Flywoo Firefly18 Nano Baby V3 O4 Wide - 1S ELRS

Flywoo Firefly18 1S Nano Baby V3 O4 Wide is an ultralight 1.8" toothpick for 1S batteries with digital video transmission via the DJI O4 Wide Air Unit, suitable for flying in the garden, in the park, and indoors in larger spaces. The Wide designation means the camera has a native lens with a 159° field of view instead of the narrow 117.6° of the standard DJI O4 - so this is not an additional lens swap, but a factory wide-angle version of the unit directly from DJI. Thanks to its weight of approximately 39g and the supplied propeller guards, flying it is relatively safe even near people.

The base is the Firefly18 1S Nano Baby V3 frame with a 2mm carbon plate and a weight of 8g. The camera is housed in a dedicated Flywoo 18mm case, which covers the otherwise exposed rear side of the camera board and secures the coaxial cable — this is usually the most common point of damage in a crash on the O4 Wide. The video unit and camera are protected by a TPU canopy, which also dampens vibrations. The battery mount is replaceable, and the package includes three sizes for 450, 750, and 1000mAh packs. The motors are connected via connectors, so replacement does not require soldering.

Control is handled by the GOKU F405 HD 1S 5A ELRS AIO V2.0 AIO board, weighing only 2.6g, which in a cross layout integrates the flight controller, ESCs, ELRS receiver, and a BEC for powering the video unit. It is built on the STM32F405 processor with a BMI270 gyro, SPL06 barometer for altitude measurement, and 8MB memory for Blackbox. The ESCs can handle up to 5A and use Bluejay firmware. The integrated Flywoo 1S O4 5V BEC supplies up to 3A and keeps the DJI unit powered even when cell voltage drops to 2.6V, which is crucial for 1S drones with O4. Propulsion is provided by ROBO 1002 19800Kv motors with dual bearings for lower noise and vibration, combined with HQ 45mmx2 two-blade propellers.

Video transmission is handled by the DJI O4 Wide Air Unit with a 1/2" CMOS sensor. It supports recording up to 4K/60fps to 23GB of built-in storage, so there is no need to carry an external HD camera; the unit does not support microSD cards. FPV video runs at 1080p at 100fps with a data rate of up to 60Mbps. For racing pilots, Racemode is available with latency from 20ms; the transmission supports Canvas mode for standard OSD from the flight controller. Image stabilization is possible using DJI RockSteady or Gyroflow.

The unit is intended for use with DJI Goggles 3 or DJI Goggles N3 and DJI Controller 3. It can also be used with DJI Goggles 2 or DJI Integra and DJI Controller 2. In that case, however, Racemode is not available and the maximum bitrate is limited to 50Mbps.

Recommended batteries are 1S with a capacity of 450-1000mAh and an A30 connector. Batteries are not included.

CLI and firmware

3D Model

Important notice: The DJI O4 camera uses a new generation of gyroscopes that are more sensitive to vibrations. This may affect the proper functioning of RockSteady and Gyroflow stabilization.