Powered by a high-speed STM32H743 (480MHz) processor, delivering ultra-fast loop times and precise flight control — even in the most demanding racing and freestyle conditions.
Dual BEC – Stable Power Under Full Load
Run your entire setup with confidence. Dual independent BEC outputs (5V/3A + 10V/2A) provide clean and stable power for HD VTX, receivers, and peripherals — no voltage drops, even during aggressive throttle punches.
Ultra-Clean Signal with Dual Gyro System
Equipped with dual gyros and advanced LDO filtering to minimize electrical noise. Synchronized clock system ensures perfectly aligned data sampling for sharper, more locked-in flight performance.
Race-Tuned Layout for Real Pilots
Optimized solder pad layout designed with pro pilots in mind — making builds faster, cleaner, and more reliable.
Analog & HD Ready
Fully compatible with both analog and HD FPV systems, giving you maximum flexibility for any build.
Compact 20×20 Design for Tight Builds
Engineered for performance builds where space matters — perfect for lightweight racing drones and freestyle rigs.
Pairs well with
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ZEXFPV STM32 H743 FC
STM32 H743 MINI
$129.90
Watch a tech creator put the ATHENA H743 MINI to the test — from build quality to in-flight performance.
Real-World Test. Real Performance.
See how it performs where it matters most. From clean soldering and layout design to power stability and flight response, this hands-on review breaks down every detail.
No specs hype — just real testing, real feedback, and real results you can trust.
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Unmatched H743 Processing Power
Powered by a 480MHz STM32H743 MCU for lightning-fast response and ultra-low latency. Delivers faster loop times and sharper stick input feedback. Perfect for racing, freestyle, and cinematic FPV builds. Stay precise even under aggressive flying conditions.
Dual BEC, Stable Under Full Load
Independent 5V/3A + 10V/2A dual BEC outputs ensure clean power delivery. Supports HD VTX, receiver, GPS, and other peripherals with ease. No voltage drops during hard throttle punches. Built for stable performance in demanding flights.
Dual Gyro for Cleaner Flight Data
Dual gyro system combined with advanced LDO filtering reduces signal noise. Delivers cleaner flight data and more accurate gyro readings. Synchronized clock design improves sampling precision. Enjoy a smoother and more locked-in flight feel.
Race-Tuned Layout for Faster Builds
Optimized solder pad layout makes wiring faster and cleaner. Designed for easy installation and better cable management. Reduces build complexity and improves reliability. Built by pilots, for real FPV flying.
In FPV, every millisecond matters.
Every signal, every input, every correction defines the difference between a smooth line and a missed opportunity.
The ATHENA H743 FC was built for pilots who demand absolute control — combining raw processing power, ultra-clean signal integrity, and rock-solid power delivery in a compact 20×20 design.
This isn’t just a flight controller.
It’s the core of a system engineered to push limits.
ZEXFPV STM32 H743 MINI FC
Main Controller: STM32H743 (480MHz) IMU: ICM42688-P * 2 Blackbox: Winbond 16MB Flash Memory Built-in BEC: DC 5V/3A; DC 10V/2A Motor Outputs: 4 USB: Type-C UART1: ESC Telemetry UART2: SBUS UART3: DJI VTX (Connector) UART4: RC (Full UART) UART7: VTX (Full UART) UART8: GNSS (Full UART) Analog VTX OSD: AT7456E Buzzer: Yes Mounting Pattern: 20.5mm x 20.5mm (M4) Weight: 6.6g Dimensions: 29.1 (L) x 29.1 (W) x 7.6 (H) Barometer: SPA06-003 Battery Input Voltage: 2S–8S
ZEXFPV STM32 H743 FC（Single Gyro）
Main Controller: STM32H743 (480MHz) IMU: ICM42688-P Blackbox: 16MB Flash Memory Built-in BEC: DC 5V/3A; DC 10V/2A; DC 4.5V/0.5A Motor Outputs: 8*Motor Output Servos: Supported USB: Type-C UART1: RX1 (RX ONLY) UART2: RC2 (Connector) UART3: GNSS (Full UART) UART4: VTX (Full UART) UART6: Spare (Full UART) UART7: Spare (Full UART) UART8: Spare (Full UART) Analog VTX OSD: AT7456E Buzzer: Yes Mounting Pattern: 30.5mm x 30.5mm (M4) Weight: 11g Dimensions: 37 (L) x 37 (W) x 8 (H) mm Barometer: SPA06-003 Battery Input Voltage: 2S-8S
ZEXFPV STM32 H743 FC PRO（Dual Gyro）
Main Controller: STM32H743 (480MHz) IMU: ICM42688-P Blackbox: 16MB Flash Memory Built-in BEC: DC 5V/3A; DC 10V/2A; DC 4.5V/0.5A Motor Outputs: 8*Motor Output Servos: Support USB: Type-C UART1: RX1 (RX ONLY) UART2: RC2 (Connector) UART3: GNSS (Full UART) UART4: VTX (Full UART) UART6: Spare (Full UART) UART7: Spare (Full UART) UART8: Spare (Full UART) Analog VTX OSD: AT7456E Buzzer: Yes Mounting Pattern: 30.5mm x 30.5mm (M4) Weight: 11g Dimensions: 37 (L) x 37 (W) x 8 (H) mm Barometer: SPA06-003 Battery Input Voltage: 2S-8S
What peopleare saying
Deniel_fpv
As a product reviewer, I truly appreciate the opportunity to test and evaluate ZEX’s FC. After extensive flight testing, I’m genuinely impressed by its overall performance and build quality. The stability provided by the H7 gyro is excellent, delivering smooth and precise control throughout the flight. This level of stability reflects a high standard of engineering that pilots can rely on.
cicefpv
Zex H7 Flight Controller: High-Performance Core Featuring an ultra-responsive H7 processor, this flight controller is engineered for precise control and instant feedback. It is built to deliver exceptional stability and uncompromised performance at the heart of your electronics.
luceeds
I have flown these stacks - and i have to admit - im super impressed both in looks, quality and most importantly - the performance - the best electronics ive ever used
sumpitkotor
After a recent crash with my long-range drone, I upgraded to the Zex Athena H743. This high-performance flight controller features a powerful H7 processor in a perfect 30x30 mounting size. It is designed with extensive UART pads and supports full PNP (Plug-and-Play) socket-to-socket connectivity. It even includes dual ESC sockets, making it ideal for large and complex drone builds. I’m ready to explore the skies again with the support of Zex FPV.
bayu_ariare
The ESC and FC work great.The power is smooth and insane.I really hope to use this ESC and FC in all my quad races.
vh.fpv
My experience with ZEXFPV's ESC and FC has been really solid so far. The setup was straightforward, everything runs smoothly, and I’ve had consistent and reliable performance during my flights especially in demanding conditions.Overall, I’m very satisfied with the quality and stability of the system, and it definitely gives me confidence when flying.
thomas_ov4
The FC is complete, many UART available for such a small card!
FC FAQ
ZEXFPV STM32 H743 FC
What’s the difference between H743 MINI FC, H743 FC, and H743 PRO FC?
The main differences are size, gyro configuration, and intended use case.
H743 MINI FC — 20×20mm compact stack, dual gyros, ideal for lightweight 3–5” racing and freestyle builds H743 FC — 30.5×30.5mm standard stack, single gyro, ideal for everyday 5” freestyle and cinematic builds H743 PRO FC — 30.5×30.5mm standard stack, dual gyros, designed for premium tuning performance and ultra-smooth flight feel
If you want the best possible tuning and gyro filtering performance, the PRO version is the top choice.
Which drone build should I choose each FC for?
Each model is optimized for different FPV setups.
MINI → lightweight freestyle, racing, tight builds H743 FC → standard 5” freestyle, long-range, cinematic PRO → advanced freestyle, professional cinematic, X8 custom builds
For most 5” freestyle drones, the H743 FC / PRO FC is the most common choice.
Are all three FCs compatible with DJI O3, Walksnail, and analog VTX?
Yes — all three flight controllers are compatible with DJI O3 / Vista, Walksnail, HDZero, and analog video systems.
They include dedicated UART ports and clearly labeled pads for:
VTX camera receiver GPS telemetry
This makes installation clean and builder-friendly.
What battery voltage do they support?
All three models support 2S–8S LiPo input, giving you full flexibility from lightweight freestyle setups to high-power long-range and racing builds.
Which firmware target should I use in Betaflight?
Please use the correct target based on the model.
H743 MINI FC → ZEX_ATHENA_MINI H743 FC / H743 PRO FC → ZEX_ATHENA_STD_PRO
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