How to Build a Home-Made Piezoelectric Generator for Under $100?

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SUMMARY

This discussion focuses on constructing a budget-friendly piezoelectric generator for under $100 using common household materials such as aluminum foil, wire, and a silicon swim cap. The original poster aims to integrate this generator into a bike tire to generate electricity while riding. Participants highlight that while piezoelectric generators are found in devices like gas hot water systems, they typically produce high voltage with low current, making them unsuitable for battery charging. Suggestions include exploring piezoelectric materials used in children's shoes and considering alternative solutions like dynamos.

PREREQUISITES
  • Understanding of piezoelectric materials and their applications
  • Basic knowledge of electrical circuits and components
  • Familiarity with DIY electronics and home improvement projects
  • Experience with integrating generators into mechanical systems
NEXT STEPS
  • Research piezoelectric materials and their properties
  • Learn about integrating generators into bicycle systems
  • Explore the functionality of dynamos for energy generation
  • Investigate DIY projects involving piezoelectric generators
USEFUL FOR

This discussion is beneficial for DIY enthusiasts, electrical engineers, and anyone interested in renewable energy solutions, particularly those looking to create low-cost energy generation systems for personal use.

Natko
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With a budget of less than $100, does anyone have an idea on how to make a cheap piezoelectric generator using materials found at home?
(aluminum foil, wire, battery, and a silicon swim cap maybe?)

I plan to modify this generator to then integrate it inside a bike tire so that whenever I ride, I can generate some electricity (for my phone perhaps).
 
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I have always wanted to take apart one of those shoes that children wear that flashes a LED.
Why don't you take one of these shoes apart and let us know what's inside.
 
The skechers kids shoes? There's a battery inside, not quite what the OP is looking for I don't think. ;)
 
There are piezo electric generators in gas hot water systems and gas barbeques, but they generate thousands of volts and give very little current, so they are not going to be much use for battery charging.

They work by hitting a piezoelectric crystal, so you could get less voltage by not hitting it so hard, but you would get less current as well.
 
justsomeguy said:
The skechers kids shoes? There's a battery inside, not quite what the OP is looking for I don't think. ;)

I believe some of those shoe companies use piezoelectric materials. I'll have to look into that.
 

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