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Introduction

1. Product Introduction

FLY TOOL-LITE-232 is a tool board designed for 3D printers by Guangzhou Meilun Electronic Technology Co., Ltd. This tool board provides XT30/KF interfaces, allowing four wires to replace the complicated wiring between the original mainboard and the printhead, optimizing the layout. TOOL-LITE-232 is suitable for 36/42 stepper motors. It integrates an RS232 transceiver, a Type-C port, TMC2209 driver, LIS2DW accelerometer, 2 controllable fans, and other functional tool board features. This tool board is suitable for Klipper firmware.

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2. Product Categories

TOOL-LITETOOL-LITE-232TOOL-LITE-CAN
Klipper CANBus❌✅
Klipper RS232✅❌
RRF CANBus❌❌
LIS2DW✅✅
MAX31865❌❌

1.1 Product Features​

  • Reserved Boot button, allowing users to enter Boot mode via Type-C to update firmware
  • Supports Klipper firmware
  • Supports RS232 mode
  • In RS232 mode, offers higher transmission rates and stronger stability
  • Temperature sensor support: NTC100K and PT1000 temperature sensors
  • Supports two controllable fans with a maximum output current of 1A
  • Onboard LIS2DW acceleration sensor
  • Reserved high-voltage probe interface, onboard 2209 driver, supports various leveling sensors such as BLtouch, Klicky, Voron Tap, PL08n, etc.
  • Supports 12-24V voltage and 15A current input, enlarged heater port with a rated current of 10A

1.2 New Features​

  • Added RS232 mode, offering higher transmission rates, stronger stability, and simpler debugging and usage
  • Added 1-meter power/signal connection cable, using twisted-pair design for stronger anti-interference performance

1.3 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
  • Onboard sensor: LIS2DW
  • Heater interface: Heater (HEAT0), 10A
  • Expansion interface: High-voltage probe interface, EndStop
  • Fan interface: Two DC controllable fans
  • Motor driver: Onboard TMC2209
  • Temperature sensor: One 100K NTC or PT1000 (TH0)

Product Precautions​

Output PortMaximum Current at 24V Power SupplyMaximum Current at 12V Power Supply
Heater Port5A2.5A
Fan Port1A0.5A
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