This sensor is relatively complex to set up, but it works with older Arduino boards like the first-gen Uno. Measuring the pH level of a water source can give you a range of information about the ...

pH sensor), use a programming app available on major desktop operating systems, and are relatively affordable and easy to source (there are plenty of Arduino clones you can get for cheap ...

The hardware is consists of an Arduino microcontroller (here an Arduino Uno R3) and a pre-wired soil moisture sensor module. The soil moisture sensor module , built around the LM393 comparator, gives ...