When the soil gets too dry, the moisture sensor will signal the pump that it's time to re-hydrate. There are sensors sensitive enough to pick up minute changes in your skin, and you can link these to ...

Ever wanted to measure soil moisture? Common “soil moisture meter module arduino raspberry compatible free shipping” PCBs might deceive you with their ascetic looks. Today, [Raphael (@rbaron ...

Although we generally think of Internet of Things (IoT) and similar devices as things that are scattered around above ground, there are plenty of reasons to also have such devices underground.