SKU: 74961699498

Happymodel CrazyF405HD ELRS AIO 12A Flight Controller

Sale price$31.09 Regular price$34.54
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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15

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Description

Happymodel CrazyF405HD ELRS AIO 12A Flight ControllerIntroducing the Turbo Boosted, Astro Geared, Drone Driver Prepare for launch! Strap in for a joyride with the Happymodel CrazyF405HD ELRS 1 2S AIO FC the cutting edge flight controller that's turning heads in the drone world! But be warned, this isn't your grandma's flight controller. Built with a taste for adrenaline and an eye for precision, this aerial ace is for the tech heads, the sky gazers, and the flight fanatics. Crafted with intricate care

Introducing the Turbo-Boosted, Astro-Geared, Drone Driver

Prepare for launch! Strap in for a joyride with the Happymodel CrazyF405HD ELRS 1-2S AIO FC - the cutting-edge flight controller that's turning heads in the drone world! But be warned, this isn't your grandma's flight controller. Built with a taste for adrenaline and an eye for precision, this aerial ace is for the tech-heads, the sky gazers, and the flight fanatics.

Crafted with intricate care and surgical precision, this flight controller is loaded with a Serial ELRS receiver, 4-IN-1 Blheli_S 12A ESC, and a whole suite of other features that make your average flight controller look like a paper airplane. It's designed for Digital HD FPV, making it an excellent copilot for your Tinywhoop, Cinewhoop, Toothpick or any other small FPV drone. It makes flights smoother than a buttered pancake on a non-stick pan.

Fed up with outdated analog OSD chips? The CrazyF405HD has tossed those aside like yesterday's newspaper. Its optimised PCB layout and support for 1-2S Lipo/LiHV lithium batteries offer a quantum leap in performance. Plus, with Betaflight/INAV firmware, BMP280 barometer, 8MB blackbox, and 3 full sets of UARTs, you're guaranteed a state-of-the-art flying experience. Please note, we do not offer software level support for BetaFlight/Inav

To sum it up, the Happymodel CrazyF405HD is lighter than a feather, faster than a cheetah, and packed with more features than a Swiss army knife. It's designed to soar above and beyond ordinary controllers and take your flying experience to stratospheric heights.

Key Features:

  • Brand: Happymodel
  • Built-in Serial ExpressLRS 2.4G
  • 4-in-1 Blheli_S 12A ESC
  • Compatible with Betaflight/INAV firmware
  • Integrated BMP280 barometer and 8Mbp blackbox
  • Power supply: 1-2S LiPo/LiPo HV
  • Firmware target: BetaflightF4
  • Optimised PCB layout

Specifications:

  • Model: CrazyF405HD ELRS 1-2S AIO Flight controller
  • Mount size: 25.5mmx25.5mm
  • Weight: 4.8g (excluding power lead wire)
  • Supports 1-2s Lipo/LiHV battery
  • Firmware target: BetaflightF4
Flight controller MCU: STM32F405RGT6 (168MHZ, 1Mbyte FLASH)
GYRO Sensor: BMI270 (SPI connection)
Mount hole size: 25.5mm*25.5mm
Power supply: 1-2S battery input (DC 2.9V-8.7V)
Built-in 12A(each) Blheli_S 4in1 ESC
Built-in Serial ExpressLRS 2.4GBuilt-in BMP280 Barometer
Built-in 8MBp blackbox
Built-in voltage meter sensor , voltage meter scale 110Built-in current meter sensor , current meter scale 470
Onboard 4in1 ESC Power supply: 1-2S LiPo/LiPo HV
Current: 12A continuous peak 15A (3 seconds)
Support BLHeli_S Bluejay firmware
Factory firmware: Bluejay ESC V0.19Firmware target: Z-H-30
Default protocol: DSHOT300
When use 1s battery and high KV 0702/0802 motors, should set startup power to 1100/1200
Onboard UART ExpressLRS 2.4GHz Receiver Packet Rate option: 25Hz/50Hz/150Hz/250Hz/500Hz
RF Frequency: 2.4GHz
Antenna: enameled copper wire 31mm length
Telemetry output Power: <12dBm
Default firmware version: ExpressLRS V3.0.1
Firmware target: HappyModel EP 2400 RX
Could update firmware via ExpressLRS configurator

So, don't just stand there! Grab the controller that's rewriting the rules and get ready to unleash the pilot within. This is Happymodel CrazyF405HD - your ticket to the skies.

Included

  • 1x CrazyF405 Flight Controller
  • 1x Accesories Kit (contents may vary based on supply)

For original factory 4.3.2 version firmware, if you want to use BMP280 barometer, please connect to betaflight configurator and then move to CLI command, then type the following command:

resource I2C_SCL 2 B10
resource I2C_SDA 2 B11
set baro_bustype = I2C
set baro_i2c_device = 2
save
If you upgrade the firmware to 4.4.2 and want to use BMP280 barometer, please add BPM280 support to custom defines, following the procedure:
1. Enable expert mode on firmware flasher tab
2. Add BARO_BMP280 to custom defines
3. Flash the board
4.Configure resources for external BARO device for the flight controller in CLl:
resource I2C_SCL 2 B10
resource I2C_SDA 2 B11
set baro_bustype = I2C
set baro_i2c_device = 2
save
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: 74961699498

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The Retired One
San Leandro, US
★★★★★ 5
Worth purchasing
Color: Black, Size: 3 Panel Standard
Works great for privacy and to block out light. Folds easily, great value for the money.
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Reviewed in the United States on November 2, 2025
M
Midlife Mama
Port Orchard, US
★★★★★ 4
Lightweight and Easy-to-Assemble
Color: Black, Size: 3 Panel Standard
These privacy screens are three separate panels, which is really convenient if you don’t need to use all of them at once. I’m currently using two to section off part of my craft room for storage, and it’s working perfectly. They’re lightweight and super easy to move around, so I can rearrange my space whenever I need to. Assembly was simple—everything went together quickly without any hassle.
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Reviewed in the United States on August 17, 2025
C
Carlos
New York, US
★★★★★ 5
Great for Privacy, Just a Little Flimsy
Color: Black, Size: 3 Panel Standard
I recently got this room divider to create a bit more privacy in my home office, and it's been really handy. The thick polyester fabric helps block out distractions, and it's great that it's waterproof, so no worries about spills messing it up. The metal feet keep it stable enough, though I've noticed it can feel a bit wobbly if bumped. It's also super easy to fold and store when not in use, which is a huge plus if you have limited space like I do. Overall, it’s a practical addition, though handling it gently might be a good idea.
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Reviewed in the United States on September 13, 2025
S
Scout Kelly
Draper, US
★★★★★ 5
Perfect for Creating Private Spaces Without the Hassle
Color: Black, Size: 3 Panel Standard, Color: Black, Size: 3 Panel Standard
I recently picked up this Kecreque 3-panel room divider because we needed a flexible way to break up space in our garage. I wanted a place to hook up a small tv and play my SuperNES — and honestly, it’s been a fantastic purchase! First off, it’s bigger than it looks in pictures — fully opened, it stretches over 8 feet wide and stands about 6 feet tall. The panels are made of a thick, waterproof polyester fabric that feels much sturdier than I expected for the price. Plus, the steel frame is scratch- and rust-resistant, and the curved feet make it really stable. (No wobbling or tipping, even when our cats decide to race past it at full speed.) Assembly was straightforward — my husband did it himself in under 30 minutes with just the included instructions. The panels clip into the frame easily, and you can adjust the angle of each section depending on how much space you want to close off. It’s also surprisingly easy to move and fold up if you need to put it away; I just fold it flat and tuck it into a corner when it’s not in use. I really appreciate how low maintenance it is too — a quick wipe with a damp cloth has kept it clean. It’s been great for creating a semi-private video game nook, but I can also see it being perfect for an office, a church event, or even a kids’ room (the ad says it can “calm down arguments,” and honestly, I can believe it). Final thoughts: This is a sturdy, well-made, and versatile divider that’s easy to set up, reposition, and store. It looks clean and simple in any area or room and has held up well to daily use. Highly recommend if you need a practical and stylish way to create private spaces without committing to permanent walls!
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Reviewed in the United States on April 29, 2025
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Aryn The Libraryan
Massapequa, US
★★★★★ 5
Quality, and not overly complicated
Color: Black, Size: 3 Panel Standard, Color: Black, Size: 3 Panel Standard
This is so easy to put together, the parts are numbered, and the wordless instructions are clearer than some I've seen. The material/fabric is pleasant to the touch, and of decent quality. I like that the panels can be used independently of each other, or connected together, depending on your space. Also, the cloth velcros onto the frame, so it can be removed easily for cleaning if need be, without unbolting anything. The combined weight in the box is decent, but once built, each panel is fairly light and easy to move around, while feeling sturdy/not going to fall over unless they're being mistreated. It's a bright sunny afternoon, and I took a picture looking towards a window, so you can see it blocks most things unless directly silhouetted by the bright light on the other side.
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Reviewed in the United States on May 3, 2025

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