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ac.pdf
1. DR. Rajendra gode institute of technology and
research, Amravati
Under the Guidance Of :Dr.R.M.Deshmukh
Submitted By :- Mr. Amol L. Chavhan
Topic :- Soil Moisture Monitoring System
2. 2
01/06/2023
Introduction
About 40% of the earths land is now given over to agriculture, and it
consumes 85% of available fresh water. Due to globalization and population
growth this figure of water conservation has been increasing every year. So
it became a major challenge to every nation for reducing the farm water
consumption. For better irrigation system, it is very crucial to measure the
soil moisture for agriculture application, so that it will help farmers to
manage their farm land more effectively.
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01/06/2023
NodeMCU V1.0
NodeMCU V1.0 is an open source IoT platform with ESP8266-12E
chips. It is low-cost, breadboard friendly, integrate a USB to serial chip, and
a simple USB to micro USB cable can be used to powered this board. This
development board provides access to the GPIO(General purpose
Input/Output) subsystem. This modules aimed for developing ESP8266
based Lua IoT applications
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01/06/2023
Moisture sensor
The soil moisture sensor is one kind of sensor used to
gauge the volumetric content of water within the soil. These
sensors measure the volumetric water content directly with the
help of some other rules of soil like dielectric constant, electrical
resistance, otherwise interaction with neutrons, and replacement
of the moisture content
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01/06/2023
LM393 Driver
LM393 comparator is used to compare the soil moisture
level with the preset threshold value. This device consists of
two independent low voltage comparators which is designed
specifically to operate over a wide range of voltages from a
single power supply. The unique characteristics of these
comparators is that the input common mode
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01/06/2023
Buzzer
๏ฌ
buzzer is made with a magnet, solenoid coil, oscillator,
housing, vibration diaphragm, and magnet. Once the
power supply is given, the oscillator which produces the
audio signal current will supply throughout the solenoid
coil to generate a magnetic field.