It also has a GSM/3G modem, allowing it to report the measured water quality to a central database. All of this is housed in a 3D-printed enclosure that makes the whole setup easy to carry and ...

But by the age of nine, a noticeable gap begins to emerge — girls’ confidence and enthusiasm for STEM subjects often start to ...

When the sensor detects that the moisture content is already below 30%, it sends a signal to the Arduino, which, in turn, activates a water pump to provide hydration to the plant.

8: Arduino Water Level Indicator 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 ...

Community-Wide Monitoring of Lead in Drinking Water Distribution Systems Using Hand-Held Voltammetric Sensors and Geographic Information Systems. ACS Omega, 2025; DOI: 10.1021/acsomega.5c01580 ...