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FLY Host Computer User Manual

Precautions:​

  • Ensure the host computer is powered off before installing the expansion board.
  • Avoid using the expansion board in damp or dusty environments.
  • When installing the screen, ensure the power is disconnected and pay attention to the orientation of the screen cable to prevent damage.
  • When installing the fan, pay attention to the current and voltage specifications of the fan to avoid damage.
  • The FLY host computer can only use the middle RS232 interface, the FAN port, and the FPC screen interface!!!
  • Among FLY host computers, those compatible with the G2T host computer are PI V2, C8, and PRO X10.
  • The Gemini series and PI V1 are not compatible.

Installing G2T​

  • Reference image below:
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  • Reference wiring:
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Method for Connecting to the Tool Board Using the Onboard RS232​

  • After flashing the latest system onto the FLY host computer, you need to access the host computer's IP+:9999.

  • The FLY host computer can only use the middle RS232 interface, the FAN port, and the FPC screen interface!!!

  • Find UART1 in the system settings and save and restart.

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  • Reference configuration below:

    [mcu] 
    serial: /dev/ttyS1
    baud: 250000
    restart_method:command

Using the Onboard 5V Fan​

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[mcu host]         
serial: /tmp/klipper_host_mcu 

[temperature_sensor FLY Pi]
sensor_type: temperature_host

[temperature_fan core_fan]      # Host computer cooling fan
pin: host:gpiochip1/gpio102     # Host computer fan pin
max_power: 1.0
sensor_type: temperature_host   # Set to host computer main control temperature
control:watermark               # Control method
target_temp: 48                 # Host computer cooling fan activation temperature
min_temp: 0                     # Minimum temperature; errors will occur below this
max_temp: 90                    # Maximum temperature; errors will occur above this
off_below: 0.10
kick_start_time: 0.50
max_speed: 0.8                  # Maximum speed, 80% of full power operation
min_speed: 0.3                  # Minimum speed, 30% of full power operation

Screen Usage Method​

  • After flashing the latest system onto the FLY host computer, you need to access the host computer's IP+:9999.
    • fly-tft-v2-c is for the 3.5-inch TFT capacitive screen.
    • fly-tft-v2-r is for the 3.5-inch TFT resistive screen.
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Screen Installation​

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Model Download

  • Click the download link below.
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