I am doing a project in which i have to count the no.of. vehicles passing a signal in a particular lane. Which type of sensors can be used to count the vehicles..? If ir sensors can be used,is it possible to design ir transmitters and receivers in the range of 40 to 50 meters or more..? or Are they readily available in the market..? ....etc

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To get full information or details of laser torch based voice transmitter and receiver please have a look on the pages

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To get full information or details of laser torch based voice transmitter and receiver please have a look on the pages

http://seminarsprojects.net/Thread-laser-torch-based-voice-transmitter-and-receiver-ppt-download

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abtract for a railway anti collision system with phis plate removal sensing and auto track changing

A Railway Anticollision System with Phis Plate Removal Sensing and Auto Track Changing

1) if two train approches each other both should stop
2) If one train is behind another, front trains speed should increase, approching trains speed decreases
3) If they are far away , nothing should happen
4) If there is a probability of accident, and if alternative line is avilable, it must take that path.
5) If a Phis Plate is removed ahead of a train, the ....etc

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please have a look to http://fullreportt-unconventional-machining-process-by-senthil-free-download for unconventional machinining process details ....etc

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LASER TORCH BASED VOICE TRANSMITTER AND RECEIVER
Using this circuit you can communicate with your neighbors wirelessly. Instead of RF signals, light from a laser torch is used as the carrier in the circuit. The laser torch can transmit light up to a distance of about 500 meters. The phototransistor of the receiver must be accurately oriented towards the laser beam from the torch. If there is any obstruction in the path of the laser beam, no sound will be heard from the receiver. The transmitter circuit (Fig. 1) comprises c ....etc

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Laser Transmitter Plus Receiver

Transmitter is a laser tube connected to high voltage supply.The message to be transmitted is supplied to Audio in side with resistance of the coil 8ohm.The other side coil has resistance 2000ohm. When audio signal is given to the coil it modulates the high voltage supply and lazer tube will emit laser light in proportional to the sound signal .

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To get full information or details of vega kit ir transmitter and receiver pdf please have a look on the pages

http://slidesharemvabhi/vega-kit-list

if you again feel trouble on vega kit ir transmitter and receiver pdf please reply in that page and ask specific fields in vega kit ir transmitter and receiver pdf ....etc

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sir, i am b.tech (e.c.e) student. i need this project .. so please give me full detail information data. ....etc

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to get information about the topic lazer torch based voice trasmiter and receiver full report ,ppt and related topic please refer page link bellow

http://seminarsprojects.net/Thread-laser-torch-based-voice-transmitter-and-receiver-full-report

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