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http://www.cba.mit.edu/docs/papers/98.08.PP_wearco...The above is the MIT paper on a shoe micro harvester using a piezoelectric element.
Could you not be more rude! As to how it works and replicating I will help fill in the blanks for you. It's been done before. If you really sought answers you could have googled, You would have found that MiT many years ago did a Darpa project around the shoe piezoelectric generator. Led's do not require much current, and depending on the material you use for the piezo material and the frequency of vibration you can get them to do some interesting things. For instance the pressure input could cause a string/spring to vibrate which is coupled to the piezoelectric stack. One could also connect an acoustic laser (Saser) as the input, like a reed instrument or like a flute, and have that drive the resonance. If you really wish to understand, instead of shooting off ones mouth, then request nicely, and I will write up some material for you. I will not give you complete plug and play, but rather give you enough information, that if you wish to learn you will, and will be able to replicate in many different ways. People who just say no way, without thinking through, just piss me off. It shows an intellectual laziness, however it still beats the people who already think they know everything, and never ask.
More in depth paper describing parameters, modeling, and design.https://dspace.mit.edu/bitstream/handle/1721.1/66839/757753448-MIT.pdf?sequence=2
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