Joule Thief

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Powering circuits with just one battery

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Subject / Started by	Replies / Views	Last post
Lasersaber strikes again. A joule thief king ? Started by hoptoad « 1 2 3 4 5 6 ... 23 »	331 Replies 414292 Views	July 11, 2020, 12:09:54 AM by d3x0r
Joule Thief To Amplify Joule Thief? Started by trevstar « 1 2 »	19 Replies 9009 Views	March 09, 2023, 04:59:59 PM by sm0ky2
Original Joule thief, by Z. Kaparnik. The history and basics Started by Kangsteri	0 Replies 2486 Views	March 07, 2023, 01:40:28 PM by Kangsteri
Air Core Joule Thief Started by jkassis	2 Replies 3286 Views	February 22, 2023, 08:20:44 AM by Dog-One
Joule Thief Started by Pirate88179 « 1 2 3 4 5 6 ... 1130 »	16939 Replies 6342906 Views	December 18, 2022, 10:29:56 PM by tysb3
hi i need help to optimize battery energy Started by stiplanet	9 Replies 4073 Views	September 04, 2022, 09:44:30 PM by alan
Simple Joule Thief 2-4V to 110-140V 250-350W 2-3 Amps Started by geovat	6 Replies 5450 Views	September 03, 2022, 08:29:20 PM by alan
Big joulethief more powerful (Not Only fOR Led Toys) Started by JackJohn	0 Replies 3352 Views	January 08, 2022, 01:13:38 PM by JackJohn
Pulsed DC JT by TK Labs Started by sm0ky2	11 Replies 6484 Views	October 19, 2021, 05:29:46 AM by Floor
Dr Ronald Stiffler SEC technology Started by antimony « 1 2 3 4 5 6 ... 64 »	956 Replies 281498 Views	December 15, 2020, 04:19:23 AM by Supertechster
Joule Thief, Lighting 100 LED's 3 volts Started by alextecmen	4 Replies 8524 Views	September 01, 2019, 05:44:58 PM by alextecmen
Second Stage Joule Thief Circuits Started by Pirate88179 « 1 2 3 4 5 6 ... 44 »	645 Replies 478914 Views	June 25, 2019, 04:18:22 PM by tysb3
25mV Joule Thief powered by peltier merely using our body heat -Free energy 24/7 Started by magpwr « 1 2 3 4 5 6 ... 14 »	197 Replies 303382 Views	January 27, 2019, 03:22:00 PM by magpwr
To be deleted... Started by nul-points « 1 2 3 4 5 6 »	88 Replies 67443 Views	December 03, 2018, 11:03:01 AM by nul-points
Joule Thief 101 Started by resonanceman « 1 2 3 4 5 6 ... 182 »	2726 Replies 941001 Views	September 28, 2018, 09:56:29 PM by puneet1984
Joule Lamp Started by Lynxsteam « 1 2 3 4 5 6 ... 19 »	277 Replies 345909 Views	September 22, 2018, 05:45:38 PM by puneet1984
Joule Thief replications - not overunity Started by PaulLowrance « 1 2 3 4 5 6 ... 10 »	142 Replies 103460 Views	August 19, 2018, 06:17:05 PM by Pirate88179
Can someone explain how a joule ringer and joule thief works? Started by rushi95 « 1 2 »	21 Replies 11667 Views	February 24, 2018, 04:57:37 PM by sm0ky2
Magnet Motor Solved.....?? See the Video Clip on OU Started by kampen	4 Replies 5389 Views	October 23, 2017, 08:43:08 PM by ramset
KA4EP Torch (kacher torch) Started by d3x0r « 1 2 »	28 Replies 34292 Views	October 04, 2017, 02:07:56 PM by AlienGrey
Fibonacci Joule thief winding, more than doubles voltage by HDD Magnet. Started by Rodeown	1 Replies 7354 Views	June 01, 2017, 06:10:56 AM by alextecmen
need someone who is specialist on joule thief Started by stiplanet	0 Replies 3024 Views	March 28, 2017, 02:35:09 AM by stiplanet
One joule thief powering another wirelessly Started by spacecowboy	0 Replies 3242 Views	January 17, 2017, 03:58:00 AM by spacecowboy
Where to buy components online Started by timmy1729	2 Replies 4358 Views	January 12, 2017, 06:56:51 AM by timmy1729
Joule Thief circuit that outputs 100v + for Newman motor. Started by antimony	1 Replies 4261 Views	January 10, 2017, 06:07:55 PM by conradelektro
LCAP (Again) Possible Free Energy. (Voltage Gain Over time) Started by TheGeneralHackr « 1 2 3 4 5 »	61 Replies 34996 Views	December 20, 2016, 01:26:38 AM by TheGeneralHackr
Joule thief that could light the whole house Started by CG2016 « 1 2 3 »	33 Replies 23052 Views	August 25, 2016, 10:29:19 PM by CG2016
Modified Lynx LJL Started by amit roy	0 Replies 3589 Views	July 11, 2016, 05:19:47 AM by amit roy
Very efficient joule thief using inductors Started by meiji_jap	0 Replies 3648 Views	June 24, 2016, 06:28:08 PM by meiji_jap
Need advice for the Joule thief curcuit of wireless transmission(for Over Unity) Started by Nao	0 Replies 10154 Views	April 17, 2016, 06:09:49 PM by Nao
The Resonance Energy Device Secret Revealed Started by hope-hope « 1 2 »	26 Replies 34120 Views	October 15, 2015, 04:08:44 PM by hope-hope
Tin of joules Started by tinman	12 Replies 11102 Views	September 25, 2015, 06:56:56 AM by Magluvin
High Efficiency LED for Joule Thief, etc. Started by TinselKoala « 1 2 3 »	40 Replies 28007 Views	September 08, 2015, 07:26:02 AM by SoManyWires
Need advise for a Joule Thief with 20ma 1,2v power source Started by ikram85	12 Replies 14853 Views	June 08, 2015, 03:44:35 PM by Groundloop
Text update on the over unity joule thief. Started by stevensrd1	1 Replies 5950 Views	March 20, 2015, 12:04:31 AM by telecom
Joule thief unity recharger, new update, part 3. Started by stevensrd1	1 Replies 5370 Views	March 16, 2015, 10:27:13 PM by MarkE
Update on the joule thief unity recharger, part 2. Started by stevensrd1	1 Replies 5501 Views	March 08, 2015, 10:25:09 PM by MarkE
Joule thief unity recharger. Started by stevensrd1	3 Replies 7174 Views	March 03, 2015, 03:56:17 AM by Magluvin
Heating water using joule Thief? Started by tom5200	6 Replies 13845 Views	February 28, 2015, 11:26:49 PM by sm0ky2
When can an oscillating circuit such as the Joule Thief not be used? Started by CommanderJerome	3 Replies 6382 Views	January 28, 2015, 04:17:49 AM by Pirate88179
Measuring Voltage of Joule Thief (using regulated voltage) Started by CommanderJerome	3 Replies 7336 Views	January 15, 2015, 04:30:12 PM by thngr
kodak ultra compact Started by mrjunkie	0 Replies 4965 Views	December 07, 2014, 11:01:49 PM by mrjunkie
Size of Toroid Started by CommanderJerome	7 Replies 11873 Views	December 03, 2014, 05:43:51 AM by TinselKoala
Anyone out there still playing with their Slayer Exciter??? Started by VortexTurtle	8 Replies 11255 Views	October 22, 2014, 12:28:41 PM by Loser
Joule Thief with different batteries Started by CommanderJerome	0 Replies 5034 Views	October 12, 2014, 11:56:56 PM by CommanderJerome
Joule Thief Powers Battery Electric Clock Started by chemist6146	0 Replies 5714 Views	September 17, 2014, 01:01:59 PM by chemist6146
Time Energy Pump Started by Mancha	0 Replies 6371 Views	August 14, 2014, 07:33:32 PM by Mancha
Joule theif : try out ! Started by omdano « 1 2 3 »	31 Replies 34730 Views	May 28, 2014, 02:42:31 PM by Farmhand
MEG-GA Joule Thief with very long runtime on just 1000 uF cap Started by hartiberlin « 1 2 »	18 Replies 21210 Views	May 21, 2014, 03:11:45 PM by Vortex1
My joule thief in cfl. Started by gregted	9 Replies 15406 Views	May 15, 2014, 02:17:32 AM by Pirate88179
Joule theif not working at 0.5 v ? Started by omdano « 1 2 »	25 Replies 31325 Views	January 30, 2014, 02:46:16 AM by TinselKoala
Capacitors and Resistors ? Started by omdano	9 Replies 13656 Views	January 18, 2014, 07:27:41 AM by MarkE
Replacement ? Started by omdano	1 Replies 6216 Views	January 11, 2014, 11:42:31 AM by TinselKoala
Best Joule Thief circuit for Salt Water battery project Started by carlprad	1 Replies 8962 Views	November 30, 2013, 08:46:53 PM by xee2
JT first attempt Started by lygeas « 1 2 »	17 Replies 21513 Views	November 28, 2013, 06:29:49 AM by d3x0r
Joule Thief behavior question. Started by Legalizeshemp420 « 1 2 3 »	40 Replies 36510 Views	November 15, 2013, 08:48:40 AM by MileHigh
Interesting Higher Powered Joule Thief I just made - Part 2. Started by Legalizeshemp420	13 Replies 14677 Views	October 27, 2013, 03:03:28 AM by Legalizeshemp420
Interesting Higher Powered Joule Thief I just made. Started by Legalizeshemp420	7 Replies 12598 Views	October 25, 2013, 09:15:06 PM by Legalizeshemp420
Blocking Oscillator fun and surprises. Started by Legalizeshemp420	14 Replies 18605 Views	October 20, 2013, 04:00:51 AM by Legalizeshemp420
Smoothest, and best, store purchased Joule Thief I have seen yet. Started by Legalizeshemp420 « 1 2 3 »	43 Replies 40350 Views	October 18, 2013, 04:18:12 PM by Pirate88179
Acme Fixer's highly efficient Joule Thief help needed. Started by Legalizeshemp420 « 1 2 3 »	35 Replies 36128 Views	October 14, 2013, 06:42:09 PM by Legalizeshemp420
What does your JT do when the lights go out? Started by TinselKoala	4 Replies 9399 Views	October 08, 2013, 11:05:23 AM by Lakes
Anyone try this for a JT? Started by Legalizeshemp420	9 Replies 12065 Views	October 04, 2013, 08:52:53 PM by crowclaw
Anyone expermenting with JTs and has an Arduino Started by Legalizeshemp420	9 Replies 10804 Views	October 02, 2013, 01:01:23 AM by Legalizeshemp420
High input voltage Joule Thief (12-15V) Started by d3x0r	5 Replies 17035 Views	September 27, 2013, 01:55:44 PM by speakerbox
How do I measure the efficiency of a Joule Thief? Started by carlprad	14 Replies 18634 Views	September 25, 2013, 07:53:03 AM by MileHigh
Need help with this JT simulation. Started by Dark Alchemist	5 Replies 10704 Views	September 22, 2013, 06:12:35 PM by Dark Alchemist
Is joule thief circuit gets overunity? Started by Neo-X « 1 2 3 4 5 6 ... 72 »	1075 Replies 603981 Views	August 15, 2013, 01:40:41 AM by TinselKoala
Fibonacci, platonic solids and Vortex coils Started by Mk1 « 1 2 3 4 5 6 ... 17 »	251 Replies 266329 Views	July 02, 2013, 10:01:27 PM by Mk1
it's working?!!!!! Started by pree5 « 1 2 3 4 »	49 Replies 63691 Views	June 09, 2013, 06:43:20 AM by pree5
joule thief powered guitar pedal Started by LockwoodMan	2 Replies 8929 Views	May 30, 2013, 04:26:27 AM by LockwoodMan
Is that a joule thief? Started by Jeg « 1 2 3 4 5 »	60 Replies 73057 Views	May 05, 2013, 11:19:31 PM by Pirate88179
HV eletrostatic resonator based on a joule thief or tesla pancake Started by sidneo	0 Replies 6889 Views	May 01, 2013, 08:43:38 PM by sidneo
Fuji joule thief full instructions video and pics. Started by Arnookie « 1 2 3 »	36 Replies 89760 Views	March 26, 2013, 03:51:56 PM by tian jian
Joule Thief need someone to try something . Started by Rodeown	11 Replies 19864 Views	March 22, 2013, 08:47:23 PM by TinselKoala
Electricity from telephone cables Started by ananda	1 Replies 7776 Views	February 10, 2013, 11:43:54 PM by slapper
Joule Theif + Lead Acid Battery Pack = Range Extender for Electric Vehicles? Started by juspot82	6 Replies 17206 Views	January 08, 2013, 06:26:50 PM by totoalas
Lynx Joule Inverter Started by Lynxsteam « 1 2 3 4 5 6 ... 9 »	133 Replies 135967 Views	December 29, 2012, 09:07:15 PM by Flumen
How to build a GIGANTIC Joule theif for 288 V DC electric car? Started by donx	10 Replies 36450 Views	December 27, 2012, 04:39:38 AM by saintsnick
JT Started by basheer	5 Replies 11903 Views	December 24, 2012, 06:20:38 PM by ltseung888
JOULE THIEF with variable count of led Started by basheer	0 Replies 7074 Views	December 19, 2012, 06:24:33 PM by basheer
kodak joule thief Started by donny	5 Replies 14662 Views	December 07, 2012, 10:31:27 AM by Chucoflores13
fuji circuit + dusk to dawn photocell Started by topothemtn	0 Replies 7040 Views	December 06, 2012, 03:10:24 AM by topothemtn
it's also a joule thief!!!!! Started by pree5	6 Replies 14456 Views	December 04, 2012, 08:29:00 AM by pree5
Joule Ringer V4 and practical applications Started by plengo « 1 2 »	27 Replies 43497 Views	November 29, 2012, 11:46:07 PM by Eighthman
Wireless power transmission using Joule Thief Started by Positron360 « 1 2 3 »	30 Replies 48512 Views	November 29, 2012, 09:11:09 PM by Flumen
Joule Ringer! Started by lasersaber « 1 2 3 4 5 6 ... 44 »	654 Replies 834233 Views	October 31, 2012, 04:06:57 AM by Djoko
Geiger Counter DIY Cheap using Disposable Camera Circuit Started by gadgetmall	1 Replies 17216 Views	September 11, 2012, 08:28:54 PM by gadgetmall
Joule Motor Started by Lynxsteam « 1 2 3 »	38 Replies 66399 Views	August 28, 2012, 04:51:29 PM by Lynxsteam
Hairpin Project Started by resonanceman « 1 2 3 4 5 6 ... 11 »	164 Replies 111300 Views	August 27, 2012, 02:30:16 AM by Pirate88179
Cvs Disposable Camera Started by kd5sgs « 1 2 »	15 Replies 25726 Views	August 23, 2012, 05:51:48 AM by kd5sgs
Help Powering 45 LEDs (3.2v whites, Blues and 2v reds) Started by gcadman	5 Replies 10556 Views	July 24, 2012, 05:39:13 PM by gcadman
300 LED strip >> Need a joule thief schematic with a 555 timer (maybe) Started by temledog69	9 Replies 19810 Views	May 30, 2012, 09:53:00 AM by Taylor
SJRC - Super Joule Ringer Charger. A new breed is born Started by Peanutbutter29 « 1 2 »	18 Replies 43045 Views	May 21, 2012, 06:33:50 PM by mnsman
Solar Garden Light Joule Thief HELP needed Started by Flux4Energizer « 1 2 »	15 Replies 31274 Views	May 18, 2012, 08:22:30 AM by goku_092966
My improved version of a plasma ball powering a led light with no joule thief. Started by stevensrd1	7 Replies 14696 Views	April 30, 2012, 01:51:11 AM by Pirate88179
My first joule thief... success using scavenged SMPS common mode choke. Started by Evil Lurker	0 Replies 12739 Views	March 12, 2012, 01:42:39 AM by Evil Lurker
Help upgrading transistor (nevermind) Started by d3x0r	0 Replies 7994 Views	February 26, 2012, 07:26:05 AM by d3x0r
What I learned in Joule Theif 101 Started by d3x0r	5 Replies 16714 Views	February 19, 2012, 01:53:54 PM by d3x0r

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