These days, if you want to be an electronics geek, it means getting into Arduino. It’s the open-source micro-controller platform that can let anyone be a hardware developer. And the place to start the journey is with Getting Started With Arduino, from Make Magazine and co-written by Arduino co-founder Massimo Banzi. Pick up a copy today for just $12!
It’s been a little chilly lately, and sometimes you just want to snuggle in bed and stay warm. Make that happen with this dual-zone warming fleece mattress topper. It’s low-voltage, safe, and even (gently) washable. Each side has it’s own controller. The California King model is on sale today for $100!