The Planted Tank Forum - View Single Post - Improved Arduino LED lighting code
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post #26 of (permalink) Old 09-10-2011, 10:02 PM Thread Starter
Algae Grower
Join Date: Jun 2011
Location: Boston, MA
Posts: 148
Originally Posted by reybie View Post
Question for you electronics gurus. Since you're already using an arduino board already, is it possible to integrate a temperature sensor in it that can switch a relay on/off to say power a fan or heater?

I was browsing the arduino forum briefly today and I don't think there's a waterproof temp sensor (yet).
You could probably just take a cheap temp sensor IC (LM35, etc) and then encase it in a tube.
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