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 18 - Jul 23

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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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4.2 ★★★★★
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Christopher Burwell
Pawtucket, US
★★★★★ 5
If you’re on the fence read this
Special Size: Low Stretch, Size: 40W x 30L, Color: Iced Light Wash, Special Size: Low Stretch, Size: 40W x 30L, Color: Iced Light Wash
In all honesty, I was skeptical about ordering jeans from Amazon. I’ve always bought my jeans in stores, but I figured I’d give it a shot. I ordered these jeans for an upcoming outdoor wedding because I wanted something lighter and thinner. They showed up today, and I threw them on. They fit great, feel good and comfortable, and they don’t look cheap. I’ll mainly be using these for outings, so I can’t really attest to the durability as far as working in them, but I’d still suggest them. For reference, I’m 5’8” and 230 lbs with a husky build—kind of fit, kind of fat.
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Reviewed in the United States on March 12, 2026
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Jack
Chelsea, US
★★★★★ 5
These are great jeans
Special Size: Low Stretch, Size: 34W x 28L, Color: Grey Wash
These are great jeans for the price especially
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Reviewed in the United States on May 3, 2026
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Snazzy74
Natrona Heights, US
★★★★★ 4
Run big
Special Size: Rigid, Size: 40W x 30L, Color: Medium Blue Vintage
Bought for my husband and very loose in butt and legs and he's normally that size so maybe buy a size down
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Reviewed in the United States on April 22, 2026
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MarkFL
Grantham, US
★★★★★ 5
A Great Buy - But Might Be Too Long
Special Size: Low Stretch, Size: 34W x 32L, Color: Dark Midnight Wash
These jeans are an excellent buy! I have only bought Eddie Bauer jeans for the last 25 years, but this time I couldn't find my size in the correct style. I prefer classic/relaxed in dark blue. I don't like the "pre-washed" or worn look. The Dark Midnight Wash was exactly what I wanted - new jeans. The waist measurement was perfect. Unfortunately, the 32 length was waaay too long. (All the Eddie Bauers were 34x32). So I just did an exchange for a 34x30, which should be good. Eventhough the length was too long, I'm still giving 5 stars. Different manufacturers cut sizes differently. It is what it is. And the return process was EZ and the replacement size was in stock. Seriously, there is really no quality difference between these Amazon Essential jeans and my old $60 E.B.s No one sees the label anyway!
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Reviewed in the United States on January 26, 2026
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RB_amazon_shopper
New York, US
★★★★★ 3
Weird sizing, snug in some places and much more “relaxed” in others
Special Size: Rigid, Size: 33W x 28L, Color: Black
Comfortable and close fit around waist, buttocks, crotch - but from thigh down trouser cuff it’s a VERY relaxed fit, much bigger than I need even with thick muscular legs. Not quite clown pants or bell bottoms, but a still a strange look. I’ll probably be sending them back.
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Reviewed in the United States on April 24, 2026

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