Instructables: exploring - technology - battery http://www.instructables.com Thu, 23 Oct 2014 05:39:21 PDT BLOX v1.01 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
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]]> http://cdn.instructables.com/FD5/USRL/I1IQB3YZ/FD5USRLI1IQB3YZ.SQUARE2.jpg http://cdn.instructables.com/FD5/USRL/I1IQB3YZ/FD5USRLI1IQB3YZ.SQUARE.jpg http://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
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
The Solar Battery http://www.instructables.com/id/The-Solar-Battery/
The Solar Battery - More DIY How To Projects]]> http://cdn.instructables.com/FPG/OSBU/I1C1HBB9/FPGOSBUI1C1HBB9.SQUARE2.jpg http://cdn.instructables.com/FPG/OSBU/I1C1HBB9/FPGOSBUI1C1HBB9.SQUARE.jpg http://cdn.instructables.com/FPG/OSBU/I1C1HBB9/FPGOSBUI1C1HBB9.SMALL.jpg changingelectronics Batteries.Think about that word. They are pretty much EVERYWHERE. If you think about it, we use them EVERYWHERE, too. They are inside our phones, our tablets, our iPods (Which I use to take my pictures. If they're low quality, you know why. Light around it makes it look WAY better.), our iPhones, ou...
By: changingelectronics

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Wed, 15 Oct 2014 09:47:27 PDT
Add Power Adapter to Camera http://www.instructables.com/id/Add-Power-Adapter-to-Digital-Camera/
Add Power Adapter to Camera - More DIY How To Projects]]> http://cdn.instructables.com/FRF/HGFG/I1943VDQ/FRFHGFGI1943VDQ.SQUARE2.jpg http://cdn.instructables.com/FRF/HGFG/I1943VDQ/FRFHGFGI1943VDQ.SQUARE.jpg http://cdn.instructables.com/FRF/HGFG/I1943VDQ/FRFHGFGI1943VDQ.SMALL.jpg EvanKale Adding a power adapter to a digital camera will let you power your camera from a wall outlet.This is especially useful for those who want longer recording times from their cameras without having to recharge their batteries often. This can also be used to revive that old digital camera with a dead ba...
By: EvanKale

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Tue, 14 Oct 2014 14:42:46 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
RV Power Monitor http://www.instructables.com/id/RV-Power-Monitor/
RV Power Monitor - More DIY How To Projects]]> http://cdn.instructables.com/FEH/GEI3/I1695EH6/FEHGEI3I1695EH6.SQUARE2.jpg http://cdn.instructables.com/FEH/GEI3/I1695EH6/FEHGEI3I1695EH6.SQUARE.jpg http://cdn.instructables.com/FEH/GEI3/I1695EH6/FEHGEI3I1695EH6.SMALL.jpg rovingcraftshop I wanted to be able to monitor my RV power grid from the drivers seat and anywhere in the bus. So the wheels got to turning again. Supplies This is a very simple and inexpensive project. However it can save considerable hardship and foresee problems. Total cost for this was less that $40.00. ...
By: rovingcraftshop

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Sun, 12 Oct 2014 05:10:01 PDT
Old-School Laptop Mod http://www.instructables.com/id/Old-School-Laptop-Mod/
Old-School Laptop Mod - More DIY How To Projects]]> http://cdn.instructables.com/FUI/VNP9/I16959T8/FUIVNP9I16959T8.SQUARE2.jpg http://cdn.instructables.com/FUI/VNP9/I16959T8/FUIVNP9I16959T8.SQUARE.jpg http://cdn.instructables.com/FUI/VNP9/I16959T8/FUIVNP9I16959T8.SMALL.jpg shannondude Ever wanted to take fast notes? Ever ran out of power or paper?Build you laptop that works without power for less than 1,-€ (approx. 0.8 US$). My laptop has officially become the most Old-School of them all!Technically it is immortal now even though it is also technically obsolete :) Materials 1 ...
By: shannondude

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Sun, 12 Oct 2014 04:20:34 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
Timex Battery Replacement http://www.instructables.com/id/Timex-Battery-Replacement/
Timex Battery Replacement - More DIY How To Projects]]> http://cdn.instructables.com/FDU/64WQ/I155KBCD/FDU64WQI155KBCD.SQUARE2.jpg http://cdn.instructables.com/FDU/64WQ/I155KBCD/FDU64WQI155KBCD.SQUARE.jpg http://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
Soldering Directly to a Battery http://www.instructables.com/id/Soldering-Directly-to-a-Battery/
Soldering Directly to a Battery - More DIY How To Projects]]> http://cdn.instructables.com/F63/D8C4/I11YUX3D/F63D8C4I11YUX3D.SQUARE2.jpg http://cdn.instructables.com/F63/D8C4/I11YUX3D/F63D8C4I11YUX3D.SQUARE.jpg http://cdn.instructables.com/F63/D8C4/I11YUX3D/F63D8C4I11YUX3D.SMALL.jpg faraday_rage *Mixing high heat and batteries is very dangerous. This Instructable is only for those who absolutely 100% need to solder directly to a battery. Please be careful, and proceed at your own risk.*First thing's first, there are plenty of options where you can completely avoid soldering directly to a ba...
By: faraday_rage

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Thu, 9 Oct 2014 12:04:12 PDT
TWO Easy ways to make a coin cell battery holder. http://www.instructables.com/id/TWO-Easy-ways-to-make-a-coin-cell-battery-holder/
TWO Easy ways to make a coin cell battery holder. - More DIY How To Projects]]> http://cdn.instructables.com/FPB/CRUR/I11YUJSL/FPBCRURI11YUJSL.SQUARE2.jpg http://cdn.instructables.com/FPB/CRUR/I11YUJSL/FPBCRURI11YUJSL.SQUARE.jpg http://cdn.instructables.com/FPB/CRUR/I11YUJSL/FPBCRURI11YUJSL.SMALL.jpg Faizshaikh Hey guys, today i will make a quick tutorial on how you can make a coin cell battery holder with just parts laying around. Parts needed. For method 1.1. Some Paper clips.2. Super Glue 3.Small piece of plastic.For Method 2.1.Paper Clips.2. Cap of watercolors (or anything in which your cell can fi...
By: Faizshaikh

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Thu, 9 Oct 2014 11:02:21 PDT
Battery safety with Sugru http://www.instructables.com/id/Battery-safety-with-Sugru/
Battery safety with Sugru - More DIY How To Projects]]> http://cdn.instructables.com/F67/C89Z/I0VP27N4/F67C89ZI0VP27N4.SQUARE2.jpg http://cdn.instructables.com/F67/C89Z/I0VP27N4/F67C89ZI0VP27N4.SQUARE.jpg http://cdn.instructables.com/F67/C89Z/I0VP27N4/F67C89ZI0VP27N4.SMALL.jpg MatB We spotted some 12V gel-cell batteries at Northackon's Sugru build night. But only some had safety tags on the positive connectors. Aha, a job for Sugru! Make Sugru blob This Instructable is very very simple.Take a small piece of Sugru (preferably Red) and roll it into a small blob.Place the blob...
By: MatB

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Tue, 7 Oct 2014 12:35:25 PDT
How To Change Watch Battery http://www.instructables.com/id/How-To-Change-Watch-Battery/
How To Change Watch Battery - More DIY How To Projects]]> http://cdn.instructables.com/FZ7/SRN1/I0VOZ0A4/FZ7SRN1I0VOZ0A4.SQUARE2.jpg http://cdn.instructables.com/FZ7/SRN1/I0VOZ0A4/FZ7SRN1I0VOZ0A4.SQUARE.jpg http://cdn.instructables.com/FZ7/SRN1/I0VOZ0A4/FZ7SRN1I0VOZ0A4.SMALL.jpg kaisertallakson Step 1 Unscrew all of the screws on the back of the watch. Step 2 Use something like a knife to pry open the back but be careful not to cut the seal. Step 3 Now just take out the battery then put the new one in. Then put the back on but make sure that the seal is placed right so it will be...
By: kaisertallakson

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Mon, 6 Oct 2014 18:02:17 PDT
Penny Battery http://www.instructables.com/id/Penny-Battery-1/
Penny Battery - More DIY How To Projects]]> http://cdn.instructables.com/FG1/2DTL/HXEZ6XEQ/FG12DTLHXEZ6XEQ.SQUARE2.jpg http://cdn.instructables.com/FG1/2DTL/HXEZ6XEQ/FG12DTLHXEZ6XEQ.SQUARE.jpg http://cdn.instructables.com/FG1/2DTL/HXEZ6XEQ/FG12DTLHXEZ6XEQ.SMALL.jpg l33tn00b Hello and welcome to my first instructable!!! I want to start posting all my projects on here so I figured I would post one of my favorites, the penny battery!!!This is a great project to know for those into survival. What I have done to expand this project is hook my homemade penny battery to a j...
By: l33tn00b

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Mon, 6 Oct 2014 15:17:14 PDT
Battery powered usb 2.0 hub http://www.instructables.com/id/Battery-powered-usb-20-hub/
Battery powered usb 2.0 hub - More DIY How To Projects]]> http://cdn.instructables.com/FKV/IVNK/I0UTQSZ5/FKVIVNKI0UTQSZ5.SQUARE2.jpg http://cdn.instructables.com/FKV/IVNK/I0UTQSZ5/FKVIVNKI0UTQSZ5.SQUARE.jpg http://cdn.instructables.com/FKV/IVNK/I0UTQSZ5/FKVIVNKI0UTQSZ5.SMALL.jpg DavidN71 I saw no commercial battery powered usb hubs that looked suitable for my laptop. Those who own MacBook Pros know how wimpy Apple's usb ports are. The camera I used to take the pictures for this Instructable will crash the usb port it's pulled into unless I use a cable with a choke coil on it.I frequ...
By: DavidN71

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Mon, 6 Oct 2014 08:23:40 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
Rechargable Flashlight PowerBank http://www.instructables.com/id/Rechargable-Flashlight-PowerBank/
Rechargable Flashlight PowerBank - More DIY How To Projects]]> http://cdn.instructables.com/F2D/3CRJ/I0PYTPAW/F2D3CRJI0PYTPAW.SQUARE2.jpg http://cdn.instructables.com/F2D/3CRJ/I0PYTPAW/F2D3CRJI0PYTPAW.SQUARE.jpg http://cdn.instructables.com/F2D/3CRJ/I0PYTPAW/F2D3CRJI0PYTPAW.SMALL.jpg ChrisH6 I was messing around with a power bank that I had when I noticed that it would be extremely easy to add a couple diodes to the end of this, and have it still be able to charge your electronics! Yes I know that they sell these, but I just wanted to experiment on what I could do with this. A little ba...
By: ChrisH6

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Tue, 30 Sep 2014 19:28:51 PDT
Renew your Sealed Lead Acid (SLA) battery with Distilled Water! http://www.instructables.com/id/Renew-your-Sealed-Lead-Acid-SLA-battery-with-Disti/
Renew your Sealed Lead Acid (SLA) battery with Distilled Water! - More DIY How To Projects]]> http://cdn.instructables.com/FCI/SKBT/I02YHU9M/FCISKBTI02YHU9M.SQUARE2.jpg http://cdn.instructables.com/FCI/SKBT/I02YHU9M/FCISKBTI02YHU9M.SQUARE.jpg http://cdn.instructables.com/FCI/SKBT/I02YHU9M/FCISKBTI02YHU9M.SMALL.jpg vanwinklec SLA stands for Sealed Lead Acid. It is a type of lead acid battery that more secure and can be found in anything from Home Security systems to electric bike batteries and just like Car Batteries which are standard Lead acid batteries, SLA batteries can dry up too!This instructable was inspired by ht...
By: vanwinklec

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Sun, 14 Sep 2014 17:10:22 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
Arduino powered Solar Battery Charger http://www.instructables.com/id/Arduino-powered-Solar-Battery-Charger/
Arduino powered Solar Battery Charger - More DIY How To Projects]]> http://cdn.instructables.com/F5S/II3C/HZQTDLQS/F5SII3CHZQTDLQS.SQUARE2.jpg http://cdn.instructables.com/F5S/II3C/HZQTDLQS/F5SII3CHZQTDLQS.SQUARE.jpg http://cdn.instructables.com/F5S/II3C/HZQTDLQS/F5SII3CHZQTDLQS.SMALL.jpg skygate The following design is for a Solar battery charger ran by an Arduino Nano. It can handle a standard lead acid 12V battery, like for a scooter or a car. Furthermore the design has been tested and runs with 90% efficiency under 70ᵒC (158ᵒF). It can take up to 20V on the input site of the charger. Al...
By: skygate

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Sat, 6 Sep 2014 10:52:55 PDT
LED Pen Torch http://www.instructables.com/id/LED-Pen-Torch/
LED Pen Torch - More DIY How To Projects]]> http://cdn.instructables.com/FWP/YCJO/HZPDYNB4/FWPYCJOHZPDYNB4.SQUARE2.jpg http://cdn.instructables.com/FWP/YCJO/HZPDYNB4/FWPYCJOHZPDYNB4.SQUARE.jpg http://cdn.instructables.com/FWP/YCJO/HZPDYNB4/FWPYCJOHZPDYNB4.SMALL.jpg abhirooprobotics In My City There Happens To Be A Frequent Power Cut And Also There Is Deficiency Of Street Lights !So One Day When I Was Roaming In The Streets In My Locality Which Barely Has Any Street Lights , I Saw Many Peoples Walking In The Streets While Holding A Torch In Their Hands To Guide Them In The Dark...
By: abhirooprobotics

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Fri, 5 Sep 2014 11:56:07 PDT
SPLat EC1 based AA and AAA battery tester with bar graph http://www.instructables.com/id/SPLat-EC1-based-AA-and-AAA-battery-tester-with-bar/
SPLat EC1 based AA and AAA battery tester with bar graph - More DIY How To Projects]]> http://cdn.instructables.com/F8Z/YBSE/HZI9B44S/F8ZYBSEHZI9B44S.SQUARE2.jpg http://cdn.instructables.com/F8Z/YBSE/HZI9B44S/F8ZYBSEHZI9B44S.SQUARE.jpg http://cdn.instructables.com/F8Z/YBSE/HZI9B44S/F8ZYBSEHZI9B44S.SMALL.jpg kf7oor A simple and easy to program AA battery tester that can test all 1.5V batteries and can be re-programmed to test up to 3.3V batteries!Parts:1 LED common cathode bar graph or equivalent 1.8V forward voltage and 10mA per LED (I use multiple rectangular leds glued together and negatives soldered togeth...
By: kf7oor

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Sun, 31 Aug 2014 22:57:47 PDT
How to know a fake 18650 battery http://www.instructables.com/id/How-to-know-a-fake-18650-battery/
How to know a fake 18650 battery - More DIY How To Projects]]> http://cdn.instructables.com/FAW/NZ23/HZI90O5V/FAWNZ23HZI90O5V.SQUARE2.jpg http://cdn.instructables.com/FAW/NZ23/HZI90O5V/FAWNZ23HZI90O5V.SQUARE.jpg http://cdn.instructables.com/FAW/NZ23/HZI90O5V/FAWNZ23HZI90O5V.SMALL.jpg danleow An average genuine 18650 batteries will weigh about 45g and no nothing less than 42g. You can see I have a fake 18650 battery in the pic weigh 32g only and the genuine 18650 battery weight 45g. Some genuine 18650 battery can weigh more than 50g. Good brands will tell you the weight of the battery. Y...
By: danleow

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Sun, 31 Aug 2014 18:15:24 PDT
Big phone battery http://www.instructables.com/id/Big-phone-battery/
Big phone battery - More DIY How To Projects]]> http://cdn.instructables.com/FCA/A85Y/HZI8ZRMM/FCAA85YHZI8ZRMM.SQUARE2.jpg http://cdn.instructables.com/FCA/A85Y/HZI8ZRMM/FCAA85YHZI8ZRMM.SQUARE.jpg http://cdn.instructables.com/FCA/A85Y/HZI8ZRMM/FCAA85YHZI8ZRMM.SMALL.jpg marc.cryan Run a smart phone directly from a car battery and/or solar panel. Useful if the USB charging port is broken. Or you need a huge cellphone batty.For 6 bucks you can get an old smartphone online using Ting -- 12volt to 3.7volt DC-to-DC converter The cell phone battery gives 3.7volts. So you ne...
By: marc.cryan

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Sun, 31 Aug 2014 16:13:22 PDT
Light up a LED with one AA-battery (in a solar lamp) http://www.instructables.com/id/Light-up-a-LED-with-one-AA-battery-in-a-solar-lamp/
Light up a LED with one AA-battery (in a solar lamp) - More DIY How To Projects]]> http://cdn.instructables.com/FSZ/IH5X/HZGTF7U9/FSZIH5XHZGTF7U9.SQUARE2.jpg http://cdn.instructables.com/FSZ/IH5X/HZGTF7U9/FSZIH5XHZGTF7U9.SQUARE.jpg http://cdn.instructables.com/FSZ/IH5X/HZGTF7U9/FSZIH5XHZGTF7U9.SMALL.jpg Tom_Toffi In my lastest project i want to build a little solar lamp. So i went to my local electronics distributor and want to buy i little solar cell. The solar cell has an output of 2V and the battery an maximum output of 1.2V, which is quite to low to drive any standard white LED. Sure there is an easy way...
By: Tom_Toffi

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Sat, 30 Aug 2014 16:03:48 PDT
Boost your Cheap, Battery-Powered Air Pump http://www.instructables.com/id/Boost-your-Cheap-Battery-Powered-Air-Pump/
Boost your Cheap, Battery-Powered Air Pump - More DIY How To Projects]]> http://cdn.instructables.com/FNO/JD4R/HZCJ1456/FNOJD4RHZCJ1456.SQUARE2.jpg http://cdn.instructables.com/FNO/JD4R/HZCJ1456/FNOJD4RHZCJ1456.SQUARE.jpg http://cdn.instructables.com/FNO/JD4R/HZCJ1456/FNOJD4RHZCJ1456.SMALL.jpg diyboy1 So, are your batteries always draining so fast in your air-mattress pump? Well, there's an easy fix. Items Needed 1: Battery powered air mattress pump2: Wall wart3: Soldering iron4: Solder5: Hobby knifeThe pump I used runs on four D cells. That's six volts, and I had just gotten a wall wart from ...
By: diyboy1

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Thu, 28 Aug 2014 01:54:59 PDT
Ebike Upgrades: SLA Battery Wiring and Charging http://www.instructables.com/id/Ebike-Upgrades-SLA-Battery-Wiring-and-Charging/
Ebike Upgrades: SLA Battery Wiring and Charging - More DIY How To Projects]]> http://cdn.instructables.com/FBP/JGZK/HZB3L23S/FBPJGZKHZB3L23S.SQUARE2.jpg http://cdn.instructables.com/FBP/JGZK/HZB3L23S/FBPJGZKHZB3L23S.SQUARE.jpg http://cdn.instructables.com/FBP/JGZK/HZB3L23S/FBPJGZKHZB3L23S.SMALL.jpg kellerrobotics Well I've been riding my electric bike a lot lately, and its about time to do a little check up and service on it and prepare it for upgrades! I plan on upgrading to a 2000w controller along with eventually using Li-Ion (lithium ion.)Also if you want to see more projects like this, be sure to check ...
By: kellerrobotics

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Wed, 27 Aug 2014 05:55:23 PDT
DIY batteries http://www.instructables.com/id/DIY-batteries/
DIY batteries - More DIY How To Projects]]> http://cdn.instructables.com/FFK/B244/HZ9O6YOS/FFKB244HZ9O6YOS.SQUARE2.jpg http://cdn.instructables.com/FFK/B244/HZ9O6YOS/FFKB244HZ9O6YOS.SQUARE.jpg http://cdn.instructables.com/FFK/B244/HZ9O6YOS/FFKB244HZ9O6YOS.SMALL.jpg Djnix This is an instructable about different pile batteries you can make and what are the best kind. I only do one cathode, anode and electrolyte, but you can do many more to increase the power. Video :)
By: Djnix

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Tue, 26 Aug 2014 05:49:54 PDT
Super Simple Flashlight http://www.instructables.com/id/Super-Simple-Flashlight/
Super Simple Flashlight - More DIY How To Projects]]> http://cdn.instructables.com/FEZ/0YAD/HZ6T824C/FEZ0YADHZ6T824C.SQUARE2.jpg http://cdn.instructables.com/FEZ/0YAD/HZ6T824C/FEZ0YADHZ6T824C.SQUARE.jpg http://cdn.instructables.com/FEZ/0YAD/HZ6T824C/FEZ0YADHZ6T824C.SMALL.jpg Collin Chidiac In this Instructable I will teach you how to make a simple flashlight! Gather Materials For this project you will need...Small light bulbAluminum foil9v batteryHot glue gunThats it! Bulb to battery Hold the small bulb horizontally on the negative lead and hot glue it to where it is still touch...
By: Collin Chidiac

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Sat, 23 Aug 2014 11:09:31 PDT
Sealed battery box 12v/24v with a switch http://www.instructables.com/id/Sealed-battery-box-12v24v-with-a-switch/
Sealed battery box 12v/24v with a switch - More DIY How To Projects]]> http://cdn.instructables.com/F8Y/6BDP/HZ3YBNPN/F8Y6BDPHZ3YBNPN.SQUARE2.jpg http://cdn.instructables.com/F8Y/6BDP/HZ3YBNPN/F8Y6BDPHZ3YBNPN.SQUARE.jpg http://cdn.instructables.com/F8Y/6BDP/HZ3YBNPN/F8Y6BDPHZ3YBNPN.SMALL.jpg RehabIsForQuitters In this instructable I will show you how to build a sealed battery box. It's not completely water tight but rain is no problem for it. Since building this I have found it to be a great mobile power supply for many things even running power tools while camping where there are no electric hookups.The ...
By: RehabIsForQuitters

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Thu, 21 Aug 2014 12:49:03 PDT
Adjustable Battery Pile http://www.instructables.com/id/Adjustable-Battery-Pile/
Adjustable Battery Pile - More DIY How To Projects]]> http://cdn.instructables.com/FRG/RIK8/HZ5DSVDW/FRGRIK8HZ5DSVDW.SQUARE2.jpg http://cdn.instructables.com/FRG/RIK8/HZ5DSVDW/FRGRIK8HZ5DSVDW.SQUARE.jpg http://cdn.instructables.com/FRG/RIK8/HZ5DSVDW/FRGRIK8HZ5DSVDW.SMALL.jpg BeachsideHank A simple undertaking made with recovered assets, this device offers a good use for less than fully charged batteries since multiples of the series may deliver a useable voltage for benchtop projects. Further, they provide pure D.C., sometimes desirable for prototyping circuits that don't handle "dir...
By: BeachsideHank

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Thu, 21 Aug 2014 11:53:33 PDT
Electricity Generating Shoe Insole http://www.instructables.com/id/Electricity-Generating-Shoe-Insole/
Electricity Generating Shoe Insole - More DIY How To Projects]]> http://cdn.instructables.com/FMN/YVJL/HZ3YC755/FMNYVJLHZ3YC755.SQUARE2.jpg http://cdn.instructables.com/FMN/YVJL/HZ3YC755/FMNYVJLHZ3YC755.SQUARE.jpg http://cdn.instructables.com/FMN/YVJL/HZ3YC755/FMNYVJLHZ3YC755.SMALL.jpg appleman123987 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: appleman123987

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Thu, 21 Aug 2014 11:30:52 PDT
3V battery from two AA batteries http://www.instructables.com/id/3V-battery-from-two-AA-batteries/
3V battery from two AA batteries - More DIY How To Projects]]> http://cdn.instructables.com/FOV/3RV4/HZ2IULL6/FOV3RV4HZ2IULL6.SQUARE2.jpg http://cdn.instructables.com/FOV/3RV4/HZ2IULL6/FOV3RV4HZ2IULL6.SQUARE.jpg http://cdn.instructables.com/FOV/3RV4/HZ2IULL6/FOV3RV4HZ2IULL6.SMALL.jpg ruhliar Let´s make 3V Battery!!!What do we need?2x AA Battery1x Led of any colour1x pin1x pliersand a tape Stooping the pin. Take your pin and your pliers and make a bend on the end of pin. Taping up the batteries. 1.5+1.5=3 Put the bent pin on the batteries and cover it by tape. That´s finish!!...
By: ruhliar

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Wed, 20 Aug 2014 08:34:38 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
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
Bucking Battery http://www.instructables.com/id/Bucking-Battery/
Bucking Battery - More DIY How To Projects]]> http://cdn.instructables.com/FZJ/SMIS/HYTIYS7B/FZJSMISHYTIYS7B.SQUARE2.jpg http://cdn.instructables.com/FZJ/SMIS/HYTIYS7B/FZJSMISHYTIYS7B.SQUARE.jpg http://cdn.instructables.com/FZJ/SMIS/HYTIYS7B/FZJSMISHYTIYS7B.SMALL.jpg Collin Chidiac Using a couple of components you can build yourself a bucking 9v battery toy easy and fun! Get materials For this project you will need1 9v battery1 Switch1 motorSome 18 gauge wireHot glue gun Building Glue your motor to your battery with the wires pointing up as to allow easy access. Attach...
By: Collin Chidiac

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Wed, 13 Aug 2014 21:19:48 PDT
How to skate at night - The Beamboarder http://www.instructables.com/id/The-Beamboarder-Lets-You-Skate-at-Night/
How to skate at 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
solar charger indipendent http://www.instructables.com/id/solar-charger-indipendent/
solar charger indipendent - More DIY How To Projects]]> http://cdn.instructables.com/FBC/JO8D/HYR3H8GX/FBCJO8DHYR3H8GX.SQUARE2.jpg http://cdn.instructables.com/FBC/JO8D/HYR3H8GX/FBCJO8DHYR3H8GX.SQUARE.jpg http://cdn.instructables.com/FBC/JO8D/HYR3H8GX/FBCJO8DHYR3H8GX.SMALL.jpg alby21europa solution of the no electric current next to you... Convert !! a old ac battery charger at end life...... I cut all part to cam on AC current (220volt),plastic parts.....i conserve the electronics circuit....... Connect and build a solar panel.... i build a mini solar panel(one + one.....2....
By: alby21europa

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Tue, 12 Aug 2014 16:44:13 PDT
Arduino low Power Project. http://www.instructables.com/id/Arduino-low-Project-and-code/
Arduino low Power Project. - More DIY How To Projects]]> http://cdn.instructables.com/F67/2MGV/HYNYTVYX/F672MGVHYNYTVYX.SQUARE2.jpg http://cdn.instructables.com/F67/2MGV/HYNYTVYX/F672MGVHYNYTVYX.SQUARE.jpg http://cdn.instructables.com/F67/2MGV/HYNYTVYX/F672MGVHYNYTVYX.SMALL.jpg Rustie0125 Hi Ladies and Gents I recently decided that I will investigate the Arduino Sleep Library and see how long I can get an Arduino to run of a single N size1.5v Battery. Yes ! of a 1.5V battery. if you are interested here is what you will need. 1) N size battery 2) N size battery Holder 3) 1v- 3.3v Step...
By: Rustie0125

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Tue, 12 Aug 2014 10:54:49 PDT
1s lipo receiver battery http://www.instructables.com/id/1s-lipo-receiver-battery/
1s lipo receiver battery - More DIY How To Projects]]> http://cdn.instructables.com/F4W/LTJ6/HYQDVYS4/F4WLTJ6HYQDVYS4.SQUARE2.jpg http://cdn.instructables.com/F4W/LTJ6/HYQDVYS4/F4WLTJ6HYQDVYS4.SQUARE.jpg http://cdn.instructables.com/F4W/LTJ6/HYQDVYS4/F4WLTJ6HYQDVYS4.SMALL.jpg Unboxingexperience7 A single 1s Lipo cell is sufficient for most of the new RC receivers. You can easily make it on your own.All you need isa 1s lipoa receiver battery cablesoldering ironsoldering tin Soldering solder the receiver battery cable to - and + of the 1s lipo Be careful not to overheat the lipo when solde...
By: Unboxingexperience7

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Tue, 12 Aug 2014 10:05:58 PDT
DC Versus AC http://www.instructables.com/id/DC-Versus-AC/
DC Versus AC - More DIY How To Projects]]> http://cdn.instructables.com/FVS/DNVQ/HYR3C0UO/FVSDNVQHYR3C0UO.SQUARE2.jpg http://cdn.instructables.com/FVS/DNVQ/HYR3C0UO/FVSDNVQHYR3C0UO.SQUARE.jpg http://cdn.instructables.com/FVS/DNVQ/HYR3C0UO/FVSDNVQHYR3C0UO.SMALL.jpg KRA5H Direct current (DC)In a DC (direct current) circuit where the electricity flows in one direction, we can think of a battery as a storage tank like the water tower in your neighborhood. If nobody turned on their faucet, the water in the tower would just sit there. Forever. Physicists like to think of...
By: KRA5H

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Tue, 12 Aug 2014 09:51:14 PDT
Pure Siesta Mi UPS (Uninterruptible Power Supply) http://www.instructables.com/id/Pure-Siesta-Mi-UPS-Uninterruptible-Power-Supply/
Pure Siesta Mi UPS (Uninterruptible Power Supply) - More DIY How To Projects]]> http://cdn.instructables.com/F6O/629W/HYSITJQL/F6O629WHYSITJQL.SQUARE2.jpg http://cdn.instructables.com/F6O/629W/HYSITJQL/F6O629WHYSITJQL.SQUARE.jpg http://cdn.instructables.com/F6O/629W/HYSITJQL/F6O629WHYSITJQL.SMALL.jpg PhantomFreak As these alarm clocks use Mini USB for their power supply, you can construct a very simple UPS using parts available on the likes of eBay. This is possible on both the Series 1 (pure in top left corner & Siesta Mi in top right corner of front) & Series 2 (pure written below screen) version.Parts you...
By: PhantomFreak

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Mon, 11 Aug 2014 12:16:41 PDT
simple robot http://www.instructables.com/id/simple-robot-1/
simple robot - More DIY How To Projects]]> http://cdn.instructables.com/FBR/JJY1/HYO8FU9H/FBRJJY1HYO8FU9H.SQUARE2.jpg http://cdn.instructables.com/FBR/JJY1/HYO8FU9H/FBRJJY1HYO8FU9H.SQUARE.jpg http://cdn.instructables.com/FBR/JJY1/HYO8FU9H/FBRJJY1HYO8FU9H.SMALL.jpg robobot3112 I had a gh-311rt ultrasonic sensor which did not have a datasheet. So i ran it with a ping))) program. You can easily try it with the cheapest 3 pin sensor . No need to go after ping))) Get the stuff here is what you need.1x Gh 311-rt sensor (if you have ping))) use it.If you have hc sr04 modulat...
By: robobot3112

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Sun, 10 Aug 2014 05:49:30 PDT
"Recycled Solar Charged USB Charger 2 The Second Build" http://www.instructables.com/id/Recycled-Solar-Charged-USB-Charger-2-The-Second-Bu/
"Recycled Solar Charged USB Charger 2 The Second Build" - More DIY How To Projects]]> http://cdn.instructables.com/FTH/OHDW/HYLDP600/FTHOHDWHYLDP600.SQUARE2.jpg http://cdn.instructables.com/FTH/OHDW/HYLDP600/FTHOHDWHYLDP600.SQUARE.jpg http://cdn.instructables.com/FTH/OHDW/HYLDP600/FTHOHDWHYLDP600.SMALL.jpg MoTinkerGNome Howdy y'all I wrote a quick little instructable a while back about how I took some salvage stuff and made a Solar phone charger. I would like to introduce you all to "Recycled Solar Charged USB Charger 2 The Second Build". The only thing that was reused was the panel from the first build. http://ww...
By: MoTinkerGNome

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Sat, 9 Aug 2014 10:00:58 PDT
Mini LED Tester http://www.instructables.com/id/Mini-LED-Tester/
Mini LED Tester - More DIY How To Projects]]> http://cdn.instructables.com/FPY/QLPC/HYJ0WB1G/FPYQLPCHYJ0WB1G.SQUARE2.jpg http://cdn.instructables.com/FPY/QLPC/HYJ0WB1G/FPYQLPCHYJ0WB1G.SQUARE.jpg http://cdn.instructables.com/FPY/QLPC/HYJ0WB1G/FPYQLPCHYJ0WB1G.SMALL.jpg rsaiyid Hi all, This is my first i'ble and I'd just ask you to please be patient with me if I'm not as clear as experienced users. On to the making, I needed an LED Tester to to check which color it was, if it was infrared, or if it were working. I have a very large range of LEDs kinda lying around which re...
By: rsaiyid

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Thu, 7 Aug 2014 18:56:54 PDT
Super simple vacuum cleaner http://www.instructables.com/id/Super-simple-vacuum-cleaner/
Super simple vacuum cleaner - More DIY How To Projects]]> http://cdn.instructables.com/FYZ/8XKC/HYHGE2OM/FYZ8XKCHYHGE2OM.SQUARE2.jpg http://cdn.instructables.com/FYZ/8XKC/HYHGE2OM/FYZ8XKCHYHGE2OM.SQUARE.jpg http://cdn.instructables.com/FYZ/8XKC/HYHGE2OM/FYZ8XKCHYHGE2OM.SMALL.jpg matass Hello everyone, I want to share this awesome project. I made a vacuum cleaner out of fan and old shoes box.{Sorry for bad English} You will need You will need:*Shoes box*9v battery*Switch*Plastic food container*Small ruler*Some ducktape*Some hot glue Results Attach fan to a box Fan must be...
By: matass

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Tue, 5 Aug 2014 16:22:06 PDT