From the circuit diagram of the module, it is clear that, apart from the module only a few external components are needed to build a relay-driver circuit. ... (soil moisture sensor experiment @ author ...

The first circuit is an analog sensor circuit. It uses soil moisture sensor and LEDs and sound generator to indicate the level of moisture in the soil. the blue LED and the sound generator turn on ...

Users can load the model and use it to predict moisture content for a given date and season. Circuit Diagram: Power Supply Module: Connect the power supply module to the breadboard. Ensure it provides ...

Working of the circuit is simple and straightforward. The base of transistor T1 is connected to a ‘gimmick’ potential divider comprising sensitivity control preset VR1 (2.2-mega-ohm), fixed resistor ...

Note: Arduino Nano board and Amphenol Humidity and Temperature sensor was purchased from digikey for this project. When we turn on the circuit, soil moisture sensor starts measuring the water level in ...

In this study, we propose a simple but efficient, low-cost power efficient embedded system for solar based Off-Grid irrigation by orientation of the solar panel in the direction of the sun for ...