Omnibus F3 Flight Controller
Overview
Product sourcing insights & recommendations
The Omnibus F3 Flight Controller, once a dominant force in the FPV (First-Person View) drone market, has officially transitioned into a legacy component as of 2026. While still available for specific budget or micro-drone applications, it is no longer recommended for modern high-performance builds. MepskingMepsking
Market Status & Trends
* Legacy Status: The industry has largely moved toward F4, F7, and H7 processors. Major firmware developers like Betaflight ended official support for F3 boards (starting with version 4.1) due to the STM32F3 chip's limited 256KB flash memory, which cannot handle modern flight algorithms. IntofpvJouav
* Shift in Sourcing: Current B2B market demand is concentrated on F405 V3/V4 stacks and F722 flight controllers. These newer models offer larger memory (up to 2MB), more serial ports (UARTs), and support for advanced features like RPM filtering and 3-8S battery inputs. UnmannedtechshopFpvdroneguide
* Pricing Insights:
* Legacy F3: Prices have dropped to approximately $15–$25, primarily serving micro-whoops or brushed motor hobbyist projects. YoutubeAlibaba
* Modern Alternatives: High-performance F4/F7 stacks range from $30–$80, offering significantly better processing headroom and "future-proof" compatibility. AlibabaAlibaba
Technical Comparison
| Feature | Omnibus F3 (Legacy) | F405 / F722 (Current Standard) |
|---|---|---|
| Processor | STM32F303 (72MHz) | STM32F405 (168MHz) / F722 (216MHz) |
| Flash Memory | 256KB (Bottleneck) | 512KB to 2MB |
| UART Ports | Typically 3 | 5 to 8 |
| Firmware | Legacy Betaflight/Cleanflight | Latest Betaflight / ArduPilot / iNav |
| Market Role | Micro drones / Budget DIY | Freestyle, Racing, and Professional UAVs |
For sourcing, I have compiled lists of the remaining F3 inventory and the most competitive F4/F7 alternatives from verified suppliers in the attached files.
The market has shifted toward F4/F7 stacks. Would you like to:
Omnibus F3 Flight Controller
Products · 3 lists
BeeCore OMNIBUS F3 V1 Flight Controller Integrated 5A Built-in OSD Blheli_S DSHOT600 Brushless ESC for RC Quadcopter Multirotor
Dongguan HSK RC Technology Co.LTD🇨🇳CN10 yrs
Omnibus F4 Pro V3 Advanced ICs Flight Controller
Shenzhen Pinkuo Trading Co., Ltd.🇨🇳CN2 yrs
F3 Flight Controller Acro SP Pro Racing Cleanflight for Mini QAV 250 210 Quadcopter Mark4 APEX Mark5 FPV Frame Drone
SeekEC SP Racing F3 Flight Control Upgrade F4 Brushless Flight Control
Shenzhen Maoxing Weiye Technology Co., Ltd.verified🇨🇳CN5 yrs
EMAX Femto F3 Flight Controller - SPRACING F3EVO (Brushless) for FPV Drone RC Quadcopter
Shenzhen Uangel Technology Co., Ltd.verified🇨🇳CN7 yrs
F7 V3 BL32 50A 30X30 Stack BMI270 F722 Flight Controller BLHELI32 50A 4in1 ESC 3-6S For FPV Freestyle Drones DIY Part
Shenzhen Runkexin Electronics Co., Ltd.🇨🇳CN1 yr
OMNIBUS F4 Pro V3 Flight Controller
Shenzhen Umean Technology Co., Ltd.verified🇨🇳CN11 yrs
SP Racing 10DOF F3 Flight Controller (Deluxe)With Shell
Shenzhen Feite Model Co., Ltd.verified🇨🇳CN15 yrs
SP Racing F3 Flight Control Acro 6 DOF for for QAV250 Mini 250 280 210 180 Quadcopter Better Than NAZE/ Flip32
Shenzhen Zifei Technology Co., Ltd.🇨🇳CN3 yrs
RACING F3 EVO V2.0 Brush Flight Control Board For 90mm 120mm 125mm FPV Micro Quadcopters Better than Scisky 32bits
Shenzhen Beast & Lion Technology Co., Ltd.🇨🇳CN1 yr
F7 V3 BL32 50A 30X30 Stack BMI270 F722 Flight Controller BLHELI32 50A 4in1 ESC 3-6S For FPV Freestyle Drones DIY Part
ICMICRO ELECTRONICS (HK) LIMITED🇭🇰HK1 yr
F3 EVO V2.0 Flight Control flight controller
Shenzhen Mingweida Electronics Co., Ltd.🇨🇳CN4 yrs
F3 EVO V2.0 Flight Control flight controller
Shenzhen Sinapus Technology Co., Ltd.🇨🇳CN3 yrs
OMNIBUS F4 Pro V3 Flight Controller
Shenzhen Huake Shengye Technology Co., Ltd.verified🇨🇳CN2 yrs
F7 V3 BL32 50A 30X30 Stack BMI270 F722 Flight Controller BLHELI32 50A 4in1 ESC 3-6S For FPV Freestyle Drones DIY Part
Shenzhen Shengtaixin Technology Co., Ltd.🇨🇳CN5 yrs
MLK Latest Technology F405 F4 V3S Flight Controller Stack 30.5x30.5mm for FPV Accessories
SP Racing F3 Flight Controller Deluxe
Shenzhen Nordson Electronics Co., Ltd.🇨🇳CN1 yr
Aismartlink F405 V3 30*30 Flight Controller Stack With 4in1 50A ESC Board,Wireless Betaflight Configuration,Blackbox,Barometer
WuHan Aismartlink Intelligent Technology Co., Ltd.verified🇨🇳CN9 yrs
SP Racing F3 / F4 Flight Control Acro 6 DOF 10 DOF for for QAV250 Mini 250 280 210 180 Quadcopter Better Than NAZE/ Flip32
Shenzhen Fengfei Electronics Co., Ltd.🇨🇳CN3 yrs
Betaflight F4V3S F4 V3 V3S PLUS FC Flight Controller Board Built-in Barometer OSD For QAV250 230 RC Drone FPV Racing Quadcopter
Dongguan Fengxiangbiao New Energy Technology Co., Ltd.🇨🇳CN2 yrs
F4 V3S PLUS Flight Controller 45A 4-in-1 ESC & DSHOT600 7-36V FPV Drone SBUS/CRSF/IBUS Factory Direct
Shenzhen Raptor Technology Co., Ltd.🇨🇳CN2 yrs
SP Racing F3 Flight Controller Deluxe
Shenzhen Huayang Sheng Electronic Technology Co., Ltd.🇨🇳CN1 yr
F3 EVO Flight Controller Board V2.0 Flight Controller Brushed Flight Control Board Based On SP Racing F3 EVO Brush
Shenzhen Shengdingtong Technology Co., Ltd.verified🇨🇳CN1 yr
ZYSY F7 V3 BL32 50A 30X Stack BMI270 F722 Flight Controller BLHELI A 4in1 ESC 3-6S For FPV Drones DIY Part
EdgeTX F4 V3S PLUS Plastic Flight Controller 45A 4-in-1 ESC & DSHOT600 7-36V FPV Drone SBUS/CRSF/IBUS Factory Direct
BAYCKFPV INTERNATIONAL LIMITED🇭🇰HK1 yr
Speedybee F405 V3/V4 FC Flight Control BLS ESC 55A 4IN1 ESC BMI270 3-6S Blheli s 41 30X30 F4 Flight Controller
RACING F3 EVO V2.0 Brush Flight Control Board For 90mm 120mm 125mm FPV Micro Quadcopters Better than Scisky 32bits volantex
Shenzhen Zhicheng Electronic Technology Co., Ltd.verified🇨🇳CN5 yrsRACING F3 EVO V2.0 Brush Flight Control Board For 90mm 120mm 125mm FPV Micro Quadcopters Better than Scisky 32bits volantex
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Sources & References
22 sources cited · Verified industry data & reports
OMNIBUS
Betaflight
The Omnibus F3 flight controller is an integrated flight controller and OSD specifically designed for ease of use and outstanding flight performance. The ...
Omnibus F3 AIO quickstart guide
DroneTrest
Key Specifications STM32 F303 MCU, Runs Betaflight. Only 36x36mm, mount holes. The Omnibus F3 has a 3 position jumper (next to UART1 pins)
F3 Flight Controller: A Glorious Past
Mepsking
The F3 flight controller uses an ARM Cortex-M4-based main controller, which has a relatively powerful processing capability that can meet the ...
Flight Controller Explained: How to Choose the Best FC for ...
Oscar Liang
Desired specs: 30min flying time. 5km range. Max Altitude at least 300m. Foldable or small size. (like Mavic or less). Optical stabilizated camera or gimbal.
Betaflight to end development on F3 flight controller
IntoFPV
For a while now, development of Betaflight for flight controllers based on the STM32F3 chip has been hampered by a severe limitation that this ...
Rctimer BeerotorF3 Flight Controller
Nathan Tsoi
The F3 and the F1 run at the same clock speed, 72MHz, but the F3 has a floating point co-processor which allows it to do floating point math off ...