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 ...

Connect the A0 pin of Soil Moisture Sensor Module to A0 pin of Arduino Nano. Connect the Data pin of DHT11 Sensor to A5 pin of Arduino Nano. Upload Code: Clone this repository into your system. Open ...