An interactive exhibition installation where sound and lights sequence is triggered by audience entering the installation space – The Pod.
To design and build reliable and stable device which will run lights, sound, motion sensor.
I designed, programmed and built a mini multimedia server based on Raspberry Pi 3 board with UPS board and Enttec USB2DMX modules. The server were controlling lights, sound and sensor.
I used minimal headless version of Debian operating system with QLC+ and Node-Red applications installed. QLC+ run lights sequence and playback sound track. The Node-Red controlls sensor, triggering lights cues, sound cues, schedule, system monitoring, diagnostic MQTT messaging etc. QLC+ was linked with Node-red over OSC. The server run the exhibition for over half a year faultless.
The MQTT messagaes were subscribed and stored in a cloud database. Counter and visit chart are generated with grafana from stored data.
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© Grzegorz Zając