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