Happymodel Crazybee F4 Lite 1S Whoop Flight Controller
£42.00 Inc. VAT
A feature packed FC for whoops. Its the all-in-one type so everything, including ESCs and VTX are on a single board.
The Crazybee F4 lite is a feature packed micro flight controller used by the HappyModel Mobula6 drone, but it would suit any 1S Whoop build too. The FC is a 4-in-1, so everything is on a single board. It comes with an integrated SPI receiver (FrSky or FlySky), ESC, and 5.8GHz VTX (with support for BetaFlight OSD)! There’s no soldering required as it uses plug connections for connecting motors and a camera.
Options:
We sell the FC with a choice of a SPI receivers – FrSky or FlySky. The FrSky version is pre-set to D8, but can be set to FCC D8 or D16 / D16 EU LBT in BetaFlight.
Notes
- R1(RX1) Pad is used for IBUS/DSM2/DSMX signal input
- IR1(IRX1) Pad is used for SBUS signal input (Already inverted)
- R1 and IR1 Cannot be used simultaneously
FC
- MCU:STM32F411CEU6 (100MHZ, 512K FLASH)
- Sensor: MPU-6000(SPI connection)
- Board size: 28.5×28.5MM
- Power supply: 1S battery input (DC 2.9V-4.35V)
- Built-in 5A(each) Blheli_S 4in1 ESC Dshot600 ready
- Built-in Betaflight OSD(SPI Control)
- Built-in 5.8G VTX
- Built-in SPI Frsky/Flysky receiver
- Built-in 5V 1A BEC
- Built-in voltage detection
Onboard 4in1 ESC
- MCU upgraded to EFM8BB21
- Power supply: 1S LiPo/LiPo HV
- Current: 5A continuous peak 6A (3 seconds)
- Support BLHeliSuite programmable
- Factory firmware: O_H_5_REV16_7.HEX
- Default protocol: DSHOT600
Onboard Frsky SPI D8
- SPI BUS receiver Frsky D8 compatible
- Compatible Non-EU transmitter D8 model
- Channels: 8ch
- Failsafe support
- No ground interference ( Transmitter and receiver 1 m from the ground): 100m~200m
Onboard FlySky SPI
- SPI BUS receiver FlySky
- Compatible AFHDS and AFHDS-2A Switchable
- Channels: 8ch(AFHDS) or 14ch(AFHDS-2A)
- Failsafe support
- No ground interference ( Transmitter and receiver 1 m from the ground): 100m~200m
Onboard 5.8GHz VTX
- Output power: 25mw
- Frequency: 40CH
- Input voltage: 3.3V 5.5V
- Current consumption: 300mA(type)
- Frequency: 5.8GHz 5bands 40 channels
- With Race band
- Smart audio ready
Included:
- 1 x Happymodel CrazyBee F4 Lite 1S Whoop Flight Controller
- 4x Anti-Vibration Ball
- 4x Screws
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SHIPPING & DELIVERY
We are based in the UK and ship to most destinations worldwide.
We dispatch orders during the times shown on our Dispatch Schedule. Orders placed before the daily dispatch cutoff will ship the same day (subject to stock availability). Orders placed after the cutoff will ship on the next scheduled dispatch day.
A confirmation email is sent once your order has been packed. If you need to amend your order, please contact us as soon as possible — once shipped, we’re unable to make changes.
We work with trusted delivery partners including Royal Mail, DHL, UPS, Fedex and Parcelforce. If you have a delivery requirement or would like to arrange collection, please get in touch.
Please fill in the fields below with the shipping destination details in order to calculate the shipping cost.
Shipping to the UK
- Order before the daily dispatch cutoff for same day dispatch.
- FREE delivery available on qualifying orders over £99 (under 1kg).
For small, low-value orders, Royal Mail First Class is our most economical option. Royal Mail Tracked 24 is the most popular choice, offering full tracking and flexible delivery options. For guaranteed next working day delivery, we recommend Royal Mail Special Delivery.
Royal Mail delivers to residential addresses Monday to Saturday, while courier services (including DHL) typically deliver Monday to Friday.
International Postage
- USA orders: Import duties and taxes are prepaid by us — no additional customs charges on delivery.
- Other destinations: Customs duties or import taxes may apply and are the responsibility of the recipient.
Smaller, lower-value orders may be sent via Airmail or tracked postal services. Economy road and express air courier options are available depending on destination. For faster delivery, we recommend express air courier services such as DHL Express, which typically deliver within 1–2 working days across Europe and a few working days for most other destinations.
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