Happymodel Mobula8 1-2S 85mm Micro FPV Whoop Drone Owner’s Manual

Happymodel Mobula8 1-2S 85mm Micro FPV Whoop Drone

Product Information

The Happymodel Mobula8 1-2S 85mm Micro FPV whoop drone is a powerful and smooth drone that is compatible with 1S-2S Lipo/LIHV batteries. It comes with a built-in 2.4G ELRS V2.0 and OPENVTX VTX that can power up to 400mw ELRS V2.0. The drone is powered by EX1 103 KV11000 brushless motors and comes with Gemfan Hurricane 2023 tri-blade propellers. It also features a Caddx ANT 1200TVL camera and an onboard 5.8G Openvtx 0mw~400mw VTX. The drone weighs 43g and has a wheelbase of 85mm.

Product Usage Instructions

1. To bind the onboard SPI ELRS receiver, connect the Mobula8 1-2S ELRS to a computer via USB and run Betaflight configurator. Then, move to the Receiver tab and hit Bind Receiver. The green LED on the flight controller will start blinking fast, indicating that the receiver is in bind mode.
2. To arm the motors, toggle the AUX1 switch (usually Channel5 of your radio) to which the default ARM/DISARM switch is set. The red LED at the bottom of the flight controller will get solid once armed.
3. Make sure that the mixes of your radio settings match the Channel Map of Betaflight settings, otherwise, the drone won’t be able to arm. The default channel map is TAER1234, but you can also set it to AETR1234 if necessary.
4. To bind the drone to your radio transmitter, turn on your transmitter and run ELRS.LUA v2 version. Scroll down the menu and hit [Bind]. The green LED on the flight controller will get solid first and then start blinking slowly, indicating that the binding was successful. Re-connect the USB to establish a link.
5. To fly the drone, turn on your transmitter and connect the battery to the Mobula8 1-2S ELRS. Place the drone horizontally on the ground. Prepare your goggles and match the channel with the VTX_table.

Note: RX1/TX1/+5V/GND pads could be used for External Serial Based RX like TBS Tracer or CRSF Nano. Only enabled serial RX for UART1 when using external Serial Based RX and choose the correct receiver provider based on your receiver description.

Features

• X12 5-IN-1 AIO flight controller built-in 2.4G ELRS V2.0 and OPENVTX
• VTX Power up to 400mw
• ELRS V2.0 (Default), provide firmware to support ELRS V3.0
• EX1103 KV110000 motors
• CaddxFPV Ant FPV camera
• Smooth and powerful
• Compatible for 1S-2S Lipo/LIHV battery
• Recommend 2S 450mah/550mah/650mah battery (Not include)

Specification

• Brand Name: Happymodel
• Item Name: Mobula8 1-2S 85mm Micro FPV whoop drone
• Wheelbase: 85mm
• Size: 120mm120mm50mm
• Weight: 43g

Recieve Option

• 2.4G ELRS SPI(Support ELRS v2.0, provide firmware could compatible with elrs v3.0)
• SPI Frsky D8/D16 not compatible with EMAX E6 radio
• SPI Flysky AFHDS2A
• PNP (without onboard receiver)
• TBS version(with external TBS CRSF NANO RX)

Package Include

• Mobula8 Frame 1
• Option1: X12 ELRS V2.1 flight controller built-in SPI ELRS 2.4G receiver 1
• Option2: X12 Frsky V2.1 flight controller built-in SPI Frsky 2.4G receiver
• Option3: X12 Flysky V1.0 flight controller built-in SPI Flysky 2.4G receiver
• Option4: X12 PNP V1.1 flight controller without onboard receiver
• Option5: X12 PNP V1.1 flight controller with TBS CRSF NANO RX
• EX1103 KV11000 brushless motor 4
• Gemfan Hurricane 2023 tri-blade propellers(4cw+4ccw) 1
• Caddx ANT 1200TVL Camera 1
• Onboard 5.8G Openvtx 0mw~400mw VTX 1
• Canopy for 14mmx14mm camera 1
• Screw driver 1

| Qty
---|---
Mobula8 Frame| 1
Option1: X12 ELRS V2.1 flight controller built- in SPI ELRS 2.4 G receiver|

1

Option2: X12 Frsky V2.1 flight controller built- in SPI Frsky 2.4 G receiver
Option3: X12 Flysky V1 .0 flight controller built- in SPI Flysky 2.4G receiver
Option4: X12 PNP V1 .1 flight controller without onboard receiver
Option5: X12 PNP V1 .1 flight controller with TBS CRSF NANO RX
EX1103 KV11000 brushless motor| 4
Gemfan Hurricane 2023 tri- blade propellers(4 cw+4ccw)| 1
Caddx ANT 1200 TVL Camera| 1
Onboard 5. 8G Openvtx 0mw~400mw VTX| 1
Canopy for 14mmx14 mm camera| 1
Screw driver| 1

Blind  Procedure

1. Connect Mobula8 1-2S ELRS with computer by Plug USB. Running Betaflight configurator and then move on Receiver tab then hit “Bind Receiver”. The Green LED on the flight controller start blinking fast, it means onboard SPI ELRS receiver is in bind mode.
   

2. Turn on your radio transmitter and running ELRS.LUA v2 version, scroll down the menu and hit [Bind]. The Green LED on the flight controller would get solid first and then start to blinking slowly. It means bind successfully. Re-connect the USB and then you will find link was established.
   

Arm/Disarm the motor

1. Turn on your radio transmitter and connect the battery to the Mobula8 1-2S ELRS. Then place Mobula8 1-2S ELRS horizontally on the ground.

2. Prepare your goggles, and match the channel with the VTX_table
   

3. The default ARM/DISARM switch was set to “AUX1”, usually it’s Channel5 of your radio. You can customized a switch for AUX1(Channel5). Then Toggle Aux1 switch to arm the motors, the Red LED at the bottom of the flight controller would get solid once armed, happy flying.
   

4. Please make sure the MIXES of your radio settings is match the Channel Map of betaflight settings,otherwise it won’t be able to armed. The default channel map is “TAER1234”, you can also set it to “AETR1234” if necessary.
   

Flight control connection diagram

• RX1/TX1/+5V/GND pads could be used for External Serial Based RX like TBS Tracer or CRSF Nano
• Only Enabled Serial RX for UART1 when use external Serial Based RX and choose correct receiver provider based on your receiver description.

VOLTAGE AND CURRENTS METER SETTINGS

DEFAULT PID AND FILTER SETTINGS

BOARD AND SENSOR ALIGNMENT AND FREQUENCY SETTINGS

MOTORS AND ESC SETTINGS

BLU.JAY ESC SETTINGS

When using Bluejay ESC firmware , the startup power should set like the picture shows.

VTX BANDS AND CHANNELS SETUP

There are 2 ways to switch the vtx channels:

When using Bluejay ESC firmware , the startup power should set like the picture shows.

1. Plug USB to Mobula8 1-2S ELRS then we should Go to Betaflight CLI type the command
   Set vtx_band=5
   Set vtx_channel=4
   save
   This command will change the vtx channel to 5769

2. Disarm the Mobula8 1-2S ELRS and then move the stick of the transmitter THR MID YAW LEFT PITCH UP to enter OSD Menu Enter to Features then enter to VTX SA to set VTX Band and channel

Flight control firmware

1. Install latest STM32 Virtual COM Port Driver http://www.st.com/web/en/catalog/tools/PF257938
2. Install STM BOOTLOAD Driver (STM Device in DFU MODE)
3. Open Betaflight configurator and choose firmware target “CRAZYBEEF4SX1280”, then select the firmware version.
4. 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.
5. Open Zadig tools to replace the drivers from STM32 Bootloader to WINUSB Driver.
6. Reconnect the flight controller to the computer after replace driver done , and open Betaflight Configurator, loading firmware and flash.

Firmware and diff download

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