STM32F405 Flight Controller：High-performance processing core delivers stable, responsive flight control for precise handling.
Direct DJI Air Unit Plug-and-Play：Solder-free integration simplifies installation, reduces build time and wiring clutter.
Dual Independent 9V/5V BEC: Provides clean, reliable power for your DJI FPV system and other onboard accessories.
GEP-BLS50A 4-in-1 ESC: 50A continuous current support enables smooth throttle response and powerful motor output.
ICM42688-P Gyro + 16MB Blackbox: Ensures accurate motion tracking and offers ample data logging for flight analysis and tuning.
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Description
FAQ
Summary
GEPRC TAKER F405 BLS 50A STACK is a plug-and-play stack system specially designed for DJI Air Unit. Use STM32F405 chip, ICM42688-P gyroscope, integrated 16M black box, and GEP-BLS50A-4IN1 ESC to have a more delicate hand feeling experience.
The GEPRC TAKER F405 BLS 50A STACK can be directly plugged into the DJI Air Unit, which can save the trouble of soldering. Upgrade the type-C USB connector, which greatly improves the service life of the socket and reduces the risk of poor contact. 9V 2.5A + 5V 3A dual independent BEC, more stable power supply for external devices.
Features
1. Use mainstream STM32F405 chip
2. Equipped with the latest 42688-P gyroscope
3. 16M black box storage
4. Integrated LC filter
5. Upgrade type-C USB interface
6. Directly plugged into the DJI Air Unit
7. With GEP-BLS50A-4IN1 ESC, the flying feel is silky
8. Simple and reasonable installation method, the shock absorber can make the gyroscope work very stably
10. 9V 2.5A + 5V 3A dual independent BEC
Specifications
GEP-F405-HD v2 Flight Controller
MCU: STM32F405
IMU: ICM42688-P(SPI)
Air Unit Connection: Direct plugging into DJI Air Unit
Black Box: 16M onboard
USB Connector: Type-C
OSD: BetaFlight OSD w/ AT7456E chip
BEC: 5V,9V dual BEC
Firmware Target: GEPRCF405
Size: 36.8×36.8mm, hole 30.5×30.5mm，φ4mm hole becomes φ3mm after using a silicone shock-absorbing circle.
Input Voltage: 3-6S LiPo
UART: 6
Power Filter: Integrated LC filter
Weight: 7.7g
GEP-BLS50A-4IN1 ESC
Input Voltage: 3-6S Lipo
Galvanometer: Support
Continuous Current: 50A
Burst Current: 55A（5s）
Support Protocol: Oneshot125/Oneshot42/Mulishot modes/Dshot 150/300/600
Size: 42.9×39.7mm, hole30.5×30.5mm，φ4mm hole becomes φ3mm after using the silicone shock-absorbing circle.
Weight:13.7g
Target: G_H_30
Includes
1 x Flight Controller
1 x ESC
1 x Capacitor
1 x DJI Air Unit Adapter Cable
1 x Flight Controller Adapter Cable
1 x XT60 Power cable
4 x M3*30 Screws
4 x M3*24 Screws
8 x Nylon nuts
8 x Silicone grommets
2 x sh1.0 4pinsilicone cable
1 x Camera connection cable
Recommendations:
Reviews
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like it，so cool
Specification：F405 BLS 50A
FAQFeel free to ask us any questions
ASK A QUESTION
Q: What is the GEPRC TAKER F405 BLS 50A Stack designed for?
A: The GEPRC TAKER F405 BLS 50A Stack is designed for 5-inch FPV freestyle and racing drones using 3–6S LiPo setups, offering plug-and-play DJI Air Unit support.
Q: Is this stack compatible with DJI O3 / Air Unit?
A: Yes — it supports direct plug-and-play DJI Air Unit / O3 systems, reducing soldering and wiring complexity.
Q: What makes this stack beginner-friendly?
A: Its plug-and-play design, Type-C USB, and pre-integrated wiring make it easier to build compared to traditional stacks.
Q: What flight controller chip does it use?
A: It uses the STM32F405 processor, known for stable performance and wide Betaflight compatibility.
Q: What gyro is used in this stack?
A: It features the ICM42688-P gyro, offering low noise and high precision for smooth flight control.
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