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Arduino-powered Active-tracking Solar Panel
Solar panels are more common these days, whether arranged in fields as collection arrays, on the roof of homes, or as part of your camping or festival gear to keep mobile devices topped up.

Don’t Get Caught Out By Rain with this Arduino-Powered, Water Detecting Umbrella!
We’ve all been there. You’re out and about, on a sunny day, when all of a sudden the clouds gather and it starts to rain. It’s not a light shower, either, but that apocalyptic type of rain storm that looks like all the rain in the world is going to fall before it stops.

A Raspberry Pi-Based NOAA Decoder That Tweets Satellite Photos!
Our experience of the weather is traditionally passive; we have little choice other than to accept what happens in the atmosphere above. It might rain; it might be windy; sunshine might be slight, or enough to convince you to go to the beach.

Raspberry Shake: A Pi-Powered Earthquake Detector
It’s always great to see a successful Kickstarter project, but let’s hope the Earth didn’t move too much for the Raspberry Shake team, whose earthquake detector is now available to purchase.