Since this project uses a water flow sensor containing a Hall-Effect sensor that outputs a pulse rate proportional to flow rate, so not only is it a useful project in its own right but it also ...

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.

This is a simple arduino project for a soil moisture sensor that will light up a LED at a certain moisture level. ... Insert the 2 probes (wires, pcb) in the dry soil and measure the resistance value ...

5 projects best suited to an Arduino, not a Raspberry Pi. Story by Patrick Hearn ... All it requires is a moisture sensor, a ...

Arduino has certainly made its mark in the world of DIY electronics, providing an accessible platform for a wide range of creative and interactive projects. Known for its user-friendly hardware ...

It runs on an Arduino MEGA 2560 PRO (or similar microcontroller) and supports a wide array of additional hardware including pressure transducer, water level sensor, flow meter, OLED display, and more.

I built a solar water heater controller 25 (?) years ago and being cheap and lazy I used diodes for temp sensors to make a differential thermostat. The sensitivity is low, so I just used 5 in series.