2025 Freestyle 3.5 Inch on-board DVR drone build. Part 7 - ELRS Receiver, binding & troubleshooting

Detailed process of building 3.5 inch drone from scratch. Part 7 - Installing RadioMaster RP3 ELRS Receiver, binding RadioMaster Pocket controller with binding phrase. Resolving Windows connectivity issue when connecting RadioMaster Pocket to ExpressLRS Configurator.

Betaflight setup walkthrough covers ELRS Receiver setup (Modes Tab, Receiver Tab) configuration.

Betaflight OSD CLI Script
https://gist.github.com/olmelabs/1aac...

Full Config Betaflight CLI Script
https://gist.github.com/olmelabs/47e1...

ExpressLRS Configurator Donwload
https://github.com/ExpressLRS/Express...

STM Electronics driver for RadiomMaster Pocket serial support on Windows.
https://www.st.com/en/development-too...

Sologood 1W VTX table
https://gist.github.com/olmelabs/570b...

All videos in the series. The playlist is about how to build relativelly cheap fpv drone for beginners and how to setup vtx in betaflight in 2025.
   • 3.5 Inch FPV drone (with on-board DVR) build.  

List of parts and gear used in the build:

*FlyFishRC Volador VX3.5 O3 FPV Frame: https://s.click.aliexpress.com/e/_olQ...

*Speedybee F405 AIO Flight Controller: https://s.click.aliexpress.com/e/_omC...

*Longer XT30 connector: https://s.click.aliexpress.com/e/_oDi...

*Motors - 4PCS T-MOTOR P1604 KV3800 4S: https://s.click.aliexpress.com/e/_oCG...

*Camera - RunCam Phoenix 2 SP V3 Camera: https://s.click.aliexpress.com/e/_oCm...

*VTX - Sologood (may be soldout): https://s.click.aliexpress.com/e/_oDz...

Alternative VTX: https://www.aliexpress.com/item/10050...

*SpeedyBee VTX TX 800: https://s.click.aliexpress.com/e/_oFy...

*RadioMaster ELRS RP3 Diversity Receiver: https://s.click.aliexpress.com/e/_ooh...

*RunCam Mini FPV DVR: https://s.click.aliexpress.com/e/_op1...
SD Card: https://www.aliexpress.com/item/32691...

*Ace Tattu 650 MAH battery: https://s.click.aliexpress.com/e/_oFk...

*SkyRC B6 neo Smart Charger: https://s.click.aliexpress.com/e/_oES...

*Radiomaster Pocket: https://s.click.aliexpress.com/e/_oDM...
*18650 batteries: https://s.click.aliexpress.com/e/_onw...
*18650 batteries opt 2: https://s.click.aliexpress.com/e/_opT...

*Eachine EV800D Goggles Original: https://s.click.aliexpress.com/e/_ooW...
*Goggles Clone: https://s.click.aliexpress.com/e/_opZ...

*VIFLY ShortSaver: https://s.click.aliexpress.com/e/_oBI...

*Kapton tape: https://s.click.aliexpress.com/e/_oDB...

*SpeedyBee 5.8GHz Goggles Receiver for digital FPV goggles: https://s.click.aliexpress.com/e/_opY...

*Flux pen: https://s.click.aliexpress.com/e/_olw...

*Headband Magnifier: https://s.click.aliexpress.com/e/_oEP...

*Hot Air Gun: https://s.click.aliexpress.com/e/_opC...

Links marked with * are affiliate links.

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