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Fly-SHT36-V3 Tool Board Documentation

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1. Preparation​

Hardware List:

  • Toolboard:Fly-SHT36-V3

  • Host computer:

    Host Compatibility Notes
    • Recommended models:Fly-PI-V3, Raspberry Pi 4/5 and other standard hosts
    • Unsupported Models:Redmi phones, WiFi dongles, and TV boxes, various modified non-standard hosts
    • Important Note:Using a modified host may lead to system instability, functional issues, or inability to operate properly

  • Data cable:One Type-C data cable

  • Connection Method (choose one of two):

    • CAN connection:Requires a UTOC module or a mainboard with USB-to-CAN bridge firmware already flashed
    • RS232 Connection:Requires a UTOR module or a mainboard with native RS232 support (such as D8, D8-PRO, C8P)

  • Power supply:12V-24V power adapter (please ensure the voltage is within the specified range)

  • computer:Windows computer (or another computer that can use SSH tools)

2. Usage Guide and Precautions​

Core Principles:Most issues stem from configuration, connection, or power supply inconsistencies. Please troubleshoot in the following order:

  1. Connection and Configuration:Ensure the DIP switch settings, firmware type, and the [mcu SHT36] connection method in Klipper are all consistent (either CAN or RS232).
  2. Power and Wiring:Check that the supply voltage is normal. Ensure all cable connections are secure.
  3. Status Indicator:After powering on, check if the power and status LEDs are functioning correctly.

Related Documentation:

Step Overview:

  1. Set the DIP switches (select CAN or RS232 mode)
  2. Flash the corresponding firmware
  3. Obtain the device ID (CAN UUID or RS232 ID)
  4. Configure the connection in Klipper

Related Documentation:

4. Hardware Connection and Klipper Configuration​

Included Content:

  • Tool board interface pinout and function descriptions
  • Wiring methods for motors, heaters, sensors, etc.
  • Klipper reference configuration file

Related Documentation:

5. Advanced Features (Optional)​

Optional Features:

  • Accelerometer:Used for input shaper resonance compensation
  • 31865:Configuration for high-precision temperature sensors (PT100/PT1000)
  • EDDY:Eddy current sensor for nozzle contact detection

Related Documentation:

6. Technical Resources​

Included Content:

  • Schematic download
  • 3D model files Related Documentation:

Usage Recommendations​

New users:​

  1. Start from Preparation
  2. Carefully read Important Notes
  3. Complete the steps in order: Firmware Flashing → Hardware Connection → Basic Test
  4. If issues arise, refer to Troubleshooting

Experienced users:​

  1. Directly jump to the specific documentation for your needs
  2. Refer to Technical Documentation for detailed parameters
  3. Configure Advanced Features for improved performance
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