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Project by:NEHA SHARMA
MOHIT VERMA
ASHOK SHARMAASHUTOSH KUMAR
KALPANA MEENA
Guided under:Mr.Neeraj Jain
(project guide)
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The main objective of thisproject is used to save power
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Embedded Systems is the evolution or further
development of computing system.
An embedded system is a combination of
computer circuitry and software that is builtinto a product for purposes such as control,
monitoring and communication without human
intervention.
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One of the first recognizably modern embeddedsystems was the Apollo Guidance Computer,developed by Charles Stark Draper at the MIT
Instrumentation Laboratory.
Special microprocessors are used in embeddedsystems to reduce cost for mass production. Thesemicroprocessors have simplified architecture, lowperformance and low cost comparing to general-purpose processors.
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Hard ware equipments:
8051 Micro Controller
Power supply
PIR Sensor
RelayLCD
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Basically used for control actions. Itis used to control the operation of
machine using fixed program that is
stored in ROM/EPROM and that doesnot change over the life time.
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Some of the features that have made
the AT89C52 popular are:
Compatible with MCS-51 Products
Endurance: 1,000 Write/Erase Cycles
8KBytes of In-System Reprogrammable FlashMemory
128 bytes of Internal RAM (128 x 8-bit)
32 Programmable I/O Lines
Two 16-bit Timer/Counters
Five vector two-level interrupt architecture
A full duplex serial port
Three-level Program Memory Lock
Six Interrupt Sources
On-chip oscillator and clock circuitry
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A regulated power supply is the power supply
with rectification, filtering and regulation being
done on the AC mains to get a regulated power
supply for microcontroller and for the otherdevices being interfaced in it.
A power supply can be broken down in to seriesof blocks, each block performs a particular
function.
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A liquid crystal display (LCD) is a flat panel
display, electronic visual display, or video
display that uses the light modulating
properties of liquid crystals (LCs). LCs do not
emit light directly.
They are used in a wide range of applications,
including computer monitors, television,
instrument panels, aircraft cockpit displays,
signage, etc. They are common in consumer
devices such as video players, gaming devices,
clocks, watches, calculators, and telephones.LCDs have replaced cathode ray tube (CRT)
displays in most applications. They are
available in a wider range of screen sizes than
CRT and plasma displays, and since they do
not use phosphors, they cannot suffer image
burn-in. LCDs are, however, susceptible to
image persistence. [1]
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Relays are special switches
designed to allow a small
circuit to control a largercircuit. These devices use a
solenoid to control a heavy-
duty switch. The wiring for the
solenoid may require only 0.5amps to activate, while the
switch it controls carries 10 to
30 amps.
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Connect the control device
to the two solenoid pins of
the relay. Supplying a small
12-volt voltage to these twopins will turn the relay
switch on or off.
Locate the other threepins. These pins are a SPDT
switch.
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The PIR Sensor Switch can detect the Infrared Rays
released by human body.
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The PIR sensor itself hastwo slots in it.
When the sensor is idle,
both slots detect the sameamount of IR.
When a warm body like ahuman or animal passes in
the field vision of sensor,the sensor detects asudden change in infraredenergy then senor isactivated and voltagesignals will be given tomicrocontroller
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They are small, inexpensive, low-power, easy
to use.
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Embedded C is the extension to C. Thedifference between embedded C and C is
The "platform" is where the C compiler runs -- a
laptop running Linux or a desktop runningWindows.
The "target" is where the executable code
generated by the C compiler will run -- the CPU in
the embedded system, often without any
underlying operating system.
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Keil compiler is a software used where the
machine language code is written andcompiled. After compilation, the machine
source code is converted into hex code which is
to be dumped into the microcontroller for
further processing.
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This project is used to reduce your electricity bills
and will further save your electricity cost for the
future. Very easy installation and can be installed by house
technician itself.
No separate wiring is required hence no additional
installation cost.
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Common staircase / Entrance / Basement.
Parking areas / garden lights
Living room, Malls, ATMS
Changing rooms in shops
Offices / Conference Room
Corridors & many more!
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SAVE POWER BALANCE OUR
MOTHER EARTH
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