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 ...

The Arduino Plant Watering System is designed to automatically supply water to your plant's soil once its moisture level falls below a particular point.

Conceptually this seems easy, but I need to find a sensor that can tell me the water level (or the delta from filled) and report that data out via wifi. Anybody know of something that would work?

The first is an LED matrix that eleven-year-old Daniyal brought to life using Arduino. In the video, he displays each letter of his name on the 8×8 red LED module and then shows his version of ...