DIY Greenhouse Controller Technology By Andrew LewisAndrew LewisView more articles by Andrew Lewis October 26th, 2010 Build a temperature-switched power outlet and save some green. Tagged MAKE 24 By Andrew LewisAndrew LewisView more articles by Andrew Lewis Discuss this article with the rest of the community on our Discord server! ADVERTISEMENT Subscribe now to Make: MagazineThe official magazine of Maker Faire Related Articles from Make: From the Shed: New ArrivalsMaker Faire Event Hats$30.00Make: Skill Seeker Maker Workbook - Print$16.99Lil' Makey Plushie$10.00 Get Make: Magazine $19.99