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FLY Upper Computer Instructions

Precautions:​

  • Ensure the upper computer is powered off before installing the expansion board.
  • Avoid using the expansion board in humid or dusty environments.
  • When installing the screen, do not plug or unplug cables while powered on, and pay attention to the screen cable direction to prevent damage.
  • When installing the fan, pay attention to the fan's current and voltage specifications to prevent damage.
  • The FLY upper computer can only use the middle RS232 interface, FAN port, and FPC screen interface!!!
  • The G2T upper computers compatible with the FLY upper computer include PI V2, C8, and PRO X10
  • Gemini series and PI V1 are not compatible

Installing G2T​

  • Reference below
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  • Wiring reference
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Method for Using Onboard RS232 to Connect the Tool Board​

  • After flashing the latest system on the FLY upper computer, access Upper computer IP+:9999

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

  • In the system settings, find UART1 and save to 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]      # Upper computer cooling fan
pin: host:gpiochip1/gpio102     # Upper computer fan pin
max_power: 1.0
sensor_type: temperature_host   # Set to upper computer main control temperature
control:watermark               # Control method
target_temp: 48                 # Upper computer cooling fan start temperature
min_temp: 0                     # Minimum temperature, error if below this
max_temp: 90                    # Maximum temperature, error if 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 Instructions​

  • After flashing the latest system on the FLY upper computer, access Upper computer IP+:9999
    • fly-tft-v2-c is for 3.5-inch TFT capacitive screen selection
    • fly-tft-v2-r is for 3.5-inch TFT resistive screen selection
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Screen Installation​

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Model Download

  • Click the download link below
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