ninja.lion Messages 13 Reaction score 0 Thread starter Jan 9, 2013 #1 can small piezoelectric disks 3.7x3.7 cm inside a tube with a buzzer at the other end be able to power an LED
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 Mentor Insights Author Messages 15,819 Reaction score 10,709 Jan 9, 2013 #2 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.
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.