Hakrc F4126 F4 2-5S AIO Toothpick/Whoop Flight Controller w/ 20A 4in1 ESC

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An excellent option for those toothpick builds at the fraction of the cost of most 20A AIO boards.

Check out all our Whoop FCs and our Hakrc products!


  • PCB adopts high-end 8-layer 2oZ thickened copper skin, which has stronger overcurrent capability and good heat dissipation.
  • MOS adopts imported 30V high current resistance mos, long life and strong load capacity.
  • Using industrial-grade LDO, high temperature resistance.
  • Using high-quality Japanese Murata capacitors, strong filtering performance
  • Size: 31.* 31.mm (25.5mm-26.5mm mounting hole) 


Flight Controller

  • CPU: STM32F411CEU6
  • IMU: MPU6000
  • OSD: AT7456E
  • Barometer: BMP280
  • LED: Support WS2812 and other programmable
  • Sensor: Built-in current sensor
  • Firmware version: betaflight_4.1.1_MATEKF411



  • Firmware support: BLHELI_ S
  • Protocol support: PWM, Oneshot125, Oneshot42, Multishot, Dshot150, Dshot300, Dshot600
  • Input voltage: 2S-5S Lipo
  • Continuous current: 20A
  • Peak current: 25A
  • Firmware version: BLHELI _S (G- H-30)


  • 1x Hakrc F4126 2-5S F4 AIO Toothpick/Whoop Flight Controller w/ 20A 4in1 ESC