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by trip42
5207 days ago
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I built a slideshow control system for a class project using nearly the same approach. A user uploads a slideshow or authors it online and connects a phone/device via a QR Code or URL to control the presentation. The controller uses websockets to communicate with a nodejs server for events like previous/next, a touch-screen based laser pointer, and presenter notes. I was amazed how responsive the touch movements translated to moving a dot on the screen through a remote node server. We didn't use any accelerometer events, but touch events worked seamlessly on iOS and Android. |
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