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Description
CrazyF411 AIO Toothpick Flight Controller + Receiver (20A ESC, OSD, Frsky RX)The CrazyF411 from Happymodel is an F4 toothpick flight controller with OSD, that also managed to include 4x 20A ESC and a Frsky compatible receiver built into the board, making this flight controller ideal for a very compact and lightweight toothpick build. The receiver also includes a PA LNA power amplifier to enable much greater range compared to some other flight controllers with built in receivers (up to 400m range). Features 25. 5x25. 5mm FC AIO
The CrazyF411 from Happymodel is an F4 toothpick flight controller with OSD, that also managed to include 4x 20A ESC and a Frsky compatible receiver built into the board, making this flight controller ideal for a very compact and lightweight toothpick build.
The receiver also includes a PA/LNA power amplifier to enable much greater range compared to some other flight controllers with built in receivers (up to 400m range).
Features
- 25.5x25.5mm FC AIO ESC board for toothpick .
- Most powerful for whoop / toothpick style flight
- Supports 2-4s battery input and provides 20A to the motors.
- Also Integrated SPI Frsky receiver working with D8/D16 protocols.
- This integrated receiver has PA/LNA power amplifier and the diversity antenna., This should give more control range for this flight controller.
Specification
Brand Name: Happymodel
Model: CrazyF411 AIO
Item Name: F4 Flight Controller Built-in 20A BL_S ESC & Frsky Receiver
| F4 Flight Controller |
MCU:STM32F411CEU6 (100MHZ, 512K FLASH)
Sensor: MPU-6000(SPI connection) Board size: 28.5 * 28.5MM Power supply: 2-4S battery input (DC 8V-17V) Built-in 20A(each) Blheli_S 4in1 ESC Dshot600 ready Built-in Frsky D8/D16 SPI receiverBuilt-in 2.4G Power Amplification Built-in Betaflight OSD(SPI Control) Built-in Current meter Built-in 5V 1.5A BEC Built-in voltage detection Firmware target: MATEKF411RX Yaw Degrees should set to "-90 degree" to match the flight direction |
| Onboard 20A ESC |
MCU upgraded to EFM8BB21
Power supply: 2-4S LiPo/LiPo HV (7v/17v) Current: 20A continuous peak 25A (5 seconds) Support BLHeliSuite programmable Factory firmware: F_H_40_REV16_7.HEX Default protocol: DSHOT600 |
| Internal Frsky NON-EU receiver Version |
SPI BUS receiver
Frsky D8/D16 compatibleCompatible Non EU transmitter both D8 mode and D16 mode Channels: 8ch/16chDual antenna Failsafe support No ground interference ( Transmitter and receiver 1 m from the ground): 400m |
Connection Diagram Pinout
How to Bind your receiver
Make the on board receiver get into bind mode: For 4.0.x version firmware Plug USB and then connect betaflight configurator and then move to CLI tab , type "bind_rx_spi" ,the Red LED on the top of the flight controller will getting to be solid , the onboard receiver is in bind mode; For 4.1.x or 4.2.x the bind code is "bind_rx"
Included
- 1x F4 AIO ESC RX Board
- 1x Cable with Connector
- 1x bag of Screws & Standoffs
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.2 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 4
Love the look, but Narrow
Size: 10, Color: Marine Blue/Woodbury/Ivory
What is for my son-in-law, he loves them, but had to switch them out twice because they run very narrow. He doesn’t have a wide foot at all so be careful when you purchase. Other than that they are a good looking shoe and he really likes them.
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Reviewed in the United States on February 12, 2026
★★★★★ 5
Awesome value shoes
Size: 11.5, Color: Ivory/White/British Tan, Size: 11.5, Color: Ivory/White/British Tan
These white Cole Haan shoes are just what I hoped for, the color is a perfect off-white, somewhere between cream and pure white, which gives them a more refined look. The quality feels excellent, they’re very comfortable right out of the box, and the laces feel durable and well-made. They fit true to size with no issues. Based on this experience, I’ll definitely be buying more from this brand in the future especially at this price point.
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Reviewed in the United States on June 18, 2025
★★★★★ 5
SNEAKERS OF THE GREAT MATERIAL
Size: 9, Color: White/Black/White
THE SNEAKERS ARE CONFORTABLE AND REALLY GOOD MATERIAL FOR THE ALL USE.
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Reviewed in the United States on February 25, 2026
★★★★★ 5
Love them!!!
Size: 8, Color: Black/White/Black
Great!!!!
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Very nice, but sizing is inconsistent
Size: 10 Wide, Color: Ivory/White/British Tan
All of these Cole Haan shoes are extremely well made and I like the styling. On the other hand, the sizing is very inconsistent and you may end up having to do a lot of returns trying to find the right size. Then if you get a different color of it, you may find the sizing different yet again.
If you find your right zie, they are really nice shoes at a very reasonable price for the quality.
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Reviewed in the United States on February 6, 2026