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delina_gw

Automated humidity control?

Delina
19 years ago

I just started an orchidarium in an 18 gallon tall aquarium. I'm trying to rig up a system so that I can go away for a week or two and have timers and controls handle everything while I'm gone.

The light is easy enough to do on a timer, but I'd really like to find a humidity controller that will turn on the misting system when the humidity drops below 50%. Does anyone know where I can find such a thing for a reasonable price?

Alternately, has anyone tried a PIC controller who would be willing to share plans or ideas? I'm a fair hand at electronic tinkering and can get a humidity sensor chip locally (ah, the joys of university stockrooms). Ideally I'd like a system that would come on at 50% or below and shut off when it reaches 80%, but I guess one that stays on for a fixed interval after triggering would really be sufficient.

Thanks for any ideas!

Katie

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