Capacitive soil moisture sensors don’t have the same problem. Resistive ones are the ones that have that electrochemical reaction and are why when I first got some I stayed clear of resistive ...

In order to achieve this goal, a printed soil moisture sensor fabricated from biodegradable materials is demonstrated. These devices are intended to function during the growing season and then ...

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 ...

A frequent beginner project involves measuring soil moisture levels by measuring its resistance with a couple of electrodes. These electrodes are available ready-made as PCBs, but suffer badly from… ...

We use the built in capacitive touch measurement system built into the ATSAMD10 chip, which will give you a reading ranging from about 200 (very dry) to 2000 (very wet).

In an afternoon I built a smart sensor that reads and displays soil-moisture levels, light intensity, and temperature. What You'll Need • Bolts, nuts, ring terminals ($5) • Arduino Uno ($28 ...