Instructables: exploring - technology - battery - popular http://www.instructables.com Thu, 8 Dec 2016 16:10:21 PST BLOX v1.01 Dewalt Power Bank http://www.instructables.com/id/Dewalt-Power-Bank/
Dewalt Power Bank - More DIY How To Projects]]> https://cdn.instructables.com/F40/PU34/IW6PFG9K/F40PU34IW6PFG9K.SQUARE2.jpg https://cdn.instructables.com/F40/PU34/IW6PFG9K/F40PU34IW6PFG9K.SQUARE.jpg https://cdn.instructables.com/F40/PU34/IW6PFG9K/F40PU34IW6PFG9K.SMALL.jpg MakrToolbox This is nothing new. There are a lot of instructibles regarding making a power bank. The difference in this power bank is that I am using battery cells from a recycled laptop. I think that this makes it interesting and I hope that you do as well. I wanted to make a nice power bank and of course I wa...
By: MakrToolbox

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Thu, 1 Dec 2016 22:02:40 PST
Transformerless Adjustable Joule Thief http://www.instructables.com/id/Transformerless-Adjustable-Joule-Thief/
Transformerless Adjustable Joule Thief - More DIY How To Projects]]> https://cdn.instructables.com/FBN/ZOOF/IVO45E22/FBNZOOFIVO45E22.SQUARE2.jpg https://cdn.instructables.com/FBN/ZOOF/IVO45E22/FBNZOOFIVO45E22.SQUARE.jpg https://cdn.instructables.com/FBN/ZOOF/IVO45E22/FBNZOOFIVO45E22.SMALL.jpg DIY Circuits Did you have problems winding the toroidal transformer of a regular joule thief? If so then this instructable is for you! And if not it is also an interesting circuit to see.In this instructable I will show you how I made the simplest joule thief I know of with only an inductor! Demonstration A j...
By: DIY Circuits

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Sat, 26 Nov 2016 02:37:24 PST
Heavy duty portable charger for usb devices (phones, iPad, etc.) http://www.instructables.com/id/Heavy-duty-portable-charger-for-usb-devices-phone/
Heavy duty portable charger for usb devices (phones, iPad, etc.) - More DIY How To Projects]]> https://cdn.instructables.com/FDI/NVQR/G8LWTBT0/FDINVQRG8LWTBT0.SQUARE2.jpg https://cdn.instructables.com/FDI/NVQR/G8LWTBT0/FDINVQRG8LWTBT0.SQUARE.jpg https://cdn.instructables.com/FDI/NVQR/G8LWTBT0/FDINVQRG8LWTBT0.SMALL.jpg meseta Ever needed to charge your phone on the go? Can't find a wall socket to charge your iPod? Whenever I'm away from home for an extended period of time, I would charge my phone and mp3 player from my laptop.  This way, I get about 3 or 4 full charges out of the laptop battery and I could leave the pho...
By: meseta

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Sat, 1 May 2010 13:39:49 PDT
Dual USB Charger With Switching Regulator http://www.instructables.com/id/Portable-USB-Charger-1/
Dual USB Charger With Switching Regulator - More DIY How To Projects]]> https://cdn.instructables.com/F4N/NFE4/GB5HDVV6/F4NNFE4GB5HDVV6.SQUARE2.jpg https://cdn.instructables.com/F4N/NFE4/GB5HDVV6/F4NNFE4GB5HDVV6.SQUARE.jpg https://cdn.instructables.com/F4N/NFE4/GB5HDVV6/F4NNFE4GB5HDVV6.SMALL.jpg rocketman221 This is a portable USB Charger. It uses a high efficiency switching regulator that runs at 85 - 94% efficiency depending on input voltage and load. It takes an input voltage from 8 to 16 volts and can run from anything from a 9 volt battery to a car battery. It has 2 USB ports and easily charges 2 p...
By: rocketman221

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Sun, 11 Jul 2010 23:21:23 PDT
Make a basic electromagnet http://www.instructables.com/id/Make-a-basic-electromagnet./
Make a basic electromagnet - More DIY How To Projects]]> https://cdn.instructables.com/F0F/5VOC/FBVHE7NH/F0F5VOCFBVHE7NH.SQUARE2.jpg https://cdn.instructables.com/F0F/5VOC/FBVHE7NH/F0F5VOCFBVHE7NH.SQUARE.jpg https://cdn.instructables.com/F0F/5VOC/FBVHE7NH/F0F5VOCFBVHE7NH.SMALL.jpg sacred Electromagnets are very useful tools. They have the ability to gain a magnetic field with the introduction of current and to lose it once the current ceases. We will be building a very simple one that works with these principles. It is also a very cheap project, I had everything needed to make it l...
By: sacred

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Sat, 26 Jan 2008 11:06:50 PST
DP2 - Da Pimp 2 Assembly Instructions http://www.instructables.com/id/DP2-Da-Pimp-2-Assembly-Instructions/
DP2 - Da Pimp 2 Assembly Instructions - More DIY How To Projects]]> https://cdn.instructables.com/F5R/OW13/IE42ZP6K/F5ROW13IE42ZP6K.SQUARE2.jpg https://cdn.instructables.com/F5R/OW13/IE42ZP6K/F5ROW13IE42ZP6K.SQUARE.jpg https://cdn.instructables.com/F5R/OW13/IE42ZP6K/F5ROW13IE42ZP6K.SMALL.jpg sklarm DP2 is a extremely portable battery tester / desulfator / charger. These are the instructions for assembling a DP2 kit. Kits or fully assembled units are available for sale through the Holy Scrap Store. More up to date information is available on the DP2 Page. Open the Enclosure Cut open the ...
By: sklarm

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Thu, 3 Sep 2015 16:37:16 PDT
Timex Battery Replacement http://www.instructables.com/id/Timex-Battery-Replacement/
Timex Battery Replacement - More DIY How To Projects]]> https://cdn.instructables.com/FDU/64WQ/I155KBCD/FDU64WQI155KBCD.SQUARE2.jpg https://cdn.instructables.com/FDU/64WQ/I155KBCD/FDU64WQI155KBCD.SQUARE.jpg https://cdn.instructables.com/FDU/64WQ/I155KBCD/FDU64WQI155KBCD.SMALL.jpg RichsMethods Hello! This "Quick Tip" Tutorial shows how to replace a watch battery on a Timex Ironman Watch. This video should work for any Timex Ironman Digital watch (or other Timex watches).I suggest following along with the video as you replace the battery. Good luck and feel free to ask questions. I usually...
By: RichsMethods

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Thu, 9 Oct 2014 15:35:45 PDT
Programmable Battery Protection [Open Source] http://www.instructables.com/id/Programmable-Battery-Protection-Open-Source/
Programmable Battery Protection [Open Source] - More DIY How To Projects]]> https://cdn.instructables.com/FP8/TZ4Q/IVA4Q19M/FP8TZ4QIVA4Q19M.SQUARE2.jpg https://cdn.instructables.com/FP8/TZ4Q/IVA4Q19M/FP8TZ4QIVA4Q19M.SQUARE.jpg https://cdn.instructables.com/FP8/TZ4Q/IVA4Q19M/FP8TZ4QIVA4Q19M.SMALL.jpg lutkeveld Every battery needs protection. When I couldn't find a board that suited my needs, I set out to create one myself.If you discharge a battery completely it can be permanently damaged. This PCB monitors the voltage (and thus the State Of Charge) and if it dips below the programmed voltage it will disc...
By: lutkeveld

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Thu, 10 Nov 2016 14:09:34 PST
How a PULL UP and PULL DOWN resistor works http://www.instructables.com/id/How-a-PULL-UP-and-PULL-DOWN-Resistor-Works/
How a PULL UP and PULL DOWN resistor works - More DIY How To Projects]]> https://cdn.instructables.com/F9X/9PQU/IV0ARSOC/F9X9PQUIV0ARSOC.SQUARE2.jpg https://cdn.instructables.com/F9X/9PQU/IV0ARSOC/F9X9PQUIV0ARSOC.SQUARE.jpg https://cdn.instructables.com/F9X/9PQU/IV0ARSOC/F9X9PQUIV0ARSOC.SMALL.jpg afzalrehmani IN THIS INSTRUCT ABLE I AM GOING TO SHOW YOU (1) HOW A PULL UP AND PULL DOWN RESISTOR WORKS (2) HOW YOU WILL CONNECT A SWITCH IN A SAFER MODE (3) AND THEIR APPLICATIONA COMPLETE DETAILS IS ALSO GIVEN IN THE VIDEO DESCRIPTION AS WELL... How a PULL UP an PULL DOWN resistor works... PULL UP AND PUL...
By: afzalrehmani

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Sat, 5 Nov 2016 06:58:08 PDT
Build/modify a wrist watch! A great gift or just for yourself! http://www.instructables.com/id/Buildmodify-a-wrist-watch-A-great-gift-or-just-f/
Build/modify a wrist watch! A great gift or just for yourself! - More DIY How To Projects]]> https://cdn.instructables.com/FQW/M2NG/GTSF17X0/FQWM2NGGTSF17X0.SQUARE2.jpg https://cdn.instructables.com/FQW/M2NG/GTSF17X0/FQWM2NGGTSF17X0.SQUARE.jpg https://cdn.instructables.com/FQW/M2NG/GTSF17X0/FQWM2NGGTSF17X0.SMALL.jpg z3ds Tired of boring run of the mill wrist watches? Make one yourself! Impress that special someone or make one for yourself. Cheap and easy. All you need is a broken or working wrist watch, a donor digital watch and some creativity! Materials and tools Materials: You'll need a wrist watch preferabl...
By: z3ds

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Wed, 12 Dec 2012 19:01:33 PST
Power Your Drill With A Computer Power Supply! http://www.instructables.com/id/What-To-Do-With-A-Drill-That-Has-A-Dead-Battery-Ad/
Power Your Drill With A Computer Power Supply! - More DIY How To Projects]]> https://cdn.instructables.com/F8E/1AD2/IFD6KA1M/F8E1AD2IFD6KA1M.SQUARE2.jpg https://cdn.instructables.com/F8E/1AD2/IFD6KA1M/F8E1AD2IFD6KA1M.SQUARE.jpg https://cdn.instructables.com/F8E/1AD2/IFD6KA1M/F8E1AD2IFD6KA1M.SMALL.jpg Yonatan24 Slowly and sadly my drill battery died.Drill batteries cost more than $2I thought of the fact that I never need It to be portable because my dad has a killer Dewalt drill that's almost too powerful and scary to use...This gave me a pretty obvious idea: Why not power it with power from a regular wall...
By: Yonatan24

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Fri, 7 Aug 2015 16:58:44 PDT
DIY Bluetooth Speaker Under 5$ http://www.instructables.com/id/DIY-Bluetooth-Speaker-Under-5/
DIY Bluetooth Speaker Under 5$ - More DIY How To Projects]]> https://cdn.instructables.com/FLL/GBMR/IUOI9BL2/FLLGBMRIUOI9BL2.SQUARE2.jpg https://cdn.instructables.com/FLL/GBMR/IUOI9BL2/FLLGBMRIUOI9BL2.SQUARE.jpg https://cdn.instructables.com/FLL/GBMR/IUOI9BL2/FLLGBMRIUOI9BL2.SMALL.jpg bobes360 Today I'll show you how I made this awesome bluetooth speaker for total cost under 5$. It is easy project that you can make with minimal knowledge of electronics and woodworking. Just for you to know : this is not very high quality speaker. It's mainly made from scrap and to be as cheap as possible....
By: bobes360

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Wed, 26 Oct 2016 17:36:57 PDT
Portable Boombox/Speaker With Bluetooth http://www.instructables.com/id/Portable-Boombox-With-Bluetooth/
Portable Boombox/Speaker With Bluetooth - More DIY How To Projects]]> https://cdn.instructables.com/FAR/7W84/IFVC928M/FAR7W84IFVC928M.SQUARE2.jpg https://cdn.instructables.com/FAR/7W84/IFVC928M/FAR7W84IFVC928M.SQUARE.jpg https://cdn.instructables.com/FAR/7W84/IFVC928M/FAR7W84IFVC928M.SMALL.jpg william444555 So, you have a Bluetooth speaker but its lacking in volume and bass, this project cost me under £40 ($60) and packs a VERY loud punch. the whole project took me a whole summer holiday so around 6 weeks. the battery life on this project has not been measured because i cannot have it playing constantl...
By: william444555

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Sun, 20 Sep 2015 12:48:41 PDT
How to Make a Mini Battery Powered Soldering Iron http://www.instructables.com/id/How-to-Make-a-Mini-Battery-Powered-Soldering-Iron/
How to Make a Mini Battery Powered Soldering Iron - More DIY How To Projects]]> https://cdn.instructables.com/F0L/OHXY/IJQONG1Y/F0LOHXYIJQONG1Y.SQUARE2.jpg https://cdn.instructables.com/F0L/OHXY/IJQONG1Y/F0LOHXYIJQONG1Y.SQUARE.jpg https://cdn.instructables.com/F0L/OHXY/IJQONG1Y/F0LOHXYIJQONG1Y.SMALL.jpg romanursuhack https://www.youtube.com/watch?v=EHrDLSy_ojk&feature=youtu.be To do a mini Battery Powered Soldering Iron you need!!! In today’s video I am going to show how to make a DIY mini soldering iron that runs on two AA batteries. It is very easy and cost friendly to make such an emergency DIY soldering...
By: romanursuhack

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Tue, 26 Jan 2016 07:54:55 PST
18650 Battery Charger http://www.instructables.com/id/18650-Battery-Charger-1/
18650 Battery Charger - More DIY How To Projects]]> https://cdn.instructables.com/FPE/BQNR/IU8WEIPQ/FPEBQNRIU8WEIPQ.SQUARE2.jpg https://cdn.instructables.com/FPE/BQNR/IU8WEIPQ/FPEBQNRIU8WEIPQ.SQUARE.jpg https://cdn.instructables.com/FPE/BQNR/IU8WEIPQ/FPEBQNRIU8WEIPQ.SMALL.jpg Kester1 Hey guys Kester here! Today I'll be showing you guys how to make a 18650 battery charger! Without further a do, let's get started! Patreon As you may or may not know, I am Kester. I have a YouTube channel that is based on making electronics videos and diy videos and tutorials. As me making lots o...
By: Kester1

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Thu, 13 Oct 2016 15:49:16 PDT
arduino bluetooth tank http://www.instructables.com/id/arduino-bluetooth-tank/
arduino bluetooth tank - More DIY How To Projects]]> https://cdn.instructables.com/FBE/BR1J/IHTH69ZE/FBEBR1JIHTH69ZE.SQUARE2.jpg https://cdn.instructables.com/FBE/BR1J/IHTH69ZE/FBEBR1JIHTH69ZE.SQUARE.jpg https://cdn.instructables.com/FBE/BR1J/IHTH69ZE/FBEBR1JIHTH69ZE.SMALL.jpg jordan the tamago i has build an arduino bluetooth tank to learn how to programming and how bluetooth communication works between android smart phone and HC-06 or HC-05. The robotic arm are attached for user to control and capture something that assisted by ping sensor. The coding has included 3 type of auto pilot mo...
By: jordan the tamago

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Sun, 6 Dec 2015 07:54:44 PST
Battery Level Indicator http://www.instructables.com/id/Battery-Level-Indicator/
Battery Level Indicator - More DIY How To Projects]]> https://cdn.instructables.com/FNG/LNFK/IU1EC4W9/FNGLNFKIU1EC4W9.SQUARE2.jpg https://cdn.instructables.com/FNG/LNFK/IU1EC4W9/FNGLNFKIU1EC4W9.SQUARE.jpg https://cdn.instructables.com/FNG/LNFK/IU1EC4W9/FNGLNFKIU1EC4W9.SMALL.jpg balsuryana Hi everyone, It's me Balsuryana!. I'am back with some electronics projects! In this projects, i will show you how to make a Battery Level Indicator. I got this idea because i need this tools for indicate my powerbank battery level, so i made this tools. No more talking, LET'S MAKE IT! What you wil...
By: balsuryana

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Sat, 8 Oct 2016 09:42:02 PDT
DIY AUTOMATIC SOLAR CHARGE CONTROLLER http://www.instructables.com/id/DIY-AUTOMATIC-SOLAR-CHARGE-CONTROLLER/
DIY AUTOMATIC SOLAR CHARGE CONTROLLER - More DIY How To Projects]]> https://cdn.instructables.com/FBE/OGS7/ITVV0UH9/FBEOGS7ITVV0UH9.SQUARE2.jpg https://cdn.instructables.com/FBE/OGS7/ITVV0UH9/FBEOGS7ITVV0UH9.SQUARE.jpg https://cdn.instructables.com/FBE/OGS7/ITVV0UH9/FBEOGS7ITVV0UH9.SMALL.jpg vina1991 Hello friends Today I am back with another project called DIY AUTOMATIC SOLAR CHARGE CONTROLLER. It’s an automatic switching circuit that used to control the charging of a battery from solar panels or any other source. It’s a 555 based simple circuits the charge the battery when the battery charge g...
By: vina1991

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Tue, 4 Oct 2016 13:07:29 PDT
Turn off headlights when ignition off http://www.instructables.com/id/Turn-Off-Headlights-When-Ignition-Off/
Turn off headlights when ignition off - More DIY How To Projects]]> https://cdn.instructables.com/F2O/BZMN/ITCHDKXT/F2OBZMNITCHDKXT.SQUARE2.jpg https://cdn.instructables.com/F2O/BZMN/ITCHDKXT/F2OBZMNITCHDKXT.SQUARE.jpg https://cdn.instructables.com/F2O/BZMN/ITCHDKXT/F2OBZMNITCHDKXT.SMALL.jpg replayreb I bought my oldest son a used 2007 Mazda 3 last week. It is in great condition and he loves it. The problem is that since it is an older base model it doesn't have any extra bells or whistles like automatic headlights. He was driving a Toyota Corolla that he passed down to his little brother but it ...
By: replayreb

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Thu, 22 Sep 2016 21:48:20 PDT
Automatic Lights for Tool Chest http://www.instructables.com/id/Automatic-Lights-for-Tool-Chest/
Automatic Lights for Tool Chest - More DIY How To Projects]]> https://cdn.instructables.com/FKM/AFIW/ITCH0BO9/FKMAFIWITCH0BO9.SQUARE2.jpg https://cdn.instructables.com/FKM/AFIW/ITCH0BO9/FKMAFIWITCH0BO9.SQUARE.jpg https://cdn.instructables.com/FKM/AFIW/ITCH0BO9/FKMAFIWITCH0BO9.SMALL.jpg The Sam D You know how you open the fridge and the lights are just on? That's cool and I want that in a lot of other useful places - Like my tool chest. So now I have it and I'm going to show you how to do it too!This project covers adding LED lights to each drawer of a tool chest—so that it will automaticall...
By: The Sam D

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Wed, 21 Sep 2016 09:30:10 PDT
Cheap and Easy Battery Holder Version 2 http://www.instructables.com/id/Battery-Holder-Version-2/
Cheap and Easy Battery Holder Version 2 - More DIY How To Projects]]> https://cdn.instructables.com/FKN/1Z4H/F9AZJQHT/FKN1Z4HF9AZJQHT.SQUARE2.jpg https://cdn.instructables.com/FKN/1Z4H/F9AZJQHT/FKN1Z4HF9AZJQHT.SQUARE.jpg https://cdn.instructables.com/FKN/1Z4H/F9AZJQHT/FKN1Z4HF9AZJQHT.SMALL.jpg xtank5 This is the second version of my battery holder. This holder is for those who like a nice tight fit. In fact it's so tight you'll need something to pry out the dead battery. That is if you measure it too small and don't allow enough room for the battery. This holder also has stronger tabs and uses l...
By: xtank5

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Wed, 2 Jan 2008 21:00:13 PST
how to make a portable mp3 amp from old computer speakers http://www.instructables.com/id/how-to-make-a-portable-mp3-amp-from-old-computer-s/
how to make a portable mp3 amp from old computer speakers - More DIY How To Projects]]> https://cdn.instructables.com/FVZ/3E9P/FJ6H3I36/FVZ3E9PFJ6H3I36.SQUARE2.jpg https://cdn.instructables.com/FVZ/3E9P/FJ6H3I36/FVZ3E9PFJ6H3I36.SQUARE.jpg https://cdn.instructables.com/FVZ/3E9P/FJ6H3I36/FVZ3E9PFJ6H3I36.SMALL.jpg odavidson have you got a pair of old computer speakers lying around that you dont need? want to make a decent iPod/mp3 amp? these speakers are powered via a PP3 9V battery materials: speakers snap on clip for 9V batter 9V battery audio source tools: soldering iron and solder screw driver wire cutters/teeth ...
By: odavidson

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Mon, 28 Jul 2008 13:30:38 PDT
Electricity Generating Shoe Insole http://www.instructables.com/id/Electricity-Generating-Shoe-Insole/
Electricity Generating Shoe Insole - More DIY How To Projects]]> https://cdn.instructables.com/FMN/YVJL/HZ3YC755/FMNYVJLHZ3YC755.SQUARE2.jpg https://cdn.instructables.com/FMN/YVJL/HZ3YC755/FMNYVJLHZ3YC755.SQUARE.jpg https://cdn.instructables.com/FMN/YVJL/HZ3YC755/FMNYVJLHZ3YC755.SMALL.jpg Zach Sousa In this instructable I will show you how to make a shoe generator. What is a Shoe generator? A shoe generator ia a device that generates electricity from walking / running or any sport that you have to walk/run in.Link for the remix contest: http://www.instructables.com/id/Electricity-Generating-Foo...
By: Zach Sousa

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Thu, 21 Aug 2014 11:30:52 PDT
EASY Solar Charging Power Bank http://www.instructables.com/id/EASY-Solar-Charging-Power-Bank/
EASY Solar Charging Power Bank - More DIY How To Projects]]> https://cdn.instructables.com/FTK/YQIH/ISXX7H9Y/FTKYQIHISXX7H9Y.SQUARE2.jpg https://cdn.instructables.com/FTK/YQIH/ISXX7H9Y/FTKYQIHISXX7H9Y.SQUARE.jpg https://cdn.instructables.com/FTK/YQIH/ISXX7H9Y/FTKYQIHISXX7H9Y.SMALL.jpg NathanR97 Hello! My name is Nathan, and I am an amateur tinkerer. I needed a power bank for camping, bonfires, emergencies, and general tom foolery. Given my tinkery nature, buying one seemed some what sacrilegious. My build CAN be cheaper than your average power bank and will certainly have more functionalit...
By: NathanR97

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Sat, 10 Sep 2016 20:52:33 PDT
Arduino Battery http://www.instructables.com/id/Arduino-Battery/
Arduino Battery - More DIY How To Projects]]> https://cdn.instructables.com/FW3/ZE9C/H347FMPT/FW3ZE9CH347FMPT.SQUARE2.jpg https://cdn.instructables.com/FW3/ZE9C/H347FMPT/FW3ZE9CH347FMPT.SQUARE.jpg https://cdn.instructables.com/FW3/ZE9C/H347FMPT/FW3ZE9CH347FMPT.SMALL.jpg msuzuki777 As many of you may know, this Lazy Old Geek loves Arduinos. Many of my projects are portable and need a battery source: http://www.instructables.com/id/Arduino-Pedometer/ http://www.instructables.com/id/Arduino-Nokia-LCD-Sensors/ http://www.instructables.com/id/Ultrasonic-Tape-Measure/   ...
By: msuzuki777

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Sat, 13 Oct 2012 15:11:08 PDT
DIY Arduino Battery Capacity Tester - V1.0 http://www.instructables.com/id/DIY-Arduino-Battery-Capacity-Tester-V10-/
DIY Arduino Battery Capacity Tester - V1.0 - More DIY How To Projects]]> https://cdn.instructables.com/FS2/RW94/ISCBTZJB/FS2RW94ISCBTZJB.SQUARE2.jpg https://cdn.instructables.com/FS2/RW94/ISCBTZJB/FS2RW94ISCBTZJB.SQUARE.jpg https://cdn.instructables.com/FS2/RW94/ISCBTZJB/FS2RW94ISCBTZJB.SMALL.jpg deba168 [ Play Video ]I have salvaged so many old lap-top batteries ( 18650 ) to reuse them in my solar projects.It is very difficult to identify the good cells in battery pack.Earlier in one of my Power Bank Instructable I have told, how to identify good cells by measuring their voltages, but this method i...
By: deba168

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Sun, 4 Sep 2016 21:40:26 PDT
Electric Lighter http://www.instructables.com/id/Electric-Lighter/
Electric Lighter - More DIY How To Projects]]> https://cdn.instructables.com/FHZ/7PWV/ISCBB9V5/FHZ7PWVISCBB9V5.SQUARE2.jpg https://cdn.instructables.com/FHZ/7PWV/ISCBB9V5/FHZ7PWVISCBB9V5.SQUARE.jpg https://cdn.instructables.com/FHZ/7PWV/ISCBB9V5/FHZ7PWVISCBB9V5.SMALL.jpg Ynze- I had some nichrome wire laying around and I wanted to make something with it. So I came up with the idea to make an electric lighter.I wanted it to be small and easy to use. You can light most things you can light with an ordinary lighter. Like a candle, a piece of paper or even a piece of wood. ...
By: Ynze-

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Thu, 1 Sep 2016 08:10:32 PDT
Make an Optical Disk Display http://www.instructables.com/id/Make-an-Optical-Disk-Display/
Make an Optical Disk Display - More DIY How To Projects]]> https://cdn.instructables.com/FAD/YLMC/IRO1GU7A/FADYLMCIRO1GU7A.SQUARE2.jpg https://cdn.instructables.com/FAD/YLMC/IRO1GU7A/FADYLMCIRO1GU7A.SQUARE.jpg https://cdn.instructables.com/FAD/YLMC/IRO1GU7A/FADYLMCIRO1GU7A.SMALL.jpg Lucas Reed Every curious how DVDs work? Interested in learning some simple analog electronics? This Instructables will show you how to make an optical disk display project in only a few hours. What is an optical disk? An optical disk stores data/information and can be read or displayed using light.You will lea...
By: Lucas Reed

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Wed, 10 Aug 2016 12:10:35 PDT
Portable, Solar 12V Battery Pack http://www.instructables.com/id/Portable-12V-Battery-Pack/
Portable, Solar 12V Battery Pack - More DIY How To Projects]]> https://cdn.instructables.com/FGP/3LNM/IRXTMLUN/FGP3LNMIRXTMLUN.SQUARE2.jpg https://cdn.instructables.com/FGP/3LNM/IRXTMLUN/FGP3LNMIRXTMLUN.SQUARE.jpg https://cdn.instructables.com/FGP/3LNM/IRXTMLUN/FGP3LNMIRXTMLUN.SMALL.jpg lonesoulsurfer Camping these days usually means bringing along things that need power. Usually I’d just use the cars 12v outlet but I find this a hassle, especially if you have to charge your phone at night. So, after being inspired by a build my youngest brother did, I decided to build myself a battery pack that...
By: lonesoulsurfer

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Tue, 23 Aug 2016 01:49:37 PDT
Li - Ion battery level indicator http://www.instructables.com/id/Li-Ion-battery-level-indicator/
Li - Ion battery level indicator - More DIY How To Projects]]> https://cdn.instructables.com/FD5/USRL/I1IQB3YZ/FD5USRLI1IQB3YZ.SQUARE2.jpg https://cdn.instructables.com/FD5/USRL/I1IQB3YZ/FD5USRLI1IQB3YZ.SQUARE.jpg https://cdn.instructables.com/FD5/USRL/I1IQB3YZ/FD5USRLI1IQB3YZ.SMALL.jpg Osvaldas Are you looking for a simple circuit to measure your Lithium Ion single cell charging and discharging level? Here is one chip circuit, powered up from the same Lithium Ion battery you want to measure.This circuit is design to measure 3.7V rechargeable batteries level. 4.2V - 100%; 4V - 80%; 3.8V - ...
By: Osvaldas

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Tue, 21 Oct 2014 13:28:44 PDT
Simple Homopolar Motor http://www.instructables.com/id/Simple-Homopolar-Motor/
Simple Homopolar Motor - More DIY How To Projects]]> https://cdn.instructables.com/FWL/GT4S/IRO1HDQN/FWLGT4SIRO1HDQN.SQUARE2.jpg https://cdn.instructables.com/FWL/GT4S/IRO1HDQN/FWLGT4SIRO1HDQN.SQUARE.jpg https://cdn.instructables.com/FWL/GT4S/IRO1HDQN/FWLGT4SIRO1HDQN.SMALL.jpg YuKonstruct The first homopolar motor was demonstrated by Michael Faraday in 1821. He was experimenting with magnetism and electricity when he discovered the first circular force then known in nature.This simple motor is a great beginner project for young makers!YuKonstruct is the first makerspace in Canada's n...
By: YuKonstruct

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Wed, 10 Aug 2016 12:04:01 PDT
Easy Carbon Electrode http://www.instructables.com/id/Easy-Carbon-Electrode/
Easy Carbon Electrode - More DIY How To Projects]]> https://cdn.instructables.com/FWK/B04P/FV40B29Z/FWKB04PFV40B29Z.SQUARE2.jpg https://cdn.instructables.com/FWK/B04P/FV40B29Z/FWKB04PFV40B29Z.SQUARE.jpg https://cdn.instructables.com/FWK/B04P/FV40B29Z/FWKB04PFV40B29Z.SMALL.jpg egbertfitzwilly Many alternative energy projects such as metal oxide batteries and microbial fuel cells call for a carbon electrode. The phrase alone is enough to stop most people dead in their tracks.This instructable shows how to make a very efficient, production grade carbon electrode for use in a variety of alt...
By: egbertfitzwilly

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Mon, 25 May 2009 14:12:09 PDT
Joule Thief Battery Charger http://www.instructables.com/id/Joule-Thief-Battery-Charger/
Joule Thief Battery Charger - More DIY How To Projects]]> https://cdn.instructables.com/FEB/9TP3/GRTHMK03/FEB9TP3GRTHMK03.SQUARE2.jpg https://cdn.instructables.com/FEB/9TP3/GRTHMK03/FEB9TP3GRTHMK03.SQUARE.jpg https://cdn.instructables.com/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
Repurposing a cell phone - the making of a rechargeable battery pack. http://www.instructables.com/id/Repurposing-a-cell-phone-the-making-of-a-recharg/
Repurposing a cell phone - the making of a rechargeable battery pack. - More DIY How To Projects]]> https://cdn.instructables.com/FEI/4WB4/H11WJCB0/FEI4WB4H11WJCB0.SQUARE2.jpg https://cdn.instructables.com/FEI/4WB4/H11WJCB0/FEI4WB4H11WJCB0.SQUARE.jpg https://cdn.instructables.com/FEI/4WB4/H11WJCB0/FEI4WB4H11WJCB0.SMALL.jpg zack247 Long story short, I was in need of a 3-5v battery pack that was lightweight, lasted a decent amount of time, and wasn't too big. So I looked around for something, I had plenty of rechargeable batteries that suited my needs, but none that had dedicated chargers for them. And then I came across my old...
By: zack247

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Sun, 15 Apr 2012 20:40:03 PDT
Build Your Own Battery Power Supply http://www.instructables.com/id/Build-Your-Own-Battery-Power-Supply/
Build Your Own Battery Power Supply - More DIY How To Projects]]> https://cdn.instructables.com/FZZ/HPFV/IQ2O2Z4R/FZZHPFVIQ2O2Z4R.SQUARE2.jpg https://cdn.instructables.com/FZZ/HPFV/IQ2O2Z4R/FZZHPFVIQ2O2Z4R.SQUARE.jpg https://cdn.instructables.com/FZZ/HPFV/IQ2O2Z4R/FZZHPFVIQ2O2Z4R.SMALL.jpg Lucas Reed Have you ever needed to power a project that's not near an outlet? Have you needed to test using different voltages? Are you curious about analog circuits and power? Using Autodesk Circuits and a lead-acid battery, you can create a circuit that will act as a variable power supply, outputting a range...
By: Lucas Reed

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Thu, 30 Jun 2016 18:06:45 PDT
ROVER Bot - The Arduino Bluetooth Controlled Tank http://www.instructables.com/id/Arduino-ROVERBot/
ROVER Bot - The Arduino Bluetooth Controlled Tank - More DIY How To Projects]]> https://cdn.instructables.com/FC8/VXWI/I1PH3HXE/FC8VXWII1PH3HXE.SQUARE2.jpg https://cdn.instructables.com/FC8/VXWI/I1PH3HXE/FC8VXWII1PH3HXE.SQUARE.jpg https://cdn.instructables.com/FC8/VXWI/I1PH3HXE/FC8VXWII1PH3HXE.SMALL.jpg BIGDOG1971 Arduino Bluetooth ROVER RobotThe Arduino ROVERBot. This post aims to present you the construction steps of a ROVER using the Arduino and a bluetooth module. To control the ROVER it was used a Android phone as RC (radio control) interface. The Android application used is the "Arduino Bluetooth RC Con...
By: BIGDOG1971

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Sat, 25 Oct 2014 18:38:39 PDT
Portable Bluetooth Speaker http://www.instructables.com/id/Portable-Bluetooth-Speaker/
Portable Bluetooth Speaker - More DIY How To Projects]]> https://cdn.instructables.com/FA7/EO0V/IMRYF991/FA7EO0VIMRYF991.SQUARE2.jpg https://cdn.instructables.com/FA7/EO0V/IMRYF991/FA7EO0VIMRYF991.SQUARE.jpg https://cdn.instructables.com/FA7/EO0V/IMRYF991/FA7EO0VIMRYF991.SMALL.jpg tombaker120 A powerful, long lasting wooden Bluetooth Speaker, this is my attempt at a homemade Bluetooth Speaker. Research Do some research! Find out what types are available to you and their advantages and disadvantages. I chose to completely make my speaker out of 11mm birch face ply-wood due to it's rig...
By: tombaker120

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Thu, 31 Mar 2016 14:06:46 PDT
Ipod mini to 32gig and new battery without scratching it. http://www.instructables.com/id/Ipod-mini-to-32gig-and-new-battery-without-scratch/
Ipod mini to 32gig and new battery without scratching it. - More DIY How To Projects]]> https://cdn.instructables.com/F54/9A4V/FNNK6HVL/F549A4VFNNK6HVL.SQUARE2.jpg https://cdn.instructables.com/F54/9A4V/FNNK6HVL/F549A4VFNNK6HVL.SQUARE.jpg https://cdn.instructables.com/F54/9A4V/FNNK6HVL/F549A4VFNNK6HVL.SMALL.jpg CKOD In this Instructable, I'll be showing you how to easily open up an ipod mini without scratching or messing up the top and bottom, and upgrade the battery and the drive. Thanks to geek technique for inspiration, they do have instructions, but not an example of if a 32 gig card would would work, and ...
By: CKOD

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Fri, 21 Nov 2008 18:02:31 PST
Battery Eliminator http://www.instructables.com/id/Battery-Eliminator/
Battery Eliminator - More DIY How To Projects]]> https://cdn.instructables.com/F7Y/BIE1/IOT2XRAJ/F7YBIE1IOT2XRAJ.SQUARE2.jpg https://cdn.instructables.com/F7Y/BIE1/IOT2XRAJ/F7YBIE1IOT2XRAJ.SQUARE.jpg https://cdn.instructables.com/F7Y/BIE1/IOT2XRAJ/F7YBIE1IOT2XRAJ.SMALL.jpg dreens Do you have an appliance that eats through batteries? Follow this instructable for a simple, quick and dirty trick to power it directly from an outlet! If you want to do something more intense, check out doncrush's Battery Eliminator from a recycled wall wart. I will focus on replacing a single D b...
By: dreens

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Sat, 28 May 2016 08:08:57 PDT
IoT Weather Station With Adafruit HUZZAH ESP8266 (ESP-12E) And Adafruit IO (UPDATED) http://www.instructables.com/id/IoT-Weather-Station-With-ESP8266/
IoT Weather Station With Adafruit HUZZAH ESP8266 (ESP-12E) And Adafruit IO (UPDATED) - More DIY How To Projects]]> https://cdn.instructables.com/F69/JBWS/IJYUIHBT/F69JBWSIJYUIHBT.SQUARE2.jpg https://cdn.instructables.com/F69/JBWS/IJYUIHBT/F69JBWSIJYUIHBT.SQUARE.jpg https://cdn.instructables.com/F69/JBWS/IJYUIHBT/F69JBWSIJYUIHBT.SMALL.jpg Konstantin Dimitrov Hello, everyone ! Time ago I saw this Weather Station by Aleator777 and I was inspired to make my own weather station. I saw that the Intel Edison is too expensive in my country, so I decided to look for something much cheaper, and I found the Adafruit HUZZAH which is lot cheaper and I ordered one.W...
By: Konstantin Dimitrov

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Sun, 24 Jan 2016 07:55:29 PST
Make a Battery Protection Circuit (low voltage cut-off) http://www.instructables.com/id/Make-a-Battery-Protection-Circuit-low-voltage-cut-/
Make a Battery Protection Circuit (low voltage cut-off) - More DIY How To Projects]]> https://cdn.instructables.com/FY5/HJSA/I24LYGQF/FY5HJSAI24LYGQF.SQUARE2.jpg https://cdn.instructables.com/FY5/HJSA/I24LYGQF/FY5HJSAI24LYGQF.SQUARE.jpg https://cdn.instructables.com/FY5/HJSA/I24LYGQF/FY5HJSAI24LYGQF.SMALL.jpg DIYPerks In this video I will show you how to build a simple lithium battery protection circuit, so you can power your homemade projects without ever worrying about over discharging your battery.How to use lithium batteries safely: http://www.maxamps.com/lipo-care.phpMore info on battery measurements: http...
By: DIYPerks

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Wed, 5 Nov 2014 12:56:50 PST
Magnetic connectors for batteries http://www.instructables.com/id/Magnetic-Connectors-for-Batteries/
Magnetic connectors for batteries - More DIY How To Projects]]> https://cdn.instructables.com/F2V/OFOQ/IOOD5YBM/F2VOFOQIOOD5YBM.SQUARE2.jpg https://cdn.instructables.com/F2V/OFOQ/IOOD5YBM/F2VOFOQIOOD5YBM.SQUARE.jpg https://cdn.instructables.com/F2V/OFOQ/IOOD5YBM/F2VOFOQIOOD5YBM.SMALL.jpg Matlek Hi everyone,Here is a small tutorial about useful and easy to make battery connectors. I recently started to use 18650 cells batteries from old laptops, and I wanted a quick and easy way to connect them. Connectors using magnets were the best option, but I had to figure out how to use them correctly...
By: Matlek

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Thu, 26 May 2016 12:40:55 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]]> https://cdn.instructables.com/F79/XG6B/GUCF4PPE/F79XG6BGUCF4PPE.SQUARE2.jpg https://cdn.instructables.com/F79/XG6B/GUCF4PPE/F79XG6BGUCF4PPE.SQUARE.jpg https://cdn.instructables.com/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
Everything about a bass: How to play, pick out, and have fun with an electric bass http://www.instructables.com/id/Everything-about-a-bass-How-to-play-pick-out-an/
Everything about a bass: How to play, pick out, and have fun with an electric bass - More DIY How To Projects]]> https://cdn.instructables.com/FTK/QL47/FHWNBWQ7/FTKQL47FHWNBWQ7.SQUARE2.jpg https://cdn.instructables.com/FTK/QL47/FHWNBWQ7/FTKQL47FHWNBWQ7.SQUARE.jpg https://cdn.instructables.com/FTK/QL47/FHWNBWQ7/FTKQL47FHWNBWQ7.SMALL.jpg heyzuphowsitgoin So deterring from my usually computer type insructable, I decided to make an "artsy" one. I am not a master bass player, but I've been playing for 3 years and know a little about what I am talking about. Picking out a bass If you have a bass already, just skip this step and buy an amp if you don...
By: heyzuphowsitgoin

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Thu, 26 Jun 2008 11:25:34 PDT
Free Energy from Thin Air! http://www.instructables.com/id/Free-Energy-From-Thin-Air/
Free Energy from Thin Air! - More DIY How To Projects]]> https://cdn.instructables.com/FNN/C7P1/IOKBVZ5C/FNNC7P1IOKBVZ5C.SQUARE2.jpg https://cdn.instructables.com/FNN/C7P1/IOKBVZ5C/FNNC7P1IOKBVZ5C.SQUARE.jpg https://cdn.instructables.com/FNN/C7P1/IOKBVZ5C/FNNC7P1IOKBVZ5C.SMALL.jpg DrewPaulDesigns "Free energy from the air?, Yea, right!" Sardonic skepticism was my first reaction to this unusual concept, as well.Though, its not so far out there, in fact. Light can be converted to DC current with solar panels, electricity can be converted to magnetism as I did in my last article, in a microphon...
By: DrewPaulDesigns

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Tue, 24 May 2016 03:21:51 PDT
Ammo Can Power Pack http://www.instructables.com/id/Ammo-Can-Power-Pack/
Ammo Can Power Pack - More DIY How To Projects]]> https://cdn.instructables.com/FCC/NWOC/GD2J1Y2Y/FCCNWOCGD2J1Y2Y.SQUARE2.jpg https://cdn.instructables.com/FCC/NWOC/GD2J1Y2Y/FCCNWOCGD2J1Y2Y.SQUARE.jpg https://cdn.instructables.com/FCC/NWOC/GD2J1Y2Y/FCCNWOCGD2J1Y2Y.SMALL.jpg zcshiner Electricity is everywhere.  Sometimes.  The idea came about between a few friends and myself to build a portable "power pack" so we could power our things wherever we go. I ended up creating a contraption that housed a 12 volt battery, inverter, and battery charger inside a watertight ammo box. ...
By: zcshiner

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Sun, 22 Aug 2010 12:01:09 PDT
DIY 9 volt battery connector for free http://www.instructables.com/id/DIY-9-volt-battery-connector-for-free/
DIY 9 volt battery connector for free - More DIY How To Projects]]> https://cdn.instructables.com/FL1/XYOU/HD4VHR8D/FL1XYOUHD4VHR8D.SQUARE2.jpg https://cdn.instructables.com/FL1/XYOU/HD4VHR8D/FL1XYOUHD4VHR8D.SQUARE.jpg https://cdn.instructables.com/FL1/XYOU/HD4VHR8D/FL1XYOUHD4VHR8D.SMALL.jpg miceuz Usually cheap 9 volt battery connectors that you can buy are flimsy and don't last for long. Here is a way to make yourself a battery terminal that will last. Oh, did I mention it's almost free? You will need: * dead 9 volt battery * pliers * sharp knife * soldering iron + solder + flux * red and ...
By: miceuz

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Sat, 6 Oct 2012 03:08:27 PDT
Portable speakers / Speakers on battery http://www.instructables.com/id/Portable-speakers-Speakers-on-battery/
Portable speakers / Speakers on battery - More DIY How To Projects]]> https://cdn.instructables.com/F4Q/IYJS/FVHQG9FF/F4QIYJSFVHQG9FF.SQUARE2.jpg https://cdn.instructables.com/F4Q/IYJS/FVHQG9FF/F4QIYJSFVHQG9FF.SQUARE.jpg https://cdn.instructables.com/F4Q/IYJS/FVHQG9FF/F4QIYJSFVHQG9FF.SMALL.jpg st0rm Hi guys.This is my first instructable. Enjoy!So today I am gong to show you how to make from old pc speakers to speakers on battery.It's pretty basic and I have a lot of pictures. ;) Items you need The tools you need: -Speakers ...
By: st0rm

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Wed, 3 Jun 2009 08:29:45 PDT
Fitting the MaxAmps 2600mAh extended battery to the A R Drone http://www.instructables.com/id/Fitting-the-MaxAmps-2600mAh-extended-battery-to-th/
Fitting the MaxAmps 2600mAh extended battery to the A R Drone - More DIY How To Projects]]> https://cdn.instructables.com/FRH/GN31/GJQEIKZQ/FRHGN31GJQEIKZQ.SQUARE2.jpg https://cdn.instructables.com/FRH/GN31/GJQEIKZQ/FRHGN31GJQEIKZQ.SQUARE.jpg https://cdn.instructables.com/FRH/GN31/GJQEIKZQ/FRHGN31GJQEIKZQ.SMALL.jpg gtoal The A R Drone comes with a 1000mAh Lipo battery, but the short flight time of this cell quickly proves frustrating. At the time of writing, there is only one significantly larger capacity battery that I'm aware of that is ready to use, which is the MaxAmps 2600mAh pack sold at their site and through...
By: gtoal

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Sun, 20 Feb 2011 14:28:52 PST
Bluetooth Battery Portable Speaker http://www.instructables.com/id/Bluetooth-Battery-Portable-Speaker/
Bluetooth Battery Portable Speaker - More DIY How To Projects]]> https://cdn.instructables.com/F0B/J2QF/IDCXFNP0/F0BJ2QFIDCXFNP0.SQUARE2.jpg https://cdn.instructables.com/F0B/J2QF/IDCXFNP0/F0BJ2QFIDCXFNP0.SQUARE.jpg https://cdn.instructables.com/F0B/J2QF/IDCXFNP0/F0BJ2QFIDCXFNP0.SMALL.jpg dnibeck As with most of my projects, the inspiration was borrowed and the final project is different then what I had originally planned. I started out with wanting to make an ammo can speaker. Unfortunately (actually fortunately), I didn't have a 50 cal case. My can was too small. I decided to use a pla...
By: dnibeck

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Sat, 15 Aug 2015 16:22:41 PDT