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1 System Description
Solo is a reliable, easy-to-use quadcopter optimized for capturing aerial video and still imagery. This section
provides a technical description for the 3DR Solo system, including components, communication, control, telemetry,
and operator interaction.
1.1 System Overview
The 3DR Solo system includes the Solo quadcopter, Solo controller, “3DR Solo” app, and the human operator.
The operator interacts with the controller and app on the ground, and the controller communicates with the Solo
quadcopter during flight.
The 3DR Solo system includes the Solo quadcopter, controller, “3DR Solo” app, and the human operator. The
operator interacts with the controller and app on the ground, and the controller communicates with the Solo
quadcopter during flight.
Solo Quadcopter
Solo is a small unmanned aerial vehicle powered by four brushless motors and four propellers. Solo’s onboard
computers control navigation, attitude, and communications in flight while sending real-time telemetry and video
output and receiving control inputs over the 3DR Link secure WiFi network. Solo is optimized for aerial imagery
using a GoPro® HERO camera.
Controller
The controller provides joystick, button, and dial controls and displays in-flight data on a full-color screen. Using
twin long-range dipole antennae, the controller acts as the central hub for all communication on the 3DR Link
network, receiving all communications from Solo and the app, forwarding telemetry outputs to the app, and
controlling the transmission of all control inputs to Solo.
App
The “3DR Solo” app outputs a live video stream from Solo’s onboard camera to an Android or iOS device. The
operator can use the app to view the live video with overlaid telemetry and access a simplified graphic interface for
controlling Solo’s advanced functions. The app connects to the 3DR Link network to receive video and telemetry
outputs and send control inputs.
Figure 1.1.1: Solo System Context Diagram
Video output
Telemetry output
Control input
Operator
3DR Solo
Controller
3DR Solo
3DR Solo
App
AirGround
3DR Link
Secure WiFi
Network
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