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Simulation

Solaris Digital Twin

Real-time digital twin of a self-landing rocket

Watch the demo
Problem

Testing landing logic on real hardware is slow and risky.

What I built

A Unity digital twin of a self-landing rocket driven by live Arduino sensor data.

Result

The same landing scenario runs in simulation and on the physical model.

Solaris Digital Twin preview
Role
Project lead
Year
2025
Team
SRM Institute of Technology
Stack
Unity, C#, Arduino, Python

Overview

A Unity simulation of a self-landing rocket that mirrors a physical model in real time, fed by live sensor telemetry from an Arduino.

The problem

Testing landing logic on physical hardware is slow and risky. A digital twin lets you run the same scenario in simulation and on the real model, and compare them.

What I built

  1. 1Built the rocket, launch pad and terrain in Unity and scripted the autonomous landing in C# on Unity's physics engine.
  2. 2Streamed ultrasonic-sensor readings from an Arduino over serial into the simulation.
  3. 3Kept the virtual and physical models in sync so telemetry could be read on either side.

Highlights

  • Hardware-in-the-loop: real sensor data drives the simulation.

How it works

  1. Ultrasonic sensor
  2. Arduino
  3. Serial link
  4. Unity digital twin
  5. C# landing logic

Screens

Rocket on the launch pad in the Unity scene
Rocket on the pad in the Unity scene
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