[Output ] Increase the SPI output port + 3.3V supply, and the external SPI sensor supply + 3.3V and + 5V, and it supports the motherboard to directly supply to peripheral devices. [ heat sink] Redesign heat sink to enhance the heat dissipation capacity of and greatly the heat dissipation performance [Three fans] Increase the heat dissipation controllable fan to reduce the printer temperature when the device is working [Main control chip] Adopt ' G0 series main control chip STM32G0B1RET6 [BLTouch V3.1] BLTouch is a 3D printer -leveling sensor based on , simple, intelligent and high-precision. It can be matched with any bed material, such as glasses, wood, metal, etc. This set comes with an 80 cm extension cor D017
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