Here is a tested Arduino project that uses 3 sensor probes as water level indicator with 3 leds and one LCD display + a simple controller that turns on a motor when the water has reached the desired ...

Using the Arduino CapSense library, the sensor can detect the presence of water, signaling an alarm if the base needs refilling.

Sensors for Tracking Home Water Use Sensors track devices’ electricity, water, and gas consumption from one spot.

CropX makes sensors and software designed to help farmers determine precisely how much water to use in different parts of their fields.

Water leaks can happen with virtually no warning. If you’re looking to protect your home, a water leak sensor may be your best option.

Currently, if you want to check water supplies for the presence of toxic bacteria, you have to take a water sample and then culture it in a lab over several days. In the meantime, it's impossible ...