REPORT

1. DESIGN OF TRUSS AND
BRIDGES

3. MAIN COMPONENT:
•INTRODUCTION
•INFRARED MODULE / IR SENSOR MODULE
•BLOCK DIAGRAM OF INFRARED MODULE / IR SENSOR MODULE
•ALCOHOL MODULE
•BLOCK DIAGRAM OF ALCOHOL MODULE
•RAIN SENSING MODULE
•BLOCK DIAGRAM OF RAIN SENSING MODULE
•TEMPERATURE SENSOR MODULE
•BLOCK DIAGRAM OF TEMPERATURE SENSOR MODULE
•LDR MODULE
•BLOCK DIAGRAM OF LDR MODULE
•ADVANTAGES OF MULTI WORKING PROJECT
•DISADVANTAGES OF MULTI WORKING PROJECT
•FUTURE DEVELOPMENT
•THANK YOU

4. INTRODUCTION:
 The "Multi-Purpose Home
Security and Automation
System" is an innovative and
versatile project that
integrates five essential
functionalities into a single,
cohesive unit. The primary
objective of this project is to
enhance the safety and
convenience of a household
by combining various smart
features. By using advanced
sensors and intelligent
algorithms, the system can
effectively detect gas leaks,
rain, fire, nightfall, and
unauthorized intrusions, and
respond with appropriate
alarms and automated
actions.

5. INFRARED MODULE / IR SENSOR
MODULE:
 An infrared proximity
sensor or IR
Sensor is an
electronic device that
emits infrared lights to
sense some aspect of
the surroundings and
can be employed to
detect the motion of
an object. As this is a
passive sensor, it can
only measure infrared
radiation.

6. BLOCK DIAGRAM OF INFRARED
MODULE / IR SENSOR MODULE:

8. ALCOHOL MODULE:-
 The MQ3 alcohol gas
sensor is a module used
for detecting alcohol,
CH4, benzene,
gasoline, hexane, CO,
and LPG. It has a
sensitive material SnO2
for alcohol gas
detection, with lower
electrical conductivity in
the fresh air. It is a
semiconductor alcohol
gas sensor that detects
or monitors the
presence or absence of
alcohol.

9. BLOCK DIAGRAM OF ALCOHOL
MODULE:

11. RAIN SENSING MODULE:
 A sensor that is used to
notice the water drops or
rainfall is known as a rain
sensor. This kind of sensor
works like a switch. This
sensor includes two parts
like sensing pad and a
sensor module. Whenever
rain falls on the surface of
a sensing pad then the
sensor module reads the
data from the sensor pad
to process and convert it
into an analog or digital
output. So the output
generated by this sensor is
analog (AO) and digital
(DO).

12. BLOCK DIAGRAM OF RAIN
SENSING MODULE:

14. TEMPERATURE SENSOR MODULE:-
 Temperature sensors are
directly or in-directly
integrated into thermostats,
water heaters, or even
environmental sensing
monitors. The temperature
sensor module is a piece of
hardware primarily used to
measure the surrounding
temperature and convert it
into a readable unit. Suppose
you are planning to
implement a small IoT project
for environmental sensing. In
that case, it is likely that you’d
require a temperature sensor
along with humidity, smoke,
air pressure, and gas
sensors.

15. BLOCK DIAGRAM TEMPERATURE SENSOR
MODULE:-

17. LDR MODULE:-
 LDR sensor module is a
low-cost digital sensor as
well as analog
sensor module, which is
capable to measure and
detect light intensity. This
sensor also is known as
the Photoresistor sensor.
This sensor has an
onboard LDR(Light
Dependent Resistor), that
helps it to detect light. This
sensor module comes with
4 terminals.

18. BLOCK DIAGRAM OF LDR MODULE:-

19. ADVANTAGES OF MULTI
WORKING PROJECT:-
 Resource Efficiency:
Instead of developing multiple
separate projects, a multi-
working project allows you to
leverage resources more
efficiently. This includes
human resources, finances,
time, and materials.
 Scalability: A project that can
be applied in various areas
has greater potential for
scalability. As demand grows
in different sectors or
markets, the project can
easily adapt and expand its
reach without significant
restructuring.

20. DISADVANTAGES OF MULTI WORKING PROJECT:-
 Complexity: Managing a
project with multiple
applications can be inherently
more complex. Coordinating
different teams, adapting the
project to various contexts,
and ensuring consistency
across implementations can
require significant
organizational effort.
 Dilution of Focus: Trying to
cater to multiple areas may
dilute the project's focus. This
can lead to a lack of clarity in
objectives, weaker problem-
solving approaches, and
diminished overall
effectiveness in each
application area.

21. FUTURE DEVELOPMENT:-
 Effectiveness of this project can be
improved by following this
Recommendation:
 We can make high quality IR Sensor
system.
 We will increase the sensor range for
perfect controlling.

22. THANK YOU..