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Hi All

Just wondering if anyone can offer advice on a cost effective, plug and play rain sensor ? Does such a thing exist ? Looking for something I can mount permanently on the roof of my shed that will give me an alert should it start to rain.



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The best sensor I know of and have used is the one made by Hydreon. The Hydreon Optical Rain Gauge works on the same principal as the auto sense used on automatic wind shield wipers. Not cheap at £100 though.

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Thanks for these replies, very useful.

So there isn't an all in one off the shelf solution that I can just chuck batteries in and stick on the roof ?

Looks like I will be buying a soldering iron and some components to make this happen. 🙂

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