Instructables: exploring - technology - battery - featured http://www.instructables.com Fri, 19 Dec 2014 04:22:06 PST BLOX v1.01 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 Power Stacker is a portable, modular, USB rechargeable lithium-ion battery pack. Stack them together for power hungry projects or separate them for smaller projects with this modular system. The Gerber, BOM, and .STL files are available below.Power Stacker does what other USB rechargeable batteries ...
By: Solarcycle

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Mon, 8 Dec 2014 15:06:18 PST
Light Up Your Head http://www.instructables.com/id/Light-Up-Your-Head/
Light Up Your Head - More DIY How To Projects]]> http://cdn.instructables.com/FKS/6B6Z/I2S6NXOI/FKS6B6ZI2S6NXOI.SQUARE2.jpg http://cdn.instructables.com/FKS/6B6Z/I2S6NXOI/FKS6B6ZI2S6NXOI.SQUARE.jpg http://cdn.instructables.com/FKS/6B6Z/I2S6NXOI/FKS6B6ZI2S6NXOI.SMALL.jpg ohhmyhead The joke goes like this: if you want to make something Steampunk, add gears; if you want to make it CRASHspace, add LEDs.If you know me, you know that I wear bandanas always. I have several dozen (seriously, see the picture in step 1). When it comes time for events like Two Bit Circus' STEAM Carniva...
By: ohhmyhead

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Fri, 21 Nov 2014 19:05:39 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
ATtiny85 Two-Channel Lead Acid Battery Charger http://www.instructables.com/id/ATtiny85-Two-Channel-Lead-Acid-Battery-Charger/
ATtiny85 Two-Channel Lead Acid Battery Charger - More DIY How To Projects]]> http://cdn.instructables.com/FTP/P4AS/I2F209TI/FTPP4ASI2F209TI.SQUARE2.jpg http://cdn.instructables.com/FTP/P4AS/I2F209TI/FTPP4ASI2F209TI.SQUARE.jpg http://cdn.instructables.com/FTP/P4AS/I2F209TI/FTPP4ASI2F209TI.SMALL.gif Superbender Winter just arrived. The enemy of all batteries. Last year this was the season the auxiliary battery of my T3 VW camper bus bit the dust. This likely happened because I neglected to take care of it over the winter months during which the bus is typically parked in my garage. When the auxiliary batte...
By: Superbender

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Wed, 12 Nov 2014 16:27:49 PST
Matchbox Monsters http://www.instructables.com/id/Matchbox-Monsters/
Matchbox Monsters - More DIY How To Projects]]> http://cdn.instructables.com/FKI/QWJJ/I28OI5IN/FKIQWJJI28OI5IN.SQUARE2.jpg http://cdn.instructables.com/FKI/QWJJ/I28OI5IN/FKIQWJJI28OI5IN.SQUARE.jpg http://cdn.instructables.com/FKI/QWJJ/I28OI5IN/FKIQWJJI28OI5IN.SMALL.jpg xGrape Imagine that inside every matchbox lives a tiny monster, each with its own distinct personality. Imagine an entire world built around these tiny monsters. That was the original premise of Matchbox Monsters, an instructible over 2 months in the making, making it the longest project of mine so far. Mo...
By: xGrape

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Sat, 8 Nov 2014 13:41:36 PST
Conductive Poetry http://www.instructables.com/id/Conductive-Poetry/
Conductive Poetry - More DIY How To Projects]]> http://cdn.instructables.com/FCA/CAAI/I24M6HK3/FCACAAII24M6HK3.SQUARE2.jpg http://cdn.instructables.com/FCA/CAAI/I24M6HK3/FCACAAII24M6HK3.SQUARE.jpg http://cdn.instructables.com/FCA/CAAI/I24M6HK3/FCACAAII24M6HK3.SMALL.jpg ohhmyhead All these conductive materials! There's thread, fabric, copper tape, paint, graphite, etc. But what to do with it? One thing to do with conductive paint (such as Bare Conductive) is to incorporate literature and create poetry that lights up! In this Instructable, I'll show you how.See the last step...
By: ohhmyhead

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Thu, 6 Nov 2014 08:36:15 PST
ARDUINO SOLAR CHARGE CONTROLLER ( Version 2.0) http://www.instructables.com/id/ARDUINO-SOLAR-CHARGE-CONTROLLER-Version-20/
ARDUINO SOLAR CHARGE CONTROLLER ( Version 2.0) - More DIY How To Projects]]> http://cdn.instructables.com/FSU/AXUU/I1TR7O0W/FSUAXUUI1TR7O0W.SQUARE2.jpg http://cdn.instructables.com/FSU/AXUU/I1TR7O0W/FSUAXUUI1TR7O0W.SQUARE.jpg http://cdn.instructables.com/FSU/AXUU/I1TR7O0W/FSUAXUUI1TR7O0W.SMALL.jpg deba168 One year ago, I began building my own solar system to provide power for my village house.Initially I made a LM317 based charge controller and an Energy meter for monitoring the system.Finally I made PWM charge controller.In April-2014 I posted my PWM solar charge controller designs on the web,it bec...
By: deba168

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Sun, 26 Oct 2014 05:35:43 PDT
Pumpkin Power! - Battery Made From Pumpkins http://www.instructables.com/id/Pumpkin-Power-Battery-Made-From-Pumpkins/
Pumpkin Power! - Battery Made From Pumpkins - More DIY How To Projects]]> http://cdn.instructables.com/FVT/PSCT/I1TPTU3L/FVTPSCTI1TPTU3L.SQUARE2.jpg http://cdn.instructables.com/FVT/PSCT/I1TPTU3L/FVTPSCTI1TPTU3L.SQUARE.jpg http://cdn.instructables.com/FVT/PSCT/I1TPTU3L/FVTPSCTI1TPTU3L.SMALL.jpg Will_W_76 In the spirit of Halloween, I thought I would expand on the idea of fruit and vegetable batteries and make a battery out of pumpkins! This is a very quick and easy Instructable, so let's get started. Materials Note: This can be done with just one pumpkin. The more pumpkins you use though, the mor...
By: Will_W_76

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Tue, 28 Oct 2014 15:57:31 PDT
Super Simple Inductor Joule Thief! http://www.instructables.com/id/Super-Simple-Inductor-Joule-Thief/
Super Simple Inductor Joule Thief! - More DIY How To Projects]]> http://cdn.instructables.com/FZ0/K0RO/I1K3MMYZ/FZ0K0ROI1K3MMYZ.SQUARE2.jpg http://cdn.instructables.com/FZ0/K0RO/I1K3MMYZ/FZ0K0ROI1K3MMYZ.SQUARE.jpg http://cdn.instructables.com/FZ0/K0RO/I1K3MMYZ/FZ0K0ROI1K3MMYZ.SMALL.jpg DangerousTim Hey Everyone! In this Instructable I'll show you how to make your own simple inductor joule thief, in just under 10 minutes! This circuit is so simple, even those not familiar with electronics can try it out as their first project!What is a Joule Thief?A Joule Thief is a simple electronic circuit, t...
By: DangerousTim

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Tue, 21 Oct 2014 21:47:48 PDT
Mini Electric Motor http://www.instructables.com/id/Mini-Electric-Motor/
Mini Electric Motor - More DIY How To Projects]]> http://cdn.instructables.com/F7M/96WB/I1AVV0Q9/F7M96WBI1AVV0Q9.SQUARE2.jpg http://cdn.instructables.com/F7M/96WB/I1AVV0Q9/F7M96WBI1AVV0Q9.SQUARE.jpg http://cdn.instructables.com/F7M/96WB/I1AVV0Q9/F7M96WBI1AVV0Q9.SMALL.jpg EZHacks This is a really simple and great way to explore electric motors. Kids of all ages will love this and its a great way to see how electricity can be converted into physical motion. Materials Most of these materials you will have at home. Plastic or foam cup 2 paper clips large is best but small wi...
By: EZHacks

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Wed, 15 Oct 2014 10:17:32 PDT
BluetoothBox for Stereo Headphones and Speakers http://www.instructables.com/id/BluetoothBox-for-Stereo-Headphones-and-Speakers/
BluetoothBox for Stereo Headphones and Speakers - More DIY How To Projects]]> http://cdn.instructables.com/FFG/STUF/I1562OIS/FFGSTUFI1562OIS.SQUARE2.jpg http://cdn.instructables.com/FFG/STUF/I1562OIS/FFGSTUFI1562OIS.SQUARE.jpg http://cdn.instructables.com/FFG/STUF/I1562OIS/FFGSTUFI1562OIS.SMALL.jpg funelab Edit: If you really like this project, you can vote for me on the top right corner, for WEAR IT! CONTEST. And don't forget the other 2 contests: TECH and FORMLABS CONTEST. Thank you very much in advance!!!Hi All,I love what my headphones, but a few weeks ago, my friend bought a new bluetooth heads...
By: funelab

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Sun, 12 Oct 2014 19:30:50 PDT
Battery powered hand warmer http://www.instructables.com/id/Battery-powered-hand-warmer/
Battery powered hand warmer - More DIY How To Projects]]> http://cdn.instructables.com/F0V/STX6/I155AP3J/F0VSTX6I155AP3J.SQUARE2.jpg http://cdn.instructables.com/F0V/STX6/I155AP3J/F0VSTX6I155AP3J.SQUARE.jpg http://cdn.instructables.com/F0V/STX6/I155AP3J/F0VSTX6I155AP3J.SMALL.jpg shounaki This is my first instructable so be kind. I wanted to make a hand warmer that was battery powered and rechargeable. I welcome any and all criticism. If you have any questions please feel free to ask. Parts List Tools & Parts Heat resistant tape Hot glue gun knife Soldering iron Balsa wood ...
By: shounaki

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Sat, 11 Oct 2014 19:35:01 PDT
Basic Joule Thief Flashlight http://www.instructables.com/id/Basic-Joule-Thief-Flashlight/
Basic Joule Thief Flashlight - More DIY How To Projects]]> http://cdn.instructables.com/FLG/U08M/I12KGV23/FLGU08MI12KGV23.SQUARE2.jpg http://cdn.instructables.com/FLG/U08M/I12KGV23/FLGU08MI12KGV23.SQUARE.jpg http://cdn.instructables.com/FLG/U08M/I12KGV23/FLGU08MI12KGV23.SMALL.jpg l33tn00b Hello welcome to my second instructable!!! Today I'm going to show you how to build a very simple joule thief flashlight. If you haven't seen my other instructable, check it out for an easier way to power this than I'm going to show you! I know this has been posted/done before, but I just figured...
By: l33tn00b

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Thu, 9 Oct 2014 16:24:12 PDT
SOLO Cup Speaker http://www.instructables.com/id/SOLO-Cup-Speaker/
SOLO Cup Speaker - More DIY How To Projects]]> http://cdn.instructables.com/FK9/6BD7/I0PZ5S5B/FK96BD7I0PZ5S5B.SQUARE2.jpg http://cdn.instructables.com/FK9/6BD7/I0PZ5S5B/FK96BD7I0PZ5S5B.SQUARE.jpg http://cdn.instructables.com/FK9/6BD7/I0PZ5S5B/FK96BD7I0PZ5S5B.SMALL.jpg bergerab Want to be the life of the party this year? Or maybe, like many college students, you want to blast your music way too loud. Awesome. You're in luck because I've designed this SOLO Cup Speaker to bring out that college student that's inside all of us. Because, what is a party without music? And more...
By: bergerab

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Wed, 1 Oct 2014 11:33:13 PDT
How to skate by night - The Beamboarder http://www.instructables.com/id/The-Beamboarder-Lets-You-Skate-at-Night/
How to skate by night - The Beamboarder - More DIY How To Projects]]> http://cdn.instructables.com/F98/C8J5/I0A55LG7/F98C8J5I0A55LG7.SQUARE2.jpg http://cdn.instructables.com/F98/C8J5/I0A55LG7/F98C8J5I0A55LG7.SQUARE.jpg http://cdn.instructables.com/F98/C8J5/I0A55LG7/F98C8J5I0A55LG7.SMALL.jpg LyonCy Runtime:Up to two hours Power:~4W @ 600 LumenPrice:25€ with chargerCreate a magnetic 4 watt high power LED head lamp for applications like longboards out of an old hard disk drive for less than 25 $. The case of the HDD can be recycled to a nice room light.Skating at night can be really dangerous. O...
By: LyonCy

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Wed, 13 Aug 2014 07:49:23 PDT
Recharge-i-fy your 2CR5 Battery http://www.instructables.com/id/Recharge-i-fy-your-2CR5-Battery/
Recharge-i-fy your 2CR5 Battery - More DIY How To Projects]]> http://cdn.instructables.com/FMW/H8LI/HZXYLLUI/FMWH8LIHZXYLLUI.SQUARE2.jpg http://cdn.instructables.com/FMW/H8LI/HZXYLLUI/FMWH8LIHZXYLLUI.SQUARE.jpg http://cdn.instructables.com/FMW/H8LI/HZXYLLUI/FMWH8LIHZXYLLUI.SMALL.jpg Nano_Burger As a heavy user of the Canon EOS film cameras, I can go through the designated battery in short order. Replacement batteries are expensive and getting more so. How can I be a film hipster and not break the bank?? Go rechargeable. Be as hip as you want and environmentally friendly.The camera batter...
By: Nano_Burger

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Thu, 11 Sep 2014 12:04:49 PDT
Octo-Light: LED Camera Ring http://www.instructables.com/id/Octo-Light/
Octo-Light: LED Camera Ring - More DIY How To Projects]]> http://cdn.instructables.com/FV4/Y3P7/HZWJ8GP9/FV4Y3P7HZWJ8GP9.SQUARE2.jpg http://cdn.instructables.com/FV4/Y3P7/HZWJ8GP9/FV4Y3P7HZWJ8GP9.SQUARE.jpg http://cdn.instructables.com/FV4/Y3P7/HZWJ8GP9/FV4Y3P7HZWJ8GP9.SMALL.jpg comsa42 The Octo-Light is a camera ring lamp which is made up of LED light strips. It's cheap to make and perfect for beginner macro photography and video!This lamp is excellent at flooding scenes with uniform light, which softens hard shadows and removes grain. Its' uses range from close-up to medium shots...
By: comsa42

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Wed, 10 Sep 2014 20:00:39 PDT
LED Felt Carrot with Soft Circuits http://www.instructables.com/id/LED-Felt-Carrot-with-Soft-Circuits/
LED Felt Carrot with Soft Circuits - More DIY How To Projects]]> http://cdn.instructables.com/F5O/V4T3/HZS8TFL4/F5OV4T3HZS8TFL4.SQUARE2.jpg http://cdn.instructables.com/F5O/V4T3/HZS8TFL4/F5OV4T3HZS8TFL4.SQUARE.jpg http://cdn.instructables.com/F5O/V4T3/HZS8TFL4/F5OV4T3HZS8TFL4.SMALL.jpg Snax_and_Macs Hi! Have you ever wanted to make a felt carrot that lights up when you touch it? Yes!? Well then this is the Instructables for you!Here's what you need: MaterialsFelt - Green and Orange3V battery2 LED's Needle and orange and green thread Solder/Soldering Iron and conductive material OR Copper Tape C...
By: Snax_and_Macs

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Sun, 7 Sep 2014 10:33:57 PDT
Portable Photobooth (iPad+DSLR) http://www.instructables.com/id/Portable-Photobooth-iPadDSLR/
Portable Photobooth (iPad+DSLR) - More DIY How To Projects]]> http://cdn.instructables.com/F88/ZTI2/HWS3Q3ZC/F88ZTI2HWS3Q3ZC.SQUARE2.jpg http://cdn.instructables.com/F88/ZTI2/HWS3Q3ZC/F88ZTI2HWS3Q3ZC.SQUARE.jpg http://cdn.instructables.com/F88/ZTI2/HWS3Q3ZC/F88ZTI2HWS3Q3ZC.SMALL.jpg acoens After building a photobooth for our wedding, I realized I learned quite a bit that I could do differently after learning the constraints of the project. This is a redesign, incorporating the aspects that worked the best - the hardware and the messaging on the front. After deciding to build a phot...
By: acoens

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Mon, 23 Jun 2014 15:07:20 PDT
555 RGB Rainbow LED Driver (NOT using a 4029) http://www.instructables.com/id/RGB-Rainbow-LED-Driver-An-Alternative-NOT-done-wit/
555 RGB Rainbow LED Driver (NOT using a 4029) - More DIY How To Projects]]> http://cdn.instructables.com/FCD/RYOQ/HYZX8683/FCDRYOQHYZX8683.SQUARE2.jpg http://cdn.instructables.com/FCD/RYOQ/HYZX8683/FCDRYOQHYZX8683.SQUARE.jpg http://cdn.instructables.com/FCD/RYOQ/HYZX8683/FCDRYOQHYZX8683.SMALL.gif A_Teacher | A_Teacher |Ok, so as far as I can tell, this is a unique brand NEW design. The project is in a few contests on instructables at the moment, if you like what I have made, please Vote for it.Calling all Space Cadets: As a way of motivating folks to make the project, I am currently giving away a ...
By: A_Teacher

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Thu, 14 Aug 2014 04:48:27 PDT
Lego Octopus LED Light http://www.instructables.com/id/Lego-Octopus-LED-Light/
Lego Octopus LED Light - More DIY How To Projects]]> http://cdn.instructables.com/FF2/T8UR/HYTNWV7X/FF2T8URHYTNWV7X.SQUARE2.jpg http://cdn.instructables.com/FF2/T8UR/HYTNWV7X/FF2T8URHYTNWV7X.SQUARE.jpg http://cdn.instructables.com/FF2/T8UR/HYTNWV7X/FF2T8URHYTNWV7X.SMALL.gif Tater Zoid In this Instructable we will learn how to take an ordinary Lego octopus and make it awesome with glowing LED lights. This is a relatively easy project but a few tools are involved. We will be soldering and using a Dremel to carve the piece out and to create eye holes. I estimate that this project co...
By: Tater Zoid

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Thu, 14 Aug 2014 12:40:10 PDT
NFC Ring Lock Box http://www.instructables.com/id/NFC-Ring-Lock-Box/
NFC Ring Lock Box - More DIY How To Projects]]> http://cdn.instructables.com/FHT/LNKC/HYHG7R4H/FHTLNKCHYHG7R4H.SQUARE2.jpg http://cdn.instructables.com/FHT/LNKC/HYHG7R4H/FHTLNKCHYHG7R4H.SQUARE.jpg http://cdn.instructables.com/FHT/LNKC/HYHG7R4H/FHTLNKCHYHG7R4H.SMALL.jpg Nairod785 Hi everybody!Welcome to my first instructable! I apologize in advance for my poor level in English.In this step-by-step guide I am going to teach you how to build a simple and very cheap NFC Ring Lock Box ! What you'll need Ok first, the idea was to create a box locked from the inside. Many diffe...
By: Nairod785

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Tue, 5 Aug 2014 14:27:43 PDT
Hack together a powerful pocket USB charger. (6.6 amp hour battery) http://www.instructables.com/id/Hack-together-a-powerful-pocket-USB-charger-66-amp/
Hack together a powerful pocket USB charger. (6.6 amp hour battery) - More DIY How To Projects]]> http://cdn.instructables.com/FHH/4BSM/HY5NVVXY/FHH4BSMHY5NVVXY.SQUARE2.jpg http://cdn.instructables.com/FHH/4BSM/HY5NVVXY/FHH4BSMHY5NVVXY.SQUARE.jpg http://cdn.instructables.com/FHH/4BSM/HY5NVVXY/FHH4BSMHY5NVVXY.SMALL.jpg out-of-the-box Inside the well known altoids tin lies three 2,200 mah lithium ion batteries. All three are ran in parallel to create a 6,600 mah or 6.6 amp battery. Which triples the charge time! Meaning if one battery can charge your phone 75 percent than three can triple that! 75x3=225 percent!This project was m...
By: out-of-the-box

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Tue, 29 Jul 2014 09:11:58 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
LED Foam Bracelet http://www.instructables.com/id/LED-Foam-Bracelet/
LED Foam Bracelet - More DIY How To Projects]]> http://cdn.instructables.com/F03/O09J/HXLMF5PN/F03O09JHXLMF5PN.SQUARE2.jpg http://cdn.instructables.com/F03/O09J/HXLMF5PN/F03O09JHXLMF5PN.SQUARE.jpg http://cdn.instructables.com/F03/O09J/HXLMF5PN/F03O09JHXLMF5PN.SMALL.jpg Warriorlibrarian Make a fun light up bracelet with foam, an LED and a 3v coin battery. It's easy, fun and flashy! Materials Needed: Fun foam Fun foam flowers or other shapes Self-adhesive copper tape LED Lamp3v coin battery Self-adhesive velcro tabs Glue dot squares To Start Cut a foam strip to fit wrist. Th...
By: Warriorlibrarian

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Mon, 14 Jul 2014 14:51:10 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
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
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
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
Wirelessly Controlled Robotic Hand http://www.instructables.com/id/Wireless-Controlled-Robotic-Hand/
Wirelessly 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
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
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
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
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
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
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
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
Cree Flashlight Color Change http://www.instructables.com/id/Cree-Flashlight-Upgrade/
Cree Flashlight Color Change - 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
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
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
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
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
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