Features

The SPRacingF3Mini has some awesome world-first flight-controller features that makes it the board of choice for any new multi-rotor or fixed-wing build!

Jaw-Dropping Flight Performance

The SPRacingF3Mini uses advanced processor, sensor and software technologies to make your aircraft fly like it's on rails.
The SPRacingF3Mini flight-controller and the Cleanflight software enables the precision flying you need for fast FPV racing.

Race Timing Transponder

The SPRacingF3Mini is the first and only mini board that features a race transponder system for recording your lap times. Each board comes with a special transponder code to identify you at race events. Compatible with i-LAP receiver systems. Two LEDs for clockwise and anti-clockwise race tracks.

Built-in 5v regulator (BEC)

The built-in 5V regulator makes wiring-up simpler and cheaper. Fixed-wing aircraft also become so easy: connect receiver, battery, 2 servos and an ESC and you're done!

Next-Generation CPU

The SPRacingF3Mini has an ARM Cortex-M4 72Mhz CPU with Math co-processor (FPU) for efficient flight calculations that gets more done in less time.
Loop times up to ~2x as fast as previous-generation STM32F1 based boards.

MicroSD

The SPRacingF3Mini is the first and only mini board that features a MicroSD card socket for logging. Supports MicroSD/SDHC up to 32GB!

USB

The only full-featured mini-size board with USB socket which is not shared with serial ports. No more hassle configuring or flashing.

Configurable

The SPRacingF3Mini runs Cleanflight which can be configured to suit your needs using a cross-platform GUI (Windows/OSX/Linux).

Tiny and extremely lightweight

The SPRacingF3Mini has a standard 36x36mm form-factor with 30.5mm mounting holes with detachable tabs for flexible mounting.
The mini center section of the board measures 36x24mm.

Buttons

The only mini board to feature two built-in buttons. Uses currently include receiver binding, configuration reset and bootloader entry, more uses planned!

Broad RC receiver Support

Supports SBus, SumH, SumD, Spektrum1024/2048, XBus, PPM. No external inverters required (built-in), receiver powered via flight battery or USB for easy configuration.

Unique code

Each SPRacingF3Mini comes with a unique QR-CODE so you can download your personal transponder code.

Programmable LEDs

Output for multi-colored LED strips - great for FPV racing, line-of-sight flying orientation and night flying.

Developer Friendly

Developer friendly debugging port (SWD) and boot mode selection, unbrickable bootloader.

OneShot ESC

Full support for OneShot ESCs for easy PID tuning and a sharper response.

Battery Monitoring

Built in battery voltage monitoring, input for additional current monitoring.

Sonar

Sonar support for precision low-altitude hold.

I2C Port

I2C port always powered, perfect for external sensors or always-on OLED Screen.

Buzzer

Buzzer port for audible warnings and notifications.

Cleanflight Logos

The SPRacingF3Mini features a copper-etched Cleanflight logo so you can show your support!

GPS Ready *

With a full-set of sensors (Accelerometer, Gryoscope, Compass and Barometer) each SPRacingF3Mini is capable of GPS Navigation
* Available in Cleanflight soon, New GPS features under active development.

SPRacing F3 Top and bottom

The SPRacingF3Mini design is:

  • Innovative - New, smart and practical design features.
  • Flexible - Corners are removable for micro frames, buttons and transponder can be detached and relocated.
  • Durable - Though-hole connectors for all main I/O for crash-proof installation.
  • Stackable - Mount to your PDB or OSD.
  • Compact - Center of PCB measures 36x24mm, main area 36x36mm, transponder section is 36x6mm, entire board just 36x43mm.
  • Professional - Symmetrical, Neat and Tidy.

Photos

Board photos and screenshots of the project and related websites and tools.

SPRacingF3Mini PCB - Top

SPRacingF3Mini PCB - Top (Bare)

PCB
SPRacingF3Mini PCB - Top

SPRacingF3Mini PCB - Top

PCB
SPRacingF3Mini PCB - Bottom

SPRacingF3Mini PCB - Bottom

PCB
SPRacingF3Mini PCB - Left

SPRacingF3Mini PCB - Left

PCB
SPRacingF3Mini PCB - Right

SPRacingF3Mini PCB - Right

PCB
SPRacingF3Mini PCB - Front

SPRacingF3Mini PCB - Front

PCB
SPRacingF3Mini PCB - Back

SPRacingF3Mini PCB - Back

PCB
SPRacingF3Mini PCB - Top and Bottom

SPRacingF3Mini PCB - Top and Bottom

PCB
Cleanflight Configurator

Cleanflight Configurator

Software
Cleanflight Configurator

Cleanflight Configurator

Software
Cleanflight Configurator

Cleanflight Configurator

Software
Cleanflight Configurator

Cleanflight Configurator

Software
Cleanflight Configurator

Cleanflight Configurator

Software
Cleanflight Configurator

Cleanflight Configurator

Software
Github Watchers

Github - Watchers

Community
Github Watchers

Github - Pulse

Community
Blackbox Flight Logging

Blackbox Flight Logging

Software
RC Groups Forum

RC Groups Forum

Community
#Cleanflight IRC Channel

IRC Channel - #Cleanflight on Freenode

Community
MultiWii Forum

MultiWii Forum

Community
Eclipse Development Environment

Eclipse Development Environment

Software
Transponder QR codes

Race Transponder

The SPRacingF3Mini features a race transponder timing system. As you fly around the track the FC continually transmits your unique code via IR. As your aircraft passes the start/finish timing gate the track-side receiver records your lap-time.

  • Compatible with iLAP receiver systems, as used by by most racing clubs worldwide.
  • Two LEDs which can be used for a wider transmission angle or clockwise/anti-clockwise tracks.
  • Reduces your overall cost for a race-ready air-craft.
  • No fiddling around trying to fit transponders in a hurry on race-day. Just turn up at the race and have the race officials scan your transponder and you're ready!
PCBs

Technical Specifications

The hardware was designed by the lead developer of Cleanflight to be more capable than the previous-generation STM32F1-based boards and to set the benchmark for a fully-featured STM32F3-based mini board.

  • 36x36mm board with 30.5mm mounting holes
  • Weight ~6 grams
  • STM32F303 CPU, 72Mhz inc FPU
  • MicroSD card slot (SD/SDHC, upto 32GB)
  • MPU9250 accelerometer/gyro/compass
  • BMP280 barometer
  • 5V regulator for powering receiver and small servos
  • 2 Push Buttons
  • 2 IR LEDs and unique code for race transponder
  • MicroUSB socket
  • Copper-etched Cleanflight and #RB logos
  • 1x 2pin though-holes for pin headers for Direct Connection of 2-5S Battery (25V Max)
  • 8x 3pin though-holes for pin headers for ESC/Servo connections
  • 1x 2pin though-holes for pin headers for UART3
  • 1x 6pin though-holes for pin headers for UART1 and PPM (for standard SerialRX/SBus/PPM lead)
  • 1x 3pin though-holes for pin headers for Telemetry/LED Strip
  • 1x 3pin though-holes for pin headers for Buzzer output
  • 1x 2pin though-holes for pin headers for RSSI and battery current monitoring
  • 1x 3pin though-holes for JST-ZH socket for Spektrum Satellite receivers.
  • 1x 4pin bottom mounted, recessed JST-SH socket for I2C
  • 1x 4pin bottom mounted, recessed JST-SH socket for UART2
  • 1x 4pin top mounted JST-SH socket for SWD debugging
  • 2x bottom mounted solder pads for sonar

Manual

The latest SPRacingF3Mini PDF manual can be downloaded here.

FPV Mini Quad

Cleanflight

The SPRacingF3Mini runs the open-source Cleanflight flight control (FC) software which has an ever-growing community of friendly developers and users. Being open-source means that you too can contribute to the system.

Cleanflight comes with a detailed manual that is reviewed and maintained by the Cleanflight developers and community. No more out-of-date wiki pages and second-hand information.

Testimonials

Don't just take our word for it, listen to these excited users!

“Ok now I'm too excited to sleep!”

FinalGlideAus - YouTube

“It is a really great Flight Controller, thanks for the work. It feels really locked in.”

Charpu - YouTube

“crashed into a dog turd - Otherwise excellent, The board performs incredibly well flying!”

ATA250 - #Cleanflight

“Cleanflight is the hip new firmware these days.”

TheNickDude - YouTube

“hydra + the channel helped me out to get it right”

Petfrogg - #Cleanflight

“New FC with a burning passion and a funny feeling inside”

Teslahed - #Cleanflight

“Yeah, it flew great when i took off”

acceleroto - #Cleanflight

“It flies much better outdoors than in the garage”

viper522 - #Cleanflight

“Ohhhh yeahhhh”

Richard Dagenais - Facebook

“This is awesome stuff”

Trent Jones - Facebook

“yeah i was really impressed”

Ben250 - #Cleanflight

Software Features

The SPRacingF3 runs Cleanflight and is configured using the Cleanflight Configurator. It has a stack of great features, such as these:

  • 3 primary flight modes: Acrobatic, Angle and Horizon
  • Extensive control and switch configuration
  • Telemetry Support (HoTT, FrSky, SmartPort, etc)
  • Battery Monitoring and Warnings
  • Signal Strength Monitoring (RSSI)
  • Failsafe system
  • Altitude Hold Mode
  • Heading Hold Mode
  • In-flight tuning
  • Customizable LED colors
  • Android phone support (via EZ-GUI GCS)

“Cleanflight is clearly the best FC software; And what a great community”

Ben250, #Cleanflight - 2015/5/1 14:09GMT

Pricing

SP Racing F3 Mini £40.00 GBP
  • Includes Accelerometer, Gyro, Compass & Barometer Sensors; Transponder LEDs and Code; MicroSD card socket and pin headers.
Buy now

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