Happymodel Mobula7 O4 Instruction Manual

Features
Equipment with New DJI O4 air unit
2S battery support Powerful and Smooth freestyle flying
UART ExpressLRS receiver support stable control link
Lighter and small for indoor FPV
Specifications
Brand Name: Happymodel
Item Name: Mobula7 O4 2S 80mm Digital HD Micro FPV whoop
Wheelbase: 80mm
Size: 107mm*107mm*51mm
Weight: 38gram
Package includes
Item Name
Happymodel M80 Frame
CrazyF4HD ELRS flight controller firmware target:BETAFLIGHTF4
RS1102 KV10000 brushless motor
HQPROP 45MMX2 bi-blade propellers(4cw+4ccw)
DJI O4 Air unit
Canopy
Screw driver
Linking goggles and O4 air unit
Make sure that all devices have been updated to the latest firmware versions
before linking.
1. Power on the Mobula7 O4 by battery, then power on the goggles. Enter the
goggles menu, select status, and click the upper right corner to select the
product.
2. Make sure the linking status indicator of the air unit is red. Press the link
button once, the linking status indicator blinks red. Press the link button on the
goggles. The goggles will start to beep continually.
3. Once linking is successful, the linking status indicator of the air unit turns
solid green. The goggles stop beeping and the live view will be displayed.
Binding Procedure with ExpressLRS radio controller:
1) Supply power to the flight controller by plug USB, wait until the Red LED on
the Flight controller is off, immediately turn off the power, and then repeat again
the above steps. When the Flight controller is powered on for the third time, the
Red LED light will start to double-flash, which means that the RX enters the
binding mode
2) Please make sure your ExpressLRS tx module firmware is v3.x.x. And go to
ExpressLRS.lua from "TOOLS" menu of your radio transmitter. Then hit [Bind]
to binding with the onboard ExpressLRS receiver. The Red LED should blinking
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.
Binding Procedure with DJI radio controller:
1. Before binding with your DJI Radio controller, please first finish port tab and
receiver tab settings like the following picture:
Qty
1
1
4
1
1
1
1
2. Activate the linking status on both the goggles and the remote controller. The
goggles starts to beep continually. The remote controller starts to beep
continually and the battery level LEDs blinks in sequence.
3. Once linking is successful, the goggles will stop beeping and display the live
view, and the remote controller will stop beeping, and you can now check the
receiver channel movement from receiver tab of Betaflight Configurator.
Flight controller connection diagram Flight controller connection diagram
(Onboard ELRS RX boot)
GND BAT+
Mobula7 O4 2S 80mm Digital HD Micro FPV whoop
BAT+
GND
ESP8285 BOOT STM32F405 BOOT
(Flight controller BOOT)
M2
M4
M1
M3