What you’re seeing there is an ultrasonic sensor on the table reading how far my hand is away from it, then it sends that value over WiFi to the Unity3D game, which then maps that to the plane movements.
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FlappyHand: Unity3D game with an ESP8266 Arduino (Wemos) controller over WiFi
What you’re seeing there is an ultrasonic sensor on the table reading how far my hand is away from it, then it sends that value over WiFi to the Unity3D game, which then maps that to the plane movements.
Full article