SpeedyBee F405 V5 Stack STM32F405 ICM42688P OX32 55A 4-in-1 ESC 3-6S Betaflight INAV
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Professional F405 Flight Stack with OX32 55A ESC, Bluetooth Tuning & 16MB Blackbox
The SpeedyBee F405 V5 is a next-generation FPV flight stack featuring the STM32F405 MCU, ICM42688P gyroscope with upgraded noise reduction, OX32 55A 4-in-1 ESC, and Wireless Tuning 2.0 via Bluetooth. With 16MB onboard Blackbox storage, 30.5×30.5mm mounting, 3-6S LiPo compatibility, and full support for Betaflight, INAV, and Ardupilot, the F405 V5 is the definitive flight stack for 5-inch FPV racing and freestyle builds. Available as FC only, ESC only, standard stack, Deluxe stack, or Anti Short Circuit protection tool.
Key Features
- STM32F405 MCU - 168MHz, 1MB built-in flash
- ICM42688P Gyro - Upgraded noise reduction with independent LDO
- OX32 55A 4-in-1 ESC - 55A continuous / 70A peak per channel
- 16MB Blackbox - Onboard flash, no SD card needed
- Wireless Tuning 2.0 - Bluetooth via SpeedyBee App
- 3-6S LiPo - Wide voltage range support
- 30.5×30.5mm - Standard FPV stack mounting
- Betaflight / INAV / Ardupilot - Multi-firmware support
- SPA06-003 Barometer - Altitude hold capability
- DJI Air Unit Direct Plug-in - 6-pin connector support
- X4 MeteorLED Strips - Controllable via Betaflight
- Wireless Firmware Update & Unbricking - Via Bluetooth
Perfect For
- 5-inch FPV racing builds
- Freestyle FPV drones
- Long-range FPV with INAV
- Fixed-wing with Ardupilot
- DJI O3/O4 Pro digital FPV builds
- Pilots wanting wireless tuning
- Builders wanting onboard Blackbox
- 3-6S power system builds
Configuration Options
F405 V5 Deluxe Stack - $209
- F405 V5 FC + OX32 55A 4-in-1 ESC
- Smart Voltage Tester + Short-Circuit Protection Tool
- Soldering practice board
- USB extension, pad extension, buzzer, and tools
- Complete premium package for new builds
F405 V5 55A Stack - $191
- F405 V5 FC + OX32 55A 4-in-1 ESC
- Standard stack without Deluxe accessories
- Best value for experienced builders
F405 V5 FC Only - $96
- SpeedyBee F405 V5 Flight Controller only
- STM32F405 + ICM42688P + 16MB Blackbox
- For builders with existing ESC
55A 4-in-1 ESC Only - $114
- OX32 55A 4-in-1 ESC only
- 55A continuous / 70A peak per channel
- For builders with existing FC
Anti Short Circuit Tool - $41
- Smart Voltage Tester + Short-Circuit Protection Tool
- Soldering practice board and accessories
- Essential safety tool for FPV builders
F405 V5 Flight Controller Specifications
- MCU: STM32F405
- IMU: ICM42688P
- Barometer: SPA06-003
- OSD: AT7456E
- Blackbox: 16MB onboard flash (128Mbit)
- USB: Type-C
- Bluetooth: Wireless Tuning 2.0 (SpeedyBee App)
- Wireless Firmware Update: Supported
- DJI Air Unit: 6-pin direct plug-in or solder
- Input Voltage: 3-6S LiPo
- 5V BEC: 9 groups, 1.5A total
- 9V BEC: 2 groups, 3A total (PINIO remote on/off)
- 3.3V Output: 1 group
- 4.5V Output: 3 groups
- ESC Signal: M1-M4 pads + 10-pin connector
- Servo Signal: S5-S6 pads
- ESC Telemetry: UART5
- I2C: GPS connector + pads
- Firmware: Betaflight 4.5.2 (SPEEDYBEEF405V5)
- Configurator: Betaflight 10.10.0
- Supports: Betaflight, INAV, Ardupilot
- Mounting: 30.5×30.5mm (M4)
- Dimensions: 39×39×4.9mm
- Weight: 8.1g
OX32 55A 4-in-1 ESC Specifications
- Firmware: OX32
- Continuous Current: 55A per channel / 220A total
- Peak Current: 70A per channel / 280A total
- TVS Protective Diode: Built-in
- External Capacitor: 1000μF solid capacitor
- Protocol: DSHOT300/600
- Input Voltage: 3-6S LiPo
- Current Sensor: Supported
- ESC Telemetry: Supported
- Mounting: 30.5×30.5mm (M4)
- Dimensions: 40.9×44.9×8.0mm (incl. heatsink)
- Weight: 19.1g
Advanced Features
ICM42688P with Independent LDO
The ICM42688P gyroscope features upgraded noise reduction with an independent high-PSRR LDO that effectively isolates power noise from the gyro circuit. This results in cleaner gyro data, smoother flight characteristics, and better filter performance in Betaflight — critical for high-performance racing and freestyle flying.
16MB Onboard Blackbox
128Mbit onboard flash provides 16MB of Blackbox storage without the compatibility issues of SD cards. Log your flights, analyze tune data, and diagnose issues with reliable, always-available Blackbox recording. The large capacity supports extended logging sessions at high data rates.
Wireless Tuning 2.0
Next-generation Bluetooth solution connects to the SpeedyBee App for wireless FC parameter tuning, firmware flashing, and even wireless unbricking — all without a USB cable. Tune your rates, filters, and PIDs directly from your phone at the field, then fly immediately to test changes.
OX32 55A ESC with DSHOT600
The OX32 firmware delivers exceptional ESC performance with DSHOT300/600 protocol support, built-in TVS protective diode, and 1000μF solid capacitor for voltage stability. The 55A continuous rating (70A peak) handles the most demanding 5-inch builds on 6S power with headroom to spare.
Multi-Firmware Support
Full support for Betaflight (racing/freestyle), INAV (GPS navigation and fixed-wing), and Ardupilot (advanced autonomous flight) makes the F405 V5 one of the most versatile flight controllers available. Switch between firmware targets to adapt the same hardware to different aircraft and mission types.
DJI Air Unit Integration
Native 6-pin direct plug-in connector for DJI Air Units (O3, O4 Pro) simplifies digital FPV integration without soldering. The 9V BEC output with PINIO remote on/off control enables clean power management for your DJI video system.
X4 MeteorLED Strips
Supports 4 colorful meteor-style arm LED strips and multicolor battery LEDs, all controllable via Betaflight LED strip configuration. Add visual flair to your build while maintaining full flight performance.
What's Included
Contents vary by configuration selected:
- All Stack versions: F405 V5 FC + OX32 55A 4-in-1 ESC
- Deluxe Stack adds: Smart Voltage Tester, Short-Circuit Protection Tool, soldering practice board, USB extension, pad extension, buzzer, tools
- FC Only: F405 V5 Flight Controller
- ESC Only: OX32 55A 4-in-1 ESC
- Anti Short Circuit: Smart Voltage Tester + Short-Circuit Protection Tool + accessories
Important Notes
- SpeedyBee F405 V5 flight stack
- STM32F405 MCU at 168MHz
- ICM42688P gyroscope with independent LDO
- OX32 55A 4-in-1 ESC (55A continuous / 70A peak)
- 16MB onboard Blackbox flash
- Wireless Tuning 2.0 via Bluetooth
- 3-6S LiPo input voltage
- 30.5×30.5mm standard mounting
- DSHOT300/600 protocol
- Betaflight 4.5.2 pre-installed
- Supports Betaflight, INAV, Ardupilot
- DJI Air Unit 6-pin direct plug-in
- SPA06-003 barometer
- Type-C USB port
- Battery and motors not included
- Recommended for ages 14+
Shipping Policy
Estimated Delivery: Orders typically arrive within 3-7 business days to most locations in North America.
International Shipping: Available with tracking. Transit times vary by destination.
Return & Guarantee Policy
Money-Back Guarantee: Not satisfied? We offer a 30-day return policy for a full refund or exchange.
Technical Support: Need help with compatibility or setup? Contact our FPV experts for free assistance.