Introduction

Product Introduction

The FLY SB2040 PRO is a tool board developed by Guangzhou Magnesium Electronics Technology Co., Ltd. for the VORON Stealthburner print head. With this tool board, four wires can replace the complex wiring between the original motherboard and the print head, optimizing the layout. The SB2040 is suitable for both Stealthburner and Afterburner, integrating a CAN transceiver, USB port, TMC2240 driver, ADXL345 accelerometer, three controllable fans, and other features. This tool board is compatible with Klipper and RRF 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
• Heating element interface: Heating element (HEAT0)
• Expansion interfaces: Controllable fans *3, RGB *1, endstops *3, heating tube *1, thermistor *1
• Fan interface: Three 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