Author Topic: Driving the LED lights with the streamers  (Read 591 times)

Offline donnersm

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Driving the LED lights with the streamers
« on: July 08, 2019, 11:04:00 AM »
I saw some coils one youtube that have some LED lights in the casing that seem to turn on and off along with the sparks. Just wondering how it is done.
I could use a small LC circuit connected to the led and "steal" some of that wireless energy Or I could connected it to the interrupter led.... OR maybe someone has a better idea?

Offline Fumeaux

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Re: Driving the LED lights with the streamers
« Reply #1 on: July 08, 2019, 12:05:54 PM »
It is most likely part of the interrupter/driver curcuit, but the "stealing" could look cool too. Especially as the brightness will vary, depending on the fieldstrength.

It would be enough to have a few loops of wire soldered to either leg of the led. You will need to experiment how big the loops and how many turns light the led brightly, without killing it.

Offline johnf

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Re: Driving the LED lights with the streamers
« Reply #2 on: July 08, 2019, 09:02:20 PM »
If you have a play you should put a fast diode reverse biased across the LED to stop it being killed from reverse voltage

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Re: Driving the LED lights with the streamers
« Reply #2 on: July 08, 2019, 09:02:20 PM »

 


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