FLY Host Computer Usage Instructions

Notes:

• Ensure that the host computer is powered off before installing the expansion board.
• Avoid using the expansion board in a humid or dusty environment.
• When installing the screen, be careful not to plug or unplug the screen cable while powered on, and pay attention to the direction of the screen cable to avoid 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, FAN port and FPC screen interface !!!
• The following host computers can be used with G2T: PI V2, C8, PRO X10
• Gemini series and PI V1 cannot be used

Installing G2T

• Below is the reference
  
• Reference wiring
  

Using the On-board RS232 to Connect the Tool Version

• After the FLY host computer is flashed with the latest system, access host computer IP+:9999

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

• Find UART1 in the system settings and save and restart

  

• Below is the reference configuration

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

On-board 5VFAN Usage

[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 controller temperature
control:watermark               # Control method
target_temp: 48                 # Host computer cooling fan start temperature
min_temp: 0                     # Minimum temperature, an error will be reported if below this temperature
max_temp: 90                    # Maximum temperature, an error will be reported if above this temperature
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 the FLY host computer is flashed with the latest system, access host computer IP+:9999
  • fly-tft-v2-c is the selection for 3.5-inch TFT capacitive screen
  • fly-tft-v2-r is the selection for 3.5-inch TFT resistive screen
    

Screen Installation

Model Download

• Click the download link below
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