Big Joule Theif

[blackchisel97]

bypass cap

Terminal (5) of 555 is an input of internal comparator, which can be used as control voltage. If the pin is not used, it should be bypassed to the ground (1), with a capacitor of about 0.01uF (10nF) for immunity to noise.


Vtech

[blackchisel97]

I hope you don't mind

Hi Ash.

I hope you don't mind me "cleaning" your schematics a bit I removed unnecessary "dots" and put missing ones in place. There are two caps, marked at pF range, which I believe was a mistake. I put (what I believe) correct values.





Vtech

[Inquorate]

How to hook it up

Thank you Inquorate,



This, but in the opposite direction is my overall aim at the moment. [= With a given frequency, how do I make the right inductor, or inductor/capacitor choice for best output.]
I am too new to electronics to be able to see the application, but I could try something like this, if I could understand how to use and where to connect it to my circuit.

I have purchased a LC meter so at least I know what the inductance is when I make, or use a coil.

Your drawing reminds me of a crystal radio.
I do have one of those, and since there are NO AM radio stations near me, I can use it without interference from them, but again, I do not know how to hook it up to my circuit.

thank you,

jeanna

Just attach the aerial to a metal plate and put the plate near the circuit

Pronine Electronics Design - LC Resonance Calculator
Pronine Electronics Design - Single-Layer Air Coil Calculator

Online calculators are great if you're as bad at math as me

[ashtweth]

Hi Ash.

I hope you don't mind me "cleaning" your schematics a bit I removed unnecessary "dots" and put missing ones in place. There are two caps, marked at pF range, which I believe was a mistake. I put (what I believe) correct values.





Vtech

Vtech thanks a lot man , do you have a better quality version? if so ill upload it into the document with your credits my friend thanks for doing this, please send to ashtweth@gmail.com

[jeanna]

Hello all.
I have added a 2nd coil to the circuit.have gotten some good results sofar....
.....If anyone is interested I'll draw a diagram of this with part numbers.Tec

Nice job tec!

I think you will find that you can add a lot more leds even than that. With that toroid maybe even a neon which would prove 100volts.

I have been discovering that when you have a pulse in the line ( which you do because of the basic joule thief) that you can keep adding more and more lights by adding more inductors in series with the pulses.

Keep trying to add to this.
My latest result is 30 leds in series in 5 different output circuits all using the same pulses from one basic joule thief.
I think this is very important.
I am glad to see you (someone else beyond me) is doing something like this!

If you can add a schematic, it would be fun to compare mine with what you are doing.

thank you,

jeanna

[blackchisel97]

Vtech thanks a lot man , do you have a better quality version? if so ill upload it into the document with your credits my friend thanks for doing this, please send to ashtweth@gmail.com

I just mailed to you


Vtech

[morpher44]

towards self powering...

The Joule Thief is ALMOST self running and the battery can
possibly be removed and replaced by power pulled from
the VLF and AM radio spectrum ... and air coils are the
way to go for that ... with high Q.

I think it would be most impressive to make a Joule Thief that
runs on NO batteries.

As part of my Hendershot investigations, I've come
across the "Utilities Engine" described in appendix B
of Barry Hilton's book
"Secrets of Perpetual Power, Hendershot Mystery"
Secrets of Perpetual Power - Hendershot Mystery by Barry Hilton
I wound a coil that is similar to that circuit.
Tonight I had the interesting idea of hooking this
air coil to a Joule Thief.

The cylinder has 3 sections D1, D2 and D3.
D1 is the center coil and D2 and D3 are above and
below it.
The Joule thief is connected to D2 and D3
leaving the center coil *unused*.

This Utilities Engine article claims that the RF
received from the circuit presented can power
a specially constructed motor.
When the motor gets going, the EMF it produces
feeds back into the receiver ... providing
regenerative feedback.

It seems to me, that if this could be done way back
in the 1950s or so ... certainly
we can self-power a Joule Thief using a similar approach.

Passing this along in case others want to experiment
with Joule Thief's with Air-Coils!!!

[Vortex]

I post to remind people ...
If you notice human touching around the circuit effects the
brightness of the LEDs, or turns them off/on, then an earth ground
in the right location could greatly boost voltage if you have a need for that.
Simple mass grounding will have effect as well to a lesser degree.

[jeanna]

I just deleted a big complicated reply, to you tec, but to stay present here...

How much voltage is in that cap C1?
If you use a bridge and a camera cap you can collect it and see what is oscillating up there at that secondary.

After that and after removing the bridge again, I am wondering how much you can do with your separate circuits.

I removed my second transistor once and I found that nothing had changed, so I stopped trying to use a second transistor and made my experiments to see what just one source of pulses could do. And the answer is a lot.

My suspicion is that it is the second toroid and not the second transistor that is expanding your circuit. And, you have made a repeater tank circuit in the first toroid coil and that is why when you remove the second one, things get weaker.

But, you should be able to use either toroid or both of them as 'transformer- inductors' to light a bunch of leds, so, I would like to hear more.

thank you,

jeanna

[jeanna]

...


The Joule thief is connected to D2 and D3
leaving the center coil *unused*.

Nice, morpher44,

How is the joule thief connected to D2 and D3?

This Utilities Engine article claims that the RF
received from the circuit presented can power
a specially constructed motor.
When the motor gets going, the EMF it produces
feeds back into the receiver ... providing
regenerative feedback.

I wonder about the characteristics of this motor... bedini perhaps?

... certainly
we can self-power a Joule Thief using a similar approach.

Am I mistaken?
Didn't lidmotor do this with his new (like a jtc) circuit and saturn magnets?
If a certain joule thief only uses 1.2v and 10mA or so and produces 90volts, I am sure it is possible.

Thank you,

jeanna

[jeanna]

Hi Jeanna.
I see what you mean and checked it is working like a tank circuit.I have completely redone the circuit wound another coil,and got it hooked up sofar the voltage has went from 1.18 volts to 1.37 on a single battery.I dont know for sure how...

...why its charging the battery???.I am afraid to leave it running tonight has the battery is not a rechargable one.
Thanks for the help. Tec

Well I don't know, but it sure looks good.
Do not take that apart until you have drawn it from all directions.

Recharging is not something I have focused on. I have just made my first success with a bedini tonight so I haven't a clue... yet.


good going

jeanna

[morpher44]

air-coil JT

How is the joule thief connected to D2 and D3?
...
I wonder about the characteristics of this motor... bedini perhaps?
...
Am I mistaken?
Didn't lidmotor do this with his new (like a jtc) circuit and saturn magnets?
If a certain joule thief only uses 1.2v and 10mA or so and produces 90volts, I am sure it is possible.

@jeanna

So there are three coils on a common cylinder. I have a 1.75 inch
diameter .... If you face the cylinder with either end left and right,
then the left most wire of the left most coil corresponds to the
dot on one transformer. The left most wire on the right coil
corresponds to a dot on the other side of the transformer in
the circuit schematic. In other
words, preserve the phase relationships ... the wires on the same
side of the coil are the same phase ...
The Joule Thief SWAPS these phases ... see the dots on the
circuit.

Anyway, I'm interested in this regenerative oscillation --
180 degree phase shift stuff.

In searching for various oscillator circuits, I found one whereby
there are 3 RC circuits, each to produce a 60 degree phase shift
so that the sum total phase shift would be 180 degrees ...
JUST to cause the waveforms to be regenerative.
The Joule Thief does this simply by inverting the signals
on the transformer... giving 90 degree shift ... then run
through a transistor .. giving other 90 degree shift.

I see that the Joule Thief circuit is just an ARMSTRONG
oscillator with some simplifications.
See attached figure of classic Armstrong oscillator.

re: United Devices motor
The motor in that article is interesting.
It has a strong ALINCO magnet encased in two
IRON structures that don't touch ... but form
a hole for the armature to spin in ... one side being
NORTH from the magnet ... and one side being SOUTH.
The coil for the armature is wound around a cardboard
SQUARE shaped structure. It is not wound the traditional
way found in a motor .. .but rather its wound more like
you would find in a analog voltmeter ... or ammeter.
There is a diagram.
I imagine this sort of motor as being very sensitive
and that it will spin with very low voltage and low current ..
with the MAGNET being very strong.
In other words, very subtle energies picked up from RF
can make it spin.
Once it gets going, however, it produces its own
local fields that can feedback in to the receiver.
If it can be setup to feedback EXACTLY 180 degrees
from the incoming waveform ... it could possibly
SPIN up faster and faster to some equilibrium.
The trick here would be to make a very sensitive motor like that
and to make a sensitive RF receiver with full-wave rectification
to produce DC to spin the motor.

re: lidmotor
I don't think Lidmotor has his thing self-powered.
His little maggie light is just inductively picking up energy from
his other "powered" Bedini magnet-circuit.
Please correct me if I'm wrong.

[morpher44]

armstrong oscillator

oops, here is the armstrong oscillator -- very similar to Joule Thief.

[blackchisel97]

Tectalabyss, your body represents inductance, capacitance and resistance. There is also potential present on your skin. I think you're coupling with circuit changing it's parameters.


Vtech

[morpher44]

coupling...

Tectalabyss, your body represents inductance, capacitance and resistance. There is also potential present on your skin. I think you're coupling with circuit changing it's parameters.

Vtech

Yeah... Its power that matters ... so even if you see voltage go up,
if current goes down at the same rate ... same power.
Also, there is the duty cycle to consider.
Since the LEDs are being pulsed at some frequency ...
with some duty cycle, the eye will see this as a certain
brightness. You can manipulate frequency and duty cycle
to control light brightness.
A very thin pulse width can produce light on an LED at
very low power. Leaving the LED on longer, wider pulse,
might make the LED brighter ... at the expense of power.

This Joule Thief circuit can be TUNED for optimum
frequency and pulse width for least power with
adequate LED brightness.