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Inexpensive methods to get *almost* continous fog vs. purchasing pro unit

15494 Views 18 Replies 8 Participants Last post by  Krusty
In a pro audio / video / DJ products catalog--or perhaps the distributor catalog someone posted to the thread about the new Gemmy Lightshow Projection units thread--I saw a listing for a Continuous fog machine. Forget the price, but it was a shocker--can't justify the cost, as my show is a home yard haunt, one night per year. For all the actual laser units I have (like the separate red, green, and blue BlissLight spright / firefly weatherized "spread laser dot field" units), and possibly for a Green Laser Vortex emulation, etc. Everything seems to go better with fog. I had a mishap with a front yard fogger that interfered with my otherwise cool-to-me 2000 watt cheap lightning effect using two Morris Costume Perfect Storm units, some photo flash bulbs, etc. And I just lost the atmosphere of green flood lights shining through my graveyard--so much less interesting without semi-continuous fog.

What are my options for emulating a Continuous Fog machine? Doesn't have to be 100% Continuous; but a lot closer than what you get with a typical reheat cycle.

I see some options as:
1) Figure out how many cheap fog machines I'd need to purchase and run to achieve near-continuous fog on my lawn. Any ideas? And of what wattages? e.g. a bunch of 400 watt or 700 watt units? Just turn 'em all on and let chaos keep things moving more or less continuously--or close enough for my budget...

2) Discover some sort of timer-socket fogger hack which could then be controlled by a Raspberry Pi. I've never owned a RasPi, but hope to get one before the summer is over. A colleague at work just bought a CanaKit RaspBerry Pi from Amazon and actually didn't have any compelling ideas to do things with it. I'd have *plenty* of projects to keep him busy with--a Fogger Hack / Foggers controlled by a Raspberry Pi would be awesome. Here's the kit he bought:

3) Combine either technique 1 or 2 with a very high wattage fogger like the one Monoprice sold last season as a "fog base." I have a Monoprice still unboxed from last year; no timer socket I believe)


Any ideas would help on trying to simulate / emulate / get close to a continuous fogger without spending a lot of money
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The cheapo foggers I've seen have a little cord with a switch to turn them on and off and little neon light that lights up when the unit is hot.
You could replace this switch with a relay, and use a photodiode to pick up the neon light being on, and then run the control from a raspberry pi. Should be simple enough to switch units when the active one runs out of heat. Though raspberry pi is overkill for that minimal control a little arduino or attiny chip would do it.
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