Instructables: exploring - stepbystep - led - battery - popular http://www.instructables.com Wed, 16 Apr 2014 00:38:03 PDT BLOX v1.01 Rechargeable Bike Light with automatic switch of energy source http://www.instructables.com/id/Intro-70/
Rechargeable Bike Light with automatic switch of energy source - More DIY How To Projects]]> http://cdn.instructables.com/FTH/JMIB/HTIWIRHF/FTHJMIBHTIWIRHF.SQUARE2.jpg http://cdn.instructables.com/FTH/JMIB/HTIWIRHF/FTHJMIBHTIWIRHF.SQUARE.jpg http://cdn.instructables.com/FTH/JMIB/HTIWIRHF/FTHJMIBHTIWIRHF.SMALL.jpg Bumsfallera First of all, excuse my non-native English and my lack of professional electrical engineering skills. I see this as a hobby and have no claim to be perfect. However, if you have some ideas on how to improve the setting don’t hesitate to write a comment ;-) I haven’t seen any similar Instructabl...
By: Bumsfallera

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Mon, 31 Mar 2014 17:20:32 PDT
LED skateboard version 3! http://www.instructables.com/id/LED-skateboard-version-3/
LED skateboard version 3! - More DIY How To Projects]]> http://cdn.instructables.com/F5P/AT07/HQB80II2/F5PAT07HQB80II2.SQUARE2.jpg http://cdn.instructables.com/F5P/AT07/HQB80II2/F5PAT07HQB80II2.SQUARE.jpg http://cdn.instructables.com/F5P/AT07/HQB80II2/F5PAT07HQB80II2.SMALL.jpg out-of-the-box Thank you for viewing my instructable! As the title says this is my 3rd led skateboard! But this is actually the first one I am making a 'how to' for. My first led board was alright, It did have a few flaws and aside from just turning it on there wasn't much appeal to it. Yes it did look very nice r...
By: out-of-the-box

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Sat, 11 Jan 2014 14:36:00 PST
Raspberry Pi Rain Box http://www.instructables.com/id/Raspberry-Pi-Rain-Box/
Raspberry Pi Rain Box - More DIY How To Projects]]> http://cdn.instructables.com/FP4/DRUR/HPYORXUW/FP4DRURHPYORXUW.SQUARE2.jpg http://cdn.instructables.com/FP4/DRUR/HPYORXUW/FP4DRURHPYORXUW.SQUARE.jpg http://cdn.instructables.com/FP4/DRUR/HPYORXUW/FP4DRURHPYORXUW.SMALL.jpg Adum24 I find the sound of rain really soothing, and wanted a device to just play rain sounds for me. I figured the Raspberry Pi would be perfect for this. So I wrote a Python script that selects a random number, and, based on the number, selects a rain sound to play. After that, I stuck it in a hobby proj...
By: Adum24

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Sun, 5 Jan 2014 19:30:31 PST
Easy LED Color Changing "Candle" http://www.instructables.com/id/Easy-LED-Color-Changing-Light/
Easy LED Color Changing "Candle" - More DIY How To Projects]]> http://cdn.instructables.com/FYL/MJZ5/HP71H2BW/FYLMJZ5HP71H2BW.SQUARE2.jpg http://cdn.instructables.com/FYL/MJZ5/HP71H2BW/FYLMJZ5HP71H2BW.SQUARE.jpg http://cdn.instructables.com/FYL/MJZ5/HP71H2BW/FYLMJZ5HP71H2BW.SMALL.jpg Cats Science Club This is a simple color changing light that is great for kids and adults. Looks beautiful in a dimly lit room, great for the holidays, and makes a pretty cool night light. Materials Glue Gun - We are using a low temperature glue gun. It hurts when the glue touches your skin but it does not burn y...
By: Cats Science Club

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Sat, 14 Dec 2013 08:41:26 PST
Ultra-bright Emergency Waterproof Torch DIY (Rechargeble) http://www.instructables.com/id/Ultra-bright-Waterproof-Torch-DIY-Rechargeble/
Ultra-bright Emergency Waterproof Torch DIY (Rechargeble) - More DIY How To Projects]]> http://cdn.instructables.com/FNO/VUUS/HP7AO7AC/FNOVUUSHP7AO7AC.SQUARE2.jpg http://cdn.instructables.com/FNO/VUUS/HP7AO7AC/FNOVUUSHP7AO7AC.SQUARE.jpg http://cdn.instructables.com/FNO/VUUS/HP7AO7AC/FNOVUUSHP7AO7AC.SMALL.jpg PrathameshJ This is an Ultra bright torch Which is maximum recycled. This can be used for camping,Halloween,pool lights,night light, camera flash light,blackouts etc. Gathering Materials 1] DC Socket (Recycled Parts) 2] BL-5C (Recycled Parts) 3] Switch (Recycled Parts) 4] 3W ultabright led (Recycled Parts...
By: PrathameshJ

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Sun, 15 Dec 2013 00:08:20 PST
$3.00 Altoids Charger (EASY BUILD) (CHEAP) http://www.instructables.com/id/300-Altoids-Charger-EASY-BUILD-CHEAP/
$3.00 Altoids Charger (EASY BUILD) (CHEAP) - More DIY How To Projects]]> http://cdn.instructables.com/F4H/O57K/HOUG0C9N/F4HO57KHOUG0C9N.SQUARE2.jpg http://cdn.instructables.com/F4H/O57K/HOUG0C9N/F4HO57KHOUG0C9N.SQUARE.jpg http://cdn.instructables.com/F4H/O57K/HOUG0C9N/F4HO57KHOUG0C9N.SMALL.jpg snow1434 I know your thinking i have seen hundreds of these but have you ever seen one so easy to build? LETS GET STARTED Things you will need : L78MO5CV Voltage Regulator http://www.taydaelectronics.com/ic-integrated-circuits/voltage-regulators/lm7805-l7805-7805-voltage-regulator-ic-5v-1-5a.html ...
By: snow1434

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Sun, 8 Dec 2013 21:48:07 PST
Fun circuits with conductive paint http://www.instructables.com/id/Fun-circuits-with-conductive-paint/
Fun circuits with conductive paint - More DIY How To Projects]]> http://cdn.instructables.com/FG9/HKKD/HN82O66Z/FG9HKKDHN82O66Z.SQUARE2.jpg http://cdn.instructables.com/FG9/HKKD/HN82O66Z/FG9HKKDHN82O66Z.SQUARE.jpg http://cdn.instructables.com/FG9/HKKD/HN82O66Z/FG9HKKDHN82O66Z.SMALL.jpg Paulbacca This instructable will show you how to make simple fun electronic circuits. However my objective here is mostly to demonstrate how kids can have fun making and learning about electronics at the same time. I will be using a new product from a company called Bare Conductive that have recently release...
By: Paulbacca

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Tue, 29 Oct 2013 11:03:24 PDT
Solar-Powered Glow-Jar http://www.instructables.com/id/Solar-Powered-Glow-Jar/
Solar-Powered Glow-Jar - More DIY How To Projects]]> http://cdn.instructables.com/FLU/VDLD/GRFMVZJM/FLUVDLDGRFMVZJM.SQUARE2.jpg http://cdn.instructables.com/FLU/VDLD/GRFMVZJM/FLUVDLDGRFMVZJM.SQUARE.jpg http://cdn.instructables.com/FLU/VDLD/GRFMVZJM/FLUVDLDGRFMVZJM.SMALL.jpg MdP1632 The idea for this Instructable came from something I found called Sun and Moon Jars on ThinkGeek.com. http://www.thinkgeek.com/homeoffice/lights/994a/ Unfortunately these jars cost much more than I was willing to spend. Because of this, I decided to make my own version, and share it with all of yo...
By: MdP1632

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Wed, 24 Aug 2011 00:07:50 PDT
LED bike lamp http://www.instructables.com/id/LED-light-for-bike/
LED bike lamp - More DIY How To Projects]]> http://cdn.instructables.com/F96/1T6Y/HLFUR3PG/F961T6YHLFUR3PG.SQUARE2.jpg http://cdn.instructables.com/F96/1T6Y/HLFUR3PG/F961T6YHLFUR3PG.SQUARE.jpg http://cdn.instructables.com/F96/1T6Y/HLFUR3PG/F961T6YHLFUR3PG.SMALL.jpg andrea biffi If you wish to make by yourself a powerful lamp for your night bike rides, as some beautiful lights you can buy, the best choice in my opinion is to build it with a commercial LED lamp. Since some of these lamps work with 12V AC current, I decided to use as power source a 12V DC Li-po battery. The l...
By: andrea biffi

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Wed, 11 Sep 2013 10:20:36 PDT
Film Canister Battery http://www.instructables.com/id/Film-Canister-Battery/
Film Canister Battery - More DIY How To Projects]]> http://cdn.instructables.com/FIN/EZF1/HJKBUG33/FINEZF1HJKBUG33.SQUARE2.jpg http://cdn.instructables.com/FIN/EZF1/HJKBUG33/FINEZF1HJKBUG33.SQUARE.jpg http://cdn.instructables.com/FIN/EZF1/HJKBUG33/FINEZF1HJKBUG33.SMALL.jpg Cats Science Club Making a battery from film canisters, used wire, vinegar, and nails. Check us out at catsscience.com and on Facebook Please vote for us. Materials Film canisters Vinegar Safety goggles Nails (zinc coated) Wire Cutters Alligator clips with wire Scrap copper wire Red LED No film canisters? You ...
By: Cats Science Club

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Sat, 27 Jul 2013 11:11:45 PDT
DIY portable LED strobe http://www.instructables.com/id/DIY-portable-LED-strobe/
DIY portable LED strobe - More DIY How To Projects]]> http://cdn.instructables.com/F6C/67LG/HJB0JB8E/F6C67LGHJB0JB8E.SQUARE2.jpg http://cdn.instructables.com/F6C/67LG/HJB0JB8E/F6C67LGHJB0JB8E.SQUARE.jpg http://cdn.instructables.com/F6C/67LG/HJB0JB8E/F6C67LGHJB0JB8E.SMALL.jpg DOT. I and my friends like to have fun in summer. We like to fool around with music when we are camping. To make those parties more likely to professional ones I have made portable 9V LED strobe. For my surprise it really gives a big effect. I hope you will like it! Lights! Camera! Action! Too...
By: DOT.

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Mon, 22 Jul 2013 14:49:56 PDT
Upgrade your switch to LED http://www.instructables.com/id/Upgrade-your-switch-to-LED/
Upgrade your switch to LED - More DIY How To Projects]]> http://cdn.instructables.com/FDM/K0AA/HIYWGWRQ/FDMK0AAHIYWGWRQ.SQUARE2.jpg http://cdn.instructables.com/FDM/K0AA/HIYWGWRQ/FDMK0AAHIYWGWRQ.SQUARE.jpg http://cdn.instructables.com/FDM/K0AA/HIYWGWRQ/FDMK0AAHIYWGWRQ.SMALL.jpg kondzio29 Light up your switch with LED! Replace the lightbulb inside with LED and use it with 3V  circuits! There is also a plenty of benefits of using LED in the switch. Go and check first step! Parts you'll need to convert your switch and why do you want to do it. Why do you want to use LED instead of ...
By: kondzio29

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Fri, 12 Jul 2013 11:19:04 PDT
$5 DIY | 12v Small LED Bunk or Storage Light http://www.instructables.com/id/DIY-12V-LED-Bunk-Lights-home-built-wooden-lase/
$5 DIY | 12v Small LED Bunk or Storage Light - More DIY How To Projects]]> http://cdn.instructables.com/F9L/869B/HIPIXP10/F9L869BHIPIXP10.SQUARE2.jpg http://cdn.instructables.com/F9L/869B/HIPIXP10/F9L869BHIPIXP10.SQUARE.jpg http://cdn.instructables.com/F9L/869B/HIPIXP10/F9L869BHIPIXP10.SMALL.jpg M.Hawse      This is an article describing the process I used to build a couple of wooden LED bunk lights for my friend's houseboat. I designed these myself. I also built and installed them without assistance, so it's an easy project.  You will also see photos and video of a black-stained, RGB LED Bunk Li...
By: M.Hawse

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Sat, 6 Jul 2013 02:26:52 PDT
GUIDE TO LED PROJECTS http://www.instructables.com/id/GUIDE-TO-LED-PROJECTS/
GUIDE TO LED PROJECTS - More DIY How To Projects]]> http://cdn.instructables.com/F35/CVOT/HIGFJVDC/F35CVOTHIGFJVDC.SQUARE2.jpg http://cdn.instructables.com/F35/CVOT/HIGFJVDC/F35CVOTHIGFJVDC.SQUARE.jpg http://cdn.instructables.com/F35/CVOT/HIGFJVDC/F35CVOTHIGFJVDC.SMALL.jpg Dipankar INTRO. I had to do this project for many of my young friends who are interested in LED’s but do not know how to go about it. I also had the same problem but was fortunate enough to get HELP from my friends at www.Instructables.com. This is not about any calculation or study but a set of proven ru...
By: Dipankar

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Sun, 30 Jun 2013 06:06:25 PDT
Ice Cube-Unread Email Counter http://www.instructables.com/id/Ice-Cube-Unread-Email-Counter/
Ice Cube-Unread Email Counter - More DIY How To Projects]]> http://cdn.instructables.com/F6F/5NLC/HHJO9INS/F6F5NLCHHJO9INS.SQUARE2.jpg http://cdn.instructables.com/F6F/5NLC/HHJO9INS/F6F5NLCHHJO9INS.SQUARE.jpg http://cdn.instructables.com/F6F/5NLC/HHJO9INS/F6F5NLCHHJO9INS.SMALL.jpg trumpkin Digging into the vault of never fully documented projects, I found this and decided to make an Instructable on it. Doing this mostly by memory, I might have missed some things. Let me know if you see any errors. This is a project that displays how many unread email messages you have. It also display...
By: trumpkin

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Thu, 6 Jun 2013 10:09:44 PDT
PowerTube Vr. 1 for bicycle headlight http://www.instructables.com/id/PowerTube-Vr-1/
PowerTube Vr. 1 for bicycle headlight - More DIY How To Projects]]> http://cdn.instructables.com/FZC/6I4T/HGH6Q3O0/FZC6I4THGH6Q3O0.SQUARE2.jpg http://cdn.instructables.com/FZC/6I4T/HGH6Q3O0/FZC6I4THGH6Q3O0.SQUARE.jpg http://cdn.instructables.com/FZC/6I4T/HGH6Q3O0/FZC6I4THGH6Q3O0.SMALL.jpg frapedia Recently purchased one of those bicycle lights using the XML T6 LED x3. Came with a 18650 8.4v 6400mAh Battery Pack and a Pouch with Velcro. The headlight has a voltage status function via a multi color LED but to be honest i am not satisfy with what function so i decided to add a voltage meter....
By: frapedia

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Sat, 11 May 2013 15:43:09 PDT
Giant Sun Jar http://www.instructables.com/id/Giant-Sun-Jar/
Giant Sun Jar - More DIY How To Projects]]> http://cdn.instructables.com/FDZ/ULCO/HFBK1H4Y/FDZULCOHFBK1H4Y.SQUARE2.jpg http://cdn.instructables.com/FDZ/ULCO/HFBK1H4Y/FDZULCOHFBK1H4Y.SQUARE.jpg http://cdn.instructables.com/FDZ/ULCO/HFBK1H4Y/FDZULCOHFBK1H4Y.SMALL.jpg depotdevoid I love my solar lights, as I've documented here and there on this site, particularly those that I put in jars and bottles.  I've had this oversize glass cookie jar cluttering up my counter space for years, and when we decided to get rid of it, I figured I'd repurpose it instead of sending it off t...
By: depotdevoid

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Mon, 15 Apr 2013 20:57:00 PDT
Make a Photon Flower That Lights Up When You Water It with Lemon Juice http://www.instructables.com/id/Make-a-Photon-Flower-That-Lights-Up-When-You-Water/
Make a Photon Flower That Lights Up When You Water It with Lemon Juice - More DIY How To Projects]]> http://cdn.instructables.com/FU1/SZPX/HEI4FD4F/FU1SZPXHEI4FD4F.SQUARE2.jpg http://cdn.instructables.com/FU1/SZPX/HEI4FD4F/FU1SZPXHEI4FD4F.SQUARE.jpg http://cdn.instructables.com/FU1/SZPX/HEI4FD4F/FU1SZPXHEI4FD4F.SMALL.jpg lclarkberg Have you ever made a battery out of a lemon? If you poke a copper wire into a lemon and poke a zinc-coated nail in next to it, you can measure with a voltmeter that the lemon produces between 0.5 and 1 volt. The copper is the "cathode", or positive end of the battery, the zinc is the "anode", or neg...
By: lclarkberg

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Wed, 20 Mar 2013 08:18:26 PDT
The wire-less Ikea LEDstrip : gruesome green hack http://www.instructables.com/id/The-wire-less-Ikea-LEDstrip-gruesome-green-hack/
The wire-less Ikea LEDstrip : gruesome green hack - More DIY How To Projects]]> http://cdn.instructables.com/F6K/YYO1/HCV91U6P/F6KYYO1HCV91U6P.SQUARE2.jpg http://cdn.instructables.com/F6K/YYO1/HCV91U6P/F6KYYO1HCV91U6P.SQUARE.jpg http://cdn.instructables.com/F6K/YYO1/HCV91U6P/F6KYYO1HCV91U6P.SMALL.jpg raalst   I have to get up while it is still dark and I do not want to wake my wife too much. On the other hand I would like to be able to know what I'm wearing by other means than the laughter of co-workers. So I needed a LED strip in my closet. Ikea sells a nice one, called "Komplement". I got one of th...
By: raalst

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Sat, 9 Feb 2013 12:09:26 PST
Creative Valentines Gift http://www.instructables.com/id/Creative-Valentines-Gift/
Creative Valentines Gift - More DIY How To Projects]]> http://cdn.instructables.com/FLB/FIXB/HCJO1N8S/FLBFIXBHCJO1N8S.SQUARE2.jpg http://cdn.instructables.com/FLB/FIXB/HCJO1N8S/FLBFIXBHCJO1N8S.SQUARE.jpg http://cdn.instructables.com/FLB/FIXB/HCJO1N8S/FLBFIXBHCJO1N8S.SMALL.jpg Chip Fixes I wanted to give my girlfriend a unique gift for Valentines Day and the idea of putting something special inside a light bulb came to me after seeing an Instructable on how to make light bulb coat hangars. I was expecting it to be a lot more work than it was. I was actually able to complete the proj...
By: Chip Fixes

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Tue, 5 Feb 2013 18:13:48 PST
How to Make Batteries From Spare Change http://www.instructables.com/id/How-to-Turn-Spare-Pocket-Change-into-DIY-Batteries/
How to Make Batteries From Spare Change - More DIY How To Projects]]> http://cdn.instructables.com/FB1/FGBI/HAVGJYI6/FB1FGBIHAVGJYI6.SQUARE2.jpg http://cdn.instructables.com/FB1/FGBI/HAVGJYI6/FB1FGBIHAVGJYI6.SQUARE.jpg http://cdn.instructables.com/FB1/FGBI/HAVGJYI6/FB1FGBIHAVGJYI6.SMALL.jpg The King of Random See The Video! What's a penny worth these days?  Not much, but could there be some free energy hidden inside your spare pennies? You'd be surprised! Watch the video to learn how you can put together stacks of pennies to form makeshift batteries that can drive small-current devices like LEDs a...
By: The King of Random

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Sat, 5 Jan 2013 16:07:15 PST
LED Flashlight Conversion http://www.instructables.com/id/LED-Flashlight-Conversion/
LED Flashlight Conversion - More DIY How To Projects]]> http://cdn.instructables.com/FUJ/5SSD/HAFHKY3E/FUJ5SSDHAFHKY3E.SQUARE2.jpg http://cdn.instructables.com/FUJ/5SSD/HAFHKY3E/FUJ5SSDHAFHKY3E.SQUARE.jpg http://cdn.instructables.com/FUJ/5SSD/HAFHKY3E/FUJ5SSDHAFHKY3E.SMALL.jpg ProfMuggs As hurricane Sandy was nearing the New York area, I gathered up all of our flashlights including the cheap giveaway ones like this Mets flashlight.  I made sure they all had batteries, but one flashlight had a bad bulb even though I had plenty of C batteries to use in it. I thought of a way to make ...
By: ProfMuggs

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Sun, 9 Dec 2012 15:51:45 PST
Battery voltage monitor http://www.instructables.com/id/Battery-voltage-monitor/
Battery voltage monitor - More DIY How To Projects]]> http://cdn.instructables.com/FUN/UMKM/H9G15QG0/FUNUMKMH9G15QG0.SQUARE2.jpg http://cdn.instructables.com/FUN/UMKM/H9G15QG0/FUNUMKMH9G15QG0.SQUARE.jpg http://cdn.instructables.com/FUN/UMKM/H9G15QG0/FUNUMKMH9G15QG0.SMALL.jpg chunkyhampton This voltage monitor has been designed to remotely display battery voltage so that people monitor and maintain their batteries easily. It was designed for use on off-grid reneable energy systems (such as my solar PV system), but it would also be useful to anyone who has a lead-acid battery, such as ...
By: chunkyhampton

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Wed, 14 Nov 2012 03:43:59 PST
DIY LED Lanterns for Kids! http://www.instructables.com/id/DIY-LED-Lanterns-for-Kids/
DIY LED Lanterns for Kids! - More DIY How To Projects]]> http://cdn.instructables.com/FWI/OZ48/H8CVGCRW/FWIOZ48H8CVGCRW.SQUARE2.jpg http://cdn.instructables.com/FWI/OZ48/H8CVGCRW/FWIOZ48H8CVGCRW.SQUARE.jpg http://cdn.instructables.com/FWI/OZ48/H8CVGCRW/FWIOZ48H8CVGCRW.SMALL.jpg at0mbxmb Hi! Tools & Materials Recommended: *Lasercutter (or an xacto and very steady hand) *3D Printer *Basic Soldering Equipment *Durable string *Coloured Cellophane *Cardboard *Paint or Markers *Two-Sided Tape *Hot Glue *3 AAA batteries and holder *Switch *Custom LED Circuit There are three files atta...
By: at0mbxmb

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Wed, 17 Oct 2012 23:11:29 PDT
High Powered LED Solar Lighting System http://www.instructables.com/id/High-Powered-LED-Solar-Lighting-System/
High Powered LED Solar Lighting System - More DIY How To Projects]]> http://cdn.instructables.com/F9M/1SZ2/H6MF3970/F9M1SZ2H6MF3970.SQUARE2.jpg http://cdn.instructables.com/F9M/1SZ2/H6MF3970/F9M1SZ2H6MF3970.SQUARE.jpg http://cdn.instructables.com/F9M/1SZ2/H6MF3970/F9M1SZ2H6MF3970.SMALL.jpg JoshuaZimmerman While I love making proof of concept solar projects, or solar projects that I might use if the world comes to an end, I prefer to make solar projects that are useful in my day to day life.  (I love my solar FM radio, but I've never had the need to use it in an emergency situation) This past summer ...
By: JoshuaZimmerman

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Wed, 5 Sep 2012 22:28:30 PDT
The Ultimate Nerf Vulcan Mod http://www.instructables.com/id/The-Ultimate-Nerf-Vulcan-Mod/
The Ultimate Nerf Vulcan Mod - More DIY How To Projects]]> http://cdn.instructables.com/FB8/LK8Y/FPKFD274/FB8LK8YFPKFD274.SQUARE2.jpg http://cdn.instructables.com/FB8/LK8Y/FPKFD274/FB8LK8YFPKFD274.SQUARE.jpg http://cdn.instructables.com/FB8/LK8Y/FPKFD274/FB8LK8YFPKFD274.SMALL.jpg ManaEnergyPotion We made a NERF chaingun fire about as fast as a 7.62mm M60 Machine gun. That's around 500 rounds per minute (RPM). We did two major modifications, increasing the voltage to the firing motor, and adding a round counter and a paint job.The total cost on this hack was about $79 What You Need For thi...
By: ManaEnergyPotion

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Fri, 9 Jan 2009 09:17:28 PST
Color Changing Night Joule Thief http://www.instructables.com/id/Colour-Changing-Night-Joule-Thief/
Color Changing Night Joule Thief - More DIY How To Projects]]> http://cdn.instructables.com/FAD/RT0H/GYY8FVXP/FADRT0HGYY8FVXP.SQUARE2.jpg http://cdn.instructables.com/FAD/RT0H/GYY8FVXP/FADRT0HGYY8FVXP.SQUARE.jpg http://cdn.instructables.com/FAD/RT0H/GYY8FVXP/FADRT0HGYY8FVXP.SMALL.jpg ledartist I got this inquiry from a teacher who teaches high school kids electronics - can we have a cool kit like Aurora mini 18, in a simpler and more affordable format? I suggested Night Joule Thief, but the teacher felt that it wasn't sexy enough for the kids. (ur... you know what I mean.) So I combined ...
By: ledartist

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Wed, 22 Feb 2012 23:49:05 PST
Making A Simple Joule Thief (made easy) http://www.instructables.com/id/Making-A-Simple-Joule-Thief-made-easy/
Making A Simple Joule Thief (made easy) - More DIY How To Projects]]> http://cdn.instructables.com/F3G/UXVH/GWF5TL98/F3GUXVHGWF5TL98.SQUARE2.jpg http://cdn.instructables.com/F3G/UXVH/GWF5TL98/F3GUXVHGWF5TL98.SQUARE.jpg http://cdn.instructables.com/F3G/UXVH/GWF5TL98/F3GUXVHGWF5TL98.SMALL.jpg ASCAS Today I am showing you how to make a very simple joule thief. A joule thief has many applications, the best gadget that I made with was a "Water Powered Lamp", soon I'm going to post on a guide about it but first I need to post this guide. I used an iPhone 4S as my camera :)))  What Is A Joule Thi...
By: ASCAS

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Sat, 24 Dec 2011 06:27:52 PST
Joule Thief LED Night Light http://www.instructables.com/id/Joule-Thief-LED-Night-Light/
Joule Thief LED Night Light - More DIY How To Projects]]> http://cdn.instructables.com/FTU/DQTY/GS3BCE67/FTUDQTYGS3BCE67.SQUARE2.jpg http://cdn.instructables.com/FTU/DQTY/GS3BCE67/FTUDQTYGS3BCE67.SQUARE.jpg http://cdn.instructables.com/FTU/DQTY/GS3BCE67/FTUDQTYGS3BCE67.SMALL.jpg ledartist I have many used batteries around. Remote controls, cameras, many electronic gadgets all use batteries, mostly AA size. I always felt guilty for throwing away the used batteries. I know there are rechargeable batteries, but many electronics don't work well with rechargeables. I also know that t...
By: ledartist

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Fri, 2 Sep 2011 11:20:03 PDT
Mod your Green Lantern movie ring and make it glow! http://www.instructables.com/id/Mod-your-Green-Lantern-movie-ring-and-make-it-glow/
Mod your Green Lantern movie ring and make it glow! - More DIY How To Projects]]> http://cdn.instructables.com/FK5/C4FB/GQYGL8ZH/FK5C4FBGQYGL8ZH.SQUARE2.jpg http://cdn.instructables.com/FK5/C4FB/GQYGL8ZH/FK5C4FBGQYGL8ZH.SQUARE.jpg http://cdn.instructables.com/FK5/C4FB/GQYGL8ZH/FK5C4FBGQYGL8ZH.SMALL.jpg Honus When the Green Lantern movie came out earlier this year Toys R Us started selling a decent looking replica ring for only $10- here's how to make the ring look a bit more heroic by installing a LED and making it more accurate to the movie ring. It's a fair bit of work but for GL fans it's worth the ...
By: Honus

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Mon, 8 Aug 2011 00:05:16 PDT
Desktop energy seed lamp http://www.instructables.com/id/Table-top-energy-seed/
Desktop energy seed lamp - More DIY How To Projects]]> http://cdn.instructables.com/FUM/US73/FSFOIP2L/FUMUS73FSFOIP2L.SQUARE2.jpg http://cdn.instructables.com/FUM/US73/FSFOIP2L/FUMUS73FSFOIP2L.SQUARE.jpg http://cdn.instructables.com/FUM/US73/FSFOIP2L/FUMUS73FSFOIP2L.SMALL.jpg robomaniac Hello everyone,Today I will show you something very interesting. It is not a killing robot or skynet (not yet).It is a desktop ambiant light that use dead alkaline battery to power itself. This design can hold up to 15 batteries. It use a single joules thief circuit to power 50 LED! The idea came wh...
By: robomaniac

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Fri, 20 Mar 2009 12:26:43 PDT
The Juicy Lemon Light Pod http://www.instructables.com/id/The-Juicy-Lemon-Light-Pod/
The Juicy Lemon Light Pod - More DIY How To Projects]]> http://cdn.instructables.com/FLK/0DK4/GMIGFB0M/FLK0DK4GMIGFB0M.SQUARE2.jpg http://cdn.instructables.com/FLK/0DK4/GMIGFB0M/FLK0DK4GMIGFB0M.SQUARE.jpg http://cdn.instructables.com/FLK/0DK4/GMIGFB0M/FLK0DK4GMIGFB0M.SMALL.jpg Alexdlp This Instructable will show you how to make your own Juicy Lemon Light Pod! It is based upon the idea of the classic 'Lemon Battery', only this one's just a bit more special! The main features include: 3x Refillable Juice containers Use of the Joule Thief Circuit LED Extension / Flexible arm Re...
By: Alexdlp

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Sun, 17 Apr 2011 09:04:46 PDT
48V Electric Flat Tracker http://www.instructables.com/id/48V-Electric-Flat-Tracker/
48V Electric Flat Tracker - More DIY How To Projects]]> http://cdn.instructables.com/F3R/QMMH/FPIOLEVC/F3RQMMHFPIOLEVC.SQUARE2.jpg http://cdn.instructables.com/F3R/QMMH/FPIOLEVC/F3RQMMHFPIOLEVC.SQUARE.jpg http://cdn.instructables.com/F3R/QMMH/FPIOLEVC/F3RQMMHFPIOLEVC.SMALL.jpg Radioactive_Legos About a year ago, my dad and I had the idea to convert a beach cruiser bike into an electric motorcycle. We purchased the bike and all the parts necessary and got to work. We modified the frame and rebuilt the bike from the ground up. When we finished, we were extremely satisfied with the results...
By: Radioactive_Legos

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Sun, 4 Jan 2009 17:12:39 PST