A smart water leak detector may not be the most exciting smart home device, but it is one of the most essential. These ...

To use the function in the Kidde app that allows you to switch off an alarm, your phone needs to be on the same Wi-Fi network ...

The water meter is at the street rather than in his house, so the sensor is wired to the Pi with some telephone cable. But from there the system is wireless. [David] goes into some good detail on ...