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  #1  
Old 10-30-2016, 05:58 PM
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Johnny Aum Oscillator Led Light Circuit

Hi all, as some may know, i like lights, so i have been testing this oscillator circuit and it seems quite efficient.
Your thoughts welcome.
peace love light

Edit: fixed led diode orientation in circuit drawing



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Last edited by SkyWatcher; 10-31-2016 at 02:39 AM.
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  #2  
Old 10-31-2016, 04:55 PM
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Updated circuit

Hi all, i updated the circuit, it is now using a Cree XB-D 1 watt led taken from a flashlight.
I also powered the led while it was in the flashlight and it appears at least 50% or more of normal brightness, which is very nice to me.
This means we could have at least 100 hours of this good light output using a couple 2000mah nimh cells.
My next step, is to use a ferrite TV flyback core and use more 30awg. bifilar turns and see how the light output is and the input.
Your comments are appreciated.
peace love light



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Old 11-03-2016, 05:54 AM
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Hi all, i decided to try and get a little more practical lighting level, so i am now using a 6 watt led bulb, a non-dimmable kind.
I am also using a little bigger NPN transistor, including the same PNP from previously and a different capacitor and a different resistance value with potentiometer for initial tuning.
Also am now using 3 AA nimh cells in series as input.
I am getting some very nice light output, in fact, when i look at the led bulb, it burns into my eyes a bit and the illumination in the room proves that.
And all that, for only 3.99 volts at .041 amps or 164 milliwatts.
I am rather impressed by this setup at the moment.
I will post the updated circuit and a picture tomorrow when i get a chance.
All comments are welcome.
peace love light
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Old 11-03-2016, 06:10 PM
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Hi all, here is the new circuit drawing.
The light output is very practical and another interesting thing is, the toroid makes a hissing or screeching sound as it oscillates, at the tuning setting it is at.
peace love light

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Old 11-04-2016, 03:01 AM
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Hi all, here is a pic of the 6 watt led bulb being lighted.
I raised the input a bit more, to 246 milliwatts, so a 1/4 watt.
peace love light

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Old 11-04-2016, 04:55 AM
Wistiti Wistiti is offline
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Again, really nice work sky!
I have played with Jhonny Aum in the past (but not this one...) and also have interesting results. This guys rocks!!!
Can you please point me to the original circuit from Jhonny?
The only time i eard a "isssshhhh" sound in my experiment it is when i use a reedswitch for triging a transistor.

I may try these one when have some time.

Just whant let you know i appreciate your sharing!

Take care!
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Last edited by Wistiti; 11-04-2016 at 05:05 AM.
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  #7  
Old 11-04-2016, 06:14 AM
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Hi wistiti, thanks for reply.
I have not found an original circuit drawing, only a video from his youtube channel.
I took a still shot from the video.
peace love light

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Old 11-04-2016, 08:42 PM
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Hi all, Hi wistiti, i should remind you, one of the bifilar strand coil ends, connects to the beginning of the other strand, in true, non-bucking bifilar fashion.
Also, johnny aum claims this oscillator has healing properties, somehow.
Also, that the light from led's is whiter than normal, though that difference may be due to frequency.
I tried a different bulb, a feit, 3.6 watt, gutted, non-dimmable, filament type led bulb.
It is brighter and using 222 milliwatts.
Also, johnny aum claims there is some back charging of the input batteries with this circuit, or if not actually charging the cells, making up for some losses and extending run time and also the cells can be rejuvenated to some degree with this circuit.
peace love light
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Last edited by SkyWatcher; 11-04-2016 at 09:30 PM.
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  #9  
Old 11-05-2016, 12:57 AM
Wistiti Wistiti is offline
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Hi Sky!
Have you do a long run test with this circuit? Does it really drain down the batt??
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Old 11-05-2016, 02:28 AM
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Hi wistiti, i will be doing that soon.
I have just been setting up the circuit components for the best output for a given input so far.
I think i have the best combinations for the moment.
I have a good charger, that can charge many different kinds of cells and it has a nice digital readout, showing the mah put into the batteries.
So i can time the discharge and know how much was used and then when i recharge the batteries and they peak, i can compare the numbers.
peace love light
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Old 11-05-2016, 04:32 AM
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Hi all, here is a pic of the circuit running with 3 gutted led filament type bulbs.
I topped off the 3 AA nimh cells, so input is now 4.19 volts at 56 milliamps or 235 milliwatts.
The light output is very good, for this amount of input if you ask me and i've built many oscillators.
peace love light

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Old 11-06-2016, 01:59 AM
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Hi all, ok, so i have settled on a parts combination after making a better visual check of light output, with led bulb mounted on ceiling joist.
It seems the 6 watt, non-modified, ecosmart led bulb is the winner so far.
Input is 218 milliwatts and i am now using a 12 volt tractor battery at 12.71 volts and 17.2 milliamps.
I changed the capacitor to a 331 pF and a 370 Kohm resistor.
Light output is very good, certainly more light output than 218 milliwatts worth of light.
Though, in regard to an experiment, it would be more difficult to know what was put back into the lead acid battery and taken from it, so i will be using the 3 AA nimh for duration tests.
I'll report data as i collect it.
peace love light
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Old 11-10-2016, 08:04 PM
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Hi all, I decided to try something with this dual transistor oscillator from johnny aum.
I am testing it in a split positive setup, using the 3 battery format, with 12 volt tractor batteries.
I am getting some interesting effects so far.
All the sudden, while i let the charge battery go higher, past 12.85 volts, i checked the series batteries and they were rising above the resting voltage i measured this morning, after all 3 batteries rested overnight.
Then i just checked again, while the system is running and i notice the charge battery lowered again to 12.85 volts and is now climbing again and reading 12.87 volts, then i checked series batteries again and yet again, they are climbing higher than the morning resting voltage.
This reminds me of the behaviour turion was talking about, where his motor would go and then it would stop, then go.
Your replies are greatly appreciated.
I will continue to observe this.
peace love light
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Old 11-11-2016, 01:55 PM
Wistiti Wistiti is offline
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Hi Sky!
Good idea to try it on the 3bgs setup! I think we should use the 3bgs almost everywere we need input power...

Are you saing you see a gain on all of the 3 battery? If so it is a great news!!!

Thank you for your sharing!
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Old 11-11-2016, 04:31 PM
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Hi wistiti, thanks for reply, i was seeing what appeared to be a charging effect on the series batteries, though it didn't last long and returned to normal operation.
Maybe the circuit hit a frequency at a certain voltage that caused it.
I know johnny aum said this circuit can charge the input batteries to a certain degree.
Every little observation matters i think, which is why i shared it.
Even still, this circuit is very useful, with or without 3 battery.
Using 12 volt input, only drawing just below a 1/4 watt, 6 watt led bulb gives off enough light for many practical purposes and with the tractor battery, should run for at least 600 or more hours.
Like i said, i've built many oscillators and this one is very good at getting an led bulb to put out decent light at low inputs.
peace love light
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Old 11-11-2016, 04:54 PM
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Skywatcher - that's impressive.

Just a question on what "gutted LED filament" bulb is? Is that the LED bulbs that look like a tungsten filament bulb but are actually LED? If so what was done to make them 'gutted' ?
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Old 11-11-2016, 08:48 PM
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Hi ewizard, actually, with this circuit, i am seeing more light from the non-modified 6 watt ecosmart led bulb.
Though yes, the gutted led filament looks like a tugsten filament, but for some reason, the non-modified regular led bulb is throwing more light out.
peace love light
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Old 11-13-2016, 05:07 AM
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Hi all, i picked up a pack of ikea, 5.5 watt led bulbs today, it didn't perform well with the circuitry inside, so i bypassed it and removed the diffuser, it has 3 led dies inside and it really pumps out the light.
With 255 milliwatt input, the bulb is mounted high up at the ceiling and is blinding.
Camera is saturated, so it is hard to see how well it lights up the area.
peace love light

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Old 11-21-2016, 03:26 AM
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Hi all, so i have been testing different modified led bulbs and am having good results with a 2.8 watt ikea led bulb, with circuitry removed.
This bulb is rated at 200 lumens and my input with the johnny aum circuit is 258 milliwatts, with the 12 volt tractor battery or just over a 1/4 watt input.
What is interesting, is that if we calculate that input, that is 9.2% of full input power and the led bulb at that input, should only be outputting around 18.4 lumens.
I will tell you this, this light is outputting way more than that, at least 100 lumens or more for sure, i am blinded by the led's in all angles viewing them.
I also built a flashlight, using the same 2.8 watt ikea led bulb, modified and it runs off of 3 AA nimh cells in series and really cranks out the light in all directions, using 350 milliwatts, though the 12 volt, 258 milliwatt home light version, is just as bright in my opinion.
The 12 volt, home light version, has slightly different circuit, i had to add a 90 ohm resistance on the line between the capacitor and NPN collector, to reduce the input and output to what i desired.
Here's a couple pics, the first one at the ceiling, is much brighter, but the camera closed off the iris for protection i guess.
The second pic, is the flashlight.
Any questions or comments are welcome.
peace love light



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Last edited by SkyWatcher; 11-21-2016 at 03:32 AM.
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  #20  
Old 11-21-2016, 07:57 PM
Wistiti Wistiti is offline
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Nice work Sky!!
Have you try this other circuit of Jhonny Aum see in the pjkbook??
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File Type: png image.png (199.7 KB, 36 views)
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Old 11-22-2016, 03:20 AM
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Hi wistiti, thanks for the reply.
Have not tried that particular circuit, though the meissner oscillator variant i built is similar.
Though will try the one you posted also, though i don't think that circuit is intended for high light output, like the one being tested now is, with the pnp-npn transistor combo.
Here is the updated circuit for the 12 volt home light in testing now.
peace love light

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Old 11-24-2016, 04:31 AM
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Hi all, i deleted last 2 messages, because i just realized that apparently, at least this particular 2.8 watt ikea bulb is using 12 volt led's inside.
It must also use a step down transformer circuit inside the bulb, of course that is removed, so that explains why the oscillator was not reacting to the ferrite core being removed.
peace love light
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Old 11-30-2016, 10:04 PM
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Johnny Aum Night Light

Hi all, here is a very efficient night light, using johnny aums oscillator with the 2.8 watt, ikea led bulb with circuitry removed, it has 12 volt leds inside.
It uses 3 lithium ion cells in parallel, taken from laptop, they are 4 volt cells.
If they are 2 amp hour cells, this night light should run at least 200 hours.
Input is 109 milliwatts or 4 volts at 27 milliamps.
peace love light





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Old 12-01-2016, 12:08 AM
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Magnet spinner

@SkyWatcher,

Very nice build. It occured to me that the circuit and coil should be able to power a magnet rotor too. Skycollection manages both with a nearly identical circuit and ferrite core bifilar spiral.
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Old 12-01-2016, 01:36 AM
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Hi allen, thanks for the reply.
Yes, skycollection does some great work.
I haven't got into the spiral coils much, it would probably take some practice, just to make a decent coil and with the ferrite included, would make it quite the challenge.
Though i bet it would make this setup even more efficient, no doubt.
peace love light
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Old 12-01-2016, 03:53 AM
Wistiti Wistiti is offline
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Hey Sky really nice work as usual!
It seems to output a real great amount of light!!! It is impressive for the input power... For sure i will give it a try when the time permit.
Does this transistor combination are the best you have found? I don't have these specific one under hand...

Thanks again for sharing your work
Take care!
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Old 12-01-2016, 04:28 AM
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Hi wistiti, thanks for the kind words.
It does output a good amount of light for 109 milliwatts, for sure.
The bathroom shown in the picture, one can use the mirror or do most of the normal things one would need to do, even better if it's mounted on ceiling or on wall.
I am using small transistors that i have salvaged from circuit boards, i'm using the PN4248, because i accidentally shorted the previous pnp transistor and it went poof.
Though most combinations will probably work well, i take some time to tune and tweak the circuit, to get best light output for lowest input, changing capacitor value, changing resistor value and sometimes, removing coil windings, if the frequency is too low.
I used 24awg. wire, because i wanted to keep the frequency higher, yet keep the input lower, which is why i used 4 layers.
I also used nylon zip ties, to clamp the c-cores tightly together.
I would imagine, a large enough ferrite toroid, may work just as well.
peace love light
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Old 12-02-2016, 04:13 AM
Wistiti Wistiti is offline
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Ok. Thanks for the info!
I Will try with what i already have under hand...
Just for Curiosity, does is have a rigning sound.?
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Old 12-02-2016, 06:55 AM
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Hi wistiti, no, it has no audible sound that i can hear.
Though, if i had used 4 layers of 30awg. wire, i'm sure the frequency would have been much lower and there would be ringing sound.
Changing capacitor and resistor values can only do so much, after that, either removing some windings or using a little thicker wire will push the frequency up higher, so it's not annoying.
peace love light
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Old 12-02-2016, 10:49 PM
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Hi all, Hi wistiti, just so you know, tuning this oscillator will take some patience and much tweaking probably, unless you get lucky and hit upon a good combination of parts.
Though you'll probably still have to tweak the capacitor and resistor to the input and light output you desire.
I'm making another oscillator and using a slightly smaller TV ferrite flyback core with 2 layers of 30awg. magnet wire, with BD135 NPN transistor and 2N2907 PNP transistor.
Though i am using a gutted 3 watt ikea led bulb, the led's inside this led bulb are 110 volt type.
I am getting about half the brightness so far at 120 milliwatts, compared to the night light.
And i have been tweaking the circuit for an hour.
The BD135 NPN transistor has far different specifications than the previous MJE13003 NPN transistor.
The MJE13003 is a high voltage type and meant for fast switching of inductive loads.
So that could be the cause of the difference or i need to add another layer of 30awg. wire.
I will try also 24 awg. wire again, 4 layers again and i can always remove some if needed.
It is also possible, the circuit parts prefer a lower input voltage for efficiency, compared to the 12 volt input i am testing.
I will keep trying though.
Just thought this information might be helpful to you.
peace love light

Edit: ok, a TIP3055 NPN and either a 2N2907 or PN4248 is working almost as well as the night light at the 12 volt input, so far, more tweaking to go.
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Last edited by SkyWatcher; 12-02-2016 at 11:22 PM.
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