Introduction

Product Introduction

FLY SB2040 PRO is a tool board launched by Guangzhou Magnesium Electronic Technology Co., Ltd. for the VORON Stealthburner printhead. With this tool board, four wires can be used to replace the complicated wiring between the original mainboard and the printhead, optimizing the layout. SB2040 is suitable for stealthburner and afterburner. It integrates a CAN transceiver, USB port, TMC2240 driver, ADXL345 accelerometer, three controllable fans, and other functions on the tool board. This tool board is suitable for Klipper firmware.

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Product Features

• Reserved Boot button, users can enter Boot mode via Type-C to update firmware
• Supports Klipper firmware
• Temperature sensor support: Onboard MAX31865 chip, compatible with PT100
• Onboard ADXL345 accelerometer
• Reserved RGB interface, onboard 2240 driver, supports multiple leveling sensors such as Klicky, Voron Tap, PL08n, etc.
• Supports 12-24V voltage and 15A current input, enlarged heating element port with rated current of 10A

Product Parameters

• 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
• Onboard sensors: ADXL345 and optional MAX31865
• Heater interface: Heater (HEAT0)
• Expansion interfaces: Controllable fan2, RGB1, limit switch3, heating tube1, thermistor*1
• Fan interface: Two controllable fans
• Motor driver: Onboard TMC2240

Product Precautions

Output Port	Maximum Current at 24V Power Supply	Maximum Current at 12V Power Supply
Heating Port	5A	2.5A
Fan Port	1A	0.5A