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Introduction
Introduction
This content was added as a part of Vishaka’s project 2 in Spring 2025. The goal of the project was for researching collaborative AR experiences, using a multi-user controller to test interactions. However, I pivoted the project to not use Arduino, mostly based on latency and troubles with getting the setup ready!
This guide should help to outline the possibilities and current resources of using Arduino with Unity on a Meta Quest headset.
Why connect Unity and Arduino?
Why connect Unity and Arduino?
Arduino provides novel physical inputs that are often used for real-world sensing, with sensors that could measure rotation (potentiometer), distance (ultrasonic), or even light (photoresistors). With this type of physical input, you can create new types of interactions from the physical world that trigger changes in the digital space of Unity.
I was inspired to pursue this connection based on this project, where a microcontroller and linear actuators are used with a headset to adjust visualizations:
Connection methods
Connection methods
Serial communication
Using Arduino to control Unity Objects, Arduino script sends to serial monitor, you have a C# script for object
Needs to be plugged into computer (not over wifi)
Unity Plugins
Bluetooth / Wifi connection
Connecting Unity with Arduino via wifi/bluetooth: Resource
Using UDP connection
Websocket connections
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