Introduction

Product Overview

FLY SHT36/42 is a nozzle toolboard designed by Guangzhou Magnon Electronics Technology Co., Ltd. for 3D printer extruders. Using this toolboard, four wires can replace the complex wiring between the original motherboard and the print head, optimizing the layout. SHT36 is suitable for 36 stepper motors, while SHT42 is suitable for 42 stepper motors. It integrates a CAN transceiver, USB port, TMC2209 driver, ADXL345 accelerometer, two controllable fans, and other functional modules. This toolboard is compatible with Klipper firmware.

• Extremely compact size, designed with a 6-layer board
• Supports CAN bus connection for more stable data transmission, lower latency, and higher reliability
• Onboard TMC2209 driver, configured in UART mode, suitable for extruders
• Onboard ADXL345 accelerometer
• Supports PT100 (MAX31865)
• Replaceable fan MOSFET design
• Supports BLTOUCH, PL08N, and other leveling sensors, integrating XY endstops
• Supports 12-24V voltage input
• MCU: STM32F072
• Communication: CANBUS, USB
• Interfaces: 2 controllable fans, 1 RGB, 3 endstops, 1 Probe, 1 Servo, 1 heater, 1 thermistor, 1 PT100

Product Parameters

1. Dimensions: 51.27mm * 36.26mm (SHT36), 42mm * 42mm (SHT42)
2. Mounting Dimensions: 43.84mm hole spacing, M3 mounting hole
3. Processor: STM32F072C8T6
4. Input Voltage: DC12-24V 5A
5. Maximum Heater Output Current: 5A
6. Maximum Fan Port Output Current: 1A

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SHT-36

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SHT-42

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Product Precautions

Output Port	Max Current at 24V Power Supply	Max Current at 12V Power Supply
Heater Port	5A	2.5A
Fan Port	1A	0.5A