How to Connect a Soil Moisture Sensor to Arduino Uno Microcontroller
Maintaining soil moisture is crucial for the successful growth of crops in agriculture and horticulture. A 16x2 LCD screen can be used to display moisture levels through the use of soil moisture sensors, making Arduino a versatile microcontroller platform.
Watch the video to learn how to connect the soil moisture sensor and display data on an LCD screen, all while using an Arduino.
Soil Moisture Sensor :
The Soil Moisture Sensor uses capacitance to measure dielectric permittivity of the surrounding medium. In soil, dielectric permittivity is a function of the water content. The sensor creates a voltage proportional to the dielectric permittivity, and therefore the water content of the soil.
Connection Process:
1.Connect the wires from the other (4-pin) side of the amplifier to an Arduino board.
2.The VCC goes to 5V, GND to ground, A0 to an analog pin, and D0 to a digital Arduino pin.
3.You can then run the code to output the sensor values via the serial port.
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