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vensoft technologies safety of valuable items using zigbee and mems sensor
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Transcript of vensoft technologies safety of valuable items using zigbee and mems sensor
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VENSOFT Technologies www.ieeedeveloperslabs.in Email: [email protected] Contact: 9448847874
VENSOFT Technologies www.ieeedeveloperslabs.in Email: [email protected] Contact: 9448847874
SAFETY OF VALUABLE ITEMS USING ZIGBEE ANDMEMS SENSOR
ABSTRACT:
The main objective of this project is to develop an embedded system based anti
theft alarm based on MEMS sensor and zigbee technology. This project is implemented
on an avr based Atmega16 developed board interfaced with MEMS, Buzzer and LCD for
display purpose. Micro electromechanical systems (MEMS) is the technology of the very
small, and merges at the nano-scale into nano- electromechanical systems (NEMS) and
nanotechnology.
MEMS are also referred to as micro-machines or Micro Systems Technology -
MST. MEMS are made up of components between 1 to 100 micrometers in size and
MEMS devices generally range in size from 20 micrometers to a millimeter. They usually
consist of a central unit that processes data, the microprocessor and several components
that interact with the outside such as micro sensors. Due to MEMS large surface area to
volume ratio, surface effects such as electrostatics and wetting dominate volume effects
such as inertia or thermal mass.
This property is used to detect any motion or change in acceleration due to gravity
or simply called G force. The system needs to be secured and at the same time, should be
protective for valuable items such that no body can try to theft our valuable items. The
present project deals with designing an activation system for the protection of valuable
items by checking the change in G force. If motion or change is detected the protection
system is activated. The system uses a compact circuitry build around flash version of
amega16 micro controller with a non volatile memory Programs are developed
andcompiled using avr studoi4 tool. Isp is used to dump the code into micro controller.
This project uses regulated 5v, 750ma power supply. 7805 three terminal voltageregulator is used for voltage regulation. Bridge type full wave rectifier is used to rectifythe ac output of secondary of 230/18v step down transformer.
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VENSOFT Technologies www.ieeedeveloperslabs.in Email: [email protected] Contact: 9448847874
VENSOFT Technologies www.ieeedeveloperslabs.in Email: [email protected] Contact: 9448847874
BLOCK DIAGRAM: TRANSMITTER
POWER SUPPLY:
MICROCONTROLLER
LCD DISPLAYMEMS
SENSOR
ZIGBEE
MAX232
ALARAM
STEPDOWN
T/F
RECTIFIER FILTER VOLTAGEREGULATOR
ADC
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VENSOFT Technologies www.ieeedeveloperslabs.in Email: [email protected] Contact: 9448847874
VENSOFT Technologies www.ieeedeveloperslabs.in Email: [email protected] Contact: 9448847874
BLOCK DIAGRAME: RECEIVER
PC MAX232 ZIGBEE
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VENSOFT Technologies www.ieeedeveloperslabs.in Email: [email protected] Contact: 9448847874
VENSOFT Technologies www.ieeedeveloperslabs.in Email: [email protected] Contact: 9448847874
SOFTWARE:
EMBEDDED ‘C’
RIDE TO WRITE CODE
ISP TO BURN THE CHIP
KEIL COMPILER.
HARDWARE:
Atmel BASED OUR OWN DEVELOPED BOARD
POWER SUPPLY
MEMS SENSOR
ADC
LCD DISPLAY
BUZZER
MAX 232
ZIGBEE PROTOCAL
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VENSOFT Technologies www.ieeedeveloperslabs.in Email: [email protected] Contact: 9448847874
VENSOFT Technologies www.ieeedeveloperslabs.in Email: [email protected] Contact: 9448847874
ADVANTAGES:
Safe and secure Easy to use We can communicate base station up to 100 meters.
APPLICATIONS:
Apartments Industries& companies Security places
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VENSOFT Technologies www.ieeedeveloperslabs.in Email: [email protected] Contact: 9448847874
VENSOFT Technologies www.ieeedeveloperslabs.in Email: [email protected] Contact: 9448847874