Instructables: exploring - technology - battery http://www.instructables.com Sat, 31 Jan 2015 10:19:06 PST BLOX v1.01 Arduino door lock with password http://www.instructables.com/id/Arduino-door-lock-with-password/
Arduino door lock with password - More DIY How To Projects]]> http://cdn.instructables.com/F52/YYRR/I5JHRLKQ/F52YYRRI5JHRLKQ.SQUARE2.jpg http://cdn.instructables.com/F52/YYRR/I5JHRLKQ/F52YYRRI5JHRLKQ.SQUARE.jpg http://cdn.instructables.com/F52/YYRR/I5JHRLKQ/F52YYRRI5JHRLKQ.SMALL.jpg ibenkos In this project I mede an door lock (or box lock) that opens when you enter your password and press "#". The servo turns back to the position it was in after some seconds. PARTS & TOOLS For this project I used:* Arduino uno ( http://store.arduino.cc/index.php?main_page=produc... )* 4x4 matrix ke...
By: ibenkos

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Fri, 30 Jan 2015 08:20:16 PST
Cheap Speaker Backpack http://www.instructables.com/id/Cheap-Speaker-Backpack/
Cheap Speaker Backpack - More DIY How To Projects]]> http://cdn.instructables.com/FCZ/U8CR/I5GMXVZ9/FCZU8CRI5GMXVZ9.SQUARE2.jpg http://cdn.instructables.com/FCZ/U8CR/I5GMXVZ9/FCZU8CRI5GMXVZ9.SQUARE.jpg http://cdn.instructables.com/FCZ/U8CR/I5GMXVZ9/FCZU8CRI5GMXVZ9.SMALL.jpg Dashing Rainbow Dash This i made using old pc speakers, a broken guitar amp, an old backpack, and lots of hot glue. it is powered by a li ion drill battery. i did not take any photos during the build, so if you have any questions, please ask in the comments.Editi ran to Radioshack and picked up a 12v switch. it makes tu...
By: Dashing Rainbow Dash

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Mon, 26 Jan 2015 13:35:56 PST
Magic Mouse (A1296) 14500 Rechargeable 3.7v Li-ion Conversion http://www.instructables.com/id/Magic-Mouse-A1296-14500-Rechargeable-37v-Li-ion-Co/
Magic Mouse (A1296) 14500 Rechargeable 3.7v Li-ion Conversion - More DIY How To Projects]]> http://cdn.instructables.com/FT3/WW48/I59UIDI1/FT3WW48I59UIDI1.SQUARE2.jpg http://cdn.instructables.com/FT3/WW48/I59UIDI1/FT3WW48I59UIDI1.SQUARE.jpg http://cdn.instructables.com/FT3/WW48/I59UIDI1/FT3WW48I59UIDI1.SMALL.jpg cfcubed Like these mice except for their consumption of AA (alkaline) batteries. No biggie for casually used machines but annoying for Macs used 40 hrs a week or more. Seems every 3 - 4 weeks, at inopportune times, I get low battery warning and have to grab new AAs & toss the old ones. Researched Magic Mo...
By: cfcubed

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Fri, 23 Jan 2015 09:42:29 PST
Boombox MDF http://www.instructables.com/id/Boombox-MDF/
Boombox MDF - More DIY How To Projects]]> http://cdn.instructables.com/F9G/V6X3/I557BTVH/F9GV6X3I557BTVH.SQUARE2.jpg http://cdn.instructables.com/F9G/V6X3/I557BTVH/F9GV6X3I557BTVH.SQUARE.jpg http://cdn.instructables.com/F9G/V6X3/I557BTVH/F9GV6X3I557BTVH.SMALL.jpg RoeyLeon Hello everyoneAnother COOL boombox for the collection ! This time it`s not from Plexiglas as always but rather from MDF ( Medium-density fibreboard ) It`s actually pretty fun to work with this material ,it`s very easy to saw, lightweight in compare to the 4mm Plexiglas and a most important it`s the...
By: RoeyLeon

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Tue, 20 Jan 2015 04:54:25 PST
Intelligent Highway Street Lighting System http://www.instructables.com/id/Intelligent-Highway-Street-Lighting-System/
Intelligent Highway Street Lighting System - More DIY How To Projects]]> http://cdn.instructables.com/FYQ/AIVE/I52CYBQZ/FYQAIVEI52CYBQZ.SQUARE2.jpg http://cdn.instructables.com/FYQ/AIVE/I52CYBQZ/FYQAIVEI52CYBQZ.SQUARE.jpg http://cdn.instructables.com/FYQ/AIVE/I52CYBQZ/FYQAIVEI52CYBQZ.SMALL.jpg Techgenie The project is designed with a vehicle detecting sensor which is capable of sensing the arrival of a vehicle. It drives the same information to a micro controller.The micro controller is interfaced with the street lights and it is the responsibility of the controller to switch the status of the ligh...
By: Techgenie

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Mon, 19 Jan 2015 23:59:31 PST
Battery Capacity Tester (Arduino) http://www.instructables.com/id/Battery-Capacity-Tester-Arduino/
Battery Capacity Tester (Arduino) - More DIY How To Projects]]> http://cdn.instructables.com/F5B/J6M8/I52CKQQU/F5BJ6M8I52CKQQU.SQUARE2.jpg http://cdn.instructables.com/F5B/J6M8/I52CKQQU/F5BJ6M8I52CKQQU.SQUARE.jpg http://cdn.instructables.com/F5B/J6M8/I52CKQQU/F5BJ6M8I52CKQQU.SMALL.jpg BurakTutal Hi friends, This is my first trying on arduino and it is my engineering design project. This is pretty simple to make.First of all, you need to know how you can measure analog and digital value on Arduino. Atfter you read these values, you can achive SOC (state of charge) and mAH (mili Amper Hour) b...
By: BurakTutal

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Sun, 18 Jan 2015 15:06:22 PST
The Uber Cool Ultimate DJ Party Lamp... http://www.instructables.com/id/The-Uber-Cool-Ultimate-DJ-Party-Lamp/
The Uber Cool Ultimate DJ Party Lamp... - More DIY How To Projects]]> http://cdn.instructables.com/F2P/QIV1/I50X5MCZ/F2PQIV1I50X5MCZ.SQUARE2.jpg http://cdn.instructables.com/F2P/QIV1/I50X5MCZ/F2PQIV1I50X5MCZ.SQUARE.jpg http://cdn.instructables.com/F2P/QIV1/I50X5MCZ/F2PQIV1I50X5MCZ.SMALL.jpg Mr AbAk Hello friends please Vote us In the Let's Party Challenge and On a budget Contest...Hello Dear Partymakers,A few days ago we were wondering what to do with a old glass rod that our father had in his old room heater and gave it to us...After a few hours we made a plan for a Uber Cool Ultimate DJ Part...
By: Mr AbAk

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Sun, 18 Jan 2015 06:29:17 PST
How to Take Apart a Non-Alkaline Battery http://www.instructables.com/id/How-to-Take-Apart-a-Non-Alkaline-Battery/
How to Take Apart a Non-Alkaline Battery - More DIY How To Projects]]> http://cdn.instructables.com/FSR/G9IT/I50CT9BO/FSRG9ITI50CT9BO.SQUARE2.jpg http://cdn.instructables.com/FSR/G9IT/I50CT9BO/FSRG9ITI50CT9BO.SQUARE.jpg http://cdn.instructables.com/FSR/G9IT/I50CT9BO/FSRG9ITI50CT9BO.SMALL.jpg solar world A Non-alkaline battery is a source of zinc and carbon rods.I hope you enjoy this instructable and please vote for me in the Explore Science Contest.Please be sure to use only non-alkaline batteries. List of Materials You will need:needle-nose pliersnon-alkaline batterypaper towels gloves Remov...
By: solar world

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Sat, 17 Jan 2015 20:24:21 PST
Info graphics: Batteries are safe http://www.instructables.com/id/Info-graphics-Batteries-are-safe/
Info graphics: Batteries are safe - More DIY How To Projects]]> http://cdn.instructables.com/FYB/0XO1/I504T1F2/FYB0XO1I504T1F2.SQUARE2.jpg http://cdn.instructables.com/FYB/0XO1/I504T1F2/FYB0XO1I504T1F2.SQUARE.jpg http://cdn.instructables.com/FYB/0XO1/I504T1F2/FYB0XO1I504T1F2.SMALL.jpg aminatandukar Prove and give information to your friends that batteries are safe if you use it carefully.You don't need to be scared of batteries. You just have to be careful while using batteries.Materials required:1. Chart paper2. Card board3. Paint4. Battery5. Wire6. LED7. Soldering iron8. Wire stripper9. Ske...
By: aminatandukar

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Sat, 17 Jan 2015 10:26:42 PST
Music blinking LED http://www.instructables.com/id/Music-blinking-LED/
Music blinking LED - More DIY How To Projects]]> http://cdn.instructables.com/F32/146M/I504XBBB/F32146MI504XBBB.SQUARE2.jpg http://cdn.instructables.com/F32/146M/I504XBBB/F32146MI504XBBB.SQUARE.jpg http://cdn.instructables.com/F32/146M/I504XBBB/F32146MI504XBBB.SMALL.jpg ibenkos This is an easy step by step guide to make cheap sound reacting LEDs that is blinking to the bass of the music you play. The music blinker is powered by an 9v battery which makes it portable and small. Parts and tools PARTS:TIP 31 CPCB Male AUX cable3x LEDs9v battery9v battery clipJumper wiresTOO...
By: ibenkos

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Sat, 17 Jan 2015 10:01:06 PST
RECREATE! : Recycling Energy of Computers for Real Efficiency And Total Energy! http://www.instructables.com/id/RECREATE-Recycling-Energy-of-Computers-for-Real-Ef/
RECREATE! : Recycling Energy of Computers for Real Efficiency And Total Energy! - More DIY How To Projects]]> http://cdn.instructables.com/FBU/HFRW/I50X0ZHZ/FBUHFRWI50X0ZHZ.SQUARE2.jpg http://cdn.instructables.com/FBU/HFRW/I50X0ZHZ/FBUHFRWI50X0ZHZ.SQUARE.jpg http://cdn.instructables.com/FBU/HFRW/I50X0ZHZ/FBUHFRWI50X0ZHZ.SMALL.jpg Geeve George RECREATE! : Recycling Energy of Computers for Real Efficiency And Total Energy!*Project by Sarthak Sethi and Geeve George*We have been selected for the MAKE ENERGY Contest! So do vote for us by clicking vote in the Top-Right corner of the instructable page!*This is an updated version of Our Previous...
By: Geeve George

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Sat, 17 Jan 2015 08:58:47 PST
protable power bank http://www.instructables.com/id/protable-power-bank/
protable power bank - More DIY How To Projects]]> http://cdn.instructables.com/F5X/APPI/I4WYSZ2Z/F5XAPPII4WYSZ2Z.SQUARE2.jpg http://cdn.instructables.com/F5X/APPI/I4WYSZ2Z/F5XAPPII4WYSZ2Z.SQUARE.jpg http://cdn.instructables.com/F5X/APPI/I4WYSZ2Z/F5XAPPII4WYSZ2Z.SMALL.jpg ibenkos this is an easy project to make an 5v portable power bank for just 2$! Parts The parts you will need for this project is:* 3x AAA batteries * 3x AAA battery holder* 5v step-up * SPST switch* Enclosure* Hot glue Cut the wires Cut the wires from the battery holder to the size you want them to b...
By: ibenkos

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Wed, 14 Jan 2015 12:31:06 PST
Restoring Corroded Battery Contacts http://www.instructables.com/id/Restoring-Corroded-Battery-Contacts/
Restoring Corroded Battery Contacts - More DIY How To Projects]]> http://cdn.instructables.com/FMJ/581R/I4O22EKZ/FMJ581RI4O22EKZ.SQUARE2.jpg http://cdn.instructables.com/FMJ/581R/I4O22EKZ/FMJ581RI4O22EKZ.SQUARE.jpg http://cdn.instructables.com/FMJ/581R/I4O22EKZ/FMJ581RI4O22EKZ.SMALL.jpg ProfMuggs Ok, before anyone else says it, this took more effort than it probably should have. These RCX bricks are pretty common on eBay and go for pretty cheap, so I could have bought another one rather than going to all this effort, but that's not how I do things. Once I got started I just couldn't help mys...
By: ProfMuggs

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Thu, 8 Jan 2015 09:31:12 PST
Holiday Card with Chibitronics - Push Button Light Up Rudolph Card http://www.instructables.com/id/Holiday-Card-with-Chibitronics-Push-Button-Light-U/
Holiday Card with Chibitronics - Push Button Light Up Rudolph Card - More DIY How To Projects]]> http://cdn.instructables.com/F1Q/L51F/I4MMUQLK/F1QL51FI4MMUQLK.SQUARE2.jpg http://cdn.instructables.com/F1Q/L51F/I4MMUQLK/F1QL51FI4MMUQLK.SQUARE.jpg http://cdn.instructables.com/F1Q/L51F/I4MMUQLK/F1QL51FI4MMUQLK.SMALL.jpg cathychen Light up your holidays with custom-made Chibitronics holiday cards. This card features a hand-drawn Rudolph the Red-Nosed Reindeer that lights up with the push of a button and Chibitronics LED stickers and blinking LED control panel sticker.List of materials 1. Chibitronics Kit (White LED, blinking ...
By: cathychen

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Wed, 7 Jan 2015 08:29:38 PST
D.I.Y Matchbox Battery Holder http://www.instructables.com/id/DIY-Matchbox-Battery-Holder/
D.I.Y Matchbox Battery Holder - More DIY How To Projects]]> http://cdn.instructables.com/F34/5NTW/I4J77CSA/F345NTWI4J77CSA.SQUARE2.jpg http://cdn.instructables.com/F34/5NTW/I4J77CSA/F345NTWI4J77CSA.SQUARE.jpg http://cdn.instructables.com/F34/5NTW/I4J77CSA/F345NTWI4J77CSA.SMALL.jpg jahasu A cheep, basic and easy to build match box battery holder for your AA batteries!Use it for your next project!! Materials To make this project you will need a few household items.1. Matchbox2. Aluminum Foil3. Strong Paper4. Wire5. Colored Tape (optional)You will also need a few tools1. Scissors2. ...
By: jahasu

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Wed, 7 Jan 2015 01:27:13 PST
Mason Jar Portable Speaker & Guitar Amp http://www.instructables.com/id/Mason-Jar-Portable-Speaker-Guitar-Amp-1/
Mason Jar Portable Speaker & Guitar Amp - More DIY How To Projects]]> http://cdn.instructables.com/FX3/9EU6/I4IDBBIW/FX39EU6I4IDBBIW.SQUARE2.jpg http://cdn.instructables.com/FX3/9EU6/I4IDBBIW/FX39EU6I4IDBBIW.SQUARE.jpg http://cdn.instructables.com/FX3/9EU6/I4IDBBIW/FX39EU6I4IDBBIW.SMALL.jpg TrashAmpsLLC Let's face it: the speakers on your phone & laptop aren't loud enough. So grab a Mason Jar Speaker KIT from Trash Amps (www.trashamps.com) & build a Mason Jar Speaker to play tunes from your smartphone, tablet and laptop. BUT WAIT: it's also an electric guitar amplifier! Plug in & bust out those wic...
By: TrashAmpsLLC

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Mon, 5 Jan 2015 16:57:41 PST
Switch on your Computer by RFID and IR (UPDATED) http://www.instructables.com/id/Switch-on-your-Computer-by-RFID-and-IR-UPDATED/
Switch on your Computer by RFID and IR (UPDATED) - More DIY How To Projects]]> http://cdn.instructables.com/FSY/N4BU/I4E6EO74/FSYN4BUI4E6EO74.SQUARE2.jpg http://cdn.instructables.com/FSY/N4BU/I4E6EO74/FSYN4BUI4E6EO74.SQUARE.jpg http://cdn.instructables.com/FSY/N4BU/I4E6EO74/FSYN4BUI4E6EO74.SMALL.jpg Rifath Hello guys !!!In this instructable we are going to switch ON and shutdown the PC using an IR Proximity sensor or a RFID Reader. Due to my studies, I am unable to write this instructable detaily and I HOPE YOU CAN UNDERSTAND, PLEASE FEEL FREE TO ASK THE DOUBTS IN COMMENTS AND DON'T FORGET TO VOTE FOR...
By: Rifath

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Sun, 4 Jan 2015 04:18:10 PST
Foldable Electronic Bookmark / Booklight http://www.instructables.com/id/Foldable-Electronic-Bookmark-Booklight/
Foldable Electronic Bookmark / Booklight - More DIY How To Projects]]> http://cdn.instructables.com/FEM/M0C7/I48CRNPR/FEMM0C7I48CRNPR.SQUARE2.jpg http://cdn.instructables.com/FEM/M0C7/I48CRNPR/FEMM0C7I48CRNPR.SQUARE.jpg http://cdn.instructables.com/FEM/M0C7/I48CRNPR/FEMM0C7I48CRNPR.SMALL.jpg MaeBerry This project is not only really, really fun to build, but also fun to use. If you love books or know someone who does, this is an awesome project to make. It is extremely light and literally paper-thin. It is also really easy to personalize and the battery pack design can be used for any small proje...
By: MaeBerry

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Wed, 31 Dec 2014 19:17:51 PST
Wearable Body Heater and Massager (Rechargable and Portable) http://www.instructables.com/id/Wearable-Body-Heater-cum-Massager-Rechargable-and--1/
Wearable Body Heater and Massager (Rechargable and Portable) - More DIY How To Projects]]> http://cdn.instructables.com/FSQ/HY7B/I4CMNU23/FSQHY7BI4CMNU23.SQUARE2.jpg http://cdn.instructables.com/FSQ/HY7B/I4CMNU23/FSQHY7BI4CMNU23.SQUARE.jpg http://cdn.instructables.com/FSQ/HY7B/I4CMNU23/FSQHY7BI4CMNU23.SMALL.jpg Chitlange Sahas Hi everyone! today I am going to show you how to make a Wearable Rechargeable Portable Body Heater--and Massager. This will act as a body warmer to help you survive the bitter cold winters.The vibrator function provides efficient blood circulation throughout the body also provides a sweet massage ...
By: Chitlange Sahas

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Tue, 30 Dec 2014 09:49:21 PST
how to wire multiple LED's together http://www.instructables.com/id/how-to-wire-multiple-LEDs-together/
how to wire multiple LED's together - More DIY How To Projects]]> http://cdn.instructables.com/FUW/1W2F/I48CHTV8/FUW1W2FI48CHTV8.SQUARE2.jpg http://cdn.instructables.com/FUW/1W2F/I48CHTV8/FUW1W2FI48CHTV8.SQUARE.jpg http://cdn.instructables.com/FUW/1W2F/I48CHTV8/FUW1W2FI48CHTV8.SMALL.jpg filip74321 ok so in this instructable i'm going to show you how to wire multiple LED's together in a series circuitthe parts are preety easy to come by and the entire project requires minimal soldering squillsPARTS:1. a 9V battery2. 3 LED diodes(5mm)3. a soldering iron4. a switch 5. some solder and coper wire ...
By: filip74321

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Sun, 28 Dec 2014 10:02:37 PST
How to measure the internal resistance of a battery? http://www.instructables.com/id/How-to-measure-the-internal-resistance-of-a-batter/
How to measure the internal resistance of a battery? - More DIY How To Projects]]> http://cdn.instructables.com/FH2/73YO/I45HNW2Y/FH273YOI45HNW2Y.SQUARE2.jpg http://cdn.instructables.com/FH2/73YO/I45HNW2Y/FH273YOI45HNW2Y.SQUARE.jpg http://cdn.instructables.com/FH2/73YO/I45HNW2Y/FH273YOI45HNW2Y.SMALL.jpg eafindme * The schematic is taken from other source.Wondering how well your battery can perform? Don't know how much current you can pull from your battery? Well you can get know to your battery more with a simple experiment. You only need few components to do it.Materials:- your battery(Lipo, lead acid, NiC...
By: eafindme

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Sat, 27 Dec 2014 18:48:19 PST
3.2v Lithium AA instead of 2 alkaline AA cells http://www.instructables.com/id/32v-Lithium-AA-instead-of-2-alkaline-AA-cells/
3.2v Lithium AA instead of 2 alkaline AA cells - More DIY How To Projects]]> http://cdn.instructables.com/F9J/X299/I3TI7HCL/F9JX299I3TI7HCL.SQUARE2.jpg http://cdn.instructables.com/F9J/X299/I3TI7HCL/F9JX299I3TI7HCL.SQUARE.jpg http://cdn.instructables.com/F9J/X299/I3TI7HCL/F9JX299I3TI7HCL.SMALL.jpg DavidN71 Lithium iron phosphate cells have a working voltage of 3.2. That means if you have an appliance like a camera that uses 2 AA's or an LED flashlight that uses 3 AAA's a single LiFePO4 cell will probably runs the appliance.I shimmed a LiFePO4 cell with 2 strips of foam tape and stretched the spring on...
By: DavidN71

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Wed, 24 Dec 2014 11:38:21 PST
how to make a light emiting christmas tree http://www.instructables.com/id/how-to-make-a-light-emiting-christmas-tree/
how to make a light emiting christmas tree - More DIY How To Projects]]> http://cdn.instructables.com/F46/N6FE/I3VHMVHC/F46N6FEI3VHMVHC.SQUARE2.jpg http://cdn.instructables.com/F46/N6FE/I3VHMVHC/F46N6FEI3VHMVHC.SQUARE.jpg http://cdn.instructables.com/F46/N6FE/I3VHMVHC/F46N6FEI3VHMVHC.SMALL.jpg filip74321 ok so today i'm feeling a bit happy and i decided to help out other people with a little christmas spirit :)Ok so first the parts:1.one LED2.a 4.5 V battery3.a soldering iron4.some extension cablesand were done with the parts list:) wiring everything together so in this step the main thing is th...
By: filip74321

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Sun, 21 Dec 2014 12:01:30 PST
FlashLight http://www.instructables.com/id/FlashLight-3001/
FlashLight - More DIY How To Projects]]> http://cdn.instructables.com/FUV/GY22/I3VHI5E8/FUVGY22I3VHI5E8.SQUARE2.jpg http://cdn.instructables.com/FUV/GY22/I3VHI5E8/FUVGY22I3VHI5E8.SQUARE.jpg http://cdn.instructables.com/FUV/GY22/I3VHI5E8/FUVGY22I3VHI5E8.SMALL.jpg MauricioR This project show you how to do a flashlight using a cell phone battery Part List For this Project you will need :Parts High Brightness LED (1W) 1 Universal Board (5x5cm) 1 Cell phone Battery Push but...
By: MauricioR

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Sat, 20 Dec 2014 11:09:44 PST
Solderdoodle Pro 2.0: USB Rechargeable Soldering Iron http://www.instructables.com/id/Solderdoodle-Pro-20-USB-Rechargeable-Soldering-Iro/
Solderdoodle Pro 2.0: USB Rechargeable Soldering Iron - More DIY How To Projects]]> http://cdn.instructables.com/FJE/E6DZ/I3PJR6UG/FJEE6DZI3PJR6UG.SQUARE2.jpg http://cdn.instructables.com/FJE/E6DZ/I3PJR6UG/FJEE6DZI3PJR6UG.SQUARE.jpg http://cdn.instructables.com/FJE/E6DZ/I3PJR6UG/FJEE6DZI3PJR6UG.SMALL.jpg Solarcycle Please click below to visit our Kickstarter project page for Solderdoodle Pro 2.0 and pre-order a production model!http://www.kickstarter.com/projects/249225636/sold...Solderdoodle Pro does what other portable soldering irons have failed to do, and that’s the ability to last at full power for over a...
By: Solarcycle

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Sun, 14 Dec 2014 08:40:16 PST
Converting a digital foot scale to rechargeable battery. http://www.instructables.com/id/Converting-a-digital-foot-scale-to-rechargeable-ba/
Converting a digital foot scale to rechargeable battery. - More DIY How To Projects]]> http://cdn.instructables.com/FWL/G8ZH/I3H4XVMH/FWLG8ZHI3H4XVMH.SQUARE2.jpg http://cdn.instructables.com/FWL/G8ZH/I3H4XVMH/FWLG8ZHI3H4XVMH.SQUARE.jpg http://cdn.instructables.com/FWL/G8ZH/I3H4XVMH/FWLG8ZHI3H4XVMH.SMALL.jpg Mjhobby My scale at home uses two lithium button cells. I got fed up spending money on replacing them. I decided that a lithium 9volt rechargeable was the way to go. The 7.2 volts from this battery is close to the 6 volts from the button cells. Solder 9 volt battery clip Soldering of the 9volt clip into...
By: Mjhobby

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Tue, 9 Dec 2014 18:17:39 PST
Power Stacker: Stackable USB Rechargeable Battery System http://www.instructables.com/id/Power-Stacker-Stackable-USB-Rechargeable-Battery-S/
Power Stacker: Stackable USB Rechargeable Battery System - More DIY How To Projects]]> http://cdn.instructables.com/FPN/VFWB/I36LFW5K/FPNVFWBI36LFW5K.SQUARE2.jpg http://cdn.instructables.com/FPN/VFWB/I36LFW5K/FPNVFWBI36LFW5K.SQUARE.jpg http://cdn.instructables.com/FPN/VFWB/I36LFW5K/FPNVFWBI36LFW5K.SMALL.jpg Solarcycle Please click below to visit our Kickstarter project page for Solderdoodle Pro 2.0, which uses the same circuit as Power Stacker, and pre-order a production model!http://www.kickstarter.com/projects/249225636/sold...Power Stacker is a portable, modular, USB rechargeable lithium-ion battery pack. Stac...
By: Solarcycle

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

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Sun, 7 Dec 2014 01:24:54 PST
DIY Torch light http://www.instructables.com/id/DIY-Torch-light/
DIY Torch light - More DIY How To Projects]]> http://cdn.instructables.com/F44/V6BI/I376URND/F44V6BII376URND.SQUARE2.jpg http://cdn.instructables.com/F44/V6BI/I376URND/F44V6BII376URND.SQUARE.jpg http://cdn.instructables.com/F44/V6BI/I376URND/F44V6BII376URND.SMALL.jpg sunojshrestha This is a very simple led torch light that uses the series connection of a led, a switch, a resistor and a 9 volt battery. It is very handy to use when there is no light. To make the torch brighter the number of LEDs can be added. Required materials The list of materials required for making a LED...
By: sunojshrestha

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Wed, 3 Dec 2014 04:50:41 PST
Wooden Puzzle Modular Electronics Prototyping Board http://www.instructables.com/id/Puzzle-Modular-Electronics-Prototyping-Board/
Wooden Puzzle Modular Electronics Prototyping Board - More DIY How To Projects]]> http://cdn.instructables.com/FE3/0XRM/I36LHIYD/FE30XRMI36LHIYD.SQUARE2.jpg http://cdn.instructables.com/FE3/0XRM/I36LHIYD/FE30XRMI36LHIYD.SQUARE.jpg http://cdn.instructables.com/FE3/0XRM/I36LHIYD/FE30XRMI36LHIYD.SMALL.jpg Clapoti I didn't have enough space on the prototyping board that came with my Arduino starter kit... so I decided to make a new one. It's modular, so I don't have to use all the parts all the time, it has a module for the Arduino Uno and one for a battery holder or something else. Those two could be repla...
By: Clapoti

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Tue, 2 Dec 2014 18:46:21 PST
Build the B.O.S.I.-1(Battery Operated Soldering Iron) With A Integrated Solder Dispenser! http://www.instructables.com/id/Build-the-BOSI-1Battery-Operated-Soldering-Iron-Wi/
Build the B.O.S.I.-1(Battery Operated Soldering Iron) With A Integrated Solder Dispenser! - More DIY How To Projects]]> http://cdn.instructables.com/F98/1JUZ/I34DWYVG/F981JUZI34DWYVG.SQUARE2.jpg http://cdn.instructables.com/F98/1JUZ/I34DWYVG/F981JUZI34DWYVG.SQUARE.jpg http://cdn.instructables.com/F98/1JUZ/I34DWYVG/F981JUZI34DWYVG.SMALL.jpg SubDude350 A Soldering Iron is a great tool for any shop. It can "glue" together copper wires and can solder components on to circuit boards. You can even do copper pipe! But what if you don't have a power outlet near your favorite soldering spot? That is where the B.O.S.I.-1 comes in. The B.O.S.I.-1 is a sold...
By: SubDude350

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Sun, 30 Nov 2014 13:33:47 PST
Arduino solar charge controller + output control and data logging online with Xbee WiFi http://www.instructables.com/id/Solar-charge-controller-output-control-and-data-lo/
Arduino solar charge controller + output control and data logging online with Xbee WiFi - More DIY How To Projects]]> http://cdn.instructables.com/F1N/FW1X/I31C3X9V/F1NFW1XI31C3X9V.SQUARE2.jpg http://cdn.instructables.com/F1N/FW1X/I31C3X9V/F1NFW1XI31C3X9V.SQUARE.jpg http://cdn.instructables.com/F1N/FW1X/I31C3X9V/F1NFW1XI31C3X9V.SMALL.jpg pfoglietta A while back I started working on a solar charge controller, it was based on a PIC microcontroller, a 20x4 characters display and the code was written in Assembly language. It did work well and was still working when I decided I wanted to add more to this controller.My new controller uses a standalo...
By: pfoglietta

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Fri, 28 Nov 2014 14:35:45 PST
GoPro External Battery http://www.instructables.com/id/GoPro-External-Battery/
GoPro External Battery - More DIY How To Projects]]> http://cdn.instructables.com/FR7/8PLU/I2XIE71A/FR78PLUI2XIE71A.SQUARE2.jpg http://cdn.instructables.com/FR7/8PLU/I2XIE71A/FR78PLUI2XIE71A.SQUARE.jpg http://cdn.instructables.com/FR7/8PLU/I2XIE71A/FR78PLUI2XIE71A.SMALL.jpg alex.russell.589100 It is no secret that the GoPro range of cameras has a very limited battery life. This becomes particularly apparent when trying to take long term time lapses. As such I built this external battery that will maintain the IP rating of the camera and the Peli case.Please refer to manufacturers instru...
By: alex.russell.589100

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Tue, 25 Nov 2014 12:19:47 PST
How to Solar Charge Lithium Ion Batteries for Smart Phones http://www.instructables.com/id/How-to-Solar-Charge-Lithium-Ion-Batteries-for-Smar/
How to Solar Charge Lithium Ion Batteries for Smart Phones - More DIY How To Projects]]> http://cdn.instructables.com/F5S/GQOY/I2VRAZN9/F5SGQOYI2VRAZN9.SQUARE2.jpg http://cdn.instructables.com/F5S/GQOY/I2VRAZN9/F5SGQOYI2VRAZN9.SQUARE.jpg http://cdn.instructables.com/F5S/GQOY/I2VRAZN9/F5SGQOYI2VRAZN9.SMALL.jpg Solarcycle Please click below to visit our Kickstarter project page for Solderdoodle Pro 2.0, which uses the same circuit as our solar charger, and pre-order a production model!http://www.kickstarter.com/projects/249225636/sol...This Instructable is a tutorial on how to solar charge lithium-ion batteries for s...
By: Solarcycle

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Mon, 24 Nov 2014 12:25:42 PST
5 minute RC car conversion to lithium battery http://www.instructables.com/id/5-minute-RC-car-conversion-to-lithium-battery/
5 minute RC car conversion to lithium battery - More DIY How To Projects]]> http://cdn.instructables.com/F4Y/F5NX/I2VLFGXO/F4YF5NXI2VLFGXO.SQUARE2.jpg http://cdn.instructables.com/F4Y/F5NX/I2VLFGXO/F4YF5NXI2VLFGXO.SQUARE.jpg http://cdn.instructables.com/F4Y/F5NX/I2VLFGXO/F4YF5NXI2VLFGXO.SMALL.jpg MaterialBall Most toys are powered by AA batteries for ease of use and cost savings. But AA batteries are expensive to replace each time, and rechargeable ones (NiCd) are slow to recharge and have a poor lifetime. So the logical thing is to mod your RC car to run on lithium-ion batteries. This is not an easy tas...
By: MaterialBall

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Mon, 24 Nov 2014 02:10:19 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
Emergency USB charger on the cheap http://www.instructables.com/id/Emergency-USB-charger-on-the-cheap-1/
Emergency USB charger on the cheap - More DIY How To Projects]]> http://cdn.instructables.com/FMG/WCT5/I2Q1H5GN/FMGWCT5I2Q1H5GN.SQUARE2.jpg http://cdn.instructables.com/FMG/WCT5/I2Q1H5GN/FMGWCT5I2Q1H5GN.SQUARE.jpg http://cdn.instructables.com/FMG/WCT5/I2Q1H5GN/FMGWCT5I2Q1H5GN.SMALL.jpg Switch and Lever As the video doesn't show on all mobile devices, here's the YouTube link: http://www.youtube.com/watch?v=FZbhzAKcIMwIf you've ever been out hiking, or been away from powered civilization for any length of time, you've surely run into the issue of how to power your devices. Portable power banks and s...
By: Switch and Lever

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Thu, 20 Nov 2014 05:47:57 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
emergency power supply for mobile charging and lights http://www.instructables.com/id/emergency-power-supply-for-mobile-charging-and-lig/
emergency power supply for mobile charging and lights - More DIY How To Projects]]> http://cdn.instructables.com/FWL/V3SI/I2I4D6CQ/FWLV3SII2I4D6CQ.SQUARE2.jpg http://cdn.instructables.com/FWL/V3SI/I2I4D6CQ/FWLV3SII2I4D6CQ.SQUARE.jpg http://cdn.instructables.com/FWL/V3SI/I2I4D6CQ/FWLV3SII2I4D6CQ.SMALL.jpg khader sk this video is about how to get power supply from phone lines, automobile battery, inverter battery,etc. during power outages
By: khader sk

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Fri, 14 Nov 2014 09:22:37 PST
how to make a rechargeable battery at home http://www.instructables.com/id/how-to-make-a-rechargeable-battery-at-home/
how to make a rechargeable battery at home - More DIY How To Projects]]> http://cdn.instructables.com/FG6/1RNS/I2I4031Y/FG61RNSI2I4031Y.SQUARE2.jpg http://cdn.instructables.com/FG6/1RNS/I2I4031Y/FG61RNSI2I4031Y.SQUARE.jpg http://cdn.instructables.com/FG6/1RNS/I2I4031Y/FG61RNSI2I4031Y.SMALL.jpg khader sk This is a simple way of making rechargeable batteries at home using alum (epsom salt) and old battery lead plates. we can also replace lead plates with copper and steel plates, but the voltage would reach only 1v then instead of 2v
By: khader sk

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Thu, 13 Nov 2014 11:04:53 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
DIY pocket sized bluetooth receiver http://www.instructables.com/id/DIY-pocket-sized-bluetooth-receiver/
DIY pocket sized bluetooth receiver - More DIY How To Projects]]> http://cdn.instructables.com/FB0/3Z4C/I28W6YOR/FB03Z4CI28W6YOR.SQUARE2.jpg http://cdn.instructables.com/FB0/3Z4C/I28W6YOR/FB03Z4CI28W6YOR.SQUARE.jpg http://cdn.instructables.com/FB0/3Z4C/I28W6YOR/FB03Z4CI28W6YOR.SMALL.jpg ibenkos In this project I'm making an wireless bluetooth receiver that you can connect to any amplifier or headset and you don't have to deal whit the AUX cable and that you can't use your phone far away while playing music.This is an easy project and an fun one! Its 3v coming from the batteries and goes in...
By: ibenkos

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Fri, 7 Nov 2014 12:38:08 PST
How to Repair/Fix Lithium ion Rechargeable Batteries 18650 from Old Laptop http://www.instructables.com/id/How-to-RepairFix-Lithium-ion-Rechargeable-Batterie/
How to Repair/Fix Lithium ion Rechargeable Batteries 18650 from Old Laptop - More DIY How To Projects]]> http://cdn.instructables.com/FR5/ADVZ/I28D865A/FR5ADVZI28D865A.SQUARE2.jpg http://cdn.instructables.com/FR5/ADVZ/I28D865A/FR5ADVZI28D865A.SQUARE.jpg http://cdn.instructables.com/FR5/ADVZ/I28D865A/FR5ADVZI28D865A.SMALL.jpg DIYTech In this video you will be learning about Lithium-ion Battery Cell repair guide, and how to charge them again for your Electronics Projects! Battery Power Ratings: 3.7v - 4.2vFor any kind of question/suggestions leave your comments on YouTube video! ThanksIf you like my videos, please hit like & Subs...
By: DIYTech

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Thu, 6 Nov 2014 14:23:41 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
Make a Battery Protection Circuit (low voltage cut-off) http://www.instructables.com/id/Make-a-Battery-Protection-Circuit-low-voltage-cut-/
Make a Battery Protection Circuit (low voltage cut-off) - More DIY How To Projects]]> http://cdn.instructables.com/FY5/HJSA/I24LYGQF/FY5HJSAI24LYGQF.SQUARE2.jpg http://cdn.instructables.com/FY5/HJSA/I24LYGQF/FY5HJSAI24LYGQF.SQUARE.jpg http://cdn.instructables.com/FY5/HJSA/I24LYGQF/FY5HJSAI24LYGQF.SMALL.jpg DIYPerks In this video I will show you how to build a simple lithium battery protection circuit, so you can power your homemade projects without ever worrying about over discharging your battery.How to use lithium batteries safely: http://www.maxamps.com/lipo-care.phpMore info on battery measurements: http...
By: DIYPerks

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Wed, 5 Nov 2014 12:56:50 PST
IcosaLEDron: A Multi LED Smart Ball http://www.instructables.com/id/IcosaLEDron-A-Multi-LED-Smart-Ball/
IcosaLEDron: A Multi LED Smart Ball - More DIY How To Projects]]> http://cdn.instructables.com/FUB/64QT/I24LYBTV/FUB64QTI24LYBTV.SQUARE2.jpg http://cdn.instructables.com/FUB/64QT/I24LYBTV/FUB64QTI24LYBTV.SQUARE.jpg http://cdn.instructables.com/FUB/64QT/I24LYBTV/FUB64QTI24LYBTV.SMALL.jpg Afritlabs What is an IcosaLEDron? It's a programmable, rechargeable 20 sided "ball" with a RGB LED on each face. Inside is a custom PCB equipped with the Atmega328p that is Arduino compatible allowing for easy programming of different effects. With twenty WS2812B LEDs (also known as Neopixels) positioned equa...
By: Afritlabs

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Mon, 3 Nov 2014 20:09:42 PST
Simple Arduino Bluetooth Cybot on the move and Android Appplication (updated) http://www.instructables.com/id/Bluetooth-Cybot-on-the-move/
Simple Arduino Bluetooth Cybot on the move and Android Appplication (updated) - More DIY How To Projects]]> http://cdn.instructables.com/F2V/2RB6/I1WHCHU7/F2V2RB6I1WHCHU7.SQUARE2.jpg http://cdn.instructables.com/F2V/2RB6/I1WHCHU7/F2V2RB6I1WHCHU7.SQUARE.jpg http://cdn.instructables.com/F2V/2RB6/I1WHCHU7/F2V2RB6I1WHCHU7.SMALL.jpg HUKBMBEAR A while back I wrote a couple of instructables for user interface creation and the control of the Cybot base using commands from either the keyboard or from a bar code scanner.Links to these are below:User interface:http://www.instructables.com/id/Direction-display-...Barcode Control: http://www.ins...
By: HUKBMBEAR

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Thu, 30 Oct 2014 13:16:37 PDT
Make Your Eyes Glow Red http://www.instructables.com/id/Make-Your-Eyes-Glow-Red/
Make Your Eyes Glow Red - More DIY How To Projects]]> http://cdn.instructables.com/F3A/N992/I1TQX1XN/F3AN992I1TQX1XN.SQUARE2.jpg http://cdn.instructables.com/F3A/N992/I1TQX1XN/F3AN992I1TQX1XN.SQUARE.jpg http://cdn.instructables.com/F3A/N992/I1TQX1XN/F3AN992I1TQX1XN.SMALL.jpg Pure Carbon let me guess. You were spending so much time on the internet getting ideas for costumes that you ran out of time to make a really cool one, so you came here hoping for a last minute costume that looks absolutely awesome and won't break bank. Well have no fear, if that's the case then you are in the ...
By: Pure Carbon

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Wed, 29 Oct 2014 12:00:50 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