The soil moisture sensor module , built around the LM393 comparator, gives an active-low (L) level output when the soil is dry (determined by a pre-setted threshold value). This digital output (wet ...

My soil-moisture reading was in the low 700s in soil that had around 30 percent moisture (according to a comparison with a commercial soil-moisture sensor), and 661 in a drier pot.

Temperature is quite simple. He’s using a TMP36 sensor which is held a few inches above the soil. The moisture sensor is of his own design. It uses two building screws embedded in foam. These ...

This LoRa node used off-the-shelf components consisting of an ATmega328P-based Arduino Pro Mini and SX1276-based ... that are based on a capacitive soil moisture sensor, an LM35 temperature ...

Oct 17, 2023: Sustainable smart agriculture with a biodegradable soil moisture sensor (Nanowerk News) Increasingly limited land and water resources has inspired the development of precision ...