FLYWOO Explorer LR 4 HD DJI O3 Drone User Manual

FLYWOO Explorer LR 4 HD DJI O3 Drone

Drone introduction and Configuration

DJI O3 Air unit supports 4K\60fps recording, and is good at long distances, up to 10KM (FCC). This is the fantastic digital module the Explorer LR 4 has been waiting for!
In addition, we also designed the newest GOKU MINI GPS V3 for Explorer O3, now you can search up to 30 satellites! Now everything you need, the Explorer LR 4 can realize.

• Sub250 (even with battery)
• Support 4K\60fps recording
• up to 10KM long distance
• Super long flight time 30mins (Explorer 18650 battery)
• GPS search up to 30 satellites

Specifications

• Model: Explorer LR 4 HD DJI O3
• Brand: FLYWOO
• Frame: Explorer LR 4 O3 (Different from OG Explorer LR frame )
• FC and ESC : Goku Versatile F405 Pro Mini Stack ( F405 FC+ 40A ESC ) 8Bit 2-6S 20 x20 Plug&Play plug O3 Air unit
• VTX: DJI O3 Air Unit
• Camera: DJI O3
• Propeller: 4024-2
• Antenna : DJI O3 antenna
• Motor : Nin V2 1404 2750kv
• Weight: 168.4g
• Recommended Battery : Explorer 18650 4S \ Exploer 900mah 4S \ Explorer 750mah 4S

In the Box

• 1 x Explorer LR 4 O3
• 8 x Gemfan 4024-2 Balck
• 2 x Battery strap 15x180mm
• 1 x Set of screws

Wiring diagram description

• UART1: NULL
• UART2: NULL
• UART3: DJI O3 UNIT OSD
• UART4: TBS/ELRS/RXSR/PNP
• UART5: DJI O3 RX SBUS
• UART6: GPS

DJI O3/PNP Version:

TBS/ELRS Version:

RXSR/XM+ Version:

Receiver binding

ELRS 2.4G RX:

Bind procedure:

• Supply power to the EL24E/EL24P rx, wait until the LED on the RX is off, immediately turn off the power, and then repeat again the above steps. When the RX is powered on for the third time, the LED light will start to double-flash, which means that the RX enters the binding mode
• Insert the 2.4G ELRS TX to Radio transmitter, and choose External RF mode to CRSF protocol, then you can find ELRS menu from the Radio systems(Need to copy the ELRS.LUA file to the SD-Card tools first), Enter into ELRS and press [Bind], the LED on the RX module will getting to be solid if bind successfully.
• Receiver LED status meanings:
  EL24E/EL24P RX: LED solid means bind successful or Connection established; LED double-flash means in bind mode; LED flash slowly means no signal connection from the TX module; LED flash fast means in WIFI hotspot mode, you can connect the WIFI of the RX and upgrade firmware of the RX via visit 10.0.0.1 from the web browser(password: expresslrs)

TBS NANO 915:
When the USB is connected, the green light of the receiver flashes, and then bind according to the picture operation.
https://www.youtube.com/watch?v=-iNkVcOLITM&ab_channel=Danimal3D

RXSR/XM+ receiver

FRSKY remote control version

• Press the RXSR/XM+ receiver button, USB power supply, the red and green lights are always on
• The remote control turns on the binding mode, the green light flashes to indicate successful binding, turn off and restart

Other Frsky protocol versions

Mode setting

Set the ARM switch and flight mode switch, AUX* corresponds to the remote control switch, and the yellow area mark is turned on

GPS rescue mode

1. When GPS finds 5 satellites and locks, it will display latitude/longitude/altitude/distance information.
2. GPS rescue can only be turned on when the flight distance data exceeds 100 meters, otherwise it will fall directly.
3. After the GPS rescue is turned on, DRONE will turn around and rise gradually and return to the home location.
4. RONE will not automatically land. When the control is restored, you need to control DRONE to land.

Finder BUZZER function

The buzzer has two modes of operation:

1. It is compatible with the functions of the traditional active buzzer and synchronized with the flight control.
2. When the flight control is normally connected, if the main battery in the flight is powered off, it can still automatically emit 100 dB of drip sound after 30 seconds of power failure, and the LED will emit white light.

To turn off the buzzer: Press and hold the release button for more than 2 seconds, the Finder turns off the sound.

Flight firmware upgrade and write default CLI

1. Activate DFU mode（Two ways to enter DFU）

2. Enter the BF configurator, click to Activate BOOT Loader/DFU

3. Press and hold the FC’s BOOT button while connecting the USB cable

4. If it does not enter DFU mode, it may be that the driver is not installed. The driver can be installed using IMPULSE RC software
   Driver software:
   https://impulserc.blob.core.windows.net/utilities/ImpulseRC_Driver_Fixer.exe

5. Select F405PRO firmware, after online loading, write the firmware. according to the order of the pictures

6. After the connection is entered, it is a blank interface, you need to write CLI commands, Factory CLI LINK: https://flywoo.net/pages/manual

References

• FLYWOO
• impulserc.blob.core.windows.net/utilities/ImpulseRC_Driver_Fixer.exe

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