Aim
To produce electricity when pressure is applied
Piezoelectric materials work on the basic phenomenon of conversion of structural vibrations onto electric outputs.
Introduction
The word piezoelectricity means electricity resulting from pressure.
Materials required
Cardboard, glue, scissors, chart papers, LED, wires, piezo crystals, diodes, small capacitor, toy car
Procedure
1) Piezoelectric plates are connected with wire.
One wire for positive and one for negative. Put the wires in breadboard.
2) connect a diode to a breadboard that converts the AC current to DC.
3) The bulb is also connected to piezo plates via the breadboard.
4) When pressure is applied on the piezo plates, the bulb glows.
(You get peizo plates online)
(You can do you own road model)
Advantages
1) Unaffected by external electromagnetic fields.
2) Pollution free.
3) Low maintenance.
4) Easy replacement of equipment.
Conclusion
• Piezoelectricity is a revolutionary source for 'Green Energy'.
• Flexible piezoelectric materials are attractive for power harvesting applications because of their ability to withstand large amount of strain.
• Convert the ambient vibration energy surrounding them into electrical energy.
• Piezoelectrical energy can then be used to power other devices or store for later use.
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