
~$39View

BigTreeTech SKR Mini E3 V2.0
3D Printer Control Board
Improved 32-bit control board with 4 integrated TMC2209 UART drivers, dual Z ports, and STM32F103RCT6 @ 72MHz. Drop-in upgrade for Ender 3, CR-10S, Ender 5. Marlin and Klipper ready.
STM32F103RCT648KB256KB
~$28View
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