but they also had some 'build your own' relays in their issue #3, possibly still on newstands, but certainly from amazon.com. I lost a bunch of bookmarks in an 'upgrade' and can't find the link to the place with the controllers, but they ARE out there. If I find them, I'll let ya know.
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http://www.instructables.com/ex/i/1F2CBE64BAFE10289B50001143E7E506/?ALLSTEPS
but they also had some 'build your own' relays in their issue #3, possibly still on newstands, but certainly from amazon.com. I lost a bunch of bookmarks in an 'upgrade' and can't find the link to the place with the controllers, but they ARE out there. If I find them, I'll let ya know.