Instructables: exploring - technology - battery - popular http://www.instructables.com Mon, 28 Jul 2014 12:59:35 PDT BLOX v1.01 Graphene Supercapacitor Based Battery. Charges In Seconds... http://www.instructables.com/id/Graphene-Supercapacitor-Based-Battery-Charges-In-S/
Graphene Supercapacitor Based Battery. Charges In Seconds... - More DIY How To Projects]]> http://cdn.instructables.com/FB3/BHFI/HY12K5UG/FB3BHFIHY12K5UG.SQUARE2.jpg http://cdn.instructables.com/FB3/BHFI/HY12K5UG/FB3BHFIHY12K5UG.SQUARE.jpg http://cdn.instructables.com/FB3/BHFI/HY12K5UG/FB3BHFIHY12K5UG.SMALL.jpg swest18 I've put this info up before but I hadn't revealed to anyone that it was a graphene super capacitor. After much trial and error, I figured out an excellent way to make graphene in quantities I could use to put on a film and them have rolled into a capacitor. I paid a good deal of money to have a man...
By: swest18

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Fri, 25 Jul 2014 15:17:39 PDT
Improved Flashlight Electronic Cigarette - no soldering required http://www.instructables.com/id/Improved-Flashlight-Electronic-Cigarette-no-solder/
Improved Flashlight Electronic Cigarette - no soldering required - More DIY How To Projects]]> http://cdn.instructables.com/FJL/YYD0/HNQYA01Q/FJLYYD0HNQYA01Q.SQUARE2.jpg http://cdn.instructables.com/FJL/YYD0/HNQYA01Q/FJLYYD0HNQYA01Q.SQUARE.jpg http://cdn.instructables.com/FJL/YYD0/HNQYA01Q/FJLYYD0HNQYA01Q.SMALL.jpg davidstelephone This electronic cigarette tutorial is simple and easy to do. That's the point. It is a follow-up to my previous instructable on how to build an electronic cigarette from a flashlight, which can still be found here: http://www.instructables.com/id/Low-cost-high-power-electronic-cigarette-from-a-fl/ b...
By: davidstelephone

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Fri, 8 Nov 2013 05:32:23 PST
LiPo-Powered Arduino http://www.instructables.com/id/LiPo-Powered-Arduino/ http://cdn.instructables.com/FXS/YSQ7/H5JVOPHI/FXSYSQ7H5JVOPHI.SQUARE2.jpg http://cdn.instructables.com/FXS/YSQ7/H5JVOPHI/FXSYSQ7H5JVOPHI.SQUARE.jpg http://cdn.instructables.com/FXS/YSQ7/H5JVOPHI/FXSYSQ7H5JVOPHI.SMALL.jpg Radioactive_Legos Let's face it, 9V batteries suck.  They don't last long, they're expensive, and did I mention they don't last long?  I work on and run several electric RC cars, and because of  this I own a lot of Lithium Polymer (LiPo) batteries.  Nowadays you can get them for pretty decent prices, and if you know ...
By: Radioactive_Legos

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Wed, 8 Aug 2012 17:23:30 PDT
Motorized Toy Car http://www.instructables.com/id/Motorized-Toy-Car/
Motorized Toy Car - More DIY How To Projects]]> http://cdn.instructables.com/F93/VJO7/HXLMOUQ4/F93VJO7HXLMOUQ4.SQUARE2.jpg http://cdn.instructables.com/F93/VJO7/HXLMOUQ4/F93VJO7HXLMOUQ4.SQUARE.jpg http://cdn.instructables.com/F93/VJO7/HXLMOUQ4/F93VJO7HXLMOUQ4.SMALL.jpg Kniterly A colleague of mine came up with this ingenious car design for our Maker Club at the public library. It is made from recycled materials and electronic components easily found at a dollar store. Supplies One oblong piece of strong cardboard 5x7.5 inches Two empty Bic-type disposable pen tubes Thi...
By: Kniterly

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Wed, 16 Jul 2014 10:18:27 PDT
Bluetooth LE Go-Anywhere Sensor Pack http://www.instructables.com/id/Bluetooth-LE-Go-Anywhere-Sensor-Pack/
Bluetooth LE Go-Anywhere Sensor Pack - More DIY How To Projects]]> http://cdn.instructables.com/FZZ/YB4D/HXLMJ6M7/FZZYB4DHXLMJ6M7.SQUARE2.jpg http://cdn.instructables.com/FZZ/YB4D/HXLMJ6M7/FZZYB4DHXLMJ6M7.SQUARE.jpg http://cdn.instructables.com/FZZ/YB4D/HXLMJ6M7/FZZYB4DHXLMJ6M7.SMALL.jpg intensePancake IntroductionIn recent years, portable sensor devices have gained a lot of popularity due to their ability to give you instant, accurate information about your local environment. Some of these devices include the Sensordrone, Smart Citizen, and the Storm Tag. These devices combine portability and a...
By: intensePancake

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Mon, 14 Jul 2014 23:21:29 PDT
Helping Eyes (Mountable Visual Aid) http://www.instructables.com/id/Helping-Eyes-Mountable-Visual-Aid/
Helping Eyes (Mountable Visual Aid) - More DIY How To Projects]]> http://cdn.instructables.com/FBD/BONH/HXLME2FR/FBDBONHHXLME2FR.SQUARE2.jpg http://cdn.instructables.com/FBD/BONH/HXLME2FR/FBDBONHHXLME2FR.SQUARE.jpg http://cdn.instructables.com/FBD/BONH/HXLME2FR/FBDBONHHXLME2FR.SMALL.jpg bergerab Do you know someone who is visually impaired? Or have you ever imagined how challenging this may be? Many with this disability navigate surprisingly well despite their lack of vision. However, accidents can still happen in certain circumstances. When a ceiling is low or the design of a building is f...
By: bergerab

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Mon, 14 Jul 2014 12:37:26 PDT
The Ultimate USB Backup Pack http://www.instructables.com/id/The-Ultimate-USB-Backup-Pack/
The Ultimate USB Backup Pack - More DIY How To Projects]]> http://cdn.instructables.com/FWE/3TH1/HXLMAML1/FWE3TH1HXLMAML1.SQUARE2.jpg http://cdn.instructables.com/FWE/3TH1/HXLMAML1/FWE3TH1HXLMAML1.SQUARE.jpg http://cdn.instructables.com/FWE/3TH1/HXLMAML1/FWE3TH1HXLMAML1.SMALL.jpg iampete Need to keep your phone charged for a fortnight? Commercially available USB battery packs are usually less than 10Ah capacity. This is fine if you need juice for a few days but what if you need it for a few weeks? In this instructable I describe how to build a 40.6Ah battery backup with dual USB out...
By: iampete

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Mon, 14 Jul 2014 07:56:02 PDT
BLU - A wearable sensor/status bracelet http://www.instructables.com/id/BLU-A-wearable-sensorstatus-bracelet/
BLU - A wearable sensor/status bracelet - More DIY How To Projects]]> http://cdn.instructables.com/F8G/STNU/HXII5AJT/F8GSTNUHXII5AJT.SQUARE2.jpg http://cdn.instructables.com/F8G/STNU/HXII5AJT/F8GSTNUHXII5AJT.SQUARE.jpg http://cdn.instructables.com/F8G/STNU/HXII5AJT/F8GSTNUHXII5AJT.SMALL.jpg Moussaillette This project was undertaken as I was applying for Intel's "Make it Wearable" contest (https://makeit.intel.com/).Trailer of that contest: ----------------------------------Although I did not win I decided to try to build my idea. While the idea is not so simple here it is summarized [also see video]...
By: Moussaillette

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Sun, 13 Jul 2014 15:55:29 PDT
Build a Low-cost Portable Wii Laptop http://www.instructables.com/id/Build-a-Low-cost-Portable-Wii-Laptop/
Build a Low-cost Portable Wii Laptop - More DIY How To Projects]]> http://cdn.instructables.com/FVG/UJCS/HX6YDIIJ/FVGUJCSHX6YDIIJ.SQUARE2.jpg http://cdn.instructables.com/FVG/UJCS/HX6YDIIJ/FVGUJCSHX6YDIIJ.SQUARE.jpg http://cdn.instructables.com/FVG/UJCS/HX6YDIIJ/FVGUJCSHX6YDIIJ.SMALL.jpg Shagglepuff My daily bus ride to school and back takes up a total of an hour, and has taken up a total of an hour for the past few years. This has never been much of an issue for me... but I believe that the best DIY projects are the ones that solve non-issues. Why wait in a bus when I could entertain myself an...
By: Shagglepuff

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Thu, 3 Jul 2014 22:13:05 PDT
Solar Powered Soldering Station http://www.instructables.com/id/Solar-Powered-Soldering-Station/
Solar Powered Soldering Station - More DIY How To Projects]]> http://cdn.instructables.com/F1S/6H7G/HRPBAHXW/F1S6H7GHRPBAHXW.SQUARE2.jpg http://cdn.instructables.com/F1S/6H7G/HRPBAHXW/F1S6H7GHRPBAHXW.SQUARE.jpg http://cdn.instructables.com/F1S/6H7G/HRPBAHXW/F1S6H7GHRPBAHXW.SMALL.jpg Solarcycle This project is based on my Kickstarter project called Solarpad, which includes the custom high power Solarpad solar panel and Power Core battery. Specifications for Solarpad and Power Core can be found on this page: www.solarcyclepower.com Have you ever wanted to solder outside on a nice sunny d...
By: Solarcycle

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Fri, 14 Feb 2014 21:59:51 PST
IKEA Hack: Solar Powered Bike Light http://www.instructables.com/id/IKEA-Hack-Solar-Powered-Bike-Light/
IKEA Hack: Solar Powered Bike Light - More DIY How To Projects]]> http://cdn.instructables.com/FTD/E0AU/HX1W6DO0/FTDE0AUHX1W6DO0.SQUARE2.jpg http://cdn.instructables.com/FTD/E0AU/HX1W6DO0/FTDE0AUHX1W6DO0.SQUARE.jpg http://cdn.instructables.com/FTD/E0AU/HX1W6DO0/FTDE0AUHX1W6DO0.SMALL.jpg bergerab In school this year, I have a pretty late schedule. Sometimes i'll be coming home from class after sundown and with a bike that can be dangerous. Before purchasing a commercial bike light, I decided to see if I could make one myself. Using an IKEA lamp I found at goodwill (for $2) I figured I could ...
By: bergerab

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Mon, 30 Jun 2014 15:07:17 PDT
Wireless Controlled Robotic Hand http://www.instructables.com/id/Wireless-Controlled-Robotic-Hand/
Wireless Controlled Robotic Hand - More DIY How To Projects]]> http://cdn.instructables.com/F0B/04VD/HWS3IJIJ/F0B04VDHWS3IJIJ.SQUARE2.jpg http://cdn.instructables.com/F0B/04VD/HWS3IJIJ/F0B04VDHWS3IJIJ.SQUARE.jpg http://cdn.instructables.com/F0B/04VD/HWS3IJIJ/F0B04VDHWS3IJIJ.SMALL.jpg Gabry295 This is my school project for the 5th year of high school (I'm Italian, we have 5 years of high school).It consists in an artificial hand controlled by a glove with flex sensors. The artificial hand reproduces the movements of the hand with the control glove, wirelessly. The hand and the glove work...
By: Gabry295

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Mon, 23 Jun 2014 14:13:48 PDT
Light Spectrometer from a "battery powered" head inspection lamp http://www.instructables.com/id/Light-Spectrometer-from-a-head-inspection-lamp/
Light Spectrometer from a "battery powered" head inspection lamp - More DIY How To Projects]]> http://cdn.instructables.com/F1J/OK8V/HXY66P6D/F1JOK8VHXY66P6D.SQUARE2.jpg http://cdn.instructables.com/F1J/OK8V/HXY66P6D/F1JOK8VHXY66P6D.SQUARE.jpg http://cdn.instructables.com/F1J/OK8V/HXY66P6D/F1JOK8VHXY66P6D.SMALL.jpg HUKBMBEAR Hello if you like this please take the time to vote in the competitionsTHANKSAt the end of my light sensing instructable where I played with the measurement of reducing sun light levels as well as making it into a laser game , I mentioned that I wanted to have a go at making a full spectrometer. Thi...
By: HUKBMBEAR

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Tue, 27 May 2014 14:28:46 PDT
COMPACT-CAR-BATTERY-TESTER-ANALYZER-INDICATOR http://www.instructables.com/id/COMPACT-CAR-BATTERY-TESTER-ANALYZER-INDICATOR/
COMPACT-CAR-BATTERY-TESTER-ANALYZER-INDICATOR - More DIY How To Projects]]> http://cdn.instructables.com/FKA/M30U/HWNU8LSS/FKAM30UHWNU8LSS.SQUARE2.jpg http://cdn.instructables.com/FKA/M30U/HWNU8LSS/FKAM30UHWNU8LSS.SQUARE.jpg http://cdn.instructables.com/FKA/M30U/HWNU8LSS/FKAM30UHWNU8LSS.SMALL.jpg ajoyraman I drive a 1985 model car, no MPFI, no electronics and a vibrating-contact voltage-regulator/cut-out system. Additionally, my usage is also limited and practically restricted only to weekends. I wanted a simple device which could monitor the health of my car 12V battery and the charging system.This I...
By: ajoyraman

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Sat, 21 Jun 2014 03:47:41 PDT
Diffused Glue Stick Lamp http://www.instructables.com/id/Diffused-Glue-Stick-Lamp/
Diffused Glue Stick Lamp - More DIY How To Projects]]> http://cdn.instructables.com/F82/733T/HWNUD1P0/F82733THWNUD1P0.SQUARE2.jpg http://cdn.instructables.com/F82/733T/HWNUD1P0/F82733THWNUD1P0.SQUARE.jpg http://cdn.instructables.com/F82/733T/HWNUD1P0/F82733THWNUD1P0.SMALL.jpg vishalapr Last week, I received the glue gun I ordered almost a month ago which I replaced with my older mini glue gun. The mini glue gun used thin glue sticks(7mm) whereas the new one I got used only normal sized glue sticks(10mm). So I had a whole bunch of these thin glue sticks left over, thought for a bit...
By: vishalapr

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Fri, 20 Jun 2014 20:51:32 PDT
Circuit Art: Instructables Robot http://www.instructables.com/id/Circuit-Art-Instructable-Robot/
Circuit Art: Instructables Robot - More DIY How To Projects]]> http://cdn.instructables.com/FU6/M45S/HWIMWA87/FU6M45SHWIMWA87.SQUARE2.jpg http://cdn.instructables.com/FU6/M45S/HWIMWA87/FU6M45SHWIMWA87.SQUARE.jpg http://cdn.instructables.com/FU6/M45S/HWIMWA87/FU6M45SHWIMWA87.SMALL.jpg bergerab Since I was a kid I was fascinated with the connection between art and technology. The fascination began when I first saw Silicon Art on the Discovery Channel. Now that I make circuits of my own, I want to show tribute to those who continue to keep this art alive. My Instructables robot circuit util...
By: bergerab

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Tue, 17 Jun 2014 08:59:55 PDT
Pocket-Sized Ultrasonic Ruler http://www.instructables.com/id/Pocket-Sized-Ultrasonic-Ruler/
Pocket-Sized Ultrasonic Ruler - More DIY How To Projects]]> http://cdn.instructables.com/FGG/DMNB/HWDRHGR0/FGGDMNBHWDRHGR0.SQUARE2.jpg http://cdn.instructables.com/FGG/DMNB/HWDRHGR0/FGGDMNBHWDRHGR0.SQUARE.jpg http://cdn.instructables.com/FGG/DMNB/HWDRHGR0/FGGDMNBHWDRHGR0.SMALL.jpg bergerab Today everything is digitalized. Most of us don't bother to waste our time using maps, going to the record store, or even going to the DVD store anymore. So... why are so many people using tape-measures and rulers? Yes, they are reliable, but they are certainly not convenient. With innovations, such...
By: bergerab

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Sat, 14 Jun 2014 14:43:31 PDT
BATTERY RETROFIT FOR CORDLESS TOOLS! http://www.instructables.com/id/BATTERY-RETROFIT-FOR-CORDLESS-TOOLS/
BATTERY RETROFIT FOR CORDLESS TOOLS! - More DIY How To Projects]]> http://cdn.instructables.com/F5G/58PN/HWDRHI7R/F5G58PNHWDRHI7R.SQUARE2.jpg http://cdn.instructables.com/F5G/58PN/HWDRHI7R/F5G58PNHWDRHI7R.SQUARE.jpg http://cdn.instructables.com/F5G/58PN/HWDRHI7R/F5G58PNHWDRHI7R.SMALL.jpg energysaver I own a newer 18-volt cordless combo (drill and flashlight). I also have an older 16.8-volt drill with two expired batteries. (We all know the high price of replacement batteries.) I had to ask myself a couple of questions: 1. Do I really want to do the "non-green thing" and send this good to...
By: energysaver

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Sat, 14 Jun 2014 14:46:15 PDT
How to replace an iPhone 5 battery http://www.instructables.com/id/How-to-replace-an-iPhone-5-battery/
How to replace an iPhone 5 battery - More DIY How To Projects]]> http://cdn.instructables.com/FER/LKJT/HWCJH7YN/FERLKJTHWCJH7YN.SQUARE2.jpg http://cdn.instructables.com/FER/LKJT/HWCJH7YN/FERLKJTHWCJH7YN.SQUARE.jpg http://cdn.instructables.com/FER/LKJT/HWCJH7YN/FERLKJTHWCJH7YN.SMALL.jpg pepik If your iPhone 5 suddenly dies when it claims to have battery life left, it's probably time to replace the battery. It's not hard to do, and new batteries can be found on Amazon for not that much. You'll need a few tools, but you can buy the tools with the battery. This was the first time I did this...
By: pepik

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Thu, 12 Jun 2014 18:47:36 PDT
Attiny Pocket Sequencer http://www.instructables.com/id/Attiny-Pocket-Sequencer/
Attiny Pocket Sequencer - More DIY How To Projects]]> http://cdn.instructables.com/F5A/FIPM/HW8T6OZG/F5AFIPMHW8T6OZG.SQUARE2.jpg http://cdn.instructables.com/F5A/FIPM/HW8T6OZG/F5AFIPMHW8T6OZG.SQUARE.jpg http://cdn.instructables.com/F5A/FIPM/HW8T6OZG/F5AFIPMHW8T6OZG.SMALL.jpg bergerab Music sequencers are awesome tools for producers, composers, and anyone looking for some musical inspiration. However, almost all sequencers available today are rather large devices with all sorts of cords. Wouldn't it be great if you could compose a sequence on the go and still have the record-abl...
By: bergerab

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Wed, 11 Jun 2014 11:41:07 PDT
A compact, Arduino altimeter for RC Planes http://www.instructables.com/id/The-Ultimate-Altimeter-A-compact-Arduino-altimeter/
A compact, Arduino altimeter for RC Planes - More DIY How To Projects]]> http://cdn.instructables.com/FSV/FSSP/HWAAYV5T/FSVFSSPHWAAYV5T.SQUARE2.jpg http://cdn.instructables.com/FSV/FSSP/HWAAYV5T/FSVFSSPHWAAYV5T.SQUARE.jpg http://cdn.instructables.com/FSV/FSSP/HWAAYV5T/FSVFSSPHWAAYV5T.SMALL.jpg qubist Please vote for this Instructable if you think it deserves it! Thanks!The Ultimate Altimeter is a super-compact, Arduino controlled altimeter capable of measuring the altitude with an accuracy of 0.3 meters, and saving the highest and lowest values it has measured. It is powered by a 40 mAh L...
By: qubist

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Wed, 11 Jun 2014 11:43:56 PDT
Cree Flashlight Upgrade http://www.instructables.com/id/Cree-Flashlight-Upgrade/
Cree Flashlight Upgrade - More DIY How To Projects]]> http://cdn.instructables.com/FTS/1FU7/HW37POMA/FTS1FU7HW37POMA.SQUARE2.jpg http://cdn.instructables.com/FTS/1FU7/HW37POMA/FTS1FU7HW37POMA.SQUARE.jpg http://cdn.instructables.com/FTS/1FU7/HW37POMA/FTS1FU7HW37POMA.SMALL.jpg MooMeat42 I found this awesome $6 flashlight (charger and battery included) on eBay which uses a 18650 Li-ion battery and a tiny Cree white LED. Search "18650 Cree Q5 LED flashlight". It has a glow in the dark button cap and o-ring on the lens, and 5 modes including 3 power levels, strobe, and SOS(I think tha...
By: MooMeat42

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Fri, 6 Jun 2014 19:56:43 PDT
Light-Up Minecraft Torch Using a Joule Thief http://www.instructables.com/id/Light-Up-Minecraft-Torch-Using-a-Joule-Thief/
Light-Up Minecraft Torch Using a Joule Thief - More DIY How To Projects]]> http://cdn.instructables.com/F39/250D/HW8CF61K/F39250DHW8CF61K.SQUARE2.jpg http://cdn.instructables.com/F39/250D/HW8CF61K/F39250DHW8CF61K.SQUARE.jpg http://cdn.instructables.com/F39/250D/HW8CF61K/F39250DHW8CF61K.SMALL.jpg Teisha For everybody who’s ever wanted to make their own light-up Minecraft torch, and would like to play around with some fun electronics in the process, this Instructables project is for you! The electronics are explained well enough (and with links to everything needed) that somebody with absolutely zer...
By: Teisha

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Mon, 9 Jun 2014 19:53:23 PDT
GEMS DEAD BATTERY FLASHLIGHT http://www.instructables.com/id/GEMS-DEAD-BATTERY-FLASH-LIGHT/
GEMS DEAD BATTERY FLASHLIGHT - More DIY How To Projects]]> http://cdn.instructables.com/FJ5/HEBE/HW6T1MWH/FJ5HEBEHW6T1MWH.SQUARE2.jpg http://cdn.instructables.com/FJ5/HEBE/HW6T1MWH/FJ5HEBEHW6T1MWH.SQUARE.jpg http://cdn.instructables.com/FJ5/HEBE/HW6T1MWH/FJ5HEBEHW6T1MWH.SMALL.jpg deba168 I always love to make something by using used stuff.I found plenty of used battery in my drawer so I thought how to reuse it .The best idea come to my mind is to making a powerful flash light .During summer in eastern part of INDIA , we face storm and power cut on every evening .So I think my flash ...
By: deba168

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Mon, 9 Jun 2014 03:26:31 PDT
ATtiny85 POV Display http://www.instructables.com/id/ATtiny8545-POV-Display/
ATtiny85 POV Display - More DIY How To Projects]]> http://cdn.instructables.com/FLP/8YSH/HW4ON6QE/FLP8YSHHW4ON6QE.SQUARE2.jpg http://cdn.instructables.com/FLP/8YSH/HW4ON6QE/FLP8YSHHW4ON6QE.SQUARE.jpg http://cdn.instructables.com/FLP/8YSH/HW4ON6QE/FLP8YSHHW4ON6QE.SMALL.jpg vishalapr The first time I saw a POV (Persistence Of Vision) display was on a show called FAQ on TV. The POV display consisted of an oscillating shaft with 6 LED's mounted on the end of the shaft. Since then I have always wanted to make one myself, I tried making one about 2 months ago with an oscillating sha...
By: vishalapr

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Mon, 9 Jun 2014 01:02:10 PDT
How to Change Game Boy Cartridge Battery http://www.instructables.com/id/How-to-Change-Game-Boy-Cartridge-Battery/
How to Change Game Boy Cartridge Battery - More DIY How To Projects]]> http://cdn.instructables.com/FWK/NWN6/HW0FZEZK/FWKNWN6HW0FZEZK.SQUARE2.jpg http://cdn.instructables.com/FWK/NWN6/HW0FZEZK/FWKNWN6HW0FZEZK.SQUARE.jpg http://cdn.instructables.com/FWK/NWN6/HW0FZEZK/FWKNWN6HW0FZEZK.SMALL.jpg kenizl86 Do you have an original Game Boy (GB) game, or a Game Boy Color (GBC) game? One that you've spent days of play time on, won so many achievements with, or just can't part with the saves you have on there? If so, it's more than likely (almost guaranteed) that there is a battery inside that old game ca...
By: kenizl86

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Wed, 4 Jun 2014 20:42:00 PDT
AAA/9volt Battery Hack http://www.instructables.com/id/AAA9volt-Battery-Hack/
AAA/9volt Battery Hack - More DIY How To Projects]]> http://cdn.instructables.com/FM4/K474/HVTWIBQ1/FM4K474HVTWIBQ1.SQUARE2.jpg http://cdn.instructables.com/FM4/K474/HVTWIBQ1/FM4K474HVTWIBQ1.SQUARE.jpg http://cdn.instructables.com/FM4/K474/HVTWIBQ1/FM4K474HVTWIBQ1.SMALL.jpg oRossss Ran out of AAA batteries and you couldn't be bothered going to the store but you have a 9 volt battery sitting around, then today's your lucky day. No AAA batteries in the house? Not a problem. Well not a problem as long as you have a 9volt battery, you do don't you? Pry that sucker open. Gent...
By: oRossss

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Sat, 31 May 2014 14:27:09 PDT
Micro Manager pressure sensor with Oogoo grenade http://www.instructables.com/id/Micro-Manager-pressure-sensor-with-Oogoo-grenade/
Micro Manager pressure sensor with Oogoo grenade - More DIY How To Projects]]> http://cdn.instructables.com/FU1/L9MG/HVO9RM83/FU1L9MGHVO9RM83.SQUARE2.jpg http://cdn.instructables.com/FU1/L9MG/HVO9RM83/FU1L9MGHVO9RM83.SQUARE.jpg http://cdn.instructables.com/FU1/L9MG/HVO9RM83/FU1L9MGHVO9RM83.SMALL.jpg jedii72 In a prior instructable I gave the history of why I was making a Lego Movie obstacle course for my 9 year old son's birthday. The first part was a Micro-Manager laser target system you can view here. The next obstacle station was a Micro-Manager sign attached to an electromagnet and pressure sensor....
By: jedii72

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Wed, 28 May 2014 11:41:03 PDT
CARDBOARD SOLAR LAMP http://www.instructables.com/id/CARDBOARD-SOLAR-LAMP/
CARDBOARD SOLAR LAMP - More DIY How To Projects]]> http://cdn.instructables.com/FR6/NTEX/HVQFCZBF/FR6NTEXHVQFCZBF.SQUARE2.jpg http://cdn.instructables.com/FR6/NTEX/HVQFCZBF/FR6NTEXHVQFCZBF.SQUARE.jpg http://cdn.instructables.com/FR6/NTEX/HVQFCZBF/FR6NTEXHVQFCZBF.SMALL.jpg deba168 I made this cardboard solar lamp for reusing the waste cardboard dumped in my dustbin.Through this instructables I try to aware people about the merit of reusing papers/cardboard and adverse effects of cutting tree.Features of my lamp :1. Solar charging : I choose this option to save energy and to p...
By: deba168

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Wed, 28 May 2014 10:16:48 PDT
Remote Detonator http://www.instructables.com/id/Remote-Detonator-1/
Remote Detonator - More DIY How To Projects]]> http://cdn.instructables.com/FST/ONO5/HVPWOHQD/FSTONO5HVPWOHQD.SQUARE2.jpg http://cdn.instructables.com/FST/ONO5/HVPWOHQD/FSTONO5HVPWOHQD.SQUARE.jpg http://cdn.instructables.com/FST/ONO5/HVPWOHQD/FSTONO5HVPWOHQD.SMALL.jpg spaktashabit The detonator works by turning on the switch then holding down the arm button then pushing the red fire button and its powered by a 9v battery What You Need Things you need are a small container, a length if wire, 2 momentary push button switches, a toggle switch, an LED or a Christmas light an...
By: spaktashabit

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Tue, 27 May 2014 18:05:53 PDT
Save $$$, Get A Like New Laptop (or other) Lithium Battery Pack For FREE! http://www.instructables.com/id/Save-Get-A-Like-New-Laptop-or-other-Lithium/ http://cdn.instructables.com/FZX/JGC8/H5TU8JPB/FZXJGC8H5TU8JPB.SQUARE2.jpg http://cdn.instructables.com/FZX/JGC8/H5TU8JPB/FZXJGC8H5TU8JPB.SQUARE.jpg http://cdn.instructables.com/FZX/JGC8/H5TU8JPB/FZXJGC8H5TU8JPB.SMALL.jpg ruggb Well, you'll have to work for it so it isn't totally free. Basically, MANY lithium battery backs can be reset back to almost new condition. I don't fully understand the reason the "smart" internal controllers become dumb and require a reset. I also don't understand why manufacturers don't provide th...
By: ruggb

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Tue, 14 Aug 2012 12:42:35 PDT
USB Speakers Into Portable Battery Powered Speakers! http://www.instructables.com/id/USB-Speakers-Into-Portable-Battery-Powered-Speaker/
USB Speakers Into Portable Battery Powered Speakers! - More DIY How To Projects]]> http://cdn.instructables.com/FWH/OWF7/HV4DD5ZO/FWHOWF7HV4DD5ZO.SQUARE2.jpg http://cdn.instructables.com/FWH/OWF7/HV4DD5ZO/FWHOWF7HV4DD5ZO.SQUARE.jpg http://cdn.instructables.com/FWH/OWF7/HV4DD5ZO/FWHOWF7HV4DD5ZO.SMALL.jpg ctx1985 I bought a set of super cheap USB powered computer speakers on sale for $4 at my local grocery store a while back. I figured for $4, I couldn't really go wrong. They ended up being underpowered and just all around not great. So I thought with a few slight modifications (new amplifier, internal batte...
By: ctx1985

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Wed, 14 May 2014 00:21:23 PDT
Increase battery life for electronics http://www.instructables.com/id/Increase-battery-life-for-electronics-1/
Increase battery life for electronics - More DIY How To Projects]]> http://cdn.instructables.com/F67/MXB0/FITUPRXH/F67MXB0FITUPRXH.SQUARE2.jpg http://cdn.instructables.com/F67/MXB0/FITUPRXH/F67MXB0FITUPRXH.SQUARE.jpg http://cdn.instructables.com/F67/MXB0/FITUPRXH/F67MXB0FITUPRXH.SMALL.jpg Plasmana On this instructable (well, not really an instructable), I will show you a few tips and tricks to increase life for a few different types of batteries for electronics.There has been an instructable about "Increase battery life for electronics" posted already, but this one is a much better version......
By: Plasmana

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Tue, 22 Jul 2008 09:15:11 PDT
How Do Batteries Work? (+DIY Homemade Battery) http://www.instructables.com/id/How-Do-Batteries-Work-DIY-Homemade-Battery/
How Do Batteries Work? (+DIY Homemade Battery) - More DIY How To Projects]]> http://cdn.instructables.com/FDC/U2EO/HURHTQEM/FDCU2EOHURHTQEM.SQUARE2.jpg http://cdn.instructables.com/FDC/U2EO/HURHTQEM/FDCU2EOHURHTQEM.SQUARE.jpg http://cdn.instructables.com/FDC/U2EO/HURHTQEM/FDCU2EOHURHTQEM.SMALL.jpg BAURO Batteries are everywhere. They are in our phones, tablets, laptops, cars, mp3 players, toys, flashlights, clocks, wristwatches ..... And still, most people don't even know how a battery works. In this Instructable you will learn how a battery works and also how to make your own battery. Let's start ...
By: BAURO

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Mon, 5 May 2014 01:58:54 PDT
Rebuild Your Ryobi ONE+ Battery Pack http://www.instructables.com/id/Rebuild-Your-Ryobi-ONE-Battery-Pack/
Rebuild Your Ryobi ONE+ Battery Pack - More DIY How To Projects]]> http://cdn.instructables.com/FKY/KUXC/HU54MH0U/FKYKUXCHU54MH0U.SQUARE2.jpg http://cdn.instructables.com/FKY/KUXC/HU54MH0U/FKYKUXCHU54MH0U.SQUARE.jpg http://cdn.instructables.com/FKY/KUXC/HU54MH0U/FKYKUXCHU54MH0U.SMALL.jpg Marsh I've had my Ryobi ONE+ system for over five years now and the batteries are shot. Let's see what it takes to rebuild one. Tools Needed ScrewdriverWire cutterSoldering ironSolder Take It Apart Remove six screws from the bottom. Pull the black and orange sections apart. Identify The Cells Rem...
By: Marsh

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Fri, 18 Apr 2014 07:46:43 PDT
Augment Your Reality With The iTorch raspberry pi flashlight projector http://www.instructables.com/id/iTorch-raspberry-pi-flashlight-projector/
Augment Your Reality With The iTorch raspberry pi flashlight projector - More DIY How To Projects]]> http://cdn.instructables.com/F52/K12J/HTZY4C3F/F52K12JHTZY4C3F.SQUARE2.jpg http://cdn.instructables.com/F52/K12J/HTZY4C3F/F52K12JHTZY4C3F.SQUARE.jpg http://cdn.instructables.com/F52/K12J/HTZY4C3F/F52K12JHTZY4C3F.SMALL.jpg MrTravisHiggins UPDATE: May 3rd - Playing Minecraft on the newer iTorch :) UPDATE: NEW iTorch 3D printed version! && Finally uploaded some videos, hope you like them. :) Post by ITorch Media Sharing. https://www.facebook.com/photo.php?v=292394047593097 iTorch Media Sharing Created By: T...
By: MrTravisHiggins

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Mon, 14 Apr 2014 18:19:17 PDT
How to Replace Old Computer Batteries http://www.instructables.com/id/How-to-Replace-Old-Computer-Batteries/
How to Replace Old Computer Batteries - More DIY How To Projects]]> http://cdn.instructables.com/F61/BR66/HU1RW9MP/F61BR66HU1RW9MP.SQUARE2.jpg http://cdn.instructables.com/F61/BR66/HU1RW9MP/F61BR66HU1RW9MP.SQUARE.jpg http://cdn.instructables.com/F61/BR66/HU1RW9MP/F61BR66HU1RW9MP.SMALL.jpg Chuck Brown 14 Tried of replacing your batteries every 2 years for you laptop? Now you can change your batteries in your laptop so you will not have to spend $100 on a new battery Start Disconnect the battery from your laptop. There will be 2 tabs on each side of the battery, just slide them to the side and pul...
By: Chuck Brown 14

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Wed, 16 Apr 2014 11:00:11 PDT
Make A Cheap Lithium Battery Pack http://www.instructables.com/id/Make-A-Cheap-Lithium-Battery-Pack/
Make A Cheap Lithium Battery Pack - More DIY How To Projects]]> http://cdn.instructables.com/FWY/NR2T/HU0GLSFQ/FWYNR2THU0GLSFQ.SQUARE2.jpg http://cdn.instructables.com/FWY/NR2T/HU0GLSFQ/FWYNR2THU0GLSFQ.SQUARE.jpg http://cdn.instructables.com/FWY/NR2T/HU0GLSFQ/FWYNR2THU0GLSFQ.SMALL.jpg ASCAS With some few hacking, you can turn your old phone battery into a powerful Lithium battery pack. This is a great alternative for the expensive Lithium-Polymer battery pack. These things work well with Arduinos, DIY robots, speakers or any project that requires a high current power source. What'...
By: ASCAS

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Mon, 14 Apr 2014 20:55:27 PDT
ARDUINO SOLAR CHARGE CONTROLLER (PWM) http://www.instructables.com/id/ARDUINO-SOLAR-CHARGE-CONTROLLER-PWM/
ARDUINO SOLAR CHARGE CONTROLLER (PWM) - More DIY How To Projects]]> http://cdn.instructables.com/F4H/YM6F/HUVPR755/F4HYM6FHUVPR755.SQUARE2.jpg http://cdn.instructables.com/F4H/YM6F/HUVPR755/F4HYM6FHUVPR755.SQUARE.jpg http://cdn.instructables.com/F4H/YM6F/HUVPR755/F4HYM6FHUVPR755.SMALL.jpg deba168 In my previous instructables I described the details of energy monitoring of a off grid solar system.I have also won the 123D circuits competition for that.You can see this ARDUINO ENERGY METER. Please vote for me..... In solar power system, charge controller is the heart of the system which was...
By: deba168

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Wed, 9 Apr 2014 01:49:18 PDT
Easy to Make - Mini Stun Gun http://www.instructables.com/id/Easy-to-Make-Mini-Stun-Gun/
Easy to Make - Mini Stun Gun - More DIY How To Projects]]> http://cdn.instructables.com/FFU/GLLB/GY18RBZB/FFUGLLBGY18RBZB.SQUARE2.jpg http://cdn.instructables.com/FFU/GLLB/GY18RBZB/FFUGLLBGY18RBZB.SQUARE.jpg http://cdn.instructables.com/FFU/GLLB/GY18RBZB/FFUGLLBGY18RBZB.SMALL.jpg lonesoulsurfer   Hi all, I've been wanting to make this project for some time and I have finallly been able to get my hands on the right type of gas lighter to pull apart! Now this thing won't knock you down but It will give you a good old shock - especially if you hack it and add a bit more power to it. Th...
By: lonesoulsurfer

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Tue, 31 Jan 2012 11:53:06 PST
9V Solar Battery Charger http://www.instructables.com/id/9V-Solar-Battery-Charger/
9V Solar Battery Charger - More DIY How To Projects]]> http://cdn.instructables.com/FZ5/XCCB/GM9QK18B/FZ5XCCBGM9QK18B.SQUARE2.jpg http://cdn.instructables.com/FZ5/XCCB/GM9QK18B/FZ5XCCBGM9QK18B.SQUARE.jpg http://cdn.instructables.com/FZ5/XCCB/GM9QK18B/FZ5XCCBGM9QK18B.SMALL.jpg JoshuaZimmerman Did you know that you can buy 9V rechargeable batteries? You can, but they're rare in stores. I recently bought some off ebay to use on projects and loved them. Only downside is that I don't have a 9V battery charger and all the ones I found on ebay are quite expensive.Luckily I'm resourceful and...
By: JoshuaZimmerman

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Tue, 12 Apr 2011 21:28:14 PDT
Mini line tracer http://www.instructables.com/id/Mini-line-tracer/
Mini line tracer - More DIY How To Projects]]> http://cdn.instructables.com/FUU/FW9D/HSJAPV6E/FUUFW9DHSJAPV6E.SQUARE2.jpg http://cdn.instructables.com/FUU/FW9D/HSJAPV6E/FUUFW9DHSJAPV6E.SQUARE.jpg http://cdn.instructables.com/FUU/FW9D/HSJAPV6E/FUUFW9DHSJAPV6E.SMALL.jpg pinomelean This is the story of how i made my first robot, and the instructions to build one yourself. It's a simple line tracer, controlled by two op-amps. No microcontroller, no programming... simple analog circuitry. I tried to make it as small as possible, using SMD components and tiny motors. I'm...
By: pinomelean

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Sun, 23 Mar 2014 07:27:18 PDT
Industrial Electronics Case Speaker http://www.instructables.com/id/Industrial-Electronics-Case-Speaker/
Industrial Electronics Case Speaker - More DIY How To Projects]]> http://cdn.instructables.com/FAJ/UZKQ/HSVGDJMI/FAJUZKQHSVGDJMI.SQUARE2.jpg http://cdn.instructables.com/FAJ/UZKQ/HSVGDJMI/FAJUZKQHSVGDJMI.SQUARE.jpg http://cdn.instructables.com/FAJ/UZKQ/HSVGDJMI/FAJUZKQHSVGDJMI.SMALL.jpg RCS82 Are you in need of a good set of portable speakers? Are your current portable speakers missing a kick ass shoulder strap? Are ammo can speakers just not classy looking enough to take to your more fancy get togethers? Well you're in luck because you have found the Industrial Electronics Case Speaker....
By: RCS82

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Mon, 17 Mar 2014 18:35:01 PDT
The easiest symmetrical power supply http://www.instructables.com/id/The-easiest-symmetrical-power-supply/
The easiest symmetrical power supply - More DIY How To Projects]]> http://cdn.instructables.com/FX2/EGWJ/HSRZF2XE/FX2EGWJHSRZF2XE.SQUARE2.jpg http://cdn.instructables.com/FX2/EGWJ/HSRZF2XE/FX2EGWJHSRZF2XE.SQUARE.jpg http://cdn.instructables.com/FX2/EGWJ/HSRZF2XE/FX2EGWJHSRZF2XE.SMALL.jpg Szabolcs I show you how to make an easy symmetrical power supply for testing circuits where you need positive and negative voltage. like op amp circuits. For example, look at the 741 op amp. Part list: Two new 9V battery 9V battery clip OR another 9V battery (I will explain that later) Here is the "sche...
By: Szabolcs

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Sat, 15 Mar 2014 11:19:52 PDT
Smart mint the solar phone charger http://www.instructables.com/id/Smart-mint-the-solar-phone-charger/
Smart mint the solar phone charger - More DIY How To Projects]]> http://cdn.instructables.com/FYI/3JIV/HS3GV5PG/FYI3JIVHS3GV5PG.SQUARE2.jpg http://cdn.instructables.com/FYI/3JIV/HS3GV5PG/FYI3JIVHS3GV5PG.SQUARE.jpg http://cdn.instructables.com/FYI/3JIV/HS3GV5PG/FYI3JIVHS3GV5PG.SMALL.jpg tech savvy Hello everyone Techsavvy here ,   it been awhile since I posted anything , and I  Thought I owe it to my Awesome subscribers to post something I'v been working on ,  Thanks again guys for your support  ;-)  and fellow users  so to start off by saying a couple of things , well for starters I wante...
By: tech savvy

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Wed, 26 Feb 2014 21:59:47 PST
Dummy Monitor for Photo Shoots and Product Demos http://www.instructables.com/id/Dummy-Monitor-for-Photo-Shoots-and-Product-Demos/
Dummy Monitor for Photo Shoots and Product Demos - More DIY How To Projects]]> http://cdn.instructables.com/F29/YF1Y/H1426LYK/F29YF1YH1426LYK.SQUARE2.jpg http://cdn.instructables.com/F29/YF1Y/H1426LYK/F29YF1YH1426LYK.SQUARE.jpg http://cdn.instructables.com/F29/YF1Y/H1426LYK/F29YF1YH1426LYK.SMALL.jpg jackzylkin For my home business (usbtypewriter.com) I do a lot of product photography showing customized computer workstations.  But setting up a computer workstation for a photo shoot involves a lot of setup (since I have to move the entire workstation from my actual desk over to the photo set), and the ugly ...
By: jackzylkin

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Tue, 17 Apr 2012 11:31:03 PDT
How to check AA/AAA alkaline battery using a voltmeter http://www.instructables.com/id/How-to-check-AAAAA-alkaline-battery-voltage-using/ http://cdn.instructables.com/FNP/VG9V/H4AGJ02G/FNPVG9VH4AGJ02G.SQUARE2.jpg http://cdn.instructables.com/FNP/VG9V/H4AGJ02G/FNPVG9VH4AGJ02G.SQUARE.jpg http://cdn.instructables.com/FNP/VG9V/H4AGJ02G/FNPVG9VH4AGJ02G.SMALL.jpg msurguy We all run into a situation when batteries in our remotes, toys, keyboards/mice run out. If we don't know how to check a battery we might throw out a perfectly fine battery (especially when we have a pile of them somewhere in the drawer).   This electronics tip has to deal with checking common alka...
By: msurguy

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Wed, 11 Jul 2012 15:24:20 PDT
LED skateboard version 3! http://www.instructables.com/id/LED-skateboard-version-3/
LED skateboard version 3! - More DIY How To Projects]]> http://cdn.instructables.com/F5P/AT07/HQB80II2/F5PAT07HQB80II2.SQUARE2.jpg http://cdn.instructables.com/F5P/AT07/HQB80II2/F5PAT07HQB80II2.SQUARE.jpg http://cdn.instructables.com/F5P/AT07/HQB80II2/F5PAT07HQB80II2.SMALL.jpg out-of-the-box Thank you for viewing my instructable! As the title says this is my 3rd led skateboard! But this is actually the first one I am making a 'how to' for. My first led board was alright, It did have a few flaws and aside from just turning it on there wasn't much appeal to it. Yes it did look very nice r...
By: out-of-the-box

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Sat, 11 Jan 2014 14:36:00 PST
from battery to wall wart in 10 minutes (with no soldering) http://www.instructables.com/id/from-battery-to-wall-wart-in-10-minutes-with-no-so/
from battery to wall wart in 10 minutes (with no soldering) - More DIY How To Projects]]> http://cdn.instructables.com/FPQ/5M18/HQ3ZSTF8/FPQ5M18HQ3ZSTF8.SQUARE2.jpg http://cdn.instructables.com/FPQ/5M18/HQ3ZSTF8/FPQ5M18HQ3ZSTF8.SQUARE.jpg http://cdn.instructables.com/FPQ/5M18/HQ3ZSTF8/FPQ5M18HQ3ZSTF8.SMALL.jpg andrea biffi If you like electronic gadgets as I do, you constantly need to charge many batteries, since battery powered devices are still much common. But batteries pollute, disposal has a cost, batteries themselves are not cheap at all if you buy good quality ones. There is also another issue, many devices wor...
By: andrea biffi

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Tue, 7 Jan 2014 11:30:10 PST
Raspberry Pi Rain Box http://www.instructables.com/id/Raspberry-Pi-Rain-Box/
Raspberry Pi Rain Box - More DIY How To Projects]]> http://cdn.instructables.com/FP4/DRUR/HPYORXUW/FP4DRURHPYORXUW.SQUARE2.jpg http://cdn.instructables.com/FP4/DRUR/HPYORXUW/FP4DRURHPYORXUW.SQUARE.jpg http://cdn.instructables.com/FP4/DRUR/HPYORXUW/FP4DRURHPYORXUW.SMALL.jpg Adum24 I find the sound of rain really soothing, and wanted a device to just play rain sounds for me. I figured the Raspberry Pi would be perfect for this. So I wrote a Python script that selects a random number, and, based on the number, selects a rain sound to play. After that, I stuck it in a hobby proj...
By: Adum24

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Sun, 5 Jan 2014 19:30:31 PST