Instructables: exploring - technology - Battery - featured http://www.instructables.com Sun, 19 May 2013 14:43:21 PDT BLOX v1.01 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://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

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Sat, 11 May 2013 15:43:09 PDT
High efficiency regulated Joule thief 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

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Thu, 9 May 2013 14:24:03 PDT
Emergency Battery in the Wilderness http://www.instructables.com/id/Emergency-Battery-in-the-Wilderness/
Emergency Battery in the Wilderness - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F7F/XG7X/FWM6TAR3/F7FXG7XFWM6TAR3.SQUARE2.jpg http://www.instructables.com/files/deriv/F7F/XG7X/FWM6TAR3/F7FXG7XFWM6TAR3.SQUARE.jpg http://www.instructables.com/files/deriv/F7F/XG7X/FWM6TAR3/F7FXG7XFWM6TAR3.SMALL.jpg merijnvw Imagine this situation:You're camping in the wilderness. In the area where you have your tent, there live carnivorous man-eating scorpions which are active at night because they are afraid of light. So in the evening you are testing if your flashlight is still working, because you need it to scare o...
By: merijnvw

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Mon, 6 Jul 2009 17:01:59 PDT
How to extend your photobank life http://www.instructables.com/id/How-to-extend-your-photobank-life/
How to extend your photobank life - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FSE/V2TE/HF23RRWR/FSEV2TEHF23RRWR.SQUARE2.jpg http://www.instructables.com/files/deriv/FSE/V2TE/HF23RRWR/FSEV2TEHF23RRWR.SQUARE.jpg http://www.instructables.com/files/deriv/FSE/V2TE/HF23RRWR/FSEV2TEHF23RRWR.SMALL.jpg andrea biffi automatic translations in other languages: Italiano, Deutsch, Français, Español, Português, å,ž, CAA:89, "ž, Ií A photobank is an hard drive where you can copy your photos from any memory card. I've bought some of them for a few bucks, because lately the memory cards ...
By: andrea biffi

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Wed, 10 Apr 2013 09:15:23 PDT
simple, cheap, cool, waterproof and gummy diy battery holder 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

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Thu, 11 Apr 2013 13:28:57 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://www.instructables.com/files/deriv/FU1/SZPX/HEI4FD4F/FU1SZPXHEI4FD4F.SQUARE2.jpg http://www.instructables.com/files/deriv/FU1/SZPX/HEI4FD4F/FU1SZPXHEI4FD4F.SQUARE.jpg http://www.instructables.com/files/deriv/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
Wireless Air Horn http://www.instructables.com/id/Wireless-Air-Horn/
Wireless Air Horn - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F7U/LOLS/HE7DAYH2/F7ULOLSHE7DAYH2.SQUARE2.jpg http://www.instructables.com/files/deriv/F7U/LOLS/HE7DAYH2/F7ULOLSHE7DAYH2.SQUARE.jpg http://www.instructables.com/files/deriv/F7U/LOLS/HE7DAYH2/F7ULOLSHE7DAYH2.SMALL.jpg jdsachems19   This instructable is for a Wireless Air Horn. The air horn is a standard 12vdc car air horn and is powered with an 18V cordless drill battery. The air horn is wireless, this is made possible by a wireless winch receiver with a remote control also running on 12vdc. A relay is neccesary so that th...
By: jdsachems19

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Fri, 15 Mar 2013 17:30:38 PDT
Easy Battery Holder http://www.instructables.com/id/Easy-Battery-Holder/
Easy Battery Holder - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F9B/CVF8/HDOWA5IU/F9BCVF8HDOWA5IU.SQUARE2.jpg http://www.instructables.com/files/deriv/F9B/CVF8/HDOWA5IU/F9BCVF8HDOWA5IU.SQUARE.jpg http://www.instructables.com/files/deriv/F9B/CVF8/HDOWA5IU/F9BCVF8HDOWA5IU.SMALL.jpg sjroth This is an idea I came up with while I was making my previous Instructable. As I mentioned in there, my first version of the project did not work out very well at all, partially because I didn't have a proper battery holder. This simple, effortless idea would have helped me a lot.  Supplies All ...
By: sjroth

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Sat, 2 Mar 2013 02:03:43 PST
cheap and easy PSU for Canon EOS http://www.instructables.com/id/cheap-and-easy-PSU-for-Canon-EOS/
cheap and easy PSU for Canon EOS - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FWN/LXSC/HCJO55ZQ/FWNLXSCHCJO55ZQ.SQUARE2.jpg http://www.instructables.com/files/deriv/FWN/LXSC/HCJO55ZQ/FWNLXSCHCJO55ZQ.SQUARE.jpg http://www.instructables.com/files/deriv/FWN/LXSC/HCJO55ZQ/FWNLXSCHCJO55ZQ.SMALL.jpg andrea biffi I think lot of guys here on Instructables know how much satisfaction is obtained building a gadget entirely by ourselves, but... sometimes it could be a clever solution opting for some nice and ready accessory. I think this is one of these cases. I recently had the need to have a power supply for my...
By: andrea biffi

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Mon, 4 Feb 2013 09:57:24 PST
kiev light meter,considerate conversion to non special batterys http://www.instructables.com/id/kiev-light-meterconsiderate-conversion-to-non-spe/
kiev light meter,considerate conversion to non special batterys - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FXR/IA7N/HBXWS9BF/FXRIA7NHBXWS9BF.SQUARE2.jpg http://www.instructables.com/files/deriv/FXR/IA7N/HBXWS9BF/FXRIA7NHBXWS9BF.SQUARE.jpg http://www.instructables.com/files/deriv/FXR/IA7N/HBXWS9BF/FXRIA7NHBXWS9BF.SMALL.jpg crazyg inspired by the zenit apk,which has a external power imput, (it rinses batterys). i thought id apply it to my shiney new kiev, however i dont want to do anything nasty to it because its loveley,apart from its battery requirements.   what i used spair battery compartment cover a screw 2 rubber washe...
By: crazyg

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Sun, 20 Jan 2013 16:55:46 PST
Blackberry Battery Canon Camera Ring Light Hack http://www.instructables.com/id/Blackberry-Battery-Canon-Camera-Ring-Light-Hack/ http://www.instructables.com/files/deriv/F3P/MV6N/HC3PT1CI/F3PMV6NHC3PT1CI.SQUARE2.jpg http://www.instructables.com/files/deriv/F3P/MV6N/HC3PT1CI/F3PMV6NHC3PT1CI.SQUARE.jpg http://www.instructables.com/files/deriv/F3P/MV6N/HC3PT1CI/F3PMV6NHC3PT1CI.SMALL.jpg edy This is my first Instructables post. I apologize for the formatting issues. I wanted to put text in between the images but this only allows me to make boxes with captions on the images. I hopefully will learn how to layout better in the future. The images show 3 camera hacks as follows: 1. R...
By: edy

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Sun, 20 Jan 2013 18:49:52 PST
How to fix a slowly charging android smartphone + enhanced privacy http://www.instructables.com/id/How-to-fix-a-slow-charging-android-smartphone-enh/
How to fix a slowly charging android smartphone + enhanced privacy - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F5Y/G6B3/HBFFJODB/F5YG6B3HBFFJODB.SQUARE2.jpg http://www.instructables.com/files/deriv/F5Y/G6B3/HBFFJODB/F5YG6B3HBFFJODB.SQUARE.jpg http://www.instructables.com/files/deriv/F5Y/G6B3/HBFFJODB/F5YG6B3HBFFJODB.SMALL.jpg Punk Love Designs Hey all, time for the third Punk Love Designs Identification Contest! This one's a doozy but the prize this time is 1 year of Instructables.com pro service: A small collection of unusually colored white moss was found growing vigorously on three large rocks at the edge of/ in the stream running alo...
By: Punk Love Designs

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Mon, 7 Jan 2013 07:43:48 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://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

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Sat, 5 Jan 2013 16:07:15 PST
How to make a long term time-lapse http://www.instructables.com/id/How-to-make-a-long-term-time-lapse/
How to make a long term time-lapse - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FX4/J0C9/H9X3IYZ6/FX4J0C9H9X3IYZ6.SQUARE2.jpg http://www.instructables.com/files/deriv/FX4/J0C9/H9X3IYZ6/FX4J0C9H9X3IYZ6.SQUARE.jpg http://www.instructables.com/files/deriv/FX4/J0C9/H9X3IYZ6/FX4J0C9H9X3IYZ6.SMALL.jpg fpound A single, standard battery in a DSLR camera will suffice for making most time lapses- but, what if you want to capture a time lapse for a week, a month, or an entire season while being far removed from any source of power? Well, for a recent documentary called Watershed, produced by Kontent Films, ...
By: fpound

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Mon, 10 Dec 2012 13:22:16 PST
How to Dove-Tail Joint a Laser Cut Enclosure + Lipo Charger 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

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Mon, 10 Dec 2012 08:46:29 PST
Battery voltage monitor 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

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Wed, 14 Nov 2012 03:43:59 PST
$3 Emergency Solar Radio http://www.instructables.com/id/3-Emergency-Solar-Radio/
$3 Emergency Solar Radio - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F5F/U89B/GLFU0MLV/F5FU89BGLFU0MLV.SQUARE2.jpg http://www.instructables.com/files/deriv/F5F/U89B/GLFU0MLV/F5FU89BGLFU0MLV.SQUARE.jpg http://www.instructables.com/files/deriv/F5F/U89B/GLFU0MLV/F5FU89BGLFU0MLV.SMALL.jpg JoshuaZimmerman In honor of all my good friends still over in Japan I've decided to create an Instructable for a $3 Emergency Solar Radio.  It's a great thing in case of tsunami, nuclear melt down, or zombie invasion.  Plus it's really cute when put into an Altoids tin. My plan is to send this as a (slightly) joke...
By: JoshuaZimmerman

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Sun, 20 Mar 2011 10:25:29 PDT
Uses For Dead Car Batteries And Sealed Lead Acid Batteries http://www.instructables.com/id/Uses-For-Dead-Car-Batteries-And-Sealed-Lead-Acid-B/
Uses For Dead Car Batteries And Sealed Lead Acid Batteries - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F15/4VXS/H7997TQK/F154VXSH7997TQK.SQUARE2.jpg http://www.instructables.com/files/deriv/F15/4VXS/H7997TQK/F154VXSH7997TQK.SQUARE.jpg http://www.instructables.com/files/deriv/F15/4VXS/H7997TQK/F154VXSH7997TQK.SMALL.jpg luxstar Many “dead” car batteries are actually perfectly good batteries.  They just can no longer provide the hundreds of amps needed to start a car.  Many “dead” sealed lead acid batteries are actually un-dead batteries that can no longer reliably provide a couple of hundred watts of power needed to keep...
By: luxstar

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Mon, 24 Sep 2012 19:13:12 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://www.instructables.com/files/deriv/F9M/1SZ2/H6MF3970/F9M1SZ2H6MF3970.SQUARE2.jpg http://www.instructables.com/files/deriv/F9M/1SZ2/H6MF3970/F9M1SZ2H6MF3970.SQUARE.jpg http://www.instructables.com/files/deriv/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
Easy Conversion : AA to C (Or Any Other) Cell http://www.instructables.com/id/AA-to-C-Or-Any-Other-Cell-The-Easy-Way/ http://www.instructables.com/files/deriv/FU5/AOH7/H5Y9VJIT/FU5AOH7H5Y9VJIT.SQUARE2.jpg http://www.instructables.com/files/deriv/FU5/AOH7/H5Y9VJIT/FU5AOH7H5Y9VJIT.SQUARE.jpg http://www.instructables.com/files/deriv/FU5/AOH7/H5Y9VJIT/FU5AOH7H5Y9VJIT.SMALL.jpg Siddharth Jain Now, there are already many instructables for the same purpose, but, there isn't any this simple!!!.... After reading this, you shall be able to transform any cell type to any other cell type, given that the former is of the smaller size!!!...(I needed to transform an AA cell to C type for my wall ...
By: Siddharth Jain

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Sat, 18 Aug 2012 13:52:39 PDT
Build a battery pack using PVC pipes 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

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Sun, 19 Aug 2012 09:17:03 PDT
CR2032 Battery holder with switch http://www.instructables.com/id/CR2032-Battery-holder-with-switch/
CR2032 Battery holder with switch - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F4T/5S9A/H5TU9TSB/F4T5S9AH5TU9TSB.SQUARE2.jpg http://www.instructables.com/files/deriv/F4T/5S9A/H5TU9TSB/F4T5S9AH5TU9TSB.SQUARE.jpg http://www.instructables.com/files/deriv/F4T/5S9A/H5TU9TSB/F4T5S9AH5TU9TSB.SMALL.jpg Aik68 The purpose is to create a CR2032 battery holder water/dirt resistant with a power switch, using low cost or recycled material. In this way the battery can be easily installed near the hub of a bicycle wheel to feed LED lights fixed on spokes or on a crash helmet (I will illustrate these application...
By: Aik68

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Wed, 15 Aug 2012 08:47:41 PDT
Lithium Polymer Etiquette: A Comprehensive Guide to Working with LiPo 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

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Mon, 13 Aug 2012 20:05:00 PDT
Heat Shrink Coin & Button Battery Holder 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

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Sat, 14 Jul 2012 00:01:47 PDT
DIY 9V Battery Clip 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

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Mon, 9 Jul 2012 18:01:05 PDT
Powering Arduino with a Battery http://www.instructables.com/id/Powering-Arduino-with-a-Battery/ http://www.instructables.com/files/deriv/F69/PJOP/H4AGIV2W/F69PJOPH4AGIV2W.SQUARE2.jpg http://www.instructables.com/files/deriv/F69/PJOP/H4AGIV2W/F69PJOPH4AGIV2W.SQUARE.jpg http://www.instructables.com/files/deriv/F69/PJOP/H4AGIV2W/F69PJOPH4AGIV2W.SMALL.jpg amandaghassaei Make your Arduino projects portable by using a battery for power.  From the Uno and Mega documentation pages: "The board can operate on an external supply of 6 to 20 volts. If supplied with less than 7V, however, the 5V pin may supply less than five volts and the board may be unstable. If using mor...
By: amandaghassaei

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Fri, 6 Jul 2012 15:24:58 PDT
How to make a 3d Printed Cordless Drill Battery Adapter http://www.instructables.com/id/How-to-make-a-3d-Printed-Cordless-Drill-Battery-Ad/
How to make a 3d Printed Cordless Drill Battery Adapter - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FSB/RO9R/H1AH6UAL/FSBRO9RH1AH6UAL.SQUARE2.jpg http://www.instructables.com/files/deriv/FSB/RO9R/H1AH6UAL/FSBRO9RH1AH6UAL.SQUARE.jpg http://www.instructables.com/files/deriv/FSB/RO9R/H1AH6UAL/FSBRO9RH1AH6UAL.SMALL.jpg _mage_ One Sunday, as I was perusing the local trash and treasure market, I came across a box of old cordless tools. The guy mentioned the batteries "didn't hold much of a charge", an understatement if there ever was one as they were absolutely ratted.  It didn't worry me much as I figured I had 3 motors ...
By: _mage_

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Mon, 26 Mar 2012 06:25:42 PDT
Waterproof Solar Powered Boom Box http://www.instructables.com/id/Waterproof-Solar-Powered-Boom-Box/
Waterproof Solar Powered Boom Box - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FSG/ZIHD/H174KMP8/FSGZIHDH174KMP8.SQUARE2.jpg http://www.instructables.com/files/deriv/FSG/ZIHD/H174KMP8/FSGZIHDH174KMP8.SQUARE.jpg http://www.instructables.com/files/deriv/FSG/ZIHD/H174KMP8/FSGZIHDH174KMP8.SMALL.jpg noahw This is a go anywhere, power anything, music blasting stereo that will keep the party rocking even in the pouring rain.  Housed inside a waterproof, crushproof, kittenproof enclosure, this stereo uses a water resistant marine head unit, and water resistant marine component speakers.  It's powered by...
By: noahw

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Mon, 14 May 2012 14:32:13 PDT
Make a cheap disposable camera capacitor bank 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

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Sat, 5 May 2012 08:20:34 PDT
Wired control robot manual http://www.instructables.com/id/Wired-control-robot-manual-4x4/
Wired control robot manual - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FM1/2L0S/H19RQR7Q/FM12L0SH19RQR7Q.SQUARE2.jpg http://www.instructables.com/files/deriv/FM1/2L0S/H19RQR7Q/FM12L0SH19RQR7Q.SQUARE.jpg http://www.instructables.com/files/deriv/FM1/2L0S/H19RQR7Q/FM12L0SH19RQR7Q.SMALL.jpg Avadhut.Deshmukh Simple Wired  Robot Manual tethered by the control wired,wire 4x2 or 4x4 ! dc gear motor 300rpm-1000rpm ...racing 4x4,robot mod,robot wars fight !If you want to make a robot at your home, let me tell you this. There are basically five types of robots they are:- 1.LEVEL ONE ROBOT (wired robot with 2 ...
By: Avadhut.Deshmukh

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Sat, 21 Apr 2012 07:59:21 PDT
Miss Betsy's Rechargable Steampunk Solar Nightlight http://www.instructables.com/id/Miss-Betsys-Rechargable-Steampunk-Solar-Nightligh/
Miss Betsy's Rechargable Steampunk Solar Nightlight - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FYS/X0OJ/H0GGYJ0G/FYSX0OJH0GGYJ0G.SQUARE2.jpg http://www.instructables.com/files/deriv/FYS/X0OJ/H0GGYJ0G/FYSX0OJH0GGYJ0G.SQUARE.jpg http://www.instructables.com/files/deriv/FYS/X0OJ/H0GGYJ0G/FYSX0OJH0GGYJ0G.SMALL.jpg MissBetsy Do you have some old solar garden light that quit working, got run over by the lawn mower or the plastic / metal parts are dull and broken? The chances are good that you can salvage the solar cell and the electronics and repurpose it just as I did. Basically you don't even need the electronics if yo...
By: MissBetsy

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Sat, 31 Mar 2012 07:04:19 PDT
Camera Battery Adapter http://www.instructables.com/id/Camera-Battery-Adapter/
Camera Battery Adapter - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FZU/3GX3/GX51873L/FZU3GX3GX51873L.SQUARE2.jpg http://www.instructables.com/files/deriv/FZU/3GX3/GX51873L/FZU3GX3GX51873L.SQUARE.jpg http://www.instructables.com/files/deriv/FZU/3GX3/GX51873L/FZU3GX3GX51873L.SMALL.jpg DerekMellott I built this adapter in order to add larger battery capacity for prolonged time lapse shooting, it will work for adding battery hours to your camera or anything at a fraction of the price of commercial options.  Be aware that messing around with electricity can be dangerous to you and your equipm...
By: DerekMellott

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Fri, 16 Mar 2012 08:12:15 PDT
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://www.instructables.com/files/deriv/FAD/RT0H/GYY8FVXP/FADRT0HGYY8FVXP.SQUARE2.jpg http://www.instructables.com/files/deriv/FAD/RT0H/GYY8FVXP/FADRT0HGYY8FVXP.SQUARE.jpg http://www.instructables.com/files/deriv/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
Solar Lamp Hack to run off wall power! http://www.instructables.com/id/Solar-Lamp-Hack-to-run-off-wall-power/
Solar Lamp Hack to run off wall power! - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FW5/GWJC/GXDWP5N9/FW5GWJCGXDWP5N9.SQUARE2.jpg http://www.instructables.com/files/deriv/FW5/GWJC/GXDWP5N9/FW5GWJCGXDWP5N9.SQUARE.jpg http://www.instructables.com/files/deriv/FW5/GWJC/GXDWP5N9/FW5GWJCGXDWP5N9.SMALL.jpg alpe_97 This Ikea Solar Lamp, that I bought at Ikea, has a solar pack that charges batteries to power the 16 LEDs inside. This is very bright, but what if the batteries died and there is no sun because it is cloudy outside or for some other reason? Well now you can plug it in and it will run off the main su...
By: alpe_97

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Sun, 15 Jan 2012 17:30:31 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://www.instructables.com/files/deriv/F3G/UXVH/GWF5TL98/F3GUXVHGWF5TL98.SQUARE2.jpg http://www.instructables.com/files/deriv/F3G/UXVH/GWF5TL98/F3GUXVHGWF5TL98.SQUARE.jpg http://www.instructables.com/files/deriv/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
Wall (mains) Power for an Olympus E-510 http://www.instructables.com/id/Wall-mains-Power-for-an-Olympus-E-510Lin/
Wall (mains) Power for an Olympus E-510 - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FYN/2UJO/GUI4VYCZ/FYN2UJOGUI4VYCZ.SQUARE2.jpg http://www.instructables.com/files/deriv/FYN/2UJO/GUI4VYCZ/FYN2UJOGUI4VYCZ.SQUARE.jpg http://www.instructables.com/files/deriv/FYN/2UJO/GUI4VYCZ/FYN2UJOGUI4VYCZ.SMALL.jpg txoof Learn how to build an AC/DC interface for an Olympus E-510. Unfortunately, Olympus didn't bother to make an AC/DC adapter for the Olympus E-510 camera. This typically isn't a problem as you can just tool around with a bag full of fresh batteries. It does become an issue if you decide to use your ca...
By: txoof

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Wed, 2 Nov 2011 11:25:33 PDT
DC Brush Motor for Learning Fun http://www.instructables.com/id/DC-Brush-Motor-for-Learning-Fun/
DC Brush Motor for Learning Fun - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F79/XG6B/GUCF4PPE/F79XG6BGUCF4PPE.SQUARE2.jpg http://www.instructables.com/files/deriv/F79/XG6B/GUCF4PPE/F79XG6BGUCF4PPE.SQUARE.jpg http://www.instructables.com/files/deriv/F79/XG6B/GUCF4PPE/F79XG6BGUCF4PPE.SMALL.jpg Phil B A friend has a young son who is newly fascinated by motors and electrical things. This Instructable replicates a DC electric demonstration motor I made about two decades ago for my own children. It is offered here for the sake of parents and teachers like my friend who want to help young people buil...
By: Phil B

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Sat, 29 Oct 2011 13:41:04 PDT
Sweet n' Salty Capacitor http://www.instructables.com/id/Sweet-n-Salty-Capacitor/
Sweet n' Salty Capacitor - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FAG/5SMO/GUBPG6U9/FAG5SMOGUBPG6U9.SQUARE2.jpg http://www.instructables.com/files/deriv/FAG/5SMO/GUBPG6U9/FAG5SMOGUBPG6U9.SQUARE.jpg http://www.instructables.com/files/deriv/FAG/5SMO/GUBPG6U9/FAG5SMOGUBPG6U9.SMALL.jpg emdaniels I started this experiment attempting to create a low voltage non-toxic battery that would be easy to make and carry around. I may yet do this but for now I've created a capacitor, which is a electrical component used to store energy in an electric field. I chose to make the housing or shell out of h...
By: emdaniels

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Fri, 28 Oct 2011 17:45:04 PDT
Make an inexpensive Lithium-Ion Battery Pack http://www.instructables.com/id/Make-an-inexpensive-Lithium-Ion-Battery-Pack/
Make an inexpensive Lithium-Ion Battery Pack - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F3X/Q3KF/GTQVP3VM/F3XQ3KFGTQVP3VM.SQUARE2.jpg http://www.instructables.com/files/deriv/F3X/Q3KF/GTQVP3VM/F3XQ3KFGTQVP3VM.SQUARE.jpg http://www.instructables.com/files/deriv/F3X/Q3KF/GTQVP3VM/F3XQ3KFGTQVP3VM.SMALL.jpg Noblenutria I started this project out of a desire to keep my phone working on long bike tours. I needed a lightweight, inexpensive battery to put on my touring bike. Unfortunately, the lithium battery I needed costs 200 dollars new. Add a charger and powersupply and that's another 100 dollars. Batteryspace is ...
By: Noblenutria

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Fri, 21 Oct 2011 14:03:59 PDT
Make a USB iPhone iPod Charger On The Cheap! http://www.instructables.com/id/Make-a-USB-iPhone-iPod-Charger-On-The-Cheep/
Make a USB iPhone iPod Charger On The Cheap! - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FZW/ZWNY/GSUSMKOY/FZWZWNYGSUSMKOY.SQUARE2.jpg http://www.instructables.com/files/deriv/FZW/ZWNY/GSUSMKOY/FZWZWNYGSUSMKOY.SQUARE.jpg http://www.instructables.com/files/deriv/FZW/ZWNY/GSUSMKOY/FZWZWNYGSUSMKOY.SMALL.jpg matt.e.jenkins There are many designs for iPhone chargers out there and many are confusing or use parts that are hard to find.  My design uses parts that are easy to find, is tested works with all iPhones and iPods (as of this posting), and just works.  It is a fun and useful project.  I made one a few years ago ...
By: matt.e.jenkins

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Mon, 10 Oct 2011 14:46:29 PDT
Battery Powered Portable VU Meter http://www.instructables.com/id/Battery-Powered-Portable-VU-Meter/
Battery Powered Portable VU Meter - More DIY How To Projects]]> http://cdn.instructables.com/F3S/IH6L/F3ER7W0U/F3SIH6LF3ER7W0U.SQUARE2.jpg http://cdn.instructables.com/F3S/IH6L/F3ER7W0U/F3SIH6LF3ER7W0U.SQUARE.jpg http://cdn.instructables.com/F3S/IH6L/F3ER7W0U/F3SIH6LF3ER7W0U.SMALL.jpg Vlorbschnat What follows are instructions for constructing a battery powered portable VU meter, as well as detailed instructions for the construction of the PCB needed to complete this project. It was designed to illuminate from 0-10 LEDs depending on ambient sound levels. I designed it to be attached to a wris...
By: Vlorbschnat

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Sat, 30 Jun 2007 03:22:26 PDT
Solar Stereo http://www.instructables.com/id/Solar-Stereo/
Solar Stereo - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FV5/A4QW/GS3BDI0P/FV5A4QWGS3BDI0P.SQUARE2.jpg http://www.instructables.com/files/deriv/FV5/A4QW/GS3BDI0P/FV5A4QWGS3BDI0P.SQUARE.jpg http://www.instructables.com/files/deriv/FV5/A4QW/GS3BDI0P/FV5A4QWGS3BDI0P.SMALL.jpg DIY Dave This instructable shows how to make a solar stereo, an ipod amplifier that's powered by the sun. Why Solar? I decided to make a solar stereo because I needed a stereo I could use around the house without AC power. Unlike portable stereos sold in stores, this stereo never requires new batteries. T...
By: DIY Dave

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Sat, 3 Sep 2011 07:44:38 PDT
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://www.instructables.com/files/deriv/FTU/DQTY/GS3BCE67/FTUDQTYGS3BCE67.SQUARE2.jpg http://www.instructables.com/files/deriv/FTU/DQTY/GS3BCE67/FTUDQTYGS3BCE67.SQUARE.jpg http://www.instructables.com/files/deriv/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
Joule Thief Battery Charger http://www.instructables.com/id/Joule-Thief-Battery-Charger/
Joule Thief Battery Charger - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FEB/9TP3/GRTHMK03/FEB9TP3GRTHMK03.SQUARE2.jpg http://www.instructables.com/files/deriv/FEB/9TP3/GRTHMK03/FEB9TP3GRTHMK03.SQUARE.jpg http://www.instructables.com/files/deriv/FEB/9TP3/GRTHMK03/FEB9TP3GRTHMK03.SMALL.jpg JoeBeau Many of you are probably aware of the "joule thief" circuit. If you aren't, it's a very simple voltage booster that is normally used to power an LED off of a mostly dead AA battery, but it can be used for other applications where a voltage boost is needed. One such application is charging a battery ...
By: JoeBeau

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Mon, 29 Aug 2011 11:19:16 PDT
Portable 12V notebook stand workstation for garage or shop http://www.instructables.com/id/Portable-12V-notebook-workstation-for-garage-or-sh/
Portable 12V notebook stand workstation for garage or shop - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F16/YYLJ/GRFMV5Q4/F16YYLJGRFMV5Q4.SQUARE2.jpg http://www.instructables.com/files/deriv/F16/YYLJ/GRFMV5Q4/F16YYLJGRFMV5Q4.SQUARE.jpg http://www.instructables.com/files/deriv/F16/YYLJ/GRFMV5Q4/F16YYLJGRFMV5Q4.SMALL.jpg Royale with Cheese I spend lots of time in the garage but waste lots of time going to the house for internet searches, parts lists, how-to instructions etc.  I needed a portable laptop stand that I could roll around next to my project of the day, but the battery in the old laptop I bought for this purpose is shot and ...
By: Royale with Cheese

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Fri, 19 Aug 2011 20:46:37 PDT
Solar powered Reverse Trike http://www.instructables.com/id/Solar-powered-Vehicle/
Solar powered Reverse Trike - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FEA/6Y8K/GQYGKK1L/FEA6Y8KGQYGKK1L.SQUARE2.jpg http://www.instructables.com/files/deriv/FEA/6Y8K/GQYGKK1L/FEA6Y8KGQYGKK1L.SQUARE.jpg http://www.instructables.com/files/deriv/FEA/6Y8K/GQYGKK1L/FEA6Y8KGQYGKK1L.SMALL.jpg farrukh khan SOLAR POWERED REVERSE TRIKE Designed and built in just 18 days at the University of Engineering and Technology Lahore in Pakistan,  7 x 3.5 x 4.5 ft (2.13 x 1.06 x 1.37 meter), 132 pound (60 kg) low-rider features a custom built, t-shaped aluminum framework at the front of the vehicle, and the ba...
By: farrukh khan

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Sat, 16 Jul 2011 09:59:47 PDT
AA Battery Powered "Tesla Coil" 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

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Wed, 6 Jul 2011 09:02:14 PDT
Battery Reconditioner http://www.instructables.com/id/Battery-Reconditioner/
Battery Reconditioner - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FT1/V5IB/GP7IS34W/FT1V5IBGP7IS34W.SQUARE2.jpg http://www.instructables.com/files/deriv/FT1/V5IB/GP7IS34W/FT1V5IBGP7IS34W.SQUARE.jpg http://www.instructables.com/files/deriv/FT1/V5IB/GP7IS34W/FT1V5IBGP7IS34W.SMALL.jpg msuzuki777 So if you are like this Lazy Old Geek, you have a lot of rechargeable batteries lying around. I wrote another Instructable with some battery tips. http://www.instructables.com/id/Rechargeable-Battery-Tips/ Amongst these batteries, I have a lot that no longer work or don’t work very well. So I d...
By: msuzuki777

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Wed, 22 Jun 2011 15:42:55 PDT
Solar Altoids iPhone/ iPod Charger http://www.instructables.com/id/Solar-Altoids-iPhone-iPod-Charger/
Solar Altoids iPhone/ iPod Charger - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FJP/ZRC0/GOZIPDN2/FJPZRC0GOZIPDN2.SQUARE2.jpg http://www.instructables.com/files/deriv/FJP/ZRC0/GOZIPDN2/FJPZRC0GOZIPDN2.SQUARE.jpg http://www.instructables.com/files/deriv/FJP/ZRC0/GOZIPDN2/FJPZRC0GOZIPDN2.SMALL.jpg JoshuaZimmerman I love my iPhone 4 to death.  I really do.  Even if it sucks juice faster than a 1st grader at snack time and I often find myself on low power with a long train ride ahead of me. I originally made my Altoids USB Charger to use with my iPhone, only to find that Apple being Apple doesn't let it's pr...
By: JoshuaZimmerman

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Thu, 16 Jun 2011 10:17:02 PDT
PROJECTION BOMBING http://www.instructables.com/id/PROJECTION-BOMBING/
PROJECTION BOMBING - More DIY How To Projects]]> http://cdn.instructables.com/FQK/RIE6/X2CEPD7QX62/FQKRIE6X2CEPD7QX62.SQUARE2.jpg http://cdn.instructables.com/FQK/RIE6/X2CEPD7QX62/FQKRIE6X2CEPD7QX62.SQUARE.jpg http://cdn.instructables.com/FQK/RIE6/X2CEPD7QX62/FQKRIE6X2CEPD7QX62.SMALL.jpg fi5e A tutorial by The Graffiti Research Lab, the Eyebeam OpenLab and Paul Notzold.Outdoor digital projection in urban environments is a great method for getting your content up big before the eyes and in the minds of your fellow city inhabitants. This tutorial comes out of trial and error and it works. ...
By: fi5e

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Mon, 17 Jul 2006 22:11:45 PDT