Automatic Street Light and Irrigation Enabled Smart Micro Ecosystem using Solar Energy

Abstract

Rapid growth in energy demand world
widely, expensive and limited fossil fuels, and
with new inventions and applications in the field
of renewable energy sources; these all major
points leads us to effectively use renewable
energy sources with respect to green energy, less
carbon foot print and safe future. This paper
consist an effective smart micro ecosystem, for
that an experimental setup has been conducted
which includes two applications of renewable
energy i.e. Automatic Street Light and
Irrigation Control System using solar PV
Module. In this paper firstly, Automatic Street
Light Control System application has been
shown where, timer IC 555 is used as a
comparator which receive signal from LDR and
act as a switch to turn ON and OFF street light
automatically whenever the sunlight goes below
the visible region and vice versa respectively.
Secondly, for optimum gains on
irrigation all kinds of advanced techniques are
now being used to achieve high production rate
which includes effective use of water resources.
For that Irrigation Control System has been
made to create an automated irrigation
mechanism which turns the pumping motor ON
and OFF on detecting the dry or wet soil
moisture content of the earth respectively
eliminating monitoring of water level in soil.
LM324 comparator is used for comparing
reference and soil condition parameters, which
enables a pump controlled by relay using driver
circuit. In this experimental setup mainly the
solar power is used to supply required power to
the pump and street lights. The main objective
of this micro ecosystem is to save energy and
maximum utilization of available energy
smartly.