http://www.instructables.com Sat, 18 May 2013 08:30:15 PDT BLOX v1.01 http://www.instructables.com/id/PowerTube-Vr-1/
PowerTube Vr. 1 for bicycle headlight - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FZC/6I4T/HGH6Q3O0/FZC6I4THGH6Q3O0.SQUARE2.jpg http://www.instructables.com/files/deriv/FZC/6I4T/HGH6Q3O0/FZC6I4THGH6Q3O0.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Sat, 11 May 2013 15:43:09 PDT http://www.instructables.com/id/High-efficiency-regulated-Joule-thief/
High efficiency regulated Joule thief - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FHR/2RDQ/HGH6JV9Q/FHR2RDQHGH6JV9Q.SQUARE2.jpg http://www.instructables.com/files/deriv/FHR/2RDQ/HGH6JV9Q/FHR2RDQHGH6JV9Q.SQUARE.jpg http://www.instructables.com/files/deriv/FHR/2RDQ/HGH6JV9Q/FHR2RDQHGH6JV9Q.SMALL.jpg Milen      Normally the Joule thief produces output voltage, which value is difficult to predict. Without load (the LED) I have measured voltages over 30 V. I wanted to create a Joule thief, which can be used to supply some small electronic devices, but having well defined and stable output voltage. There...
By: Milen

Continue Reading »]]> Thu, 9 May 2013 14:24:03 PDT http://www.instructables.com/id/simple-cheap-cool-waterproof-and-gummy-diy-batt/
simple, cheap, cool, waterproof and gummy diy battery holder - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F9L/0V8A/HF23N0FE/F9L0V8AHF23N0FE.SQUARE2.jpg http://www.instructables.com/files/deriv/F9L/0V8A/HF23N0FE/F9L0V8AHF23N0FE.SQUARE.jpg http://www.instructables.com/files/deriv/F9L/0V8A/HF23N0FE/F9L0V8AHF23N0FE.SMALL.jpg andrea biffi I know how many of you inventors have desired a versatile battery holder to power your projects, I know you can't sleep without that... so this strange accessory has born ;-) This gadget has a simple function, keep a battery inside, and yes you could buy an ordinary plastic black and impersonal batt...
By: andrea biffi

Continue Reading »]]> Thu, 11 Apr 2013 13:28:57 PDT http://www.instructables.com/id/The-Forever-Rechargeable-VARIABLE-Super-Capacitor-/
The Forever Rechargeable VARIABLE Super Capacitor Battery !!! - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FLM/E88Q/GJQEJNV4/FLME88QGJQEJNV4.SQUARE2.jpg http://www.instructables.com/files/deriv/FLM/E88Q/GJQEJNV4/FLME88QGJQEJNV4.SQUARE.jpg http://www.instructables.com/files/deriv/FLM/E88Q/GJQEJNV4/FLME88QGJQEJNV4.SMALL.jpg EngineeringShock Hi there! Welcome to my ENVIRONMENTALLY SAFE, FOREVER RECHARGEABLE SUPER CAPACITOR BATTERY PACK INSTRUCTABLE!!!  What's all the Hubbub, bub? This circuit acts as a never-dying, forever rechargeable battery.  If treated properly and with respect, it will live longer than you do! That's right! You wi...
By: EngineeringShock

Continue Reading »]]> Tue, 8 Feb 2011 17:38:09 PST 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://www.instructables.com/files/deriv/FB1/FGBI/HAVGJYI6/FB1FGBIHAVGJYI6.SQUARE2.jpg http://www.instructables.com/files/deriv/FB1/FGBI/HAVGJYI6/FB1FGBIHAVGJYI6.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Sat, 5 Jan 2013 16:07:15 PST http://www.instructables.com/id/How-to-Dove-Tail-Joint-a-Laser-Cut-Enclosure-Lip/
How to Dove-Tail Joint a Laser Cut Enclosure + Lipo Charger - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FT1/KE4S/HA4MNAK4/FT1KE4SHA4MNAK4.SQUARE2.jpg http://www.instructables.com/files/deriv/FT1/KE4S/HA4MNAK4/FT1KE4SHA4MNAK4.SQUARE.jpg http://www.instructables.com/files/deriv/FT1/KE4S/HA4MNAK4/FT1KE4SHA4MNAK4.SMALL.jpg Tomdf Laser cut boxes for project boxes are all over the place lately, but I've found that they often need a fair amount of hardware and complex designs to make them solid. This Instructable will show you how to make attractive and structurally sound project enclosures held together with dove-tail style j...
By: Tomdf

Continue Reading »]]> Mon, 10 Dec 2012 08:46:29 PST http://www.instructables.com/id/ScrapBatteryMoney/
Get Big Money for Scrap Batteries - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FG3/Y5IZ/FGFRD4YA/FG3Y5IZFGFRD4YA.SQUARE2.jpg http://www.instructables.com/files/deriv/FG3/Y5IZ/FGFRD4YA/FG3Y5IZFGFRD4YA.SQUARE.jpg http://www.instructables.com/files/deriv/FG3/Y5IZ/FGFRD4YA/FG3Y5IZFGFRD4YA.SMALL.jpg TimAnderson I just got paid $300 cash for two dozen old lead-acid batteries. Here's how.A lot of readers are asking: Where do I get dead batteries?:I mostly got these batteries by seeing and asking for them. New cars wreck batteries pretty quick because the car computer never really turns off. So if the car isn...
By: TimAnderson

Continue Reading »]]> Mon, 19 May 2008 18:21:18 PDT http://www.instructables.com/id/Battery-voltage-monitor/
Battery voltage monitor - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FUN/UMKM/H9G15QG0/FUNUMKMH9G15QG0.SQUARE2.jpg http://www.instructables.com/files/deriv/FUN/UMKM/H9G15QG0/FUNUMKMH9G15QG0.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Wed, 14 Nov 2012 03:43:59 PST http://www.instructables.com/id/Build-a-battery-pack-using-PVC-pipes/
Build a battery pack using PVC pipes - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FN1/Y5SH/H5TUB3AG/FN1Y5SHH5TUB3AG.SQUARE2.jpg http://www.instructables.com/files/deriv/FN1/Y5SH/H5TUB3AG/FN1Y5SHH5TUB3AG.SQUARE.jpg http://www.instructables.com/files/deriv/FN1/Y5SH/H5TUB3AG/FN1Y5SHH5TUB3AG.SMALL.jpg gabriellalevine Using a 1 1/4 PVC tube, make a D-cell battery pack for 7.2 V at 17,000 millamp hours. This is a nice tubular battery pack. This instructables was made at Tech Shop , visit techshop.ws Bill of Materials PVC pipe, 1 1/4" x 60cm in length 1 1/4" PVC pipe caps 1 1/4" test plugs 6 D-cell batteries w...
By: gabriellalevine

Continue Reading »]]> Sun, 19 Aug 2012 09:17:03 PDT http://www.instructables.com/id/Lithium-Polymer-Etiquette/
Lithium Polymer Etiquette: A Comprehensive Guide to Working with LiPo - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FSL/SFAB/H5TUC3PC/FSLSFABH5TUC3PC.SQUARE2.jpg http://www.instructables.com/files/deriv/FSL/SFAB/H5TUC3PC/FSLSFABH5TUC3PC.SQUARE.jpg http://www.instructables.com/files/deriv/FSL/SFAB/H5TUC3PC/FSLSFABH5TUC3PC.SMALL.jpg Radioactive_Legos In this Instructable I will be going over the basics of proper charging, discharging, handling, usage, storage, and care of lithium polymer batteries so you can use them safely and effectively in your future projects.  Now, this is by no means the be-all and end-all of information, and it's always i...
By: Radioactive_Legos

Continue Reading »]]> Mon, 13 Aug 2012 20:05:00 PDT http://www.instructables.com/id/Heat-Shrink-Coin-Button-Battery-Holder/
Heat Shrink Coin & Button Battery Holder - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FLM/JWVU/H4AFZSLV/FLMJWVUH4AFZSLV.SQUARE2.jpg http://www.instructables.com/files/deriv/FLM/JWVU/H4AFZSLV/FLMJWVUH4AFZSLV.SQUARE.jpg http://www.instructables.com/files/deriv/FLM/JWVU/H4AFZSLV/FLMJWVUH4AFZSLV.SMALL.jpg MattRoyer To power a DIY LED lab project for a group of inexperienced students, I was looking for an inexpensive, clean, and visually attractive solution to attach a Coin / Button battery to a LED circuit. After trial and error, I found the following method of heat shrinking wire leads onto the Coin / Button...
By: MattRoyer

Continue Reading »]]> Sat, 14 Jul 2012 00:01:47 PDT http://www.instructables.com/id/DIY-9V-Battery-Clip/ http://www.instructables.com/files/deriv/F47/0B7W/H4AGJH1R/F470B7WH4AGJH1R.SQUARE2.jpg http://www.instructables.com/files/deriv/F47/0B7W/H4AGJH1R/F470B7WH4AGJH1R.SQUARE.jpg http://www.instructables.com/files/deriv/F47/0B7W/H4AGJH1R/F470B7WH4AGJH1R.SMALL.jpg razvan_iycdi Hi, people! In this instruct able I will show you how to make a 9 volt battery clip out of... a 9V battery :)... and some wire. So, let's get started, shall we?
By: razvan_iycdi

Continue Reading »]]> Mon, 9 Jul 2012 18:01:05 PDT http://www.instructables.com/id/Make-a-cheap-disposable-camera-capacitor-bank/
Make a cheap disposable camera capacitor bank - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FPZ/2M76/H1JUJEYA/FPZ2M76H1JUJEYA.SQUARE2.jpg http://www.instructables.com/files/deriv/FPZ/2M76/H1JUJEYA/FPZ2M76H1JUJEYA.SQUARE.jpg http://www.instructables.com/files/deriv/FPZ/2M76/H1JUJEYA/FPZ2M76H1JUJEYA.SMALL.jpg Alex1M6 This instructable will show you have to make a simple capacitor bank and charger out of old disposable cameras that you can get for free at your local store. You can then use it for powering things such as coil guns or just blowing things up! See the second picture above? that was the spark created...
By: Alex1M6

Continue Reading »]]> Sat, 5 May 2012 08:20:34 PDT http://www.instructables.com/id/AA-Battery-Powered-Tesla-Coil/
AA Battery Powered "Tesla Coil" - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FIB/PUWJ/GPBDHUAQ/FIBPUWJGPBDHUAQ.SQUARE2.jpg http://www.instructables.com/files/deriv/FIB/PUWJ/GPBDHUAQ/FIBPUWJGPBDHUAQ.SQUARE.jpg http://www.instructables.com/files/deriv/FIB/PUWJ/GPBDHUAQ/FIBPUWJGPBDHUAQ.SMALL.jpg JoeBeau First things first: DISCLAIMER: I am not responsible for any injuries or property damage that may befall you from following this instructable. High voltage electricity can be DANGEROUS and should only be worked with at your own risk. Proper safety precautions should always be followed.  That out o...
By: JoeBeau

Continue Reading »]]> Wed, 6 Jul 2011 09:02:14 PDT http://www.instructables.com/id/4-Solar-Battery-Charger/
$4 Solar Battery Charger - More DIY How To Projects]]> http://cdn.instructables.com/F4F/52SG/GJQE8LQ1/F4F52SGGJQE8LQ1.SQUARE2.jpg http://cdn.instructables.com/F4F/52SG/GJQE8LQ1/F4F52SGGJQE8LQ1.SQUARE.jpg http://cdn.instructables.com/F4F/52SG/GJQE8LQ1/F4F52SGGJQE8LQ1.SMALL.jpg JoshuaZimmerman When I got into electrical circuits and solar power the first thing I wanted to do was build a little solar powered battery charger.  Only I had a heck of a time trying to find a simple and strait forward guide to doing this.   So in this guide I'll give you a bit of info on solar power and battery...
By: JoshuaZimmerman

Continue Reading »]]> Thu, 3 Feb 2011 21:27:59 PST http://www.instructables.com/id/Double-Capacity-MintyBoost-with-4-AA-Battery-Holde/
Double Capacity MintyBoost with 4-AA Battery Holder Modification - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F7B/LE9X/G5V2M1U0/F7BLE9XG5V2M1U0.SQUARE2.jpg http://www.instructables.com/files/deriv/F7B/LE9X/G5V2M1U0/F7BLE9XG5V2M1U0.SQUARE.jpg http://www.instructables.com/files/deriv/F7B/LE9X/G5V2M1U0/F7BLE9XG5V2M1U0.SMALL.jpg RoysterBot Need a highly portable USB power source that can be replenished with readily available, common batteries? The MintyBoost from adafruit Industries is an awesome little kit that nets you a USB charger that runs on 2 AA batteries. This is a great thing because AA batteries are available anywhere and t...
By: RoysterBot

Continue Reading »]]> Fri, 19 Feb 2010 10:58:09 PST http://www.instructables.com/id/How-to-build-a-Solar-Power-Station/
How to build a Solar Power Station - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FNB/YTP6/G0ZWKJ06/FNBYTP6G0ZWKJ06.SQUARE2.jpg http://www.instructables.com/files/deriv/FNB/YTP6/G0ZWKJ06/FNBYTP6G0ZWKJ06.SQUARE.jpg http://www.instructables.com/files/deriv/FNB/YTP6/G0ZWKJ06/FNBYTP6G0ZWKJ06.SMALL.jpg DIY Dave This Instructable is on how to build a battery power pack that charges from the sun. I built it this past summer to have a portable device that I could run and charge my  gadgets on. Wiring Diagram The first thing I did was draw a wiring diagram. The Parts Next I shopped around and purchased ...
By: DIY Dave

Continue Reading »]]> Tue, 20 Oct 2009 20:02:49 PDT http://www.instructables.com/id/Bring-Dead-Ni-Cad-Batteries-Back-To-Life/
Bring Dead Ni-Cad Batteries Back To Life - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FWR/2VXG/FNZAEJ8R/FWR2VXGFNZAEJ8R.SQUARE2.jpg http://www.instructables.com/files/deriv/FWR/2VXG/FNZAEJ8R/FWR2VXGFNZAEJ8R.SQUARE.jpg http://www.instructables.com/files/deriv/FWR/2VXG/FNZAEJ8R/FWR2VXGFNZAEJ8R.SMALL.jpg Plasmana Are you tired of having your Ni-Cad batteries that refused to charge and simply die?So what do you do with them when they die? Just throw them in the trash - which harms the environment? Or just take them to a recycling facility for them to be recycled?Well, here is the best solution, bring your dea...
By: Plasmana

Continue Reading »]]> Wed, 26 Nov 2008 12:31:08 PST