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Jonathan_hodgkins's avatar

Trying and failing to build a wireless LED?

Asked by Jonathan_hodgkins (666points) July 31st, 2017

I am attempting to build a Wireless Electricity Transmission Circuit as seen in the following guides:

http://www.instructables.com/id/Wireless-L-E-D/

https://www.youtube.com/watch?v=xUQYMfPac0g&t=102s

But I can’t seem to get it to work.
Have used the following in numerous configurations:

Magnet Wire (24GA)
Bare Copper Wire (24AWG, 0.02” diameter)
Resistor 27K ohms
NPN Transistor BC547
Transistor 2N2222A
LED

What am I missing and what other variables should I be aware of?
How can I get this to work?

Thank you!

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1 Answer

CWOTUS's avatar

I’m no electrical engineer, and most of the items in the Instructable are foreign to me – I know the terms but not “the things” themselves – but I understand some basic concepts.

Have you checked all of your soldering? Have you checked for continuity in all of your circuits? Have you checked the integrity / continuity / “aliveness” of all of your components? Is the battery installed with the correct polarity? (That was one part of the written instruction that I didn’t get at all: which way is “up” for the battery?)

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