the uses of piezoelectric disks

ninja.lion

can small piezoelectric disks 3.7x3.7 cm inside a tube with a buzzer at the other end be able to power an LED

jedishrfu

Here's some discussion on piezo-electricty that discusses usages:

http://en.wikipedia.org/wiki/Piezoelectricity

One such usage was to harvest the electricity of walking with special military boots to get back 1 to 2 watts of electricity but the boots were too uncomfortable to wear.

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ninja.lion	the uses of piezoelectric disks Tweet can small piezoelectric disks 3.7x3.7 cm inside a tube with a buzzer at the other end be able to power an LED

jedishrfu	Here's some discussion on piezo-electricty that discusses usages: http://en.wikipedia.org/wiki/Piezoelectricity One such usage was to harvest the electricity of walking with special military boots to get back 1 to 2 watts of electricity but the boots were too uncomfortable to wear.