Originally posted by Conrad_Turbo
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What solution are you planning on using with the oils? I've made my own bug repellent with essential oils. I used vodka to make it sprayable. It evaporates real fast.
I think it would be neat to have it so that we woke up to a smell that kind of sets the stage for the day. A sunny day would smell different than a rainy day.
While you are planning on incorporating with your furnace, I can see a stand alone one. It is 28' to my ridgepole with an open floor plan. Putting one up high would probably fill the whole house.
The arduino seems perfect for this. Sketch would not be that complicated. I think I might incorporate the mixing logic into the arduino. Timing on events is not always that instantaneous. If you need to fire 1 sec of oil A and 2 sec of oil B and .5 sec of oil C, I would not trust the event timing to give you what you want. I see it more along the lines of the event just telling the arduino to mix smell #7 and the arduino would know how to do that with precision.
Just thinking out loud.
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