How to make wireless transmission of electricity based on the joule thief circuit for lighting LEDs and a piezo buzzer. Shows step-by-step how to make the transmission coils, the joule thief circuit, a bit about transistors, and making the receiving coils, along with some demonstrations.

For the spreadsheet for calculating coil dimensions, go to:
http://rimstar.org/science_ele....ctronics_projects/wi

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See also:

How to mount/attach transistor to heatsink (2N3055/TO-3 package)
http://youtu.be/hNRacVQRgBc

Make a Joule Thief for Zombie Batteries
https://www.youtube.com/watch?v=B61DU7yEsPM

How to Make Joule Thief Light a CFL - Jeanna's Light
https://www.youtube.com/watch?v=FkLET8MhRbU

Pyramid Hologram - How to Make/How it Works with Princess Leia Hologram
https://www.youtube.com/watch?v=UFhhIOaGW7U

Inspired by slider2732:
https://www.youtube.com/channe....l/UCFqtTvDJtJRQFdRxw
and MongrelShark:
https://www.youtube.com/channe....l/UCVdIg6jPSgEJqOh6-

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Music used throughout:
Bicycle Kevin MacLeod (incompetech.com)
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