How to Make Wireless Transmission of Electricity/Joule Thief

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:

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See also:

How to mount/attach transistor to heatsink (2N3055/TO-3 package)

Make a Joule Thief for Zombie Batteries

How to Make Joule Thief Light a CFL - Jeanna's Light

Pyramid Hologram - How to Make/How it Works with Princess Leia Hologram

Inspired by slider2732:
and MongrelShark:

Follow behind-the-scenes on:




Music used throughout:
Bicycle Kevin MacLeod (
Licensed under Creative Commons: By Attribution 3.0
ISRC: USUAN1100870
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