Feb 15, 2023
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...how to make a fogroom.
Its not quite like Twin Peaks, but its pretty good!
The fogroom is a project which involves 144 ultrasonic transducers, 6 solenoid valves, two dedicated control boxes and good old tap water.
The draft control system was originally intended for a “rain room” project, however it was easily repurposed.
A lot of the early prototyping involved finding an easy to maintain and control fog generator system. There are a lot of commercial fog generators out there, however few seemed to be geared for our purposes. Rather than purchase a commercial set-up, we went and obtained the transducers that are commonly found within these commercial systems. Some experimentation was then done with various methods of pushing, pulling & conducting the fog. It needed to look and flow like real fog.
The test version was controlled with MAX/MSP for DMX lighting, Audio and playback.
The installed version utilized a PLC and show controller combo as something a little more robust was required for this 365 day a year attraction.
In the end, this project came together pretty well. One lesson from this one: titanium is a great metal for detecting water level :)