If you're the type to eschew the weather report on your smartphone and just, you know, open the window instead, the Thermodo sensor and app that just launched on Kickstarter may be for you. The petite device inserts into (and draws power from) the audio jack of your iOS or Android handset / tab, measures the exterior or interior air temperature, then sends a corresponding audio signal to the mic input on your device. The companion app, along with developer Robocat's
