Date post: | 16-Apr-2015 |
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Ultrasonic Proximity Detector
Batch-12
Surya Prakash K Ramakotaiah G
09881A04A0 10885A0410
Under Guidance of
Mr. Ramakrishnaiah
Associate professor
Main Objectives:-
• Introduction• Building Blocks• Circuit Design for Implementation• Applications• Future Scope• Advantages
Ultrasonics ?
Building BlocksTransmitter:
Receiver:
Generation of
Ultrasonics
Amplification of signal
Transmission of signal
Reception of signals
Amplification of received
signalsComparator
Alert/Indication/Power on
IC7555
LM324
• Contains 4 high gain op-amps
• Works on single power supply
• Can implement amplifiers, comparators etc.,
Peizo-Ceramic Transducers
• Used for the transmission and reception of ultrasonics
Circuit Design of Transmitter
Circuit Design for Receiver
Installation of Ultrasonic Transducer
Applications
• Security Systems• Vehicle Safety Systems• Presence Detection• Parking Sensors• Automated Drinking Water Tap• Automated Exhibition Stall
Scope of Development
• Echo sounders• Fish Finders• Intelligent wanderer• Assistive systems for Blind