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Automatic Venting With Muscle Wire

 
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I came across this article about cheap, easy-to-make muscle wire, and the first thing that popped into my mind was how perfect it would be for automatically opening vents in greenhouses, based on how hot they are. (The annealing process they use could be a little tricky to replicate, though.)
 
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Location: Fennville MI
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A bit more information is needed, but that does look promising. Thanks for bringing this up.
 
That's my roommate. He's kinda weird, but he always pays his half of the rent. And he gave me this tiny ad:
Greenhouse of the Future ebook - now free for a while
https://permies.com/goodies/greenhouse
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