I found this car seat heating pad at a thrift store a couple years back thinking it might come in handy for something farm-related in the future.

There's an interlock switch that tells the heater if anyone is sitting on it or not which needs to be bypassed for this application. Hook up a 12 volt DC power supply and you've got yourself a homemade do it yourself heating pad for sprouting sweet potatoes and anything else that needs to be kept warm during these cold spring nights.

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About us: Anna Hess and Mark Hamilton spent over a decade living self-sufficiently in the mountains of Virginia before moving north to start over from scratch in the foothills of Ohio. They've experimented with permaculture, no-till gardening, trailersteading, home-based microbusinesses and much more, writing about their adventures in both blogs and books.



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