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Full Speed FSD F411 Flight Controller for the FSD428 and FSD435 ESCs

If your SBUS signal is inverted, use the D/S/P Pad for the signal on the top side.

If your SBUS signal is uninverted, use the SBUS Pad on the bottom side.

Pay attention:
-The FSD F411 flight controller will support a gyro loop rate of up to 32khz however maximum pid loop frequency is limited to 16khz. To run at this speed you will need to overclock the CPU by entering the code: Set cpu_overclock = 120mhz in CLI.

-In betaflight 3.4.0 and above CPU temperature can be monitored directly in betaflight osd.

Specification

• Brand Name: FullSpeed
• Item Name: 20x20mm FSD F411 Flight ControllerInput Voltage: 2-4S Lipo 
• Built-in Betaflight OSD to adjust PID
• BEC Output: 5V@3A
• Size: 27.5x27.5mm board, 20mm mounting holes (M2)
• Weight:3.4g
• Support SBUS/PPM/DSMX receiver 
• Usage: Original Parts for FullSpeed FSD428 FSD435 Series Flytower

FSD F411 F408 FC  firmware download：
Betaflight firmware:
Betaflight_3.3.3_FULLSPEEDF411.hex (Betaflight_3.3.3_FULLSPEEDF411 source code)
Betaflight_3.4_FULLSPEEDF411.hex (Betaflight_3.4_FULLSPEEDF411 source code)
Betaflight_3.5.0_FULLSPEEDF411.hex (Betaflight_3.5.0_FULLSPEEDF411 source code)
Betaflight_3.5.1_FULLSPEEDF411.hex (Betaflight_3.5.1_FULLSPEEDF411 source code)
Betaflight_3.5.2_FULLSPEEDF411.hex (Betaflight_3.5.2_FULLSPEEDF411 source code)
Betaflight_3.5.3_FULLSPEEDF411.hex (Betaflight_3.5.3_FULLSPEEDF411 source code)

Butterflight firmware:
Butterflight_3.5.0_FULLSPEEDF411.hex (Butterflight_3.5.0_FULLSPEEDF411 source code)
Butterflight_3.6.2_FULLSPEEDF411.hex (Butterflight_3.6.2_FULLSPEEDF411 source code)