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with proper block diagram and circuit diagram ....etc

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i like to do my project about bus identification system for vision impaired people plz say any site to search or give any content. ....etc

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can u pls give me more information about this prjct gps based automatic root announcement system. ....etc

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ABSTRACT

LPG gas is supplied in pressurized steel cylinders. As this gas is heavier than air, when it leaks from a cylinder it flows along floor and tends to settle in low spots such as a basement. This can cause fire or suffocation if not dealt with. Here is a circuit that detects the leakage of LPG gas and alerts the user through audio-visual indications.

This LPG Gas Sensor (MQ6), ideal sensor for use to detect the presence of a dangerous Liquefied petroleum gas (LPG) and it has high sensitivity to propane, butane, isobutene, natural ....etc

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Clever Devices Automatic Voice Annunciation (AVA) system automates on-board passenger announcements, which not only keeps your passengers up to date automatically, but also helps create more accessible buses for visually impaired and hearing challenged riders. Automated voice announcements alerting passengers to upcoming stops are coordinated with LED signage on board the bus to help all riders travel with more convenience and independence. The system is fully automated so that bus operators are free to concentrate on driving and other tasks re ....etc

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AUTOMATIC BUS STATION ANNOUNCEMENT SYSTEM
ANTENNA
Message section
3. WORKING EXPLANATION
The above fig shows the complete circuit diagram of automatic bus station announcement system. It consists of a transmitter, receiver (main circuit) and a message section.
Transmitter:
The transmitter circuit transmits the code of each bus from the bus. To generate the code and the address we use an encoder IC HT12E. The encoder has an 8 bit address and 4 bit data lines. Through these bits we can select any code for a bus. The ad ....etc

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Bus identification systam for vision impaired using rfid ....etc

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Abstract

This paper presents a bus detection system using RFID technology that aims to ease the traveling and movement of blind people. The proposed system consists of two detection subsystems; one on the buses and the other on the bus stations, database system and a website. In the bus detection subsystem, the nearby stations will be easily detected and then announced through a voice message inside the bus. Moreover, any existing blind person in the surrounding area of the station will be detected by the bus subsystem to alert the bus driver ....etc

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to get information about the topic bus no announcement and identification for blind people related topic refer the page link bellow

http://seminarsprojects.net/Thread-bus-number-announcement-and-identification-for-blind-people?pid=60353#pid60353 ....etc

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bus identification for blind using rfid

Abstract

This paper presents a bus detection system using RFID technology that aims to ease the traveling and movement of blind people. The proposed system consists of two detection subsystems; one on the buses and the other on the bus stations, database system and a website. In the bus detection subsystem, the nearby stations will be easily detected and then announced through a voice message inside the bus. Moreover, any existing blind person in the surrounding area of the station will be detected by t ....etc

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