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 ...

A low-cost (~$100), do-it-yourself (DIY) ultrasonic water level sensor/datalogger has been designed, constructed, and tested for use in education, citizen/community science, and research settings. The ...

The first is an LED matrix that eleven-year-old Daniyal brought to life using Arduino. ... he displays each letter of his name on the 8×8 red LED module ... Haya and Taha built a water level sensor.

It’s paired with a water level sensor to keep an eye on the water available to the system. Moisture sensors are also used to monitor the prevailing soil conditions, to ensure the plants aren’t ...