HappyModel Mobula8 Freestyle O4 ELRS

*Batteries are NOT included (Recommended is 2S 550mah battery). 

Notice before buying: According to DJI’s warranty policy, if there is a problem with the DJI O4 Air unit installed on the BNF Drone, it needs to be sent back to China mainland for warranty.

The HappyModel Mobula8 Freestyle O4 ELRS is a high-performance micro FPV drone combining lightweight design with DJI O4 HD video capability and ELRS radio control. The Happymodel EX1103 KV11000 motors with Gemfan Hurricane 2023 tri-blade propellers, bringing a smooth and powerful FPV experience.

FEATURES

• Equipment with DJI O4 air unit and external FOV Extender
• ND Filters ready
• 2S battery support Powerful and Smooth freestyle flying experience
• UART ExpressLRS receiver support stable control link

Specifications

Motor

• Model: EX1103 KV11000
• Configuration: 9N12P
• Stator Diameter: 11mm
• Stator Length: 3mm
• Shaft Diameter: Φ1.5mm
• Motor Dimension(Diameter x Length): Φ13.5mm x 15.5mm
• Weight(g): 3.8g
• No.of Cells(Lipo): 1-2S

Propellers

• Weight: 0.88g
• Material: Poly Carbonate
• Pitch: 2.3"
• Props Dia: 52.17mm
• Center Thickness: 5mm
• Center Hole Diameter: 1.5mm

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 BarometerBuilt-in 8MBp blackbox
• Built-in voltage meter sensor , voltage meter scale 110
• Built-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

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

 ** If bound to radio but having trouble seeing stick movement in Betaflight, then you may need to turn off the "Model Match" factory setting in the ELRS web GUI.

DJI O4 Air Unit

• Weight: Air Unit (camera module included): Approx. 8.2 g
• Transmission Module: 30×30×6 mm (L×W×H)
• Camera Module: 13.44×12.36×16.50 mm (L×W×H)
• Camera Cable Length: 50mm
• Coaxial Cable: 50 mm
• 3-in-1 Cable: 50 mm
• Operating Frequency 5.170-5.250 GHz, 5.725-5.850 GHz Operating frequency varies by region. Refer to local Regulations.
• Transmitter Power (EIRP):
  5.1 GHz: <23 dBm (CE)
  5.8 GHz:
  <30 dBm (FCC)
  <14 dBm (CE)
  <30 dBm (SRRC)
• Live View Quality: 1080p at 30/50/60/100fps

FOV Extender for O4 Camera

• Weight: only 3.2gram
• Built-in widening lens
• FOV angle up to 150 degree
• 3D printed Camera holder
• Include UV filter, ND8 filter, ND16 filter

PACKAGE CONTENTS

• 1× HappyModel Mobula8 Freestyle O4 ELRS drone:
  • 1x Happymodel Mobula8 Frame
  • 1x CrazyF405HD ELRS flight controller (firmware target: BETAFLIGHTF4)
  • 4x EX1103 KV11000 brushless motor
  • 1x Gemfan Hurricane 2023 tri-blade propellers(4cw+4ccw)
  • 1x DJI O4 Air unit
  • 1x FOV Extender for O4 camera
  • 1x Angle-adjustable Canopy
• 1x Screw driver 

Default factory Mobula8 O4 dump file for Betaflight 4.5.1

Mobula8 2S digital HD 85mm Micro FPV whoop drone Manual

***If you want to use DJI FPV Remote controller, Please first reflash betaflight firmware add add “SBUS” protocol support when load firmware online. And then please import default factor dump file to CLI command , then change betaflight settings like following picture, no need do any hardware modification to the flight controller: