VIBRATION SENSOR TRIGGERED LED DISPLAY BOARD USING PIEZO ELECTRIC TRANSDUCER
Author(s):
P. Sai Chandra Mouli, Dr. D. Vijayakumar, P. Manoj Kumar, R. Sai Kumar, S. Suresh
Keywords:
Abstract
Piezoelectricity is going to create more energy for the world than any other renewable resource. It takes pressure upon crystals and creates energy. No other resource can be fully sustained simply putting crystals within our own structures. This energy source will be fundamental to the world one day going completely green and supplying our energy by our own movements. In this project with the application of Piezo electricity, the vibrations generated by our foot pressure while walking were used to generate small amount of Piezoelectricity by means of a piezoelectric transducer or crystal. Thus produced small amount of Piezoelectricity is amplified using an Op-Amp based non-inverting amplifier and that amplified voltage is compared with the 5V D.C supply which are combinedly given to Op-Amp based comparator. That differential output is given to the Arduino UNO. The Arduino is programmed in such a way that whenever the differential output is received by 8th pin of Arduino, then it should transmit a signal through HC-05 master Bluetooth module. That signal was received by the slave HC-05 Bluetooth module and given to the receiver side Arduino which was connected with the LED display board. The receiver side Arduino is programmed to scroll the text only when it receives the signal from the transmitter.
Article Details
Unique Paper ID: 147964

Publication Volume & Issue: Volume 5, Issue 11

Page(s): 542 - 546
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Last Date 25 September 2019


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