Abstract
In the agriculture sector Continuous water extraction from the earth decreases water level owing to the slow arrival of a lot of soil in the areas of irrigated land. This is also owing to the unexpected use of water, which leads to a substantial quantity of waste. This automatic irrigation system is used for this purpose. Power comes from photovoltaic cells using solar energy. Therefore it is not necessary to rely on erratic business energy. The circuit consists of sensor components constructed with op-amp IC. Op-amps are set up as a comparator here. In the soil are placed two steep copper cables to see if the soil is moist or dry. The entire system is controlled by a microcontroller. IC which contacts are used to turn the engine ON, the engine is switched OFF when the ground is moist. The above task is carried out by the microcontroller, which receives the signal from the sensors and which functions under software control that can be stored on the microcontroller's Rom. The pump situation is shown on a 16X2 LCD interfacing to the microcontroller. The ON / OFF pump situation is shown. The project can also be strengthened through its interfaces with a GSM modem, which allows control of the engine switching.
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