Build a 5-Inch FPV Drone for Beginners π
Step-by-step guide to building a 5-inch 6S FPV drone with DJI O3, including parts, coupons, and STL files for your first flight.

FPV Geek
60.7K views β’ Jun 19, 2025

About this video
Build your first 5" 6S freestyle with DJI O3 β from parts to maiden flight.
Full BOM, coupons & STL files below β
π All my quads with build links, coupon codes & more can be found here: https://docs.google.com/spreadsheets/d/1EaUGR1q9iuzoooFPb6UfTX9WquzugkxsbRi2mEmfYac/edit?usp=sharing
00:00 β Why this 5" 6S DJI O3 build
00:36 β Parts & BOM + STL files
04:15 β Tools youβll need (soldering)
05:34 β Frame assembly
09:27 β Motors & ESC β install + solder
12:15 β Power: cap, XT60, clean & smoke test
13:43 β ExpressLRS β solder, mount & bind
14:30 β DJI O3 β mount air unit & camera
18:24 β Stack & hardware: FC, plates, straps
19:22 β Config β BF ports, ELRS 250Hz, O3 OSD
20:35 β Motor direction test + remap
21:30 β Modes β arm, turtle/crash flip, beeper
21:48 β Total build cost
22:21 β Maiden flight (first impressions)
23:57 β Outro
Disclaimer: Parts provided for free by @mepsking and @Dolphinrc All opinions are my own. Affiliate links below help support the channel at no extra cost to you.
π₯ exclusive 10% OFF code on Mepsking Motors: fpvgeek
*Parts:*
* Mepsking Neon 2207 Motors (https://www.mepsking.shop/neon-2207-fpv-brushless-motor.html?inviterId=1915291648945373186&utm_source=affiliate&utm_medium=affiliate&spec=2050KV-Fluorescent)
* DolphinRC 60A ESC + F405 Flight Controller Stack (https://dolphinrc.com/product/dolphinrc-f405-v3-50a-60a-stack/)
* Mark5 X Frame DJI O3 (https://s.click.aliexpress.com/e/_oEf63uQ)
* Mark5 X Frame DJI O4 (https://s.click.aliexpress.com/e/_oCc2RWK)
* DJI O3 Video Transmitter System (https://amzn.to/3X8est9)
* SoloGood ExpressLRS Receiver (https://s.click.aliexpress.com/e/_op0Q0Tg)
* Tape: (https://s.click.aliexpress.com/e/_oFe8x2A)
* HQProp E-thix S5 Props (https://s.click.aliexpress.com/e/_opepDaa)
- CNHL 6S batteries (1100mAh): (https://s.click.aliexpress.com/e/_oDdlUMe) (https://www.banggood.com/custlink/KDK9gYKhWd)
- DJI Action 2: (https://amzn.to/4jQt88M)
Complete Parts List: https://docs.google.com/spreadsheets/d/1EaUGR1q9iuzoooFPb6UfTX9WquzugkxsbRi2mEmfYac/edit?usp=sharing
*Upgrades:*
- DJI O4 Pro Upgrade Kit: (https://s.click.aliexpress.com/e/_olRwVUh)
- GEPRC Mark5 DC Pro O3: (https://s.click.aliexpress.com/e/_oEryxOF) (https://www.banggood.com/custlink/D339By3yYO)
*Accessories:*
* DJI Goggles: https://amzn.to/4bOVJce
- Best DJI Goggles Face Mask: https://s.click.aliexpress.com/e/_onNegLp
- DJI O3: https://amzn.to/3X8est9
- DJI O4 Pro: https://amzn.to/44iUYWD
* Remote Control: https://s.click.aliexpress.com/e/_okUoaw9
* Budget friendly Remote Control: https://s.click.aliexpress.com/e/_omRuMJb
* Analog Goggles: https://s.click.aliexpress.com/e/_on7Lpva
* Battery Charger: https://s.click.aliexpress.com/e/_onvsn3H
*Tools:*
- Electric Screwdriver: (https://amzn.to/3QnGnS4) (https://s.click.aliexpress.com/e/_omp2EWW)
- Soldering Station: https://amzn.to/42WmHfu
- Best Beginner Soldering Iron: https://s.click.aliexpress.com/e/_op8r482
- Soldering Help: https://amzn.to/4094WaG
- Wire Stripper: https://amzn.to/3EKUCOu
- Silicone mat: (https://s.click.aliexpress.com/e/_oEit3cH) (https://amzn.to/4kbFl9C)
- Flux: https://amzn.to/4hKVXU7
- SmokeStopper: https://s.click.aliexpress.com/e/_oD7E18z
- Isopropyl: https://amzn.to/4lfquut
*My Setup:*
- Macbook: https://amzn.to/40X5JuV
- Camera 1: https://amzn.to/3QkxM2E
- Camera 2: https://amzn.to/42d3AgF
- Camera Stand: https://amzn.to/4kMD6cL
- Monitor: https://amzn.to/4gGToRx
- Lighting: https://amzn.to/40XLoWq
*STL-Files:*
* GEPRC O3 Antenna mount STL: https://www.thingiverse.com/thing:6250778
* Action Cam Mount: https://www.printables.com/model/217897-t4-max-fov-action-2-dji-tpu-drone-mounts
* Mark5 Bando Motor Guards: https://www.patreon.com/posts/geprc-mark5-130998664?utm_medium=clipboard_copy&utm_source=copyLink&utm_campaign=postshare_creator&utm_content=join_link
* Mark5 DJI O3 Mount: https://www.patreon.com/posts/dji-o3-air-unit-131508302?utm_medium=clipboard_copy&utm_source=copyLink&utm_campaign=postshare_creator&utm_content=join_link
* Mark5 Caddx Vista Mount: https://www.patreon.com/posts/caddx-vista-air-131508530?utm_medium=clipboard_copy&utm_source=copyLink&utm_campaign=postshare_creator&utm_content=join_link
#FPVBuild #DJIO3 #FreestyleDrone #6SBuild #BeginnerFPV #DroneTutorial
Full BOM, coupons & STL files below β
π All my quads with build links, coupon codes & more can be found here: https://docs.google.com/spreadsheets/d/1EaUGR1q9iuzoooFPb6UfTX9WquzugkxsbRi2mEmfYac/edit?usp=sharing
00:00 β Why this 5" 6S DJI O3 build
00:36 β Parts & BOM + STL files
04:15 β Tools youβll need (soldering)
05:34 β Frame assembly
09:27 β Motors & ESC β install + solder
12:15 β Power: cap, XT60, clean & smoke test
13:43 β ExpressLRS β solder, mount & bind
14:30 β DJI O3 β mount air unit & camera
18:24 β Stack & hardware: FC, plates, straps
19:22 β Config β BF ports, ELRS 250Hz, O3 OSD
20:35 β Motor direction test + remap
21:30 β Modes β arm, turtle/crash flip, beeper
21:48 β Total build cost
22:21 β Maiden flight (first impressions)
23:57 β Outro
Disclaimer: Parts provided for free by @mepsking and @Dolphinrc All opinions are my own. Affiliate links below help support the channel at no extra cost to you.
π₯ exclusive 10% OFF code on Mepsking Motors: fpvgeek
*Parts:*
* Mepsking Neon 2207 Motors (https://www.mepsking.shop/neon-2207-fpv-brushless-motor.html?inviterId=1915291648945373186&utm_source=affiliate&utm_medium=affiliate&spec=2050KV-Fluorescent)
* DolphinRC 60A ESC + F405 Flight Controller Stack (https://dolphinrc.com/product/dolphinrc-f405-v3-50a-60a-stack/)
* Mark5 X Frame DJI O3 (https://s.click.aliexpress.com/e/_oEf63uQ)
* Mark5 X Frame DJI O4 (https://s.click.aliexpress.com/e/_oCc2RWK)
* DJI O3 Video Transmitter System (https://amzn.to/3X8est9)
* SoloGood ExpressLRS Receiver (https://s.click.aliexpress.com/e/_op0Q0Tg)
* Tape: (https://s.click.aliexpress.com/e/_oFe8x2A)
* HQProp E-thix S5 Props (https://s.click.aliexpress.com/e/_opepDaa)
- CNHL 6S batteries (1100mAh): (https://s.click.aliexpress.com/e/_oDdlUMe) (https://www.banggood.com/custlink/KDK9gYKhWd)
- DJI Action 2: (https://amzn.to/4jQt88M)
Complete Parts List: https://docs.google.com/spreadsheets/d/1EaUGR1q9iuzoooFPb6UfTX9WquzugkxsbRi2mEmfYac/edit?usp=sharing
*Upgrades:*
- DJI O4 Pro Upgrade Kit: (https://s.click.aliexpress.com/e/_olRwVUh)
- GEPRC Mark5 DC Pro O3: (https://s.click.aliexpress.com/e/_oEryxOF) (https://www.banggood.com/custlink/D339By3yYO)
*Accessories:*
* DJI Goggles: https://amzn.to/4bOVJce
- Best DJI Goggles Face Mask: https://s.click.aliexpress.com/e/_onNegLp
- DJI O3: https://amzn.to/3X8est9
- DJI O4 Pro: https://amzn.to/44iUYWD
* Remote Control: https://s.click.aliexpress.com/e/_okUoaw9
* Budget friendly Remote Control: https://s.click.aliexpress.com/e/_omRuMJb
* Analog Goggles: https://s.click.aliexpress.com/e/_on7Lpva
* Battery Charger: https://s.click.aliexpress.com/e/_onvsn3H
*Tools:*
- Electric Screwdriver: (https://amzn.to/3QnGnS4) (https://s.click.aliexpress.com/e/_omp2EWW)
- Soldering Station: https://amzn.to/42WmHfu
- Best Beginner Soldering Iron: https://s.click.aliexpress.com/e/_op8r482
- Soldering Help: https://amzn.to/4094WaG
- Wire Stripper: https://amzn.to/3EKUCOu
- Silicone mat: (https://s.click.aliexpress.com/e/_oEit3cH) (https://amzn.to/4kbFl9C)
- Flux: https://amzn.to/4hKVXU7
- SmokeStopper: https://s.click.aliexpress.com/e/_oD7E18z
- Isopropyl: https://amzn.to/4lfquut
*My Setup:*
- Macbook: https://amzn.to/40X5JuV
- Camera 1: https://amzn.to/3QkxM2E
- Camera 2: https://amzn.to/42d3AgF
- Camera Stand: https://amzn.to/4kMD6cL
- Monitor: https://amzn.to/4gGToRx
- Lighting: https://amzn.to/40XLoWq
*STL-Files:*
* GEPRC O3 Antenna mount STL: https://www.thingiverse.com/thing:6250778
* Action Cam Mount: https://www.printables.com/model/217897-t4-max-fov-action-2-dji-tpu-drone-mounts
* Mark5 Bando Motor Guards: https://www.patreon.com/posts/geprc-mark5-130998664?utm_medium=clipboard_copy&utm_source=copyLink&utm_campaign=postshare_creator&utm_content=join_link
* Mark5 DJI O3 Mount: https://www.patreon.com/posts/dji-o3-air-unit-131508302?utm_medium=clipboard_copy&utm_source=copyLink&utm_campaign=postshare_creator&utm_content=join_link
* Mark5 Caddx Vista Mount: https://www.patreon.com/posts/caddx-vista-air-131508530?utm_medium=clipboard_copy&utm_source=copyLink&utm_campaign=postshare_creator&utm_content=join_link
#FPVBuild #DJIO3 #FreestyleDrone #6SBuild #BeginnerFPV #DroneTutorial
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Video Information
Views
60.7K
Likes
1.5K
Duration
24:24
Published
Jun 19, 2025
User Reviews
4.7
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