FAQ — DUILIO FPV and DUILIO F4
Start from DUILIO FPV: account, Garage, remote control, sharing and Raspberry setup. The final section covers DUILIO F4 hardware for projects that need a dedicated motion-control board.
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DUILIO FPV
What is DUILIO FPV?
DUILIO FPV is a remote-control platform for vehicles and machines. It combines a Windows app, a Raspberry Pi onboard computer, low-latency video, telemetry and a secure WireGuard connection.
Is DUILIO FPV only for RC models?
No. RC models are a practical starting point, but the architecture is meant to grow toward robots, mobile platforms and more demanding remote-control applications.
Do I need DUILIO F4 to start?
No. The software-only path works with a PC and a Raspberry Pi. DUILIO F4 is an optional hardware layer for projects that need deterministic motion control, local I/O and stronger failsafe behavior.
What is included in the software-only path?
The Windows app, the Raspberry onboard software installed by the setup flow, account access, Garage, downloads, tunnel configuration and update management.
Is hardware included?
Not by default. You can buy compatible hardware wherever you prefer, or request a separate quote for a package that includes DUILIO F4 or other hardware.
How is DUILIO FPV offered during early access?
DUILIO FPV is free to use during early access until September 30, 2026. After that, personal use is expected to require a small initial contribution, while business use will be handled with custom packages and assistance.
Account & Garage
Why do I need an account?
The account gives access to installers, Garage, registered machines, shared machines and the server-side data needed to prepare secure connection profiles.
Where do I download the installer?
Installers are available from the personal area after login. This keeps downloads, versions and access tied to the active account.
What does Garage show?
Garage shows your machines, machines shared with you, current setup state, ownership, sharing state and the downloads available for the account.
Do I need to manually download the Raspberry package?
Normally no. The Windows app installs or updates the Raspberry software during setup. The website may show the Raspberry software version, but the installer flow handles deployment.
What data is saved to make DUILIO FPV work?
The service stores account data, machine records, device identifiers, connection endpoints, WireGuard profile state, sharing permissions, heartbeat information and technical logs. The privacy policy explains the details.
Sharing
What is the difference between owner and pilot?
The owner manages the machine and decides who can access it. A pilot receives access to a shared machine without owning its configuration.
How does sharing work?
The owner shares a machine from the account area. The backend prepares the shared tunnel and the pilot receives the machine in Garage when the share is ready.
What do pending, ready and revoked mean?
Pending means the share exists but is not fully ready, ready means the pilot can use it, and revoked means access has been removed.
Does the pilot need the Raspberry SSH password?
No. Sharing is handled through account permissions and generated connection profiles, not by giving the pilot direct maintenance credentials.
Can shared access be removed?
Yes. The owner can revoke sharing, and the backend state is the reference for whether a pilot can still use a shared machine.
Setup & connectivity
What is DUILIO FPV Tools?
It is the Windows app used to log in, manage Garage, configure machines, install the Raspberry software, prepare tunnels and start the FPV session.
What do I need for a basic setup?
A Windows PC, a Raspberry Pi on the vehicle, a camera or video path supported by the setup, network access and the software installed through the DUILIO FPV flow.
What is Duilio Connect?
It is the managed connection flow used by DUILIO FPV to coordinate machine identity, endpoints and WireGuard configuration through the backend.
Is DuckDNS still required?
No for the standard flow. DuckDNS remains only as an optional fallback when present in legacy or custom configuration.
Is WireGuard mandatory?
For normal remote operation, yes. WireGuard provides the secure network path between the PC and the Raspberry. The app guides installation and profile import where needed.
What should I check if START is not ready?
Check that you are logged in, the correct machine is selected, the tunnel profile is installed, the Raspberry is reachable and the onboard service is reporting heartbeat.
Safety & terms
Can DUILIO FPV guarantee remote control in every condition?
No. Remote control depends on hardware, power, radio or network quality, operating system behavior and local configuration. Always test in a safe area and use independent failsafe measures.
Where should I use it?
Use it only in controlled, legal and safe environments, away from people, traffic and property that could be damaged by a malfunction.
Does the cloud backend replace local safety?
No. The backend coordinates accounts, machines and tunnels. It does not replace local safety design, physical emergency stops, correct wiring or vehicle-level failsafe logic.
Are there specific terms and privacy information?
Yes. DUILIO FPV has service terms and is covered by the privacy policy because the account, Garage, sharing and connection setup require server-side data.
Can I use DUILIO FPV for harmful or prohibited applications?
No. The service must not be used for unlawful, unsafe, harmful, weaponized or surveillance-abusive purposes.
DUILIO F4 hardware
What is DUILIO F4?
DUILIO F4 is a motion-control board based on STM32. It is designed to add deterministic motor control, local safety logic, I/O and expansion options to DUILIO projects.
When should I add DUILIO F4?
Add it when the project needs more reliable local control than a PC/Raspberry-only setup: external drivers, deterministic timing, local failsafe behavior, I/O, relays or multi-axis expansion.
Is DUILIO F4 a motor driver?
No. It is a controller for external motor drivers. It generates control signals and safety logic, while the driver handles motor power.
Can DUILIO F4 work standalone?
Yes. Depending on configuration it can work with RC input, USB, RS485 or other supported control paths without requiring the full FPV stack.
What does it add compared with PC and Raspberry only?
It moves critical motion behavior closer to the machine: enable logic, command loss handling, output timing, encoder feedback and hardware I/O can remain local.
Can it power the Raspberry Pi?
It can support optional power configurations, but power direction must be configured carefully. Avoid powering the same line from two sources at the same time.
Which drivers are supported?
The typical target is external drivers with logic inputs such as PWM/DIR, STEP/DIR or similar control interfaces. Analog 0-10 V drivers need a proper conversion stage.
Can it scale to multiple boards?
Yes. RS485 and explicit addressing are intended for multi-board and multi-axis systems where one machine needs more I/O or more motor channels.
How is DUILIO F4 supplied?
Hardware is handled separately from the software-only path. You can request a quote for DUILIO F4 or for a package that includes software access, hardware and assistance.