SKU: 85455054940

SpeedyBee F405 V4 Flight Controller

Sale price$26.00 Regular price$28.89
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Ships within 48 hours · Estimated delivery Jul 20 - Jul 25

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Description

SpeedyBee F405 V4 Flight ControllerThe FPV Struggle is Real! So, you're an FPV pilot with dreams as high as the stratosphere, huh? Well, we both know the struggle. You juggle between a dozen apps, your flight logs are messier than a toddler's bedroom, and "Battery Anxiety" might as well be your middle name. Frankly, it's easier herding cats than getting your flight setup juuuust right. Imagine if Tony Stark Built Flight Controllers What if your flight controller wasn't just a piece of

🚀The FPV Struggle is Real!

So, you're an FPV pilot with dreams as high as the stratosphere, huh? Well, we both know the struggle. You juggle between a dozen apps, your flight logs are messier than a toddler's bedroom, and "Battery Anxiety" might as well be your middle name. Frankly, it's easier herding cats than getting your flight setup juuuust right.

🌈 Imagine if Tony Stark Built Flight Controllers

What if your flight controller wasn't just a piece of hardware but a dedicated flight manager? One that could handle your black box, manage your ESCs, and still have enough power left over to throw a virtual high-five. A board so smooth, even your quad would swipe right.

🎉 The SpeedyBee F405 V4 30x30—The Symphony of Flight Perfection!

Behold the SpeedyBee F405 V4 30x30 Flight Controller. It's like the Swiss Army knife of the FPV world, just without the awkward toothpick.

✨ Key Highlights

  • Turbocharged STM32F405 CPU : Because the '90s called, and they want their F411 back.
  • Built-in 4-Level Battery Indicator : Say "peace out" to LiPo checkers and squinting at minuscule LED indicators.
  • Blackbox SD Card Slot : With support for 4GB of memory, you can log enough flights to give the black box of Air Force One a run for its money.
  • Onboard Bluetooth + SpeedyBee App : Why be tied down? Go wireless and tweak your setup with your smartphone like the millennial you are.
  • MaxLinear's Power Chip : You'd think it's overkill, but when you're pulling those maneuvers, you need stability that even a tightrope walker would envy.

🛠 Specs for the Tech-Savvy

Product Name SpeedyBee F405 V4 30x30 Flight Controller
MCU STM32F405
IMU(Gyro) ICM42688P
USB Port Type Type-C
Barometer Built-in
OSD Chip AT7456E chip
BLE Bluetooth Supported. Used for Flight Controller configuration (MSP should be enabled with Baud rate 115200 on UART4)
WIFI Not supported
DJI Air Unit Connection Way Two ways supported: 6-pin connector or direct soldering.
6-pin DJI Air Unit Plug Supported. Completely compatible with DJI O3/RunCam Link/Caddx Vista/DJI Air Unit V1, no wire is needed to be changed.
Blackbox MicroSD Card Slot *Betaflight firmware requires the type of the microSD card to be either Standard (SDSC) or High capacity (SDHC) under 32GB, so extended capacity cards (SDXC) are not supported(Many high-speed U3 cards are SDXC). Also the microSD card MUST be formatted with the FAT16 or FAT32 (recommended) format, you could use any SD card less than 32GB, but the Betaflight can only recognize 4GB maximum. We suggest you use this 3rd party formatting tool and choose 'Overwrite format' then format your card. Also check out here for the recommended SD cards or buy the tested cards from our store.
Current Sensor Input Supported. For SpeedyBee BLS 55A ESC, please set scale = 400 and Offset = 0.
Power Input 3S - 6S Lipo(Through G, BAT pins/pads from the 8-pin connector or 8-pads on the bottom side)
5V Output 9 groups of 5V output, four +5V pads and 1 BZ+ pad( used for Buzzer) on front side, and 4x LED 5V pads. The total current load is 3A.
9V Output 2 groups of 9V output, one +9V pad on front side and other included in a connector on bottom side. The total current load is 3A.
3.3V Output Supported. Designed for 3.3V-input receivers. Up to 500mA current load.
4.5V Output Supported. Designed for receiver and GPS module even when the FC is powered through the USB port. Up to 1A current load.
ESC Signal M1 - M4 on bottom side and M5-M8 on front side.
UART 6 sets(UART1, UART2, UART3, UART4(Dedicated for Bluetooth connection)), UART5(Dedicated for ESC telemetry),UART6
ESC Telemetry UART R5(UART5)
I2C Supported. SDA & SCL pads on front side. Used for magnetometer, sonar, etc.
Traditional Betaflight LED Pad Supported. 5V, G and LED pads on bottom of the front side. Used for WS2812 LED controlled by Betaflight firmware.
Buzzer BZ+ and BZ- pad used for 5V Buzzer
BOOT Button Supported.
[A]. Press and hold BOOT button and power the FC on at the same time will force the FC to enter DFU mode, this is for firmware flashing when the FC gets bricked.
[B]. When the FC is powered on and in standby mode, the BOOT button can be used to controller the LED strips connected to LED1-LED4 connectors on the bottom side. By default, short-press the BOOT button to cycle the LED displaying mode. Long-press the BOOT button to switch between SpeedyBee-LED mode and BF-LED mode. Under BF-LED mode, all the LED1-LED4 strips will be controlled by Betaflight firmware.
RSSI Input Supported. Named as RS on the front side.
Smart Port / F.Port Not supported
Supported Flight Controller Firmware BetaFlight(Default), INAV
Firmware Target Name SPEEDYBEEF405V4
Mounting 30.5 x 30.5mm( 4mm hole diameter)
Dimension 41.6(L) x 39.4(W) x 7.8(H)mm
Weight 10.5g

🌐 One App to Rule Them All

Say goodbye to the tedious setups and calibration. With the SpeedyBee App, your smartphone becomes the ultimate FC configurator. We're talking pitch, yaw, roll, and even that crazy trick you're scared to tell your friends about. All configurable, right from your phone. Seriously, what's not to love?

⚡ Clean Power = Clean Flights

Did we mention surge protection is upped by 320%? Yeah, you read that right. With dedicated power supply to the gyroscope, even your most daring stunts will feel like a walk in the park.

📦 What's in the Box?

  • SpeedyBee F405 V4 30x30 Flight Controller
  • Accessories Kit (content may vary)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 85455054940

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4.0 ★★★★★
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Jordan W.
Pawtucket, US
★★★★★ 5
Suprisingly great jeans.
Special Size: Midweight, Size: 29W x 32L, Color: Grey Wash
Love the fit and style of these. The waste is abnormally small, I purchased a 29 but also 30 would have been better. The rest of the fit is great, color is great, good mix between stretchy and stiff.
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Reviewed in the United States on February 10, 2026
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Amazon Customer
West Palm Beach, US
★★★★★ 5
I like them, would buy again.
Size: 34W x 32L, Color: Tinted Light Wash
Fit nice, dont look nor feel cheap. The fit is nice and true to whats marketed. Material is not hard.
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Reviewed in the United States on June 4, 2026
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Pen Name
Los Angeles, US
★★★★★ 4
Too baggy! (UPDATE): Bought this style of jeans again and they fit great!
Size: 31W x 30L, Color: Tinted Light Wash
These jeans are too baggy for my liking. Edit: I purchased more jeans of this style recently again and for some reason they fit a lot better to my liking than before when I first left the initial review for this. I have updated my review from 3 stars to 4 stars now. I purchased the black, grey, dark wash and tinted medium blue, and all 4 had a good fit on me. My original review stated that it was too baggy but the 4 jeans I just bought had a fitted look which is what i prefer, not too baggy and not to slim/skinny. I want to point out that the fit varies from the color choices. For example, the black, grey and dark wash jeans, i went with a size 32x30 because 31x30 for those colors were too tight/slim on me and for the tinted medium blue, i downsize to 31x30 because 32x30 for this color is too baggy. So buy the size you usually wear and if it's too slim or baggy then send it back and size up or down. Buying jeans on Amazon, i feel that you will have to buy a few different sizes and see which one fits you the best and then go from there. Edit (3/7/26): sizing is very inconsistent. So my previous edit above stated that the jeans I recently purchased fit great on me, and that's true, so I decided to buy another jean, same color and same size, this time the jean fit way too small/tight. I feel like amazon needs to do better quality control on these jeans. How does 2 pairs of the same jeans/color/size have such an inconsistent in size/fitting to it!
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Reviewed in the United States on December 14, 2025
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Amazon Customer
Whiting, US
★★★★★ 5
Great fitting jeans just as nice as any name brand you can buy !
Size: 34W x 28L, Color: Tinted Light Wash
So I have been on a weight loss journey and the Amazon jeans have been my go to. For one to me they are just as nice as any of the name brands. They fit well are comfortable and honestly they are all I have purchased for a few years now. I’m also super short and this is one of the few brands I can find in a 29 length and that also saves me money since I don’t have to take them to a tailor to be modified. Material is nice to the touch nice thickness and has all the pockets you would expect in a blue jeans. Again great value for the money and this is about my 5th pair of these in various colors. I highly recommend give them a try and you will be hooked !
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Reviewed in the United States on December 14, 2025
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marissa
Port Orchard, US
★★★★★ 5
Definitely a repurchase!
Size: 31W x 30L, Color: Tinted Light Wash
Love these jeans! Fit so well and feel great too
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Reviewed in the United States on April 16, 2026

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