Here is a list of projects ... signal the pump that it's time to re-hydrate. There are sensors sensitive enough to pick up ...

To address this, Instructables user benrbill came up with a game-changing solution: an automatic drip irrigation system powered by Arduino. This DIY electronic project ... a water pump to provide ...

[Gonzho] has been busy the last few years working on his own Arduino Powered Open Source heat pump controller, and the project logs show some nice details of what it takes to start experimenting ...