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Fly-SHT36-V3 Tool Board Documentation

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1. Preparations​

Hardware Checklist:

  • Tool Board: Fly-SHT36-V3
  • Host Machine:
    Host Machine Compatibility Notice
    • Recommended Models: Fly-PI-V3, Raspberry Pi 4/5, and other standard host machines
    • Unsupported Models: Redmi phones, WiFi dongles, and set-top boxes, various modified non-standard host machines
    • Important Note: Using modified host machines may lead to system instability, functional abnormalities, or inability to operate normally.
  • Data Cable: One Type-C data cable
  • Connection Method (Choose One):
    • CAN Connection: Requires a UTOC module or a mainboard with USB-to-CAN bridge firmware pre-flashed.
    • RS232 Connection: Requires a UTOR module or a mainboard with native RS232 support (e.g., D8, D8-PRO, C8P).
  • Power Supply: 12V‑24V power adapter (ensure voltage is within range).
  • Computer: Windows PC (or other computer capable of using SSH tools).

2. Usage Guide and Important Notes​

Core Principle: Most issues are caused by configuration, connection, or power supply inconsistencies. Prioritize troubleshooting in the following order:

  1. Connection & Configuration: Ensure the DIP switch setting, firmware type, and the connection method in Klipper's [mcu SHT36] are all consistent (all CAN or all RS232).
  2. Power & Wiring: Confirm the power supply voltage is correct and all cable connections are secure.
  3. Status Indicators: After powering on, check if the power and status LEDs are normal.

Related Documents:

Procedure Overview:

  1. Set the DIP switch (choose 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 Documents:

4. Hardware Connection and Klipper Configuration​

Includes:

  • Tool board interface functionality description.
  • Wiring methods for motors, heaters, sensors, etc.
  • Klipper reference configuration files.

Related Documents:

5. Advanced Features (Optional)​

Optional Features:

  • Accelerometer: For Input Shaper resonance compensation.
  • 31865: High-precision temperature sensor (PT100/PT1000) configuration.
  • EDDY: Eddy current sensor for nozzle contact detection.

Related Documents:

6. Technical Resources​

Includes:

  • Schematic download.
  • 3D model files.

Related Documents:

Usage Suggestions​

For Beginners:​

  1. Start with Preparations.
  2. Read Important Notes carefully.
  3. Follow the sequence: Firmware Flashing → Hardware Connection → Basic Testing.
  4. Refer to Troubleshooting if issues arise.

For Experienced Users:​

  1. Go directly to the specific functional documentation you need.
  2. Refer to Technical Resources for detailed parameters.
  3. Configure Advanced Features to enhance performance.
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