Instructables: exploring - technology - battery - popular http://www.instructables.com Thu, 3 Sep 2015 12:31:02 PDT BLOX v1.01 Powerfull Portable Bluetooth Speaker 2x5W http://www.instructables.com/id/Powerfull-Portable-Bluetooth-Speaker-2x5W/
Powerfull Portable Bluetooth Speaker 2x5W - More DIY How To Projects]]> http://cdn.instructables.com/FU5/IPKB/IDTAXQ8I/FU5IPKBIDTAXQ8I.SQUARE2.jpg http://cdn.instructables.com/FU5/IPKB/IDTAXQ8I/FU5IPKBIDTAXQ8I.SQUARE.jpg http://cdn.instructables.com/FU5/IPKB/IDTAXQ8I/FU5IPKBIDTAXQ8I.SMALL.jpg bartroosen Bluetooth SpeakerMake your own powerfull Bluetooth Speaker with some extra features, easy explained, cheap and handy to use for less then 15$. Maybe you have some components which you don't need to buy like 5W speakers and some lithium batteries to make it less expensive like I did. In the following...
By: bartroosen

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Thu, 27 Aug 2015 02:01:15 PDT
How to save battery on iPod touch/iPhone http://www.instructables.com/id/How-to-save-battery-on-iPod-touchiPhone/
How to save battery on iPod touch/iPhone - More DIY How To Projects]]> http://cdn.instructables.com/F0V/T2AI/GXDJ40NZ/F0VT2AIGXDJ40NZ.SQUARE2.jpg http://cdn.instructables.com/F0V/T2AI/GXDJ40NZ/F0VT2AIGXDJ40NZ.SQUARE.jpg http://cdn.instructables.com/F0V/T2AI/GXDJ40NZ/F0VT2AIGXDJ40NZ.SMALL.jpg cool knex13 Hello cool knex13 here. Have you got a iPod touch or a iPhone. Don't just hate it when you run out of battery fast well I will show you 14 great battery tips. Down forget to rate. Leave a comment and tell me how I did. Soon I will ad more great battery tips! :) Closing down apps 1. What most...
By: cool knex13

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Fri, 13 Jan 2012 11:43:04 PST
DIY Portable Bluetooth Speaker 30W, BT4.0, Passive Radiators http://www.instructables.com/id/DIY-Bluetooth-Speaker-30W-BT40-Passive-Radiators/
DIY Portable Bluetooth Speaker 30W, BT4.0, Passive Radiators - More DIY How To Projects]]> http://cdn.instructables.com/FTP/6LZE/IDM03MJI/FTP6LZEIDM03MJI.SQUARE2.jpg http://cdn.instructables.com/FTP/6LZE/IDM03MJI/FTP6LZEIDM03MJI.SQUARE.jpg http://cdn.instructables.com/FTP/6LZE/IDM03MJI/FTP6LZEIDM03MJI.SMALL.jpg Barry_L Hey everybody! So in this tutorial I'm going to show you exactly how I built this (true) 30W RMS portable bluetooth speaker! Parts for this speaker can be optained pretty easily and cheaply, and there will be links provided to everything needed. First off, here are some specs and features: Bluetooth...
By: Barry_L

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Sat, 22 Aug 2015 10:42:27 PDT
Emergency Apocalypse cell phone BATTERY EXTENDED X4 http://www.instructables.com/id/Emergency-Apocalypse-cell-phone-BATTERY-EXTENDED-X/
Emergency Apocalypse cell phone BATTERY EXTENDED X4 - More DIY How To Projects]]> http://cdn.instructables.com/FZH/KE6O/IDK2MI6S/FZHKE6OIDK2MI6S.SQUARE2.jpg http://cdn.instructables.com/FZH/KE6O/IDK2MI6S/FZHKE6OIDK2MI6S.SQUARE.jpg http://cdn.instructables.com/FZH/KE6O/IDK2MI6S/FZHKE6OIDK2MI6S.SMALL.jpg kmaikaza We all know that the biggest problem after being affected by a natural disaster or a Zombie Apocalypse , is loss of the electric grid. And all phones specially new ones have short battery life of 8h if we are realistic. All cellphone towers have backup generators or battery banks enabling them to ...
By: kmaikaza

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Thu, 20 Aug 2015 15:21:47 PDT
Easily recharge alkaline batteries! http://www.instructables.com/id/Easily-recharge-alkaline-batteries/
Easily recharge alkaline batteries! - More DIY How To Projects]]> http://cdn.instructables.com/FOI/4SXP/FHTAIQX4/FOI4SXPFHTAIQX4.SQUARE2.jpg http://cdn.instructables.com/FOI/4SXP/FHTAIQX4/FOI4SXPFHTAIQX4.SQUARE.jpg http://cdn.instructables.com/FOI/4SXP/FHTAIQX4/FOI4SXPFHTAIQX4.SMALL.jpg CalcProgrammer1 Did you know that you can recharge alkaline batteries? Well, they're not perfect (don't have very good recharge capacity, few recharge cycles, etc) but you can recharge them to an extent. Many people have developed fancy charging circuits, but I was able to get charge into some Alkaline batteries ...
By: CalcProgrammer1

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Mon, 23 Jun 2008 22:51:37 PDT
Obstacle Avoiding Robot http://www.instructables.com/id/Arduino-Ultimate-Obstacle-Avoiding-Robot/
Obstacle Avoiding Robot - More DIY How To Projects]]> http://cdn.instructables.com/FOH/SENN/I5S2FEXR/FOHSENNI5S2FEXR.SQUARE2.jpg http://cdn.instructables.com/FOH/SENN/I5S2FEXR/FOHSENNI5S2FEXR.SQUARE.jpg http://cdn.instructables.com/FOH/SENN/I5S2FEXR/FOHSENNI5S2FEXR.SMALL.jpg RoyPeer This instructable is the written version of my "Arduino: How To Build An Obstacle Avoiding Robot" Youtube video that I've uploaded recently. I strongly recommend you to check it out.So, without further ado, Let's get started ! A chassis ! the first step and the base of any robot is a chassis. ...
By: RoyPeer

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Thu, 5 Feb 2015 13:15:37 PST
Testing batteries with multimeter http://www.instructables.com/id/Testing-batteries-with-multimeter/
Testing batteries with multimeter - More DIY How To Projects]]> http://cdn.instructables.com/F0K/MMDS/HN825MBO/F0KMMDSHN825MBO.SQUARE2.jpg http://cdn.instructables.com/F0K/MMDS/HN825MBO/F0KMMDSHN825MBO.SQUARE.jpg http://cdn.instructables.com/F0K/MMDS/HN825MBO/F0KMMDSHN825MBO.SMALL.jpg mmmmqc Find out how much power is left in your batteries using a multimeter. Here I test AA batteries but you can test AAA and other size batteries. This was done using the multimeter device at TechShop San Jose. They have an electronics workstation with multimeters, soldering iron and other tools for wor...
By: mmmmqc

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Sun, 27 Oct 2013 01:42:17 PDT
DIY SOLAR LI ION/ LIPO BATTERY CHARGER http://www.instructables.com/id/DIY-SOLAR-LI-ION-LIPO-BATTERY-CHARGER/
DIY SOLAR LI ION/ LIPO BATTERY CHARGER - More DIY How To Projects]]> http://cdn.instructables.com/FP4/60MK/ICYN1ZRN/FP460MKICYN1ZRN.SQUARE2.jpg http://cdn.instructables.com/FP4/60MK/ICYN1ZRN/FP460MKICYN1ZRN.SQUARE.jpg http://cdn.instructables.com/FP4/60MK/ICYN1ZRN/FP460MKICYN1ZRN.SMALL.jpg deba168 Imagine you are a gadget lover or hobbyist /tinkerer or RC enthusiast and you are going for a camping or outing .Your smart phone/MP3 player battery run out,you have taken a RC Quad Copter,but not able to fly for a long time. So you definitely need a good charger to charge the battery. Am I right ?...
By: deba168

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Mon, 3 Aug 2015 08:11:37 PDT
Dark Sensor ( light sensor / automatic street light ) http://www.instructables.com/id/Dark-Sensor-light-sensor-automatic-street-light-/
Dark Sensor ( light sensor / automatic street light ) - More DIY How To Projects]]> http://cdn.instructables.com/FEL/R1P1/HQJZSZ83/FELR1P1HQJZSZ83.SQUARE2.jpg http://cdn.instructables.com/FEL/R1P1/HQJZSZ83/FELR1P1HQJZSZ83.SQUARE.jpg http://cdn.instructables.com/FEL/R1P1/HQJZSZ83/FELR1P1HQJZSZ83.SMALL.jpg Er Varun Goyal Here is my new simple Electronics project about  Automatic Street Light Control System or Dark Sensor. it is a simple and powerful concept , which uses transistor ( BC 547 NPN) as a switch to switch ON and OFF the street light system automatically . It automatically switches ON lights when the sunl...
By: Er Varun Goyal

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Fri, 27 Dec 2013 07:48:26 PST
Solar Battery Charger http://www.instructables.com/id/Solar-Battery-Charger2/
Solar Battery Charger - More DIY How To Projects]]> http://cdn.instructables.com/FJ5/TZR1/ICRXYHPI/FJ5TZR1ICRXYHPI.SQUARE2.jpg http://cdn.instructables.com/FJ5/TZR1/ICRXYHPI/FJ5TZR1ICRXYHPI.SQUARE.jpg http://cdn.instructables.com/FJ5/TZR1/ICRXYHPI/FJ5TZR1ICRXYHPI.SMALL.jpg foolishandforgetful Why buy a battery charger when you can make a solar powered one?Things you’ll need:Solar panel (I used a 3V / 250mA one)Used up rechargeable batteries (I used 1 AA and 1AAA)Mint tin (I’ll be using a herbal candy tin)Some wires1 AA battery box x 11 AAA battery box x 11N4148 diode2.5mm female plug2.5m...
By: foolishandforgetful

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Mon, 3 Aug 2015 11:44:58 PDT
Change a watch battery without tools http://www.instructables.com/id/Change-a-watch-battery-with-more-than-simple-tools/
Change a watch battery without tools - More DIY How To Projects]]> http://cdn.instructables.com/FRP/7CI0/GE7LBHRS/FRP7CI0GE7LBHRS.SQUARE2.jpg http://cdn.instructables.com/FRP/7CI0/GE7LBHRS/FRP7CI0GE7LBHRS.SQUARE.jpg http://cdn.instructables.com/FRP/7CI0/GE7LBHRS/FRP7CI0GE7LBHRS.SMALL.jpg WYN soldier For this instructable, I inspired myself of all those watches battery changing tutorials videos because they all have a tool in comon : The screwdriver for watches. I thought that it was useless to buy that tool.All you need is :-a watch with a back you can unscrew ( like in the picture )-a pair of ...
By: WYN soldier

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Sat, 18 Sep 2010 12:30:54 PDT
Powering Arduino with a Battery http://www.instructables.com/id/Powering-Arduino-with-a-Battery/
Powering Arduino with a Battery - More DIY How To Projects]]> http://cdn.instructables.com/F69/PJOP/H4AGIV2W/F69PJOPH4AGIV2W.SQUARE2.jpg http://cdn.instructables.com/F69/PJOP/H4AGIV2W/F69PJOPH4AGIV2W.SQUARE.jpg http://cdn.instructables.com/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
DIY Lead Acid Battery Charger http://www.instructables.com/id/DIY-Lead-Acid-Battery-Charger/
DIY Lead Acid Battery Charger - More DIY How To Projects]]> http://cdn.instructables.com/FU2/PORG/3EQEV2Z8AVH/FU2PORG3EQEV2Z8AVH.SQUARE2.jpg http://cdn.instructables.com/FU2/PORG/3EQEV2Z8AVH/FU2PORG3EQEV2Z8AVH.SQUARE.jpg http://cdn.instructables.com/FU2/PORG/3EQEV2Z8AVH/FU2PORG3EQEV2Z8AVH.SMALL.jpg DoveP Actually this could be used to charge any sort of battery where you want a constant current and a constant voltage. In this instructable I will take you through the whole process to producing a final boxed system. It will take an input from any AC/DC adapter with a jack. You simply have to make su...
By: DoveP

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Tue, 12 Dec 2006 14:23:10 PST
How to make a powerful water battery http://www.instructables.com/id/How-to-make-a-powerful-water-battery/
How to make a powerful water battery - More DIY How To Projects]]> http://cdn.instructables.com/FLX/LEB2/FT7PUEIA/FLXLEB2FT7PUEIA.SQUARE2.jpg http://cdn.instructables.com/FLX/LEB2/FT7PUEIA/FLXLEB2FT7PUEIA.SQUARE.jpg http://cdn.instructables.com/FLX/LEB2/FT7PUEIA/FLXLEB2FT7PUEIA.SMALL.jpg JimJong In this Instructable I will explain how to make a powerful battery that runs on rain water! This battery is environmentally friendly because it can run on rain water.It still needs the metals. Distilled water will NOT work, it has to be conductive. Whenever it runs out of power you just have to drai...
By: JimJong

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Sat, 18 Apr 2009 02:05:04 PDT
Restoring/Recharging over-discharged LiPo (Lithium Polymer) batteries! http://www.instructables.com/id/Restoring-over-discharged-LiPo-Lithium-Polymer-bat/
Restoring/Recharging over-discharged LiPo (Lithium Polymer) batteries! - More DIY How To Projects]]> http://cdn.instructables.com/FQY/7XI4/I15L4RJ6/FQY7XI4I15L4RJ6.SQUARE2.jpg http://cdn.instructables.com/FQY/7XI4/I15L4RJ6/FQY7XI4I15L4RJ6.SQUARE.jpg http://cdn.instructables.com/FQY/7XI4/I15L4RJ6/FQY7XI4I15L4RJ6.SMALL.jpg panther3001 LiPo batteries should never be discharged below 3.0V/cell, or it may permanently damage them. Many chargers don't even allow you to charge a LiPo battery below 2.5V/cell. So, if you accidentally run your plane/car too long, you don't have your low voltage cutoff set properly in the ESC (Electronic...
By: panther3001

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Wed, 5 Mar 2014 19:55:22 PST
Raspberry Pi powered by batteries http://www.instructables.com/id/Raspberry-Pi-powered-by-battery/
Raspberry Pi powered by batteries - More DIY How To Projects]]> http://cdn.instructables.com/FB4/8X7G/ICG2DKWG/FB48X7GICG2DKWG.SQUARE2.jpg http://cdn.instructables.com/FB4/8X7G/ICG2DKWG/FB48X7GICG2DKWG.SQUARE.jpg http://cdn.instructables.com/FB4/8X7G/ICG2DKWG/FB48X7GICG2DKWG.SMALL.jpg The DocDoc In this instructable I will show you how to properly supply power to a Raspberry Pi or Pi 2 with a battery pack or any voltage between 2.9 -32 volts DC. I will be using a efficient Pololu Step-Up/Step-Down Voltage Regulator and a toggle switch.This can be done with any Raspberry pi version. Using a ...
By: The DocDoc

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Thu, 23 Jul 2015 16:00:36 PDT
DIY Battery Pack for FPV (recycling 18650 cells from a laptop) http://www.instructables.com/id/DIY-Battery-Pack-for-Quadcopter-recycling-18650-ce/
DIY Battery Pack for FPV (recycling 18650 cells from a laptop) - More DIY How To Projects]]> http://cdn.instructables.com/FEY/SYPD/IC37EQ4A/FEYSYPDIC37EQ4A.SQUARE2.jpg http://cdn.instructables.com/FEY/SYPD/IC37EQ4A/FEYSYPDIC37EQ4A.SQUARE.jpg http://cdn.instructables.com/FEY/SYPD/IC37EQ4A/FEYSYPDIC37EQ4A.SMALL.jpg comsa42 Old laptop cells can hold a charge long after your laptop goes kaput. Here's how to recycle those cells to make a general-purpose battery pack!This battery pack is good for things like RC planes, quadcopters, FPV, and more (if your cells have the correct C rating)! It has a nominal voltage of 11.1v ...
By: comsa42

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Tue, 14 Jul 2015 15:39:27 PDT
Make Your Own Rechargeable Battery http://www.instructables.com/id/Make-Your-Own-Rechargable-Battery/
Make Your Own Rechargeable Battery - More DIY How To Projects]]> http://cdn.instructables.com/FUV/HB27/IBL6A5S4/FUVHB27IBL6A5S4.SQUARE2.jpg http://cdn.instructables.com/FUV/HB27/IBL6A5S4/FUVHB27IBL6A5S4.SQUARE.jpg http://cdn.instructables.com/FUV/HB27/IBL6A5S4/FUVHB27IBL6A5S4.SMALL.jpg Gursimran Singh 425 Batteries. Needed for just about every electronic project, electronics revolve around them. But think about it, What happens once they lose their power?We throw them aside. These batteries are building up in our landfills, so I set myself to find out how to reuse them.This project is very environmen...
By: Gursimran Singh 425

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Thu, 2 Jul 2015 01:22:32 PDT
Make Your Own DIY Battery http://www.instructables.com/id/Make-Your-Own-DIY-Battery/
Make Your Own DIY Battery - More DIY How To Projects]]> http://cdn.instructables.com/FK6/LOS8/IBAN28WI/FK6LOS8IBAN28WI.SQUARE2.jpg http://cdn.instructables.com/FK6/LOS8/IBAN28WI/FK6LOS8IBAN28WI.SQUARE.jpg http://cdn.instructables.com/FK6/LOS8/IBAN28WI/FK6LOS8IBAN28WI.SMALL.jpg Gursimran Singh 425 This project is very environmentally beneficial, as it takes a dead battery and turns them into a new one, preventing the creation of electronic waste. The possibilities are endless on this concept (stronger batteries, tiny batteries) and just think of what it would be like if everyone on this plane...
By: Gursimran Singh 425

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Thu, 25 Jun 2015 01:58:28 PDT
Getting Started with IntelĀ® Edison Mini Breakout Board http://www.instructables.com/id/Getting-Started-with-Intel-Edison-Mini-Breakout-Bo/
Getting Started with IntelĀ® Edison Mini Breakout Board - More DIY How To Projects]]> http://cdn.instructables.com/F4I/CX0R/IB22N3R3/F4ICX0RIB22N3R3.SQUARE2.jpg http://cdn.instructables.com/F4I/CX0R/IB22N3R3/F4ICX0RIB22N3R3.SQUARE.jpg http://cdn.instructables.com/F4I/CX0R/IB22N3R3/F4ICX0RIB22N3R3.SMALL.jpg MikeArduino Intel provides 2 different hardware platforms to work with Intel® Edison development board. The core module of Intel® Edison is called Intel® Edison Compute Module, while the 2 extension boards are called Intel® Edison Arduino Board and Intel® Edison Breakout Board respectively. We’ll refer to the...
By: MikeArduino

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Fri, 19 Jun 2015 06:28:05 PDT
12/24 volt Wind Turbine Power Station - Starts charging batteries in 2mph winds http://www.instructables.com/id/1224-volt-Wind-Turbine-Power-Station-Starts-chargi/
12/24 volt Wind Turbine Power Station - Starts charging batteries in 2mph winds - More DIY How To Projects]]> http://cdn.instructables.com/F38/SCKW/IANRWFMA/F38SCKWIANRWFMA.SQUARE2.jpg http://cdn.instructables.com/F38/SCKW/IANRWFMA/F38SCKWIANRWFMA.SQUARE.jpg http://cdn.instructables.com/F38/SCKW/IANRWFMA/F38SCKWIANRWFMA.SMALL.jpg TheBettaGarden This instructable shows how to build a complete standalone 12/24 volt Wind Powered Electrical Generator using old computer parts, a bike wheel, some wood, a coil and miscellaneous brackets and screws. Please vote for this project :)After reading the following article on how well a bike wheel could w...
By: TheBettaGarden

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Mon, 8 Jun 2015 17:59:19 PDT
How to make a Bluetooth Speaker http://www.instructables.com/id/How-to-make-a-Bluetooth-Speaker/
How to make a Bluetooth Speaker - More DIY How To Projects]]> http://cdn.instructables.com/FN3/XTNC/IAJNYBFE/FN3XTNCIAJNYBFE.SQUARE2.jpg http://cdn.instructables.com/FN3/XTNC/IAJNYBFE/FN3XTNCIAJNYBFE.SQUARE.jpg http://cdn.instructables.com/FN3/XTNC/IAJNYBFE/FN3XTNCIAJNYBFE.SMALL.jpg Constructed Hi, Welcome to my instructable!Today Ill teach you how to build a DIY Bluetooth speaker. Its extremely easy to make, and great for anyone learning electronics. The best part is you dont need any past experience with electronics! This project is great to practice your soldering skills (Mine clearly n...
By: Constructed

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Mon, 8 Jun 2015 07:25:21 PDT
Simple Polarity Checker http://www.instructables.com/id/Simple-Polarity-Checker/
Simple Polarity Checker - More DIY How To Projects]]> http://cdn.instructables.com/FPI/IDE7/IAGMT4LQ/FPIIDE7IAGMT4LQ.SQUARE2.jpg http://cdn.instructables.com/FPI/IDE7/IAGMT4LQ/FPIIDE7IAGMT4LQ.SQUARE.jpg http://cdn.instructables.com/FPI/IDE7/IAGMT4LQ/FPIIDE7IAGMT4LQ.SMALL.jpg Salman Naveed Ever encountered difficulty in knowing if you've connected the wires right? Tired of pulling out your multimeter every time? Need something more compact and simpler to help you out? If you do, then this Instructable is for you!Read on to learn how to make a very simple, handy and useful polarity che...
By: Salman Naveed

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Thu, 4 Jun 2015 07:48:20 PDT
Make A Joule Thief Coil Without A Ferrite Toroid http://www.instructables.com/id/Make-A-Joule-Thief-Coil-Without-A-Ferrite-Toroid/
Make A Joule Thief Coil Without A Ferrite Toroid - More DIY How To Projects]]> http://cdn.instructables.com/FI7/PB2Z/IAG0Q3VE/FI7PB2ZIAG0Q3VE.SQUARE2.jpg http://cdn.instructables.com/FI7/PB2Z/IAG0Q3VE/FI7PB2ZIAG0Q3VE.SQUARE.jpg http://cdn.instructables.com/FI7/PB2Z/IAG0Q3VE/FI7PB2ZIAG0Q3VE.SMALL.jpg El Mano There are many different articles and videos to be found online that will teach you how to build a Joule Thief circuit and power LEDs off of dead batteries. Most of them, however, call for some form of coil made using a ring, or toroid, made of ferrite. This can be rather daunting to newcomers to ...
By: El Mano

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Wed, 3 Jun 2015 16:06:41 PDT
Portable Bluetooth Boomcase http://www.instructables.com/id/Portable-Bluetooth-Boomcase/
Portable Bluetooth Boomcase - More DIY How To Projects]]> http://cdn.instructables.com/FQO/FNT3/IA3V2EIP/FQOFNT3IA3V2EIP.SQUARE2.jpg http://cdn.instructables.com/FQO/FNT3/IA3V2EIP/FQOFNT3IA3V2EIP.SQUARE.jpg http://cdn.instructables.com/FQO/FNT3/IA3V2EIP/FQOFNT3IA3V2EIP.SMALL.jpg oleys Hello,The Boomcase is a vintage suitcase converted into a boomcase, It has two woofers and two tweeters. The case is powered by one lead acid battery.The boomcase can be charged via a 230V power supply. The amplifier delivers 15 watts of power per channel, and has a connector for an external sub...
By: oleys

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Mon, 25 May 2015 05:29:37 PDT
WIFI Battery Monitor System - ESP8266 http://www.instructables.com/id/WIFI-Battery-Monitor-System-ESP8266/
WIFI Battery Monitor System - ESP8266 - More DIY How To Projects]]> http://cdn.instructables.com/FAW/PV3U/I9UE25NX/FAWPV3UI9UE25NX.SQUARE2.jpg http://cdn.instructables.com/FAW/PV3U/I9UE25NX/FAWPV3UI9UE25NX.SQUARE.jpg http://cdn.instructables.com/FAW/PV3U/I9UE25NX/FAWPV3UI9UE25NX.SMALL.jpg TrackerJ One of the main problem in battery powered projects is to choose/use the proper battery size/model/type. As market is flooded now with a lot of low quality batteries claiming thousands of mAh ( Ultrafire fakes stories is just an example) the only way to proper check them is to run a set of test...
By: TrackerJ

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Wed, 20 May 2015 01:35:07 PDT
REUSE YOUR OLD LAPTOP BATTERY TO MAKE A POWER BANK http://www.instructables.com/id/REUSE-YOUR-OLD-LAPTOP-BATTERY-TO-MAKE-A-POWER-BANK/
REUSE YOUR OLD LAPTOP BATTERY TO MAKE A POWER BANK - More DIY How To Projects]]> http://cdn.instructables.com/FWS/CJ1V/I9V6O782/FWSCJ1VI9V6O782.SQUARE2.jpg http://cdn.instructables.com/FWS/CJ1V/I9V6O782/FWSCJ1VI9V6O782.SQUARE.jpg http://cdn.instructables.com/FWS/CJ1V/I9V6O782/FWSCJ1VI9V6O782.SMALL.jpg deba168 Few months ago my Dell laptop battery did not work.Whenever I unplug it from main AC supply,the laptop switched off immediately.After few days of frustration, I replaced the battery and kept the dead one (as per my laptop message) for tinkering.I was curious what I would find inside it.Then I go thr...
By: deba168

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Tue, 19 May 2015 10:20:21 PDT
Keyring Phone Charger http://www.instructables.com/id/Keyring-Phone-Charger/
Keyring Phone Charger - More DIY How To Projects]]> http://cdn.instructables.com/F91/C9VM/I9FGXR3C/F91C9VMI9FGXR3C.SQUARE2.jpg http://cdn.instructables.com/F91/C9VM/I9FGXR3C/F91C9VMI9FGXR3C.SQUARE.jpg http://cdn.instructables.com/F91/C9VM/I9FGXR3C/F91C9VMI9FGXR3C.SMALL.jpg ShakeTheFuture In this Instructable, I made a simple keyring charger.It can charge your phone's battery with a standard 9v battery.If you ever travel and find that your battery is dying, just get a 9v battery and use your keyring to charge your phone.For this project you'll need:Car's USB chargerMicro USB to USB a...
By: ShakeTheFuture

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Sat, 9 May 2015 14:53:56 PDT
Arduino Battery Voltage Indicator http://www.instructables.com/id/Arduino-Battery-Voltage-Indicator/
Arduino Battery Voltage Indicator - More DIY How To Projects]]> http://cdn.instructables.com/FCP/Y49E/I9FGR18V/FCPY49EI9FGR18V.SQUARE2.jpg http://cdn.instructables.com/FCP/Y49E/I9FGR18V/FCPY49EI9FGR18V.SQUARE.jpg http://cdn.instructables.com/FCP/Y49E/I9FGR18V/FCPY49EI9FGR18V.SMALL.jpg chienline When we are using a battery powered Arduino such as RC robots or Temperature Controller, we might want to check the battery voltage if it needs to be charged or replaced. It happens to me with my RC Panzer. Sometimes when my kids are about to run it, it moves very slow, low battery. Then they are di...
By: chienline

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Fri, 8 May 2015 03:32:41 PDT
DIY Penny Battery http://www.instructables.com/id/DIY-Penny-Battery/
DIY Penny Battery - More DIY How To Projects]]> http://cdn.instructables.com/FBW/I4KL/I99R60TD/FBWI4KLI99R60TD.SQUARE2.jpg http://cdn.instructables.com/FBW/I4KL/I99R60TD/FBWI4KLI99R60TD.SQUARE.jpg http://cdn.instructables.com/FBW/I4KL/I99R60TD/FBWI4KLI99R60TD.SMALL.jpg bobdabiulder So, here is a simple way to make a low powered battery for under a dollar. Getting the stuff ready You need:5 american* pennies w/ dates between 1945ish - 1980. I'm not sure if "wheat pennies" work.Tin foilCardboardA cup of vinegar - Salt water works too, just not nearly as well. * - According ...
By: bobdabiulder

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Mon, 4 May 2015 17:51:06 PDT
Simple Miniature Joule Thief http://www.instructables.com/id/Simple-Miniature-Joufe-Thief/
Simple Miniature Joule Thief - More DIY How To Projects]]> http://cdn.instructables.com/F4G/K5D7/I9E1DWQR/F4GK5D7I9E1DWQR.SQUARE2.jpg http://cdn.instructables.com/F4G/K5D7/I9E1DWQR/F4GK5D7I9E1DWQR.SQUARE.jpg http://cdn.instructables.com/F4G/K5D7/I9E1DWQR/F4GK5D7I9E1DWQR.SMALL.jpg Petrstep Hello, this is my first instructable and I'm going to show you how you can make a very small joule thief circuit that you can fit anywhere and can be used to power LEDs or any other device with nearly dead batteries. This simple circuit works from voltages as low as 0,5V. Parts list Tools:solderi...
By: Petrstep

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Thu, 7 May 2015 12:27:35 PDT
64x16 RED LED Marquee http://www.instructables.com/id/64x16-RED-LED-Marquee/
64x16 RED LED Marquee - More DIY How To Projects]]> http://cdn.instructables.com/FJV/50YF/I9CLVEWV/FJV50YFI9CLVEWV.SQUARE2.jpg http://cdn.instructables.com/FJV/50YF/I9CLVEWV/FJV50YFI9CLVEWV.SQUARE.jpg http://cdn.instructables.com/FJV/50YF/I9CLVEWV/FJV50YFI9CLVEWV.SMALL.jpg Tustin High T-Tech The purpose of this small scale LED marquee is to display messages to our classroom in a more modern and centralized way. In the classroom, this construction would save white board space and is convenient because it can store a large amount of information. It is also fairly simple to program and has...
By: Tustin High T-Tech

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Wed, 6 May 2015 10:13:32 PDT
Maggie the Simple Electromagnet! http://www.instructables.com/id/Maggie-the-Electromagnet/
Maggie the Simple Electromagnet! - More DIY How To Projects]]> http://cdn.instructables.com/FQK/O9GZ/I9B6HD0U/FQKO9GZI9B6HD0U.SQUARE2.jpg http://cdn.instructables.com/FQK/O9GZ/I9B6HD0U/FQKO9GZI9B6HD0U.SQUARE.jpg http://cdn.instructables.com/FQK/O9GZ/I9B6HD0U/FQKO9GZI9B6HD0U.SMALL.jpg The Oakland Toy Lab Maggie sure puts the FUN in the four FUNdamental forces. This project is a great introduction to electromagnetism, the force that not only helps pick up squished cars in junkyard wars, but is also responsible for a lot of the properties of matter in everyday life. Get enough electrons flowing via yo...
By: The Oakland Toy Lab

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Tue, 5 May 2015 16:10:53 PDT
RC Transmitter $5 Battery Pack http://www.instructables.com/id/RC-Transmitter-5-Battery-Pack/
RC Transmitter $5 Battery Pack - More DIY How To Projects]]> http://cdn.instructables.com/FE1/J1DY/I93FG2NV/FE1J1DYI93FG2NV.SQUARE2.jpg http://cdn.instructables.com/FE1/J1DY/I93FG2NV/FE1J1DYI93FG2NV.SQUARE.jpg http://cdn.instructables.com/FE1/J1DY/I93FG2NV/FE1J1DYI93FG2NV.SMALL.jpg Khaleel123 I got tired of taking out and putting in 8 AA batteries in my flysky FS-T6 transmitter every time I went out to use it. So I decided to make a single pack that is rechargeable and can be swapped in and out easily. This Mod will only work on transmitters that use (12volts) 8 AA or 8 AAA batteries. ...
By: Khaleel123

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Sat, 2 May 2015 00:05:03 PDT
Wire Maze! http://www.instructables.com/id/Wire-Maze/
Wire Maze! - More DIY How To Projects]]> http://cdn.instructables.com/F4F/V1YF/I8YBOJHB/F4FV1YFI8YBOJHB.SQUARE2.jpg http://cdn.instructables.com/F4F/V1YF/I8YBOJHB/F4FV1YFI8YBOJHB.SQUARE.jpg http://cdn.instructables.com/F4F/V1YF/I8YBOJHB/F4FV1YFI8YBOJHB.SMALL.jpg The Oakland Toy Lab If you loved the game "Operation" as a kid, and want to continue on your path of supreme hand-eye coordination, give this buzzing electronics project a try. What's great is you can change the path every time, anywhere from novice post-bac medical school applicant to the manual dexterity of Dr. Octop...
By: The Oakland Toy Lab

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Mon, 27 Apr 2015 14:49:37 PDT
battery clip LED tester. http://www.instructables.com/id/battery-clip-LED-tester/
battery clip LED tester. - More DIY How To Projects]]> http://cdn.instructables.com/F4H/1YEB/I8OBDUAP/F4H1YEBI8OBDUAP.SQUARE2.jpg http://cdn.instructables.com/F4H/1YEB/I8OBDUAP/F4H1YEBI8OBDUAP.SQUARE.jpg http://cdn.instructables.com/F4H/1YEB/I8OBDUAP/F4H1YEBI8OBDUAP.SMALL.jpg louisc2 have you ever put together a circuit and after finishing you find your LED doesn't work? well with this Instructable that will never happen again! I present to you the Battery clip LED tester. Components: Components: female header pins 1k resistorperfboard9v battery clipTools: soldering ironsolde...
By: louisc2

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Sun, 19 Apr 2015 06:09:38 PDT
Circuit Tiles! http://www.instructables.com/id/Circuit-Tiles/
Circuit Tiles! - More DIY How To Projects]]> http://cdn.instructables.com/FCI/WTYJ/I8K13MM4/FCIWTYJI8K13MM4.SQUARE2.jpg http://cdn.instructables.com/FCI/WTYJ/I8K13MM4/FCIWTYJI8K13MM4.SQUARE.jpg http://cdn.instructables.com/FCI/WTYJ/I8K13MM4/FCIWTYJI8K13MM4.SMALL.jpg The Oakland Toy Lab For all the wee Edisons and Teslas to be, circuit tiles are the best! These are a great way to introduce people to circuits in a fun, ridiculous, iterative way. This is great for just one person exploring or an entire class working together. And your collection can keep growing over time! It's like ...
By: The Oakland Toy Lab

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Thu, 16 Apr 2015 11:29:11 PDT
Projects from an Old Casette Player http://www.instructables.com/id/Projects-from-an-Old-Casette-Player/
Projects from an Old Casette Player - More DIY How To Projects]]> http://cdn.instructables.com/F70/0MZL/I8H6AYXA/F700MZLI8H6AYXA.SQUARE2.jpg http://cdn.instructables.com/F70/0MZL/I8H6AYXA/F700MZLI8H6AYXA.SQUARE.jpg http://cdn.instructables.com/F70/0MZL/I8H6AYXA/F700MZLI8H6AYXA.SMALL.jpg Imetomi Hi! Did you ever thought that you can build many gagdets from an old electronic device? Yes, maybe. Now I'll show you that what can build from an old casette player/radio. I made an FM transmitter bug and a wind turbine battery charger. The most of the parts are from the casette player. I only neede...
By: Imetomi

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Wed, 15 Apr 2015 04:42:12 PDT
Solar powered air conditioning unit. http://www.instructables.com/id/Solar-powered-air-conditioning-unit/
Solar powered air conditioning unit. - More DIY How To Projects]]> http://cdn.instructables.com/FH0/6RUS/IAP6XEL3/FH06RUSIAP6XEL3.SQUARE2.jpg http://cdn.instructables.com/FH0/6RUS/IAP6XEL3/FH06RUSIAP6XEL3.SQUARE.jpg http://cdn.instructables.com/FH0/6RUS/IAP6XEL3/FH06RUSIAP6XEL3.SMALL.jpg Mjtrinihobby Most people would like to have their homes cooled by the strength of sunlight which ironically causes heat. How to achieve energy efficient cooling of your abode by harnessing sunlight? I have successfully implemented a solar powered air conditioning unit for my living room which has been working gr...
By: Mjtrinihobby

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Tue, 14 Apr 2015 16:46:55 PDT
DIY Constant current load http://www.instructables.com/id/DIY-Constant-current-load/
DIY Constant current load - More DIY How To Projects]]> http://cdn.instructables.com/FMQ/1I87/I8BGG1YE/FMQ1I87I8BGG1YE.SQUARE2.jpg http://cdn.instructables.com/FMQ/1I87/I8BGG1YE/FMQ1I87I8BGG1YE.SQUARE.jpg http://cdn.instructables.com/FMQ/1I87/I8BGG1YE/FMQ1I87I8BGG1YE.SMALL.jpg GreatScottLab In this small project I will show you how to make a simple adjustable constant current load. Such a gadget is useful if you want to measure the capacity of chinese Li-Ion batteries. Or you can test how stable your power supply is with a certain load. Let's get started ! Watch the video! The video...
By: GreatScottLab

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Fri, 10 Apr 2015 07:50:09 PDT
Foam RC Plane Building Guide http://www.instructables.com/id/Foam-RC-Plane-Building-Guide/
Foam RC Plane Building Guide - More DIY How To Projects]]> http://cdn.instructables.com/FOQ/9AQV/I88LQDUB/FOQ9AQVI88LQDUB.SQUARE2.jpg http://cdn.instructables.com/FOQ/9AQV/I88LQDUB/FOQ9AQVI88LQDUB.SQUARE.jpg http://cdn.instructables.com/FOQ/9AQV/I88LQDUB/FOQ9AQVI88LQDUB.SMALL.jpg Dhipak Bala **All of my RC and robotics projects can be found here: https://projectinkerer.wordpress.com/**At this project's inception, I was inspired to design and build an inexpensive RC plane that I could fly for enjoyment and perhaps in the future stick a camera on. As an aspiring engineer, the idea of buil...
By: Dhipak Bala

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Thu, 9 Apr 2015 20:27:33 PDT
Super Capacitor Battery for Mouse http://www.instructables.com/id/Super-Capacitor-Battery-for-Mouse/
Super Capacitor Battery for Mouse - More DIY How To Projects]]> http://cdn.instructables.com/FWH/94OK/I84BCN44/FWH94OKI84BCN44.SQUARE2.jpg http://cdn.instructables.com/FWH/94OK/I84BCN44/FWH94OKI84BCN44.SQUARE.jpg http://cdn.instructables.com/FWH/94OK/I84BCN44/FWH94OKI84BCN44.SMALL.jpg nomierinies Let's make unlimited times and quickly chargeable Supercapacitor battery for mouse. What we need:Supercapacitor (I use 5.5v 1F but bigger is better)Wires & stuffVoltage regulator (In my case 1.5v 1A because my mouse work on one AAA battery)Power supply 5.5v (I use this adjustable from ebay) Sc...
By: nomierinies

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Mon, 6 Apr 2015 11:00:35 PDT
Cellphone Charger http://www.instructables.com/id/Cellphone-Charger/
Cellphone Charger - More DIY How To Projects]]> http://cdn.instructables.com/FZV/FFYV/I7XQYGJ7/FZVFFYVI7XQYGJ7.SQUARE2.jpg http://cdn.instructables.com/FZV/FFYV/I7XQYGJ7/FZVFFYVI7XQYGJ7.SQUARE.jpg http://cdn.instructables.com/FZV/FFYV/I7XQYGJ7/FZVFFYVI7XQYGJ7.SMALL.jpg hobbyman As the functions of cell phones increased astronomically, so their power requirements. Nowadays a clever :) phone which is purchased new can hardly stand working for 1-2 days and their endurance even decreases as the battery inside wears down as it gets older. So many people are buying and using bat...
By: hobbyman

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Tue, 31 Mar 2015 13:35:56 PDT
How to Protect any 18650 Cell http://www.instructables.com/id/How-to-Protect-any-18650-Cell/
How to Protect any 18650 Cell - More DIY How To Projects]]> http://cdn.instructables.com/FL7/B3B3/I7MXISX5/FL7B3B3I7MXISX5.SQUARE2.jpg http://cdn.instructables.com/FL7/B3B3/I7MXISX5/FL7B3B3I7MXISX5.SQUARE.jpg http://cdn.instructables.com/FL7/B3B3/I7MXISX5/FL7B3B3I7MXISX5.SMALL.jpg Imetomi In this instructable I'll show you a very useful life hack that is used to protect any 18650 cell. You can make it only with an old cell phone battery and with some wires. The Lithium ion batteries that are used in phones have a build in protection circuit, that automatically turns off if the voltag...
By: Imetomi

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Thu, 26 Mar 2015 10:58:28 PDT
the glowing egg http://www.instructables.com/id/Why-only-one-color/
the glowing egg - More DIY How To Projects]]> http://cdn.instructables.com/FCZ/V1BD/I88LLQVK/FCZV1BDI88LLQVK.SQUARE2.jpg http://cdn.instructables.com/FCZ/V1BD/I88LLQVK/FCZV1BDI88LLQVK.SQUARE.jpg http://cdn.instructables.com/FCZ/V1BD/I88LLQVK/FCZV1BDI88LLQVK.SMALL.jpg Thorsten Singer Thank You !!!so suprising for me, just get to the final with my glowig egg. Thanks to everyone here at instructables I can't belive just go so far with one of my projects. Hope I can show you more nice, funny, cracy, .... stuff soon.Just have to say Thank You to everyone who has voted for me...........
By: Thorsten Singer

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Wed, 25 Mar 2015 10:49:12 PDT
World First 9v Battery that can be Recharged from a USB Port http://www.instructables.com/id/1st-9v-Battery-that-can-be-recharged-from-a-USB-Po/
World First 9v Battery that can be Recharged from a USB Port - More DIY How To Projects]]> http://cdn.instructables.com/F6M/C2M1/I6ZTFSJ6/F6MC2M1I6ZTFSJ6.SQUARE2.jpg http://cdn.instructables.com/F6M/C2M1/I6ZTFSJ6/F6MC2M1I6ZTFSJ6.SQUARE.jpg http://cdn.instructables.com/F6M/C2M1/I6ZTFSJ6/F6MC2M1I6ZTFSJ6.SMALL.jpg Imetomi The 9v batteries are very often used in electronics, example: programmable circuits, robots and etc... But they have a very huge problem, theirs capacity is low and the rechargeable 9v batteries needs at least 9.5v to charge them up. I thought much time about this project because would be an importa...
By: Imetomi

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Tue, 10 Mar 2015 07:32:50 PDT
Flashlight batteries from laptop battery http://www.instructables.com/id/Flashlight-batteries-from-laptop-battery/
Flashlight batteries from laptop battery - More DIY How To Projects]]> http://cdn.instructables.com/FPH/V53R/I6UNA2YF/FPHV53RI6UNA2YF.SQUARE2.jpg http://cdn.instructables.com/FPH/V53R/I6UNA2YF/FPHV53RI6UNA2YF.SQUARE.jpg http://cdn.instructables.com/FPH/V53R/I6UNA2YF/FPHV53RI6UNA2YF.SMALL.jpg mandamados Use the cells from an old laptop battery to power a flashlight The flashlight battery The old laptop battery The old laptop battery. Open the plastic cover and remove the cells Cut the cells Cut the cells with wire-cutter Voltage testing Test the voltage of the cells and use them from ...
By: mandamados

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Wed, 4 Mar 2015 03:33:34 PST
Home made robot gripper http://www.instructables.com/id/Home-made-robot-gripper/
Home made robot gripper - More DIY How To Projects]]> http://cdn.instructables.com/FUP/72XU/I6M2MMXQ/FUP72XUI6M2MMXQ.SQUARE2.jpg http://cdn.instructables.com/FUP/72XU/I6M2MMXQ/FUP72XUI6M2MMXQ.SQUARE.jpg http://cdn.instructables.com/FUP/72XU/I6M2MMXQ/FUP72XUI6M2MMXQ.SMALL.jpg sidrobot This is an instructable for making your own gripper for robot with the help of old stuff and reusing them to get the gripper..Grippers are used to hold and lift any object for changing it's placing from one place to other.The grippers available in market were costly so i decided on making my own gri...
By: sidrobot

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Thu, 26 Feb 2015 09:47:38 PST
Portable Charger http://www.instructables.com/id/Portable-Charger-4/
Portable Charger - More DIY How To Projects]]> http://cdn.instructables.com/FWD/HZGE/I6J7W5VG/FWDHZGEI6J7W5VG.SQUARE2.jpg http://cdn.instructables.com/FWD/HZGE/I6J7W5VG/FWDHZGEI6J7W5VG.SQUARE.jpg http://cdn.instructables.com/FWD/HZGE/I6J7W5VG/FWDHZGEI6J7W5VG.SMALL.jpg BinksBrew For a long time I've had old back up cell phones taking up space in my desk drawer. I was curious if I could put any of these old phones to some use. I can't just throw them away so I decided to try and re-purpose one of them as a portable charger for my current smart phone. Materials Mp1405 5v...
By: BinksBrew

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Wed, 25 Feb 2015 10:43:18 PST
Super Light Quadcopter http://www.instructables.com/id/Super-Light-Quadcopter/
Super Light Quadcopter - More DIY How To Projects]]> http://cdn.instructables.com/FR1/7Q2H/I63EZAZE/FR17Q2HI63EZAZE.SQUARE2.jpg http://cdn.instructables.com/FR1/7Q2H/I63EZAZE/FR17Q2HI63EZAZE.SQUARE.jpg http://cdn.instructables.com/FR1/7Q2H/I63EZAZE/FR17Q2HI63EZAZE.SMALL.jpg Joohansson The aim of this project is to maximize the flight time/ battery life of the very famous Hubsan X4 quad-copter. This will show how you build your own for very low cost, simple to build and fun to play with. The 3D print is 100% designed by me for use with spare parts from the Hubsan H107L model. It c...
By: Joohansson

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Sat, 14 Feb 2015 09:52:27 PST