Toothpick F4 2-4S AIO Betafpv 20A

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Toothpick F4 2-4S AIO Betafpv 20A

Toothpick F4 2-4S AIO Brushless Flight Controller 20A


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The V3 version has all the functions of the V2 board, also add the following 2 additional functions.

  • Add 8M Flash chip for Betaflight Black Box.
  • 3 full UARTs (UART1, UART2 and UART6) are available in the V3 version. Pilots could use one UART for DJI digital FPV unit or Caddx Vista digital FPV unit and the other UART for external receivers like TBS Crossfire.

The V2 board only has one full UART and could not support DJI digital FPV VTX.


Toothpick F4 AIO 20A


For a new generation of toothpick dronethis new AIO Brushless FC can handle 20A continuous current(25A burst), which is the first 20A All-in-one FC on the market. Compared to FC / ESC Stacks design, this board provided with massive levels of performance capability while still maintain ultralight only 6.63g. Breaking through the limit of toothpick power, exploring more possibilities in 3”-4” drones. This board is your best choice to DIY your own toothpick drone that is tailored to your requirements.

If you are looking for whoop version, please click here to reach out.

Here is a video of detailed introduction for 20A AIO FC, made by Jon E5 FPV.




  • This new board can handle 20A continuous current(25A burst), which is the first 20A All-in-one FC on the market
  • Comes with 4*Motor Pluggable Pins and Not Pre-solder in default, fits your needs of self-assembly best
  • Compatible with 120X, 130X, 140X motors, and 1505 motors
  • USB port is mounted on the side, you have more possibilities of mounting it while still maintaining access to the USB port
  • All of the solder pads are at the edge of FC, which is a convenience to solder
  • Double-sided motor solder pad. Pins pad and wires pad are both built-in for motors connection
  • Integrated with a Betaflight MATEKF411 processor FC, Betaflight  OSD, F4 MCU, and 20A ESC, support 2-4S battery

Comparison of Toothpick 12A AIO FC and Toothpick 20A AIO FC

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  • Integrated 24 single N-channel MosFETs chips on 20A AIO FC board, which has a lower inner resistance. 12A AIO FC board adopts 12 dual MosFETs chips instead. Current sensor included.
  • Toothpick F4 AIO 20A

Double-sided Motor Solder Pad
Support connect with motors via connectors or solder directly

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Mounting Pattern and Real Holes of Mounting Holes
This board comes with standard 26.5×26.5mm mounting holes, which can install easily in most whoop and toothpick frames.

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  • CPU: STM32F411CEU6 (100MHZ)
  • Six-Axis: MPU6000 (SPI connection)
  • Size: 32.5*32.5mm (26.5mm mounting holes)
  • Firmware version: BETAFPVF411 (BEFH)
  • OSD: Built-in BetaFlight OSD (OSD chip: AT7456E)
  • Receiver: Support Frsky XM/XM+ Receiver/ Futaba Receiver/ Flysky Receiver/ TBS Crossfire Receiver/DSMX Receiver
  • Support programmable LED like WS2812 etc
  • Built-in current sensor
  • Weight: 6.63g


  • Support BLheli/BLHELI_S suite Pass-through ready
  • Support PWM, Oneshot125, Oneshot42, Multishot, Dshot150, Dshot300, Dshot600
  • Input voltage: 2S-4S Lipo
  • Continuous current: 20A
  • Peak current: 25A
  • Firmware: BLHELI_S
  • Motor Connectors: 1.25mm header pins connector

DIAGRAM FOR Toothpick F4 20A AIO FC V2

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DIAGRAM FOR Toothpick F4 20A AIO FC V3

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Receiver Connection Diagram

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  • 1 * Toothpick F4 20A AIO 2-4S brushless flight controller
  • 1 * Cable Pigtail (XT30)
  • 4 * M2x10mm screws
  • 4 * M2 nuts
  • 4 * Anti-vibration rubber dampers
  • 4 * Motor Pluggable Pins

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