Happymodel Mobula8 2S 85mm Digital HD Micro FPV Whoop Drone Instruction Manual
Features
- Digital HD FPV experience
- New CrazyF405 ELRS HD flight controller
- Powerful and Smooth
- UART ExpressLRS receiver
- Built-in blackbox for Gyroflow and PID Tune
- Battery tray size: Maximum support for batteries with a width of approximately 17mm and a height of approximately 13mm
Specifications
- Brand Name: Happymodel
- Item Name: Mobula8 2S 85mm Digital HD Micro FPV whoop DJI O3 version or without O3 version
- Wheelbase: 85mm
- Size: 120mm*120mm*48mm
- Weight: DJI O3 version 82.5gram
- Without DJI O3 version 42.5gram
Package Includes
| Item Name | QTY |
| Mobula8 Frame | 1 |
| CrazyF4HD ELRS flight controller firmware target:BETAFLIGHTF4 | 1 |
| EX1103 KV11000 brushless motor | 4 |
| Gemfan Hurricane 2023 tri-blade propellers(4cw+4ccw) | 1 |
| Option1: DJI O3 Air unit
Option2: Without DJI O3 Air unit |
1 |
| Canopy | 1 |
| Screw driver | 1 |
Frame Installation Diagram
Bind Procedure
Supply power to the ) Red flight controller by plug USB, wait until the LED on the FC is off, immediately turn off the power, and then repeat again the above steps. When the FC is powered on for the third time, the LED light will start Red to double-flash, which means that the RX enters the binding mode 2 Please make sure your Express LRS tx module ) firmware is v3.x.x. And go to Express LRS. lua from “TOOLS” menu of your radio transmitter. Then hit [Bind] to binding with the onboard Express LRS receiver. The LED should blinking Red slowly first then turn to solid, that means binding was successfully. If the red LED got triple blinking and no rx input from receiver tab ,please change Model Match tab value from “off” to “on” or from “on” to “off”, then change back to “off”, that would working normal.
Port And Receiver Stetting
*** OSD display command for O3 Mobula8 version if you re-flashed firmware:
set osd_displayport_device = MSP
set displayport_msp_serial = 0
save
***If you upgrade firmware to 4.4.x , then you should enable MSP for uart1 and VTX(MSP+ Displayport) from Port setting of the betaflight configurator 
***If you want to use DJI radio controller, then please enable Serial RX for UART6 and select SBUS for the serial receiver provider from betaflight configurator
Flight Controller Connection Diagram
ARM DISARM THE MOTOR
After install the DJI O3 air unit to the bracket ,please first link the VTX with goggles 2)Turn on your radio transmitter and connect the battery to the Mobula8 HD drone .Then place Mobula8 HD drone horizontally on the ground. 3)Toggle Aux1 switch to arm the motors, the Green LED at the bottom of the flight controller would get solid once armed, happy flying.
Board and Sensor Alignment and Frequency Setting
Motors and ESC Setting
Default PID and Filter Seting
Voltage And Currents Meter Settings
ESC Settings
Fight Controller Firmware Update
- Install latest STM32 Virtual COM Port Driver
http://www.st.com/web/en/catalog/tools/PF257938 - Install STM BOOTLOAD Driver (STM Device in DFU MODE)
- Open Betaflight configurator and choose firmware target “ ” BetaflightF4 ,then select the firmware version.
- There are 2 ways to get in DFU Mode: 1). solder the boot pad and then plug USB to computer 2).loading betaflight firmware and hit “flash”, then it will getting into DFU Mode automatically.
- Open Zadig tools to replace the drivers from STM32 Bootloader to WINUSB Driver.
- Reconnect the flight controller to the computer after replace driver done , and open Betaflight Configurator, loading firmware and flash.
Firmware and diff download
Documents / Resources
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Happymodel Mobula8 2S 85mm Digital HD Micro FPV Whoop Drone [pdf] Instruction Manual DJI O3 version, Without DJI O3 version, Mobula8 2S 85mm Digital HD Micro FPV Whoop Drone, Digital HD Micro FPV Whoop Drone, HD Micro FPV Whoop Drone, FPV Whoop Drone, Drone |
