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 413663 Views	July 11, 2020, 12:09:54 AM by d3x0r
Very efficient joule thief using inductors Started by meiji_jap	0 Replies 3641 Views	June 24, 2016, 06:28:08 PM by meiji_jap
Ossiloscoop software accuracy and reliability. Vortex study group NL. Started by Indigo2Angel	0 Replies 7500 Views	July 19, 2011, 07:47:36 PM by Indigo2Angel
lemon battery with Joule Thief led light~ Started by pree5	0 Replies 12725 Views	July 17, 2011, 05:48:14 AM by pree5
Goedkoop! Nike Sch,oenen bestellen Started by chlz0820	0 Replies 7869 Views	July 16, 2011, 10:25:12 AM by chlz0820
Modified Lynx LJL Started by amit roy	0 Replies 3581 Views	July 11, 2016, 05:19:47 AM by amit roy
Need advice for the Joule thief curcuit of wireless transmission(for Over Unity) Started by Nao	0 Replies 10114 Views	April 17, 2016, 06:09:49 PM by Nao
Original Joule thief, by Z. Kaparnik. The history and basics Started by Kangsteri	0 Replies 2442 Views	March 07, 2023, 01:40:28 PM by Kangsteri
Time Energy Pump Started by Mancha	0 Replies 6362 Views	August 14, 2014, 07:33:32 PM by Mancha
Joule Thief Powers Battery Electric Clock Started by chemist6146	0 Replies 5705 Views	September 17, 2014, 01:01:59 PM by chemist6146
Joule Thief with different batteries Started by CommanderJerome	0 Replies 5025 Views	October 12, 2014, 11:56:56 PM by CommanderJerome
HV eletrostatic resonator based on a joule thief or tesla pancake Started by sidneo	0 Replies 6880 Views	May 01, 2013, 08:43:38 PM by sidneo
A scheme where else? ;-) Started by sergdo	0 Replies 9509 Views	January 10, 2012, 03:56:45 AM by sergdo
One joule thief powering another wirelessly Started by spacecowboy	0 Replies 3235 Views	January 17, 2017, 03:58:00 AM by spacecowboy
fuji circuit + dusk to dawn photocell Started by topothemtn	0 Replies 7033 Views	December 06, 2012, 03:10:24 AM by topothemtn
Big joulethief more powerful (Not Only fOR Led Toys) Started by JackJohn	0 Replies 3342 Views	January 08, 2022, 01:13:38 PM by JackJohn
JOULE THIEF with variable count of led Started by basheer	0 Replies 7068 Views	December 19, 2012, 06:24:33 PM by basheer
deleted topic Started by stprue	0 Replies 7402 Views	June 16, 2009, 02:43:32 AM by stprue
kodak ultra compact Started by mrjunkie	0 Replies 4955 Views	December 07, 2014, 11:01:49 PM by mrjunkie
My first joule thief... success using scavenged SMPS common mode choke. Started by Evil Lurker	0 Replies 12730 Views	March 12, 2012, 01:42:39 AM by Evil Lurker
need someone who is specialist on joule thief Started by stiplanet	0 Replies 3016 Views	March 28, 2017, 02:35:09 AM by stiplanet
Help upgrading transistor (nevermind) Started by d3x0r	0 Replies 7988 Views	February 26, 2012, 07:26:05 AM by d3x0r
Bedini SSG Charger applied to Joule Theif Started by d3x0r	0 Replies 12884 Views	February 14, 2012, 03:36:27 AM by d3x0r
Electricity from telephone cables Started by ananda	1 Replies 7769 Views	February 10, 2013, 11:43:54 PM by slapper
Geiger Counter DIY Cheap using Disposable Camera Circuit Started by gadgetmall	1 Replies 17208 Views	September 11, 2012, 08:28:54 PM by gadgetmall
Joule Ringer basic info how to work! Started by pree5	1 Replies 13615 Views	August 29, 2011, 06:28:21 AM by pree5
IST'S DEAD BATTERY PULSER OPTICAL COUPLER! Started by innovation_station	1 Replies 6061 Views	October 21, 2010, 05:39:24 PM by stevensrd1
Resistance Scaling with Voltage Started by jadaro2600	1 Replies 5830 Views	June 15, 2010, 04:36:41 AM by jadaro2600
Best Joule Thief circuit for Salt Water battery project Started by carlprad	1 Replies 8953 Views	November 30, 2013, 08:46:53 PM by xee2
Replacement ? Started by omdano	1 Replies 6208 Views	January 11, 2014, 11:42:31 AM by TinselKoala
3 Watt High Power LED Mag Lite Running on Joule thief Started by unzapped	1 Replies 11618 Views	January 08, 2010, 07:35:03 PM by unzapped
Update on the joule thief unity recharger, part 2. Started by stevensrd1	1 Replies 5491 Views	March 08, 2015, 10:25:09 PM by MarkE
Text update on the over unity joule thief. Started by stevensrd1	1 Replies 5938 Views	March 20, 2015, 12:04:31 AM by telecom
IST JT SUN CIRCLES LED GRO LIGHTS... Started by innovation_station	1 Replies 5275 Views	November 07, 2009, 06:56:34 PM by innovation_station
Joule Thief circuit that outputs 100v + for Newman motor. Started by antimony	1 Replies 4250 Views	January 10, 2017, 06:07:55 PM by conradelektro
Fibonacci Joule thief winding, more than doubles voltage by HDD Magnet. Started by Rodeown	1 Replies 7347 Views	June 01, 2017, 06:10:56 AM by alextecmen
Joule thief unity recharger, new update, part 3. Started by stevensrd1	1 Replies 5349 Views	March 16, 2015, 10:27:13 PM by MarkE
Where to buy components online Started by timmy1729	2 Replies 4348 Views	January 12, 2017, 06:56:51 AM by timmy1729
My Jt Started by IotaYodi	2 Replies 5904 Views	November 29, 2009, 08:10:29 AM by kooler
Is this a Joule thief? Started by guruji	2 Replies 9503 Views	March 10, 2011, 06:28:38 AM by dimbulb
IST'S NEOZAP POWER GAP POWER SUPPLY 1 AA BATTERY Started by innovation_station	2 Replies 7199 Views	March 25, 2010, 07:23:47 PM by innovation_station
joule thief powered guitar pedal Started by LockwoodMan	2 Replies 8910 Views	May 30, 2013, 04:26:27 AM by LockwoodMan
IST BOOST CAP SUPER CHARGER VERRY HIGH SPEED ! Started by innovation_station	2 Replies 5884 Views	February 04, 2010, 08:09:35 PM by innovation_station
Air Core Joule Thief Started by jkassis	2 Replies 3273 Views	February 22, 2023, 08:20:44 AM by Dog-One
Main stream products using joule thief?? Started by Poit	3 Replies 12445 Views	July 16, 2011, 01:02:24 PM by Poit
Joule thief unity recharger. Started by stevensrd1	3 Replies 7163 Views	March 03, 2015, 03:56:17 AM by Magluvin
Measuring Voltage of Joule Thief (using regulated voltage) Started by CommanderJerome	3 Replies 7327 Views	January 15, 2015, 04:30:12 PM by thngr
When can an oscillating circuit such as the Joule Thief not be used? Started by CommanderJerome	3 Replies 6370 Views	January 28, 2015, 04:17:49 AM by Pirate88179
Very bright light selfmade from Aluminiumfoil and Aluminiumoxid Started by hartiberlin	3 Replies 6979 Views	December 06, 2009, 09:19:09 PM by Earl
Could a Joule Thief Power A Peltier? Started by Krb686	4 Replies 13283 Views	June 25, 2011, 06:31:29 PM by Krb686
Led Calculator Started by IotaYodi	4 Replies 7092 Views	March 01, 2010, 05:44:50 PM by Pirate88179
Bench Observation of Em fields Started by IotaYodi	4 Replies 6034 Views	November 12, 2009, 01:13:36 AM by wattsup
Magnet Motor Solved.....?? See the Video Clip on OU Started by kampen	4 Replies 5377 Views	October 23, 2017, 08:43:08 PM by ramset
What does your JT do when the lights go out? Started by TinselKoala	4 Replies 9385 Views	October 08, 2013, 11:05:23 AM by Lakes
Joule Thief, Lighting 100 LED's 3 volts Started by alextecmen	4 Replies 8512 Views	September 01, 2019, 05:44:58 PM by alextecmen
New jewl Started by stevensrd1	5 Replies 11852 Views	December 20, 2011, 10:50:51 AM by stevensrd1
JT Started by basheer	5 Replies 11885 Views	December 24, 2012, 06:20:38 PM by ltseung888
kodak joule thief Started by donny	5 Replies 14655 Views	December 07, 2012, 10:31:27 AM by Chucoflores13
Help Powering 45 LEDs (3.2v whites, Blues and 2v reds) Started by gcadman	5 Replies 10546 Views	July 24, 2012, 05:39:13 PM by gcadman
High input voltage Joule Thief (12-15V) Started by d3x0r	5 Replies 17022 Views	September 27, 2013, 01:55:44 PM by speakerbox
What I learned in Joule Theif 101 Started by d3x0r	5 Replies 16701 Views	February 19, 2012, 01:53:54 PM by d3x0r
Basic joule thief charger. Started by stevensrd1	5 Replies 19801 Views	April 26, 2011, 02:35:45 AM by nievesoliveras
Need help with this JT simulation. Started by Dark Alchemist	5 Replies 10682 Views	September 22, 2013, 06:12:35 PM by Dark Alchemist
Have a lathe? Wanna make some cash? JT project Started by unzapped	5 Replies 7557 Views	January 27, 2010, 07:05:22 PM by DMBoss
IST CAM FLASH POLAROID HV PULSER MOD Started by innovation_station	5 Replies 6929 Views	February 06, 2010, 09:46:55 PM by innovation_station
negative damping Started by akunkeji	5 Replies 11357 Views	March 08, 2010, 10:58:46 PM by pese
Joule Theif + Lead Acid Battery Pack = Range Extender for Electric Vehicles? Started by juspot82	6 Replies 17188 Views	January 08, 2013, 06:26:50 PM by totoalas
IST'S NO TRANSISTOR JOULE THIEF Started by innovation_station	6 Replies 11438 Views	May 09, 2010, 04:37:54 PM by innovation_station
ISTS SELF RUNNING JOULE THEIF MOTOR Started by innovation_station	6 Replies 9601 Views	February 01, 2010, 09:16:50 AM by innovation_station
it's also a joule thief!!!!! Started by pree5	6 Replies 14447 Views	December 04, 2012, 08:29:00 AM by pree5
Simple Joule Thief 2-4V to 110-140V 250-350W 2-3 Amps Started by geovat	6 Replies 5428 Views	September 03, 2022, 08:29:20 PM by alan
Large Scale Joule Thief Started by Foggy-Notion	6 Replies 15998 Views	February 10, 2010, 09:53:46 AM by kukulcangod
Heating water using joule Thief? Started by tom5200	6 Replies 13830 Views	February 28, 2015, 11:26:49 PM by sm0ky2
MULTI BEAM LIGHT ACCELERATION TUBE ... JT MODLE! Started by innovation_station	7 Replies 8001 Views	March 18, 2010, 03:34:24 PM by innovation_station
Interesting Higher Powered Joule Thief I just made. Started by Legalizeshemp420	7 Replies 12576 Views	October 25, 2013, 09:15:06 PM by Legalizeshemp420
Size of Toroid Started by CommanderJerome	7 Replies 11859 Views	December 03, 2014, 05:43:51 AM by TinselKoala
My improved version of a plasma ball powering a led light with no joule thief. Started by stevensrd1	7 Replies 14679 Views	April 30, 2012, 01:51:11 AM by Pirate88179
Anyone out there still playing with their Slayer Exciter??? Started by VortexTurtle	8 Replies 11241 Views	October 22, 2014, 12:28:41 PM by Loser
Joule Theif problems. Please help. Started by chrisburrows	8 Replies 15191 Views	January 25, 2012, 03:43:17 AM by sm0ky2
My joule thief in cfl. Started by gregted	9 Replies 15393 Views	May 15, 2014, 02:17:32 AM by Pirate88179
Capacitors and Resistors ? Started by omdano	9 Replies 13643 Views	January 18, 2014, 07:27:41 AM by MarkE
Anyone try this for a JT? Started by Legalizeshemp420	9 Replies 12046 Views	October 04, 2013, 08:52:53 PM by crowclaw
hi i need help to optimize battery energy Started by stiplanet	9 Replies 4050 Views	September 04, 2022, 09:44:30 PM by alan
Anyone expermenting with JTs and has an Arduino Started by Legalizeshemp420	9 Replies 10779 Views	October 02, 2013, 01:01:23 AM by Legalizeshemp420
300 LED strip >> Need a joule thief schematic with a 555 timer (maybe) Started by temledog69	9 Replies 19787 Views	May 30, 2012, 09:53:00 AM by Taylor
JT SALT WATER BURNER Started by innovation_station	9 Replies 13759 Views	April 23, 2010, 06:27:22 AM by MrMag
Joule Thief powered by the plasma from a plasma ball. Started by stevensrd1	10 Replies 15080 Views	April 26, 2011, 02:41:16 AM by resonanceman
How to build a GIGANTIC Joule theif for 288 V DC electric car? Started by donx	10 Replies 36431 Views	December 27, 2012, 04:39:38 AM by saintsnick
Pulsed DC JT by TK Labs Started by sm0ky2	11 Replies 6461 Views	October 19, 2021, 05:29:46 AM by Floor
Joule Thief need someone to try something . Started by Rodeown	11 Replies 19844 Views	March 22, 2013, 08:47:23 PM by TinselKoala
Need advise for a Joule Thief with 20ma 1,2v power source Started by ikram85	12 Replies 14839 Views	June 08, 2015, 03:44:35 PM by Groundloop
Tin of joules Started by tinman	12 Replies 11081 Views	September 25, 2015, 06:56:56 AM by Magluvin
THE TICKEL CHARGE METHOD III THE WORK OF IST! Started by innovation_station	13 Replies 14668 Views	November 15, 2011, 04:46:33 PM by acmefixer
Interesting Higher Powered Joule Thief I just made - Part 2. Started by Legalizeshemp420	13 Replies 14657 Views	October 27, 2013, 03:03:28 AM by Legalizeshemp420
Blocking Oscillator fun and surprises. Started by Legalizeshemp420	14 Replies 18585 Views	October 20, 2013, 04:00:51 AM by Legalizeshemp420
How do I measure the efficiency of a Joule Thief? Started by carlprad	14 Replies 18605 Views	September 25, 2013, 07:53:03 AM by MileHigh
Cvs Disposable Camera Started by kd5sgs « 1 2 »	15 Replies 25707 Views	August 23, 2012, 05:51:48 AM by kd5sgs
Solar Garden Light Joule Thief HELP needed Started by Flux4Energizer « 1 2 »	15 Replies 31254 Views	May 18, 2012, 08:22:30 AM by goku_092966
IST'S CAM CAP CONVERSION DEVICE ! Started by innovation_station « 1 2 »	15 Replies 13969 Views	March 24, 2010, 04:29:23 PM by innovation_station

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