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CL Racing F4S V1.4 Flight Controller FC/PDB/OSD


Out of Stock

Product Description

IMPORTANT NOTE: This latest 2018 version (V1.4) is compatible with all ESC's, no matter how noisy they are. 
The CL_RACINGF4 and the CLRACINGF4S all using the same target "CLRACINGF4". DO NOT USE THE CL_RACINGF4 Target after 3.1.7. The name had been changed.


PDF Manual Download

4 IN 1 ESC wiring Manual Download  Thanks, User name UberKiller



Build Tip


1. Solder the main battery lead to the board first.


2.check on the bottom label  :UART 1- >sBus. UART 3 -> telemetry


3. use TX4 for the smart audio if you use it. 


4.if you solder on the buzzer, go to CLI paste " set beeper_frequency = 0" enter and "save"


5. For use telemetry. select the uart3 as smart port. and go to CLI do " set tlm_halfduplex = off " you have to use this command to make it work.


6. for use 4 IN 1 esc. you can use the cable comes with the FC. but you may have to shift the pin around to get the correct motor layout. if you esc has the current sensor, you can use the solder pads label as (EXT) for the external Current sensor ( INT ) for internal current sensor


7.after soldering everything on the board. check continuity on all 4 motor signal wire to battery positive and battery negative. very important. if those have continuity. you will have a big problem. smoke stopper won't stop this.




Technical specifications:

  •  LiPo Input: 2-6S (5V-30V)
  •  Power rail: 3.3v,5v,9v,vbat
  •  132A ( MAX display ) Current sensor with 160A PDB build in
  •  6 layer 2oz Copper PCB
  •  Size: 36x36mm
  •  Mount Holes: 30.5 x 30.5 mm
  •  CPU - STM32F405RGT6 (F4 chip)
  •  MPU-6000
  •  Full SD Card socket
  •  Build in 5V BEC 2A
  •  Build-in User selectable 9v or 5v 2A Filtered BEC For camera and VTX
  •  Dedicated Camera setting control pads along with camera power signal pads
  •  Dedicated VTX connection with along with TX4 for easy connect and control VTX
  •  Build in Betaflight OSD
  •  4 UARTS + USB (UART1 , UART3 ,UART4, UART6 ) (Pinout TX1, TX4,RX4, TX6,RX6 )
  •  5V LED strip output
  •  4 motors on each corner for a better layout.
  •  Support RX : Dedicated Sbus hardware inverted ,Satellite RX, Ibus,TBS Crossfire
  •  Dedicated hardware inverted connect to UART3 for smartport telemetry
  •  4 in 1 esc socket with external current sensor input
  •  Support TP and Smartaudio VTX
  •  Buzzer pads for external buzzer




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