Instructables: exploring - technology - battery - popular http://www.instructables.com Sat, 1 Aug 2015 06:55:03 PDT BLOX v1.01 Powering Arduino with a Battery http://www.instructables.com/id/Powering-Arduino-with-a-Battery/ 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
Ammo Box Waterproof Stereo http://www.instructables.com/id/Ammo-Box-Waterproof-Radio/
Ammo Box Waterproof Stereo - More DIY How To Projects]]> http://cdn.instructables.com/FNM/0VDH/I60069O2/FNM0VDHI60069O2.SQUARE2.jpg http://cdn.instructables.com/FNM/0VDH/I60069O2/FNM0VDHI60069O2.SQUARE.jpg http://cdn.instructables.com/FNM/0VDH/I60069O2/FNM0VDHI60069O2.SMALL.jpg jmyler I really wish that I would have thought to take more pictures as I was making this thing but of course I didn't think about it until after the fact. Anyway, as they say, necessity is the mother of invention which I suppose applies here. During the summer my friends and I love to do anything outdoors...
By: jmyler

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Wed, 11 Feb 2015 15:59:51 PST
Let us build a handmade Hexapod robot http://www.instructables.com/id/Let-us-build-a-handmade-Hexapod-robot/
Let us build a handmade Hexapod robot - More DIY How To Projects]]> http://cdn.instructables.com/FQP/IWHI/I5LAZR33/FQPIWHII5LAZR33.SQUARE2.jpg http://cdn.instructables.com/FQP/IWHI/I5LAZR33/FQPIWHII5LAZR33.SQUARE.jpg http://cdn.instructables.com/FQP/IWHI/I5LAZR33/FQPIWHII5LAZR33.SMALL.jpg osdoyi You will be able to build this robot with handcrafting.Watch the videos of the robot. You can build it in any size (don't exaggerate - there is always a limit)Let us prepare necessary materials. Prepare necessary materials ! Let me talk about hardware firstAs a hardware you need1) 18 servo motors...
By: osdoyi

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Sat, 31 Jan 2015 17:11:16 PST
Boombox MDF http://www.instructables.com/id/Boombox-MDF/
Boombox MDF - More DIY How To Projects]]> http://cdn.instructables.com/F9G/V6X3/I557BTVH/F9GV6X3I557BTVH.SQUARE2.jpg http://cdn.instructables.com/F9G/V6X3/I557BTVH/F9GV6X3I557BTVH.SQUARE.jpg http://cdn.instructables.com/F9G/V6X3/I557BTVH/F9GV6X3I557BTVH.SMALL.jpg RoeyLeon Hello everyoneAnother COOL boombox for the collection ! This time it`s not from Plexiglas as always but rather from MDF ( Medium-density fibreboard ) It`s actually pretty fun to work with this material ,it`s very easy to saw, lightweight in compare to the 4mm Plexiglas and a most important it`s the...
By: RoeyLeon

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Tue, 20 Jan 2015 04:54:25 PST
Restoring Corroded Battery Contacts http://www.instructables.com/id/Restoring-Corroded-Battery-Contacts/
Restoring Corroded Battery Contacts - More DIY How To Projects]]> http://cdn.instructables.com/FMJ/581R/I4O22EKZ/FMJ581RI4O22EKZ.SQUARE2.jpg http://cdn.instructables.com/FMJ/581R/I4O22EKZ/FMJ581RI4O22EKZ.SQUARE.jpg http://cdn.instructables.com/FMJ/581R/I4O22EKZ/FMJ581RI4O22EKZ.SMALL.jpg ProfMuggs Ok, before anyone else says it, this took more effort than it probably should have. These RCX bricks are pretty common on eBay and go for pretty cheap, so I could have bought another one rather than going to all this effort, but that's not how I do things. Once I got started I just couldn't help mys...
By: ProfMuggs

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Thu, 8 Jan 2015 09:31:12 PST
Mason Jar Portable Speaker & Guitar Amp http://www.instructables.com/id/Mason-Jar-Portable-Speaker-Guitar-Amp-1/
Mason Jar Portable Speaker & Guitar Amp - More DIY How To Projects]]> http://cdn.instructables.com/FX3/9EU6/I4IDBBIW/FX39EU6I4IDBBIW.SQUARE2.jpg http://cdn.instructables.com/FX3/9EU6/I4IDBBIW/FX39EU6I4IDBBIW.SQUARE.jpg http://cdn.instructables.com/FX3/9EU6/I4IDBBIW/FX39EU6I4IDBBIW.SMALL.jpg TrashAmpsLLC Let's face it: the speakers on your phone & laptop aren't loud enough. So grab a Mason Jar Speaker KIT from Trash Amps (www.trashamps.com) & build a Mason Jar Speaker to play tunes from your smartphone, tablet and laptop. BUT WAIT: it's also an electric guitar amplifier! Plug in & bust out those wic...
By: TrashAmpsLLC

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Mon, 5 Jan 2015 16:57:41 PST
Foldable Electronic Bookmark / Booklight http://www.instructables.com/id/Foldable-Electronic-Bookmark-Booklight/
Foldable Electronic Bookmark / Booklight - More DIY How To Projects]]> http://cdn.instructables.com/FEM/M0C7/I48CRNPR/FEMM0C7I48CRNPR.SQUARE2.jpg http://cdn.instructables.com/FEM/M0C7/I48CRNPR/FEMM0C7I48CRNPR.SQUARE.jpg http://cdn.instructables.com/FEM/M0C7/I48CRNPR/FEMM0C7I48CRNPR.SMALL.jpg MaeBerry This project is not only really, really fun to build, but also fun to use. If you love books or know someone who does, this is an awesome project to make. It is extremely light and literally paper-thin. It is also really easy to personalize and the battery pack design can be used for any small proje...
By: MaeBerry

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Wed, 31 Dec 2014 19:17:51 PST
Power Stacker: Stackable USB Rechargeable Battery System http://www.instructables.com/id/Power-Stacker-Stackable-USB-Rechargeable-Battery-S/
Power Stacker: Stackable USB Rechargeable Battery System - More DIY How To Projects]]> http://cdn.instructables.com/FPN/VFWB/I36LFW5K/FPNVFWBI36LFW5K.SQUARE2.jpg http://cdn.instructables.com/FPN/VFWB/I36LFW5K/FPNVFWBI36LFW5K.SQUARE.jpg http://cdn.instructables.com/FPN/VFWB/I36LFW5K/FPNVFWBI36LFW5K.SMALL.jpg Solarcycle Please click below to visit our Kickstarter project page for Power Stacker, and pre-order a production model!http://www.kickstarter.com/projects/249225636/powe...Power Stacker is a portable, modular, USB rechargeable lithium-ion battery pack. Stack them together for power hungry projects or separate...
By: Solarcycle

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Mon, 8 Dec 2014 15:06:18 PST
Adapt smaller batteries for remote controllers http://www.instructables.com/id/Adapt-smaller-batteries-for-remote-controllers/
Adapt smaller batteries for remote controllers - More DIY How To Projects]]> http://cdn.instructables.com/FJZ/QMVC/I3BHAWUK/FJZQMVCI3BHAWUK.SQUARE2.jpg http://cdn.instructables.com/FJZ/QMVC/I3BHAWUK/FJZQMVCI3BHAWUK.SQUARE.jpg http://cdn.instructables.com/FJZ/QMVC/I3BHAWUK/FJZQMVCI3BHAWUK.SMALL.jpg ashujaku Your kid wants to play wii but you are lazy enough to go and buy batteries for him in Saturday morning. Creativity often comes from lazynnes , and i had some smaller batteries bought from IKEA that could fit in wii controller. Go to your kitchen get some of aluminium. foil and wrap it 7 to 8 times (...
By: ashujaku

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Sun, 7 Dec 2014 01:24:54 PST
IcosaLEDron: A Multi LED Smart Ball http://www.instructables.com/id/IcosaLEDron-A-Multi-LED-Smart-Ball/
IcosaLEDron: A Multi LED Smart Ball - More DIY How To Projects]]> http://cdn.instructables.com/FUB/64QT/I24LYBTV/FUB64QTI24LYBTV.SQUARE2.jpg http://cdn.instructables.com/FUB/64QT/I24LYBTV/FUB64QTI24LYBTV.SQUARE.jpg http://cdn.instructables.com/FUB/64QT/I24LYBTV/FUB64QTI24LYBTV.SMALL.jpg Afritlabs What is an IcosaLEDron? It's a programmable, rechargeable 20 sided "ball" with a RGB LED on each face. Inside is a custom PCB equipped with the Atmega328p that is Arduino compatible allowing for easy programming of different effects. With twenty WS2812B LEDs (also known as Neopixels) positioned equa...
By: Afritlabs

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Mon, 3 Nov 2014 20:09:42 PST
Lithium Iron Phosphate (LifePO4) solar storage battery bank http://www.instructables.com/id/Lifepo4-solar-storage-battery-bank/
Lithium Iron Phosphate (LifePO4) solar storage battery bank - More DIY How To Projects]]> http://cdn.instructables.com/FAS/PUWB/I7SVSOW9/FASPUWBI7SVSOW9.SQUARE2.jpg http://cdn.instructables.com/FAS/PUWB/I7SVSOW9/FASPUWBI7SVSOW9.SQUARE.jpg http://cdn.instructables.com/FAS/PUWB/I7SVSOW9/FASPUWBI7SVSOW9.SMALL.jpg Mjtrinihobby LifePO4 batteries are fairly new for solar use. My home originally used a 24volt bank of lead acid (see pic on the right). These failed only after a year of use. This was a costly mistake. My replacement bank is LifePO4 25.6volt batteries as in the left photo. These I bought off Amazon for 241usd ea...
By: Mjtrinihobby

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Sat, 22 Nov 2014 09:38:45 PST
Junk Mail Hack http://www.instructables.com/id/Junk-Mail-Hack/
Junk Mail Hack - More DIY How To Projects]]> http://cdn.instructables.com/F2V/12QO/I2LMJ5GY/F2V12QOI2LMJ5GY.SQUARE2.jpg http://cdn.instructables.com/F2V/12QO/I2LMJ5GY/F2V12QOI2LMJ5GY.SQUARE.jpg http://cdn.instructables.com/F2V/12QO/I2LMJ5GY/F2V12QOI2LMJ5GY.SMALL.jpg Volthaus Electronics Laboratory I received some junk mail the other day and it had a little plastic box sticky gummed to a large postcard-like piece of mail. Supposedly I could pull the plastic strip from the box and it would display my winning number to get a discount on buying a car. I don't own a car (by design) so I wasn't int...
By: Volthaus Electronics Laboratory

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Tue, 18 Nov 2014 20:47:24 PST