Introduction

Product Introduction

FLY SB2040 PRO is a tool board developed by Guangzhou Mullen Electronic Technology Co., Ltd. for the VORON Stealthburber print head. Using this tool board, four wires can replace the complicated wiring between the mainboard and the print head, optimizing the layout. SB2040 is suitable for stealthburner and afterburner. It integrates CAN transceiver, USB port, TMC2240 driver, ADXL345 accelerometer, three controllable fans and other functions. This tool board is suitable for Klipper and RRF firmware.

Product Features

• Boot button is reserved, users can enter Boot mode via TypeC to update the firmware
• Supports Klipper firmware
• Temperature sensor support: On-board MAX31865 chip, compatible with PT100
• On-board ADXL345 accelerometer
• Reserved RGB interface, on-board 2240 driver, supports various leveling sensors, such as klicky, Voron Tap, PL08n, etc.
• Supports 12-24V voltage, 15A current input, increases heater port, rated current 10A

Product Specifications

• MCU: Raspberry Pi rp2040, Dual core ARM Cortex-M0+@133MHz
• Connection interface uses XT30 (2+2) connector supporting 15A current, peak 30A
• Firmware: Klipper
• Input voltage: DC12V-24V
• Logic voltage: DC3.3V
• On-board sensors: ADXL345 and optional MAX31865
• Heater terminal: Heater (HEAT0)
• Expansion interface: Three controllable fans, RGB1, limit switches3, heater tube1, thermistor1
• Fan interface: Three controllable fans
• Motor driver: On-board TMC2240