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SPEEDY BEE

SpeedyBee F405 Mini Flight Controller Stack board 3-6S 20x20mm Built-in Bluetooth with 35A BLHeli_S 4in1 ESC Board Support Wireless Tuning

  • Based on 50 reviews
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Size: F405 Mini FC ESC Stack


Features

  • Efficient Configuration & Performance: The SpeedyBee F405 Mini 35A Stack offers wireless FC & ESC configuration via the SpeedyBee app and a powerful 35A 4-in-1 BLHeliS ESC. Ideal for 2-4 inches and ultra-light 5-inch, this stack is proven for strong performance.
  • User-Friendly Features: Equipped with onboard battery life indicators, blackbox storage, and the ability to change motor directions wirelessly, this product ensures a convenient and seamless flying experience.
  • Flexible Compatibility & Power: Compatible with both M2 and M3 installation holes, and providing 5V 2A & 9V 3A dual BECs, the SpeedyBee F405 Mini Stack offers adaptable power options for various setups.
  • Air Unit Support: With compatibility for DJI Air Unit O3 / Link / Vista, this flight stack ensures integration with popular systems, enhancing your flight capabilities.

Brand: SPEEDY BEE


Model Name: SpeedyBee F405 Mini BLS 35A 20x20 Stack


Special Feature: Wireless


Age Range (Description): Kid


Color: black


Video Capture Resolution: 4K


Connectivity Technology: Bluetooth


Included Components: /


Item Weight: 10 Grams


Video Capture Format: MP4


Remote Control Technology: Bluetooth


Control Type: Remote Control


Wireless Communication Technology: Bluetooth


Battery Cell Composition: Lithium Polymer


Are Batteries Included: No


Remote Control Included?: No


Optical Sensor Technology: CMOS


Rechargeable Battery Included: No


Manufacturer: SpeedyBee


Product Dimensions: 0.39 x 0.39 x 0.39 inches; 0.35 ounces


Item Weight: 0.353 ounces


Date First Available: August 8, 2023


Frequently asked questions

This product is currently out of stock. Please check back later for shipping info.

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Can't go wrong with SpeedyBee
love speedybee, Its a bit hard to solder since it's a mini board but i was able to manage, definitely should've gotten a normal size stack specially since this was my first time building but i was able to manage, just get a practice board or take your time and get a good soldering iron and flux! DO NOT underestimate having flux and a good soldering iron that gets to the right temp. i also love that speedybee has a wifi module on them so you don't need to use a USB and wirelessly connect to the their app that's basically betaflight ... show more
Reviewed in the United States on May 19, 2025 by Choa
    • A
This is my go-to stack. It's reliable, hardy and space saving. I've run it on heavier 5in quads too, just upped the cap to a 50v to help with any spikes that might happen on high throttle. But for my 3 and 4in this is what I reach for a new build.
Reviewed in the United States on April 13, 2025 by ray valencia
    • Would definitely order another
I put this in my geprc baby croc 5" and paired with some 2105.5 2650kv hglrc specters and the thing rips. Didn't expect to get 100mph with a 1500mah 4s either..
Reviewed in the United States on March 19, 2025 by Tsim
    • So the first one had a few bad fets.
Review Image by SgtKickAzzTTv SgtKickAzzTTv
That was a big unfortunate setback especially when I was building a quad for a client of mine, & right when they received the quad it was great UNTIL, they turned it on, & attempted to go into beta flight. So, I got it replaced. Now all is well, still though it made my life a whole lot harder, & also upset a good client of mine. ... show more
Reviewed in the United States on December 25, 2024 by SgtKickAzzTTv SgtKickAzzTTv
    • SpeedyBee is a decent brand and I’m enjoying my 3.5 drone
This controller is great
Reviewed in the United States on November 4, 2024 by Gregory Madaj
    • Great Bluetooth
Great stack with bluetooth features. Makes it easy to change settings without dragging a computer along.
Reviewed in the United States on August 23, 2024 by Cliff
    • Out the box.
Flight controller had no gyro out of the box, tried flashing it , same I will no longer be ordering fov parts from here, that's wrong, speedybee knows about this, and yet will not replace it wrong wrong, not happy Amazon.
Reviewed in the United States on April 3, 2024 by Out the box. This was a not so good, out of the box experience, the flight controller had no gyro what am l to do with these, tried flashing same no gyro, that's a slightly different rip. Will not be ordering any more parts from there, let's see the stock here first, no will not be using any more speedybee devices. Thanks not cool. Like someone is listening. Still not cool Amazon.
    • Got a dud.
I've heard so many good things about this so I gave it a try. For some odd reason the fc would not power at all via the ESC harness - only unless I plugged it in via USB. I repair drones/flight controllers as a side gig and have never had this happen. Hopefully the replacement will work ok. EDIT: Replacement worked, but was super fiddly and would either not power the fc properly or spin certain motors. I found it was due to the wiring harness. I don't know what's wrong with it, but it took a lot of unplugging and replugging the harness to get everything to work finally. It seems secure but I'm a little worried that one crash will cause problems again. ... show more
Reviewed in the United States on September 1, 2024 by Brad Hofbauer

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