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Description
Happymodel Mobula8 O4 2S Digital HD 85mm Micro FPV Whoop Drone - ELRS 2.4The Happymodel Mobula8 O4 micro FPV whoop comes out now . It comes with DJI O4 air unit which would provide excellent and unbelievable FPV footage. We added FOV Extender for the O4 camera on Mobula8, this would be a great improvement for FPV flying. Here is our recommended 2S 550mAh Battery that fits perfectly in this drone! Check out our Micro Whoop Drones, our entire Happymodel Products and The Digital BNF PNP RTF Collection. Features: Equipment
The Happymodel Mobula8 O4 micro FPV whoop comes out now . It comes with DJI O4 air unit which would provide excellent and unbelievable FPV footage. We added FOV Extender for the O4 camera on Mobula8, this would be a great improvement for FPV flying.
Here is our recommended 2S 550mAh Battery that fits perfectly in this drone!
Check out our Micro Whoop Drones, our entire Happymodel Products and The Digital BNF/PNP/RTF Collection.
Features:
- Equipment with DJI O4 air unit and external FOV Extender
- ND Filters ready
- 2S battery support Powerful and Smooth freestyle flying
- UART ExpressLRS receiver support stable control link
- Recommend use 2S 550Mah battery
Specifications:
- Item Name: Mobula8 O4 2S 85mm Digital HD Micro FPV whoop
- Wheelbase: 85mm
- Size: 120mm*120mm*53mm
- Weight: 50g
Spare parts specifications:
| Motor | Mode: EX1103 KV11000 Configu-ration:9N12P Stator Diamter:11mm Stator Length:3mm Shaft Diameter:Φ1.5mm Motor Dimension(Dia.*Len):Φ13.5mm*15.5mm Weight(g):3.8g No.of Cells(Lipo):1-2S |
| Propellers | Weight:0.88g Material: PC Pitch:2.3inch Props Dia:52.17mm Center Thickness:5mm Center Hole Dia: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 |
| 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 |
***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 defaulct factor dump file to CLI command , then change betaflight settings like following picture,no need do any hardware modification to the flight controller:
Default factory Mobula8 O4 dump file for Betaflight 4.5.1
Package includes:
| Item Name | Qty |
| Happymodel Mobula8 Frame | 1 |
| CrazyF405HD ELRS flight controller firmware target:BETAFLIGHTF4 | 1 |
| EX1103 KV11000 brushless motor | 4 |
| Gemfan Hurricane 2023 tri-blade propellers(4cw+4ccw) | 1 |
| DJI O4 Air unit | 1 |
| FOV Extender for O4 camera | 1 |
| Angle-adjustable Canopy | 1 |
| Screw driver | 1 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
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4.0 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
A Must-Read for Anyone Building (or Rebuilding) a Community—from the Ground Up or Within a Studio
Format: Paperback
Mastering Community Management by Victoria Tran is easily one of the most approachable, grounded, and genuinely helpful books I’ve read on the subject. It’s not weighed down by corporate jargon or vague motivational fluff. Instead, it reads like a knowledgeable friend sitting beside you, walking you through what community actually is and what it isn’t.
As a small indie developer trying to revitalize my own brand and reconnect with my community after a long absence, this book hit at exactly the right time. It gave me not only strategies, but the right questions to ask myself about the kind of experience I want to create. Too many resources focus on surface-level tactics—Victoria goes deeper. She invites you to reflect on your values, your voice, and your long-term goals, then gives you tools to act on them.
One of the strongest aspects of this book is how clearly it distinguishes community management from marketing, social media, PR, and other often-blurred roles. If you’ve ever struggled to explain the value of community work to stakeholders or collaborators, this book gives you the language, examples, and frameworks to make your case with clarity and confidence.
It’s also deeply aware of the wide range of contexts in which community work happens. Tran never assumes you're working with a massive team or unlimited resources. Whether you're part of a AAA studio, a two-person indie dev team, a hobbyist group, or something in between, the book respects those differences and offers flexible, practical guidance that can be scaled or remixed to fit your needs.
The book is packed with real-world examples and thoughtful exercises that walk you through both practical strategies and big-picture thinking. You’re not just handed advice—you’re invited to work through your own approach using templates, prompts, and reflection activities that are grounded in real experience.
Every chapter is dense with insights that are critical for new developers and also thought-provoking for those who’ve been in the industry a while. And while the book is focused on video game communities, its frameworks feel highly adaptable. As someone also working in the tabletop space, I found that many of the ideas translated beautifully—especially in a field where so much success is driven by small, tight-knit communities and word-of-mouth engagement.
For those of us wearing multiple hats—dev, marketer, moderator, cheerleader—this is the kind of resource you’ll return to again and again. Whether you're just starting out or trying to rebuild trust and engagement, Mastering Community Management provides clarity and care in equal measure.
It’s clear, it’s kind, and it’s deeply useful. Buy it for yourself, your team, and anyone who still thinks community is “just Discord.”
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 26, 2025
★★★★★ 5
Wonderful!
Format: Paperback
Great read
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 20, 2025
★★★★★ 5
Required reading for just about anyone!
Format: Paperback
Rare that we get a book that encompasses so much vital information about the games industry that can also be utilized across a number of fields, rarer still that we get to learn from one of the best in a funny, heartfelt and down to earth book that is a steal at any price. You will read this, and come back to this book, for the years to come.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 3, 2025
★★★★★ 5
Extremely practical guide to community management!
Format: Paperback, Format: Paperback
Victoria Tran’s Mastering Community Management is the book I wish I had when I was managing massive startup communities as an introvert. It validates the emotional labor behind the role and reframes community management as care, not chaos.
Tran’s strategies are practical, but what makes the book powerful is her empathy. She shows that introverts’ strengths from listening deeply, noticing subtle shifts, valuing one‑on‑one connection, are essential to building healthy communities. Her emphasis on kindness and intentionality reminded me that the late nights, careful responses, and invisible scaffolding of trust truly matter.
This book is both a guide and a comfort. It proves that introverts can thrive in community management, and it honors the humanity behind the work.
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Reviewed in the United States on November 16, 2025
★★★★★ 5
Favorite graphic novel of all time
Format: Paperback
Daisy Kutter used to be train robber. And she used to be partners (and perhaps more) with Tom. But those days are past as Tom is now the Sherif and Daisy is owner of local general store...and bored out of her mind. She can't acclimate herself to "normal" life like Tom can and one night trying to relive her boredom she loses the store in a poker game. Mr. Winters, who she lost the store to, has a proposition though: try to rob his train and test his new security robots. And he's willing to pay. But it appears that not everything is on the up and up. And Daisy and Tom are fighting to survive.
Set in a steampunk version of the old west, where robots and humans live together, Kibuishi creates a masterful story that has a great deal of humor. You know that classic stoic character in the old west movies? That's Daisy. But instead of being played by some curmudgeonly old man, it's played by a young woman with a bit of humor to her, which is a nice change of pace. The relationship between Tom and Daisy is set up beautifully and it's easy to relate to them and understand where both of them are coming from.
The artwork has some of the elegance and detail that can be found in Kibuishi's current series,
, but in a bit simpler style. It's a completely black & white, but Kibuishi uses the gray tones effectively to create a lot of depth and energy to the characters. And with just a few simple lines Kibuishi gives us memorable characters that keep us coming back for more. I especially love the close ups of the characters eyes, particularly Daisy's. When those happen we get a real sense of who the character is and the emotion that they're feeling at the time.
Like the title says, this is my favorite graphic novel of all time. It was the first one I ever picked up so yeah it hold some sentimental value, but the combination of a great story and great artwork make this a must read for anyone. My one complaint...no sequel (although there is a short story in Flight volume 6)!
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Reviewed in the United States on September 19, 2011