electronics project ppt

1. ELECTRONICS MICROPROJECT
Group
D Name of Student
46. Krushna Demse
. Prem Rajput
Topic :- Rain Detector Alarm
1
Sarswati Education Society’s
Deolali High School , Deolali Camp
Guided By:- Asmita Bhosle Mam

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A Rain Alarm is a Basically
a device which gives an
alarm when the sensor is in
the contact with water.
Introducton:

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The air flow detector circuit
can give a visual indication
of the rate of air flow. It can
be also used to check
whether there is air flow in
a given space.
Air Flow Detector

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BLOCK DAIGRAM

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FOR OUR PROJECT…. AT
FIRST WE MADE OUR DUAL
POWER SUPPLY…

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THE COMPONENTS REQUIRED
FOR THE POWER SUPPLY:
Components Specifications Quantity
Transformer
Voltage Regulator
LED
Diode
Capacitor
Resistor
Bridge Rectifier
24v(p-p)
7812,7912
-
1N4007
2200µF/35V
10µF/25V
470Ω,1/2 W,5%
-
1
1 EACH
2
2
4
2
1

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AFTER MAKING THE POWER
SUPPLY WE GIVE THE REGULATED
VOLTAGE SUPPLY OF +12V TO BOTH
THE CIRCUIT..

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Circuit Diagram of
Rain Alarm

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1. Power supply of 12
volts.
2. 555 multi vibrator.
3. Resistors of 10K,56 K.
4. Capacitor of
.01µF,1µF/15V.
COMPONENTS REQUIRED
FOR RAIN ALARM:

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CIRCUIT DIAGRAM OF
AIR FLOW DETECTOR:

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1. Power supply of (10-12) V.
2. 100 Ohm,470 Ohm ,100 k,1k
Resistor.
3. IC LM339, LM7805.
4. 47uF Electrolytic Capacitor.
5. LED.
6. Bulb Filament.
THE COMPONENTS REQUIRED
FOR THE POWER SUPPLY:

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AFTER CONNECTING THE CIRCUIT,WE GET THE
RESULTS AS..

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1. Rain Alarm can indicate the
level of fluid in a container or
simply the presence of fluid
depending on the way the
circuit is used.
2. Air flow detector is use in the
ship, to check the air flow in
APPLICATIONS:

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The Rain Detector Alarm project is a cost-effective
and practical application of electronics. By utilizing
rain sensors and alarm systems, it offers a simple
yet effective solution for detecting rain and
providing timely alerts. The project's significance
lies in its potential applications for safeguarding
electronic equipment, alerting individuals to
inclement weather, and contributing to the broader
field of smart and responsive systems. Overall, it
highlights the versatility of electronics in
Conclusion:

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