This project uses a Raspberry Pi for an augmented reality experience with real-life functionality.
Raspberry Pi AR Light Switch Uses a Smartphone App : Read more
Raspberry Pi AR Light Switch Uses a Smartphone App : Read more
When described at that level, it's not clear why the AR app couldn't just signal the gateway, directly.The Raspberry Pi relies on a while loop to check for triggers from the AR app. When it detects a change, it sends a signal to the Phillips Hue gateway to change the light value.