Description
SP Racing F3 Flight Controller ACRO Version – NDB&C by LOFTY AGROTECH
The SP Racing F3 Flight Controller ACRO Version – NDB&C by LOFTY AGROTECH is a professional-grade flight controller designed to deliver precision, stability, and ultimate control for FPV racing, freestyle drones, mini quads, and educational drone projects. With a next-generation ARM Cortex-M4 72MHz CPU, integrated OSD, high-capacity black box logging, and broad connectivity, this controller is a favorite among competitive pilots and drone enthusiasts.
Built with tried-and-tested sensors and advanced processing power, the SP Racing F3 Flight Controller ACRO Version ensures smooth flight, sharp maneuverability, and efficient handling under the most demanding conditions. Its lightweight 23g design and 36x36mm compact form factor make it ideal for mini quad frames and FPV racing drones where every gram and millimeter counts.
Advanced Processor for Superior Flight Performance
At the heart of the SP Racing F3 Flight Controller ACRO Version – NDB&C by LOFTY AGROTECH lies the STM32F303 microcontroller, an ARM Cortex-M4 processor clocked at 72MHz. This next-generation CPU comes with a floating-point math co-processor (FPU), allowing it to perform flight calculations and PID loops twice as fast as older STM32F1-based boards.
The processor ensures:
- Faster loop times for improved flight stability
- Accurate sensor fusion and response to pilot commands
- Minimal latency in high-speed FPV racing scenarios
- Efficient handling of multiple peripherals simultaneously
This powerful CPU enables pilots to execute sharp turns, acrobatic flips, and complex freestyle maneuvers without compromising control, making the SP Racing F3 Flight Controller ACRO Version ideal for professional FPV racing drones.
Integrated OSD for Real-Time Telemetry
One of the key advantages of the SP Racing F3 Flight Controller ACRO Version is its integrated On-Screen Display (OSD). Pilots can monitor critical flight metrics in real time on FPV goggles or monitors. Key telemetry includes:
- Battery voltage and current
- Flight mode and timers
- GPS data and signal strength
- Flight altitude and orientation
Having OSD built directly into the controller reduces weight, wiring complexity, and installation time, while providing all necessary information at a glance. This integration is particularly valuable for FPV racers who need instant feedback during high-speed flights.
Black Box Flight Logging for Optimization
The SP Racing F3 Flight Controller ACRO Version features an onboard black box flight recorder, allowing pilots to log flight data for post-flight analysis. This includes sensor readings, PID performance, and motor responses. By analyzing the black box data, pilots can:
- Fine-tune PID settings
- Troubleshoot flight issues
- Optimize drone performance for stability and speed
This feature eliminates guesswork, enabling precise adjustments for competitive racing, freestyle, or cinematic FPV applications.
Compact and Lightweight Form Factor
Measuring 36x36mm and weighing 23 grams, the SP Racing F3 Flight Controller ACRO Version is designed for mini quad frames and racing drones. Its compact size allows it to fit into tight builds, while the lightweight construction minimizes strain on motors, improves acceleration, and extends battery life.
Despite its small footprint, the controller includes 36 I/O connections, 8 PWM outputs, and 8 PWM inputs, making it capable of handling complex FPV setups without compromising performance.
Broad Compatibility with RC Receivers
The SP Racing F3 Flight Controller ACRO Version – NDB&C by LOFTY AGROTECH supports all major RC receiver protocols, including:
- SBus (FrSky radios, low latency digital precision)
- PPM (simplified wiring)
- PWM (legacy systems)
- Spektrum 1024/2048 (high-resolution Spektrum radios)
- SumH & SumD (multi-channel systems)
- XBus (JR transmitters)
Built-in signal inverters allow plug-and-play connectivity with most receivers, eliminating the need for external hardware. This makes setup simple for both beginners and advanced pilots.
Programmable LED Outputs for Orientation and Night Flying
The controller features dedicated outputs for multi-colored programmable LED strips. Benefits include:
- Enhanced orientation for line-of-sight flying
- Improved visibility during night flights
- Customizable aesthetics for racing drones
- Easy identification during FPV competitions
Pilots can program LED behavior to match flight modes, battery warnings, or personal preferences, making the SP Racing F3 Flight Controller ACRO Version versatile and practical for all FPV environments.
Cleanflight Firmware Compatibility
The SP Racing F3 Flight Controller ACRO Version runs Cleanflight, a widely used open-source flight control firmware. Features include:
- Cross-platform GUI support (Windows/macOS/Linux)
- Customizable PID tuning and flight modes
- OSD layout configuration
- Firmware updates and community-driven enhancements
The Cleanflight community offers extensive support, tutorials, and shared configurations, enabling both beginners and advanced users to maximize their drone’s performance.
Additional Features of SP Racing F3 Flight Controller ACRO Version
OneShot ESC Support
The SP Racing F3 Flight Controller ACRO Version – NDB&C by LOFTY AGROTECH offers full support for OneShot ESCs, a critical feature for high-performance FPV racing and freestyle drones. OneShot ESCs reduce communication latency between the flight controller and motors, allowing faster motor response and sharper PID tuning. This translates to smoother flight, quicker maneuverability, and more precise control, especially during aggressive racing or acrobatic maneuvers where split-second reactions are essential.
Battery Monitoring
Maintaining proper battery health is crucial for safe and long flights. This flight controller comes with dedicated voltage and current monitoring ports, providing real-time telemetry directly to the OSD or ground station. Pilots can track battery consumption, detect low-voltage conditions, and prevent over-discharge, ensuring both the drone and battery remain safe. The integrated battery monitoring also aids in optimizing flight times and performance, giving pilots confidence in every mission.
Sonar Support
For precision low-altitude flying, the SP Racing F3 Flight Controller ACRO Version includes sonar sensor support. This feature is particularly useful for FPV drones navigating close to the ground or indoor environments. Sonar-assisted altitude hold allows the drone to maintain stable flight near surfaces, reducing the risk of collisions and making it an excellent tool for beginners or educational setups.
I2C Port
An always-powered I2C port expands the controller’s versatility by allowing connection to external sensors, OLED displays, or additional telemetry devices. The dedicated I2C bus ensures that peripherals operate reliably without interfering with the core flight control system. This makes it ideal for pilots who want to customize their FPV setup or add extra functionality without compromising stability.
Buzzer Port
The buzzer port provides audible alerts for critical events such as low battery, lost signal, or flight mode changes. This feature is especially valuable for FPV pilots who may not always be able to monitor visual telemetry. The buzzer serves as an early warning system, helping pilots respond quickly to potential issues and reducing the risk of crashes or lost drones.
Technical Specifications
| Specification | Details |
|---|---|
| Model | SP Racing F3-ACRO – NDB&C by LOFTY AGROTECH |
| Processor | ARM Cortex-M4 72MHz, STM32F303 CPU with FPU |
| Sensors | MPU6000 – 3-axis gyroscope and accelerometer |
| Input Voltage | 5V DC |
| Dimensions | 36 × 36 × 7 mm |
| Weight | 23g |
| MicroSD Slot | No (Onboard black box) |
| RC Protocols | SBus, PPM, PWM, Spektrum 1024/2048, SumH, SumD, XBus |
| I/O Connections | 36 total, including 8 PWM outputs and 8 PWM inputs |
| Firmware | Cleanflight |
| LEDs | Programmable multi-colored outputs |
| Package Includes | Flight Controller, 2 × 8-pin cables, 2 × 4-pin cables, Protective case, Pin headers, 2 × 2-pin cable |
The SP Racing F3 Flight Controller ACRO Version – NDB&C by LOFTY AGROTECH is engineered to provide high-performance flight control in a compact and lightweight package. Every specification is designed to ensure precision, responsiveness, and compatibility with a wide range of FPV drones.
Model and Processor
- Model: SP Racing F3-ACRO – NDB&C by LOFTY AGROTECH
- Processor: ARM Cortex-M4 72MHz, STM32F303 CPU with Floating Point Unit (FPU)
The next-generation ARM Cortex-M4 CPU allows fast PID loop calculations, sensor fusion, and flight stabilization, giving pilots ultra-responsive control. The integrated FPU (Floating Point Unit) ensures mathematical calculations are performed efficiently, reducing latency during aggressive racing or acrobatic maneuvers.
Sensors
- Gyroscope & Accelerometer: MPU6000 3-axis sensor
The MPU6000 sensor combines a gyroscope and accelerometer for precise motion tracking. This sensor fusion allows the flight controller to detect changes in orientation, acceleration, and angular velocity, ensuring stable flight and accurate responsiveness for acrobatic and high-speed FPV flying.
Input Voltage
- Operating Voltage: 5V DC
The controller is optimized for standard FPV drone power systems, ensuring reliable operation while minimizing the risk of voltage-related malfunctions.
Dimensions and Weight
- Dimensions: 36 × 36 × 7 mm (without shell)
- Weight: 23 grams
The compact 36x36mm footprint fits perfectly in mini quads, racing drones, and tight frame designs. Weighing just 23 grams, the controller minimizes drag and motor strain while maintaining high-performance stability.
MicroSD / Black Box
- MicroSD Slot: No
- Black Box Flight Logging: Built-in high-capacity onboard recorder
The controller uses an onboard black box to log detailed flight data, including PID performance, motor outputs, sensor readings, and flight mode transitions. This allows pilots to analyze flights, optimize tuning, and improve performance without relying on external storage.
RC Receiver Compatibility
- Supported Protocols: SBus, PPM, PWM, Spektrum 1024/2048, SumH, SumD, XBus
- Built-in Signal Inverters: Yes
This broad receiver compatibility ensures plug-and-play setup with almost all RC transmitters. Whether using digital protocols like SBus or legacy PWM, the SP Racing F3 Flight Controller ACRO Version can handle multiple systems without additional hardware.
I/O and Connectivity
- PWM Outputs: 8 dedicated channels
- PWM Inputs: 8 channels
- Total I/O Connections: 36
- Serial Ports: 3 hardware UART ports
- I2C Port: Always powered, suitable for external sensors or OLED displays
- Buzzer Port: For audible notifications and warnings
- Battery Monitoring Ports: Voltage and current support
- Sonar Support: For low-altitude precision control
The extensive I/O capabilities make this flight controller suitable for advanced FPV setups with multiple peripherals, including GPS, OSD, LED strips, sonar, and telemetry devices.
LED Support
- Dedicated Outputs for Multi-Colored LEDs
Programmable LED outputs enhance visual orientation, night flying, and aesthetic customization. Pilots can configure LED behavior based on flight modes, battery warnings, or personal preference.
Firmware and Software
- Firmware: Cleanflight (open-source)
- GUI Support: Cross-platform (Windows, macOS, Linux)
- Developer Features: SWD debugging port and unbreakable bootloader
The Cleanflight firmware allows full customization of flight parameters, OSD layout, flight modes, and telemetry. Open-source architecture ensures continuous community support, updates, and improvements.
Summary of Technical Highlights
- Processor: ARM Cortex-M4 72MHz CPU with FPU for fast flight calculations
- Sensors: MPU6000 3-axis gyroscope & accelerometer
- Size & Weight: 36x36mm, 23g compact and lightweight design
- Black Box Logging: Onboard high-capacity recorder for PID tuning
- I/O Capabilities: 36 connections, 8 PWM outputs, 3 serial ports, I2C, buzzer, battery monitoring
- Receiver Compatibility: SBus, PPM, PWM, Spektrum, SumH, SumD, XBus
- LED Support: Programmable multi-colored outputs
- Firmware: Cleanflight with cross-platform GUI and developer-friendly SWD port
- Applications: FPV racing, freestyle drones, mini quads, and educational use
Advantages of SP Racing F3 Flight Controller ACRO Version
High Performance for FPV Racing
The SP Racing F3 Flight Controller ACRO Version – NDB&C by LOFTY AGROTECH delivers ultra-fast response times and stable flight control, which is critical for competitive FPV racing. Its ARM Cortex-M4 72MHz CPU with FPU ensures that PID loops are calculated quickly, giving pilots instantaneous responsiveness. Whether navigating tight racing tracks, performing high-speed turns, or executing split-second maneuvers, this controller keeps the drone precisely under control, reducing the risk of crashes and improving lap times.
Lightweight and Compact Design
Weighing only 23 grams and measuring 36x36mm, the SP Racing F3 Flight Controller ACRO Version is perfect for mini quads, racing drones, and compact builds. Its lightweight design reduces motor strain and allows for faster acceleration, higher agility, and longer flight times. Despite its small footprint, it maintains full connectivity and I/O capabilities, allowing pilots to connect all necessary peripherals without compromise.
Ease of Use
With plug-and-play support for SBus, PPM, PWM, Spektrum, SumH, SumD, and XBus receivers, the flight controller is user-friendly and easy to set up, even for beginners. Its Cleanflight firmware compatibility provides an intuitive cross-platform GUI (Windows, macOS, Linux), enabling pilots to configure flight modes, PID settings, and OSD layout without complex procedures. Integrated OSD, buzzer, and LED outputs make it easy to monitor telemetry and maintain orientation during flight.
Open-Source Community Support
As an open-source flight controller, the SP Racing F3 ACRO Version benefits from a large, active community of developers and drone enthusiasts. Pilots can access firmware updates, troubleshooting guides, and shared configurations. This continuous improvement and community support ensures the controller remains up-to-date, stable, and compatible with a wide variety of FPV setups. Beginners can learn from tutorials, while advanced users can contribute to firmware enhancements or customize their setup.
Versatile Connectivity and I/O
The SP Racing F3 ACRO Version includes 36 I/O connections, 8 PWM outputs, 3 serial ports, I2C, sonar, buzzer, and battery monitoring. This wide-ranging connectivity ensures simultaneous use of OSD, SmartPort telemetry, GPS modules, LED strips, and up to 8 motors without performance degradation. Pilots can build advanced FPV drones with multiple sensors and accessories, knowing that the flight controller can handle the load efficiently.
Advanced Safety Features
Integrated battery monitoring, buzzer alerts, and sonar support enhance flight safety. Pilots receive early warnings for low voltage or lost signal conditions, while sonar assists in maintaining stable low-altitude flight, especially indoors or in complex environments. These features reduce the risk of crashes and improve flight reliability, making the SP Racing F3 Flight Controller ACRO Version ideal for both professional racing and educational drones.
Applications of SP Racing F3 Flight Controller ACRO Version
FPV Racing Drones
The SP Racing F3 Flight Controller ACRO Version is engineered for high-speed FPV racing drones, providing ultra-responsive control and stable flight characteristics under intense maneuvering. Its ARM Cortex-M4 72MHz CPU with FPU ensures fast PID loop calculations, which translates into split-second responsiveness to pilot inputs—essential for competitive racing. Integrated OSD allows pilots to monitor battery voltage, flight mode, and other telemetry in real time, giving a tactical advantage during races. With programmable LEDs, the aircraft is easily visible and oriented during high-speed turns or night races, making this controller a top choice for serious FPV racers.
Freestyle Drones
For freestyle pilots who enjoy aerobatics and acrobatics, the SP Racing F3 Flight Controller ACRO Version delivers smooth and precise flight control, enabling flips, rolls, and complex 3D maneuvers with confidence. Its high-speed processor and optimized sensor fusion ensure the drone responds instantly to stick inputs while maintaining stability. The onboard black box logging lets pilots analyze performance post-flight, refine PID settings, and perfect their freestyle skills over time. Whether performing aerial tricks for fun or competitive freestyle competitions, this flight controller provides the accuracy and control needed for professional-grade maneuvers.
Mini Quads
Designed with a compact 36x36mm footprint and 23g lightweight design, the SP Racing F3 Flight Controller ACRO Version is perfect for mini quad builds where every gram counts. Its versatile I/O capabilities allow connection to multiple peripherals such as GPS, OSD, sonar, and programmable LEDs, without compromising space or performance. Pilots building tight frames can integrate this flight controller seamlessly, ensuring maximum agility and efficiency for small drones, indoor racing, or micro quad setups. Its compact form factor combined with high processing power ensures these small drones fly with exceptional responsiveness and stability.
Educational Drones
The SP Racing F3 Flight Controller ACRO Version is an excellent tool for educational purposes, enabling students, hobbyists, and beginners to learn flight control, sensor integration, and PID tuning in a hands-on environment. With Cleanflight firmware and an open-source architecture, users can experiment with different flight modes, telemetry setups, and OSD configurations, gaining a deep understanding of drone mechanics and software. The onboard black box logging and I2C connectivity allow learners to visualize flight data, connect external sensors, and practice tuning without guesswork. This makes the controller an ideal choice for STEM learning programs, drone workshops, and DIY drone projects.
Package Contents
- 1 × SP Racing F3 Flight Controller ACRO Version – NDB&C by LOFTY AGROTECH
- 2 × 8-Pin Cable
- 2 × 4-Pin Cable
- 1 × Protective Case
- 3 × Pin Header Sets
- 2 × 2-Pin Cable
-
Conclusion
The SP Racing F3 Flight Controller ACRO Version – NDB&C by LOFTY AGROTECH is a high-performance, versatile, and compact flight controller designed for FPV racing, freestyle drones, mini quads, and educational applications. With its next-generation ARM Cortex-M4 72MHz CPU with FPU, integrated OSD, onboard black box flight logging, and broad I/O support, this controller provides unmatched precision, responsiveness, and stability in any flight scenario.
Its lightweight 36x36mm design, full compatibility with all major RC protocols, programmable LEDs, and Cleanflight firmware support make it suitable for both beginners and professional pilots. Whether you are racing competitively, performing freestyle acrobatics, building compact mini quads, or learning drone technology, the SP Racing F3 Flight Controller ACRO Version equips you with all the tools needed for optimal flight performance and complete control.
For pilots seeking reliability, configurability, and professional-grade features in a compact package, the SP Racing F3 Flight Controller ACRO Version – NDB&C by LOFTY AGROTECH is the ultimate choice for taking your drone flying to the next level.
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