When you purchase a soil moisture sensor module, it comes in two parts, the sensing probe and the module with few components. To fully understand how the sensor module works, we have to look at the ...

If the moisture value is above 1000, LCD displays “Sensor is not in the soil”. Make connections as per the circuit diagram. Connect Nano Cable with Computer. Connect Vcc of the sensor to 5V and ground ...

The system measures soil moisture and controls a motor based on the moisture level detected. The code initializes the LCD display and sets up the pins for soil moisture sensor and motor ... as ...

Fig. 3: Live LCD screen in author’s prototype Fig. 4: PCB pattern of the soil moisture meter Complete circuit diagram of the soil moisture meter is shown in Fig. 2. After construction of the sensor ...