Instructables: exploring - technology - battery - popular http://www.instructables.com Mon, 30 May 2016 21:24:29 PDT BLOX v1.01 Everything about a bass: How to play, pick out, and have fun with an electric bass http://www.instructables.com/id/Everything-about-a-bass-How-to-play-pick-out-an/
Everything about a bass: How to play, pick out, and have fun with an electric bass - More DIY How To Projects]]> http://cdn.instructables.com/FTK/QL47/FHWNBWQ7/FTKQL47FHWNBWQ7.SQUARE2.jpg http://cdn.instructables.com/FTK/QL47/FHWNBWQ7/FTKQL47FHWNBWQ7.SQUARE.jpg http://cdn.instructables.com/FTK/QL47/FHWNBWQ7/FTKQL47FHWNBWQ7.SMALL.jpg heyzuphowsitgoin So deterring from my usually computer type insructable, I decided to make an "artsy" one. I am not a master bass player, but I've been playing for 3 years and know a little about what I am talking about. Picking out a bass If you have a bass already, just skip this step and buy an amp if you don...
By: heyzuphowsitgoin

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

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

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

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

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

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

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Sat, 15 Aug 2015 16:22:41 PDT
Easy How to charge a cellphone battery from other cellphone http://www.instructables.com/id/Easy-How-to-charge-a-cellphone-battery-from-other-/
Easy How to charge a cellphone battery from other cellphone - More DIY How To Projects]]> http://cdn.instructables.com/F66/38Y4/HA4MGP7S/F6638Y4HA4MGP7S.SQUARE2.jpg http://cdn.instructables.com/F66/38Y4/HA4MGP7S/F6638Y4HA4MGP7S.SQUARE.jpg http://cdn.instructables.com/F66/38Y4/HA4MGP7S/F6638Y4HA4MGP7S.SMALL.jpg animes25 ok here is the problem: Imagine that you have 2 celular phones, you know they have different chargers, suddenly your favorite celular phone charger explodes, dissapear or even if you connect your charger to your favorite phone, the phone says is not charging your battery is diying! and you NEED to ...
By: animes25

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Tue, 4 Dec 2012 07:37:40 PST
Reverse polarity protection for your circuit, without the diode voltage drop. http://www.instructables.com/id/Reverse-polarity-protection-for-your-circuit-with/
Reverse polarity protection for your circuit, without the diode voltage drop. - More DIY How To Projects]]> http://cdn.instructables.com/FCG/BL3C/H4AGIRJL/FCGBL3CH4AGIRJL.SQUARE2.jpg http://cdn.instructables.com/FCG/BL3C/H4AGIRJL/FCGBL3CH4AGIRJL.SQUARE.jpg http://cdn.instructables.com/FCG/BL3C/H4AGIRJL/FCGBL3CH4AGIRJL.SMALL.jpg ccrome Ever blow up a circuit because you reversed the polarity of a battery?  Or got one of those pesky center-negative AC power bricks?  Or even carefully connected your circuit to a bench supply, and still got the leads reversed? Well, I have.  It can ruin your day.   The easiest way to protect your s...
By: ccrome

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Tue, 10 Jul 2012 08:32:28 PDT
DIY iPhone controller for Raspberry-Pi (OSC) http://www.instructables.com/id/R-Pi-control-Android-iPhone-via-OSC/
DIY iPhone controller for Raspberry-Pi (OSC) - More DIY How To Projects]]> http://cdn.instructables.com/FJJ/HMYR/HXCCLU1U/FJJHMYRHXCCLU1U.SQUARE2.jpg http://cdn.instructables.com/FJJ/HMYR/HXCCLU1U/FJJHMYRHXCCLU1U.SQUARE.jpg http://cdn.instructables.com/FJJ/HMYR/HXCCLU1U/FJJHMYRHXCCLU1U.SMALL.jpg Greg0reo To start off this project I would like to explain how all this will work. We will be using a form of communication called OSC (Open Sound Control) and an app called "TouchOSC" which is available on the Google Play and Apple app store, along with pyOSC. What we will do is the following:- Create a sui...
By: Greg0reo

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Tue, 1 Jul 2014 18:04:26 PDT
DIY Invisible Fence battery http://www.instructables.com/id/DIY-Invisible-Fence-battery/
DIY Invisible Fence battery - More DIY How To Projects]]> http://cdn.instructables.com/FID/L4D7/UYZEP27VWL4/FIDL4D7UYZEP27VWL4.SQUARE2.jpg http://cdn.instructables.com/FID/L4D7/UYZEP27VWL4/FIDL4D7UYZEP27VWL4.SQUARE.jpg http://cdn.instructables.com/FID/L4D7/UYZEP27VWL4/FIDL4D7UYZEP27VWL4.SMALL.jpg Giant Invisible Fence pet containment systems require a new battery in the dog's collar every 3 months. Invisible Fence dealers sell battery packs for around $15. This expensive battery is a plastic case around a common CR1/3 lithium cell, readily available from any hardware or drugstore for less than $...
By: Giant

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Thu, 30 Mar 2006 14:39:41 PST
Modular Arduino Power Cube http://www.instructables.com/id/Modular-Arduino-Power-Cube/
Modular Arduino Power Cube - More DIY How To Projects]]> http://cdn.instructables.com/FDI/F63Y/IMDZBU0J/FDIF63YIMDZBU0J.SQUARE2.jpg http://cdn.instructables.com/FDI/F63Y/IMDZBU0J/FDIF63YIMDZBU0J.SQUARE.jpg http://cdn.instructables.com/FDI/F63Y/IMDZBU0J/FDIF63YIMDZBU0J.SMALL.jpg EvanKale Lithium ion (Li-ion) batteries can work wonders for portable Arduino projects.Chances are, you probably have tons of them lying around that you're not making use of. You can salvage them from many rechargeable electronics such as cellphones, cameras, MP3 players, etc.An annoyance I came across when ...
By: EvanKale

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Thu, 31 Mar 2016 08:56:20 PDT
Convert a battery powered LED lamp to USB power. http://www.instructables.com/id/Convert-a-battery-powered-LED-lamp-to-USB-power/
Convert a battery powered LED lamp to USB power. - More DIY How To Projects]]> http://cdn.instructables.com/F3S/VV3W/H0OJ28IT/F3SVV3WH0OJ28IT.SQUARE2.jpg http://cdn.instructables.com/F3S/VV3W/H0OJ28IT/F3SVV3WH0OJ28IT.SQUARE.jpg http://cdn.instructables.com/F3S/VV3W/H0OJ28IT/F3SVV3WH0OJ28IT.SMALL.jpg persolus Greetings, My desk at work has a hutch on it with a window opposite, and after a phone system change we lost the backlit LCD panels on our phones.  Since my phone is positioned under my hutch and I didn't care to rearrange my desk, I put a cheap battery LED lamp above the phone to illuminate it so ...
By: persolus

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Thu, 5 Apr 2012 23:34:48 PDT
How to install Commercial Grade Resilient Tile http://www.instructables.com/id/How-to-install-Commercial-Grade-Resilient-Tile/
How to install Commercial Grade Resilient Tile - More DIY How To Projects]]> http://cdn.instructables.com/F43/QMLQ/P3XEV2ZIURI/F43QMLQP3XEV2ZIURI.SQUARE2.jpg http://cdn.instructables.com/F43/QMLQ/P3XEV2ZIURI/F43QMLQP3XEV2ZIURI.SQUARE.jpg http://cdn.instructables.com/F43/QMLQ/P3XEV2ZIURI/F43QMLQP3XEV2ZIURI.SMALL.jpg Zombie Stomp This Instructable shows you how to install Resilient tile, also known as "Vinyl Composition" or "Asphalt" tile, the type found in most commercial settings, like grocery stores. It's probably easier than you think! Do the math and get supplies. I measured the length and width of the kitchen, rou...
By: Zombie Stomp

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Fri, 15 Dec 2006 06:06:21 PST
Oral-B Sonic Complete Toothbrush Battery Fix http://www.instructables.com/id/Oral-B-Sonic-Complete-Toothbrush-Battery-Fix/
Oral-B Sonic Complete Toothbrush Battery Fix - More DIY How To Projects]]> http://cdn.instructables.com/FMI/2LID/FXK6415N/FMI2LIDFXK6415N.SQUARE2.jpg http://cdn.instructables.com/FMI/2LID/FXK6415N/FMI2LIDFXK6415N.SQUARE.jpg http://cdn.instructables.com/FMI/2LID/FXK6415N/FMI2LIDFXK6415N.SMALL.jpg paulhogan This project shows you how to replace the batteries in an Oral-B Sonic Complete toothbrush. This is a great electric toothbrush, but Oral-B tells you to toss it when the internal rechargeable Ni-CD batteries die. Aside from the wastefulness of that, the toothbrush costs about $90. So, when my fat...
By: paulhogan

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Wed, 29 Jul 2009 17:54:39 PDT
24V Battery Charger Schematic http://www.instructables.com/id/24V-Battery-Charger-Schematic/
24V Battery Charger Schematic - More DIY How To Projects]]> http://cdn.instructables.com/FL6/IW97/GYN92ENH/FL6IW97GYN92ENH.SQUARE2.jpg http://cdn.instructables.com/FL6/IW97/GYN92ENH/FL6IW97GYN92ENH.SQUARE.jpg http://cdn.instructables.com/FL6/IW97/GYN92ENH/FL6IW97GYN92ENH.SMALL.jpg maxolous The battery charger is originally designed by me to meet the need of some who want a 24V battery charger. The charger is in three stages; the power source, current limiting and float charge stage. In this design, 240/24Vac(rms) transformer was used. After rectification and filtration i got about 30...
By: maxolous

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Thu, 3 Feb 2011 09:44:52 PST
DIY Arduino Battery Spot Welder http://www.instructables.com/id/DIY-Arduino-Battery-Spot-Welder/
DIY Arduino Battery Spot Welder - More DIY How To Projects]]> http://cdn.instructables.com/FEJ/579B/IL2C9CSU/FEJ579BIL2C9CSU.SQUARE2.jpg http://cdn.instructables.com/FEJ/579B/IL2C9CSU/FEJ579BIL2C9CSU.SQUARE.jpg http://cdn.instructables.com/FEJ/579B/IL2C9CSU/FEJ579BIL2C9CSU.SMALL.jpg KaeptnBalu An Arduino Nano based Spot Welder for battery welding This Spot Welder can be used to weld 18650 batteries. It needs a 7-12V power source (12V recommended) and uses a 12V car battery as welding current supply. Typically one 45Ah battery delivers enough current to get good welds with 0.15mm nicke...
By: KaeptnBalu

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Fri, 26 Feb 2016 19:07:36 PST
Portable Adjustable Mini Powersupply http://www.instructables.com/id/Portable-Adjustable-Mini-Powersupply/
Portable Adjustable Mini Powersupply - More DIY How To Projects]]> http://cdn.instructables.com/FNL/UZW2/ILIAWKRY/FNLUZW2ILIAWKRY.SQUARE2.jpg http://cdn.instructables.com/FNL/UZW2/ILIAWKRY/FNLUZW2ILIAWKRY.SQUARE.jpg http://cdn.instructables.com/FNL/UZW2/ILIAWKRY/FNLUZW2ILIAWKRY.SMALL.jpg Mixed Output A BIG HELLO! and welcome to Mixed Outputs first instructable.As most of my project involve electronics of some sort, having a good power supply is essential to be able to meet the demand of different power requirements. So I built me a bench-top power supply from an old ATX power supply Unit (PSU) t...
By: Mixed Output

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Tue, 8 Mar 2016 03:52:02 PST
220V HOMEMADE PORTABLE POWER INVERTER http://www.instructables.com/id/220V-HOMEMADE-PORTABLE-POWER-INVERTER/
220V HOMEMADE PORTABLE POWER INVERTER - More DIY How To Projects]]> http://cdn.instructables.com/FQW/4V9D/IKLHX21Y/FQW4V9DIKLHX21Y.SQUARE2.jpg http://cdn.instructables.com/FQW/4V9D/IKLHX21Y/FQW4V9DIKLHX21Y.SQUARE.jpg http://cdn.instructables.com/FQW/4V9D/IKLHX21Y/FQW4V9DIKLHX21Y.SMALL.jpg vina1991 Hello friendsThis is a tutorial about “How to make a 220V portable power inverter” This inverter is capable to power CFLs,tube lights,dc fan ext. it can handle up to 150W.even you can charge your laptop and mobile Note: this is a 220v, 50Hz square wave inverter The Inverter First things first. yo...
By: vina1991

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Sat, 13 Feb 2016 23:52:59 PST
DIY 9v Usb Ipod, Cellphone, Mp3 Portable Charger! Very EASY! http://www.instructables.com/id/DIY-9v-Usb-Ipod-Cellphone-Mp3-Portable-Charger-/
DIY 9v Usb Ipod, Cellphone, Mp3 Portable Charger! Very EASY! - More DIY How To Projects]]> http://cdn.instructables.com/FDE/TAUZ/FKX1CYY1/FDETAUZFKX1CYY1.SQUARE2.jpg http://cdn.instructables.com/FDE/TAUZ/FKX1CYY1/FDETAUZFKX1CYY1.SQUARE.jpg http://cdn.instructables.com/FDE/TAUZ/FKX1CYY1/FDETAUZFKX1CYY1.SMALL.jpg chazy Have you haver need energy for charging your mp3, cellphone, etc. when you're out of home?!I had.. So i decide to describe how to build your portable charger.I hope to be useful.SORRY FOR MY ENGLISH, I'M ITALIAN! What you need WHAT YOU NEED: - 5v regulator (i used a 7805) - Small piece of velcr...
By: chazy

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Wed, 10 Sep 2008 11:43:04 PDT
Earth battery. http://www.instructables.com/id/Earth-battery/
Earth battery. - More DIY How To Projects]]> http://cdn.instructables.com/F3P/XWUV/GPBD4D6X/F3PXWUVGPBD4D6X.SQUARE2.jpg http://cdn.instructables.com/F3P/XWUV/GPBD4D6X/F3PXWUVGPBD4D6X.SQUARE.jpg http://cdn.instructables.com/F3P/XWUV/GPBD4D6X/F3PXWUVGPBD4D6X.SMALL.jpg Computothought Earth batteries have been used for centuries, but it more recent times they were used in the 1800's to power telegraph stations. In this instructable we will try to replicate the earth battery in two forms. First as a single cell and then as multiple cells. How successful will we be? Will it be free...
By: Computothought

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Sat, 3 Sep 2011 11:01:35 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
How to Make a Battery Out of Mud http://www.instructables.com/id/An-Easy-Cheap-Soil-based-Microbial-Fuel-Cell/
How to Make a Battery Out of Mud - More DIY How To Projects]]> http://cdn.instructables.com/FDW/QM3I/GQO92IT6/FDWQM3IGQO92IT6.SQUARE2.jpg http://cdn.instructables.com/FDW/QM3I/GQO92IT6/FDWQM3IGQO92IT6.SQUARE.jpg http://cdn.instructables.com/FDW/QM3I/GQO92IT6/FDWQM3IGQO92IT6.SMALL.jpg 20StoryLincoln While trying to make a microbial fuel cell apparently I stumbled upon how to make an Earth battery, which is something whose existence I really had no clue about until I made one. While the current it generates is pretty much non-existent I've found that several of these in series are capable of dim...
By: 20StoryLincoln

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Sat, 2 Jul 2011 09:28:31 PDT
14 amp hour / 140 watt hour lithium ion battery http://www.instructables.com/id/14-amp-hour-140-watt-hour-lithium-ion-battery/
14 amp hour / 140 watt hour lithium ion battery - More DIY How To Projects]]> http://cdn.instructables.com/FB7/VAOU/H1JUJPUX/FB7VAOUH1JUJPUX.SQUARE2.jpg http://cdn.instructables.com/FB7/VAOU/H1JUJPUX/FB7VAOUH1JUJPUX.SQUARE.jpg http://cdn.instructables.com/FB7/VAOU/H1JUJPUX/FB7VAOUH1JUJPUX.SMALL.jpg Noblenutria This is a 1S14P lithium ion pack made out of 18650s found in laptops.  Each 18650 cell is 2 amp hours or 10 watt hours.  14 18650s in parallel is 140 watt hours and 28 amp hours.   I think the single biggest reason for following this instructable to the T is because by the end you will have a self ...
By: Noblenutria

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Sun, 6 May 2012 11:50:39 PDT
Silencing the Verizon Battery Alarm http://www.instructables.com/id/Silencing-the-Verizon-Battery-Alarm/
Silencing the Verizon Battery Alarm - More DIY How To Projects]]> http://cdn.instructables.com/FYR/VC4Q/I6T7TCHQ/FYRVC4QI6T7TCHQ.SQUARE2.jpg http://cdn.instructables.com/FYR/VC4Q/I6T7TCHQ/FYRVC4QI6T7TCHQ.SQUARE.jpg http://cdn.instructables.com/FYR/VC4Q/I6T7TCHQ/FYRVC4QI6T7TCHQ.SMALL.jpg DanielL18 In addition to cable television and internet service, Verizon provides land-line telephone service. This service uses a voice over IP protocol, meaning it uses the internet service to deliver voice communications. To ensure uninterrupted land-line telephone service Verizon is required to provide a b...
By: DanielL18

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Tue, 3 Mar 2015 03:48:26 PST
portable 9V to 5V battery http://www.instructables.com/id/portable-9V-to-5V-battery/
portable 9V to 5V battery - More DIY How To Projects]]> http://cdn.instructables.com/F1B/WARE/G79D45JY/F1BWAREG79D45JY.SQUARE2.jpg http://cdn.instructables.com/F1B/WARE/G79D45JY/F1BWAREG79D45JY.SQUARE.jpg http://cdn.instructables.com/F1B/WARE/G79D45JY/F1BWAREG79D45JY.SMALL.jpg godofal checklist, parts and tools. parts: - 9V battery (duh) - 9V battery clip (duh again) - 5V regulator ( L7805 ) sparkfun $0.85 - a piece of proto board - 2x 1uF ceramic disk capacitor (this isnt really that exact, use about this value if you do not have it) - an aluminium heat dispenser (not sure...
By: godofal

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Sun, 28 Mar 2010 04:21:20 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
Electro shock device out of a 9V adapter http://www.instructables.com/id/Electro-shock-device-out-of-a-9V-adapter/
Electro shock device out of a 9V adapter - More DIY How To Projects]]> http://cdn.instructables.com/FJ0/7EXY/HLOC2OZ5/FJ07EXYHLOC2OZ5.SQUARE2.jpg http://cdn.instructables.com/FJ0/7EXY/HLOC2OZ5/FJ07EXYHLOC2OZ5.SQUARE.jpg http://cdn.instructables.com/FJ0/7EXY/HLOC2OZ5/FJ07EXYHLOC2OZ5.SMALL.jpg Tlaci18 Hi, This is an old version of this project, check out a brand new one! :) This is a shock device, what you can use as a taser, or a torture device. I have tried it, and I'm alive. The output voltage is about 600-1000 Volts in the maximum strenght. The power source is a 9V battery, so you don't have ...
By: Tlaci18

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Tue, 17 Sep 2013 08:44:13 PDT
Increase the capacity (runtime) of your laptop battery. http://www.instructables.com/id/Increase-the-capacity-runtime-of-your-laptop-bat/
Increase the capacity (runtime) of your laptop battery. - More DIY How To Projects]]> http://cdn.instructables.com/FCI/WKLD/F1OABR2M/FCIWKLDF1OABR2M.SQUARE2.jpg http://cdn.instructables.com/FCI/WKLD/F1OABR2M/FCIWKLDF1OABR2M.SQUARE.jpg http://cdn.instructables.com/FCI/WKLD/F1OABR2M/FCIWKLDF1OABR2M.SMALL.jpg xeijix Is your laptop battery dead? Is the runtime not long enough to get you through the day? Do you carry one of those huge external battery packs? This instructable is intended to show how one may replace the dead li-ion/li-poly cells of a laptop battery and how one may increase the capacity of the bat...
By: xeijix

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Tue, 15 May 2007 19:01:00 PDT
2.0 Portable Bluetooth Boombox http://www.instructables.com/id/20-Portable-Bluetooth-Boombox/
2.0 Portable Bluetooth Boombox - More DIY How To Projects]]> http://cdn.instructables.com/F16/7RJU/IJSXA0SW/F167RJUIJSXA0SW.SQUARE2.jpg http://cdn.instructables.com/F16/7RJU/IJSXA0SW/F167RJUIJSXA0SW.SQUARE.jpg http://cdn.instructables.com/F16/7RJU/IJSXA0SW/F167RJUIJSXA0SW.SMALL.jpg thappasahil This instructable is on building a 2.0 portable bluetooth Boombox.For this build I sourced parts locally as well as from China. In this build I've given two bass port at the bottom. The speaker is powered by a 12V 7Ah Sealed Lead Acid Battery and is having Bluetooth V2.0 + EDR connectivity. This mig...
By: thappasahil

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Mon, 25 Jan 2016 02:57:17 PST
Convert Your Old Laptop Battery Into a Power Bank http://www.instructables.com/id/Convert-Your-Old-Laptop-Battery-Into-a-Power-Bank/
Convert Your Old Laptop Battery Into a Power Bank - More DIY How To Projects]]> http://cdn.instructables.com/FQK/IONE/IK1HRDC4/FQKIONEIK1HRDC4.SQUARE2.jpg http://cdn.instructables.com/FQK/IONE/IK1HRDC4/FQKIONEIK1HRDC4.SQUARE.jpg http://cdn.instructables.com/FQK/IONE/IK1HRDC4/FQKIONEIK1HRDC4.SMALL.jpg GreatScottLab In this project I will show you how to convert a battery from an old laptop into a power bank which can charge an ordinary phone 4 to 5 times with a single charge. Let's get started! Watch the video! The video gives you a basic overview which steps are necessary to create your own power bank. But...
By: GreatScottLab

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Sun, 31 Jan 2016 07:58:22 PST
Self Sufficient Arduino Board http://www.instructables.com/id/Self-Sufficient-Arduino-Board/
Self Sufficient Arduino Board - More DIY How To Projects]]> http://cdn.instructables.com/FIH/PPF1/F82EU51W/FIHPPF1F82EU51W.SQUARE2.jpg http://cdn.instructables.com/FIH/PPF1/F82EU51W/FIHPPF1F82EU51W.SQUARE.jpg http://cdn.instructables.com/FIH/PPF1/F82EU51W/FIHPPF1F82EU51W.SMALL.jpg p2man This is a self sufficient Arduino board, which is powered by harnessing solar power and using a 9V rechargeable battery. It is perfect for anyone who is interested in doing Arduino projects that do not require a computer or any power supply. You can take this to the most remote places for any projec...
By: p2man

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Wed, 24 Oct 2007 02:10:20 PDT
How to make a 9 volt battery http://www.instructables.com/id/How-to-make-a-9-volt-battery/
How to make a 9 volt battery - More DIY How To Projects]]> http://cdn.instructables.com/F68/1SYT/GPZAHH8V/F681SYTGPZAHH8V.SQUARE2.jpg http://cdn.instructables.com/F68/1SYT/GPZAHH8V/F681SYTGPZAHH8V.SQUARE.jpg http://cdn.instructables.com/F68/1SYT/GPZAHH8V/F681SYTGPZAHH8V.SMALL.jpg Paint_Man Ever run out of 9 volt batteries, or just need a quick fix for your projects? I will show you how to make a 9 volt battery. I guarantee you this has more capacity as any other 9 volt battery you would find in a store! This is my first Instructable. What you need: You will need 6 AA Batteries, al...
By: Paint_Man

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Tue, 12 Jul 2011 03:45:47 PDT
MASLOW: an Open WiFi Detector with ESP8266 http://www.instructables.com/id/MASLOW-an-Open-WiFi-Detector-With-ESP8266/
MASLOW: an Open WiFi Detector with ESP8266 - More DIY How To Projects]]> http://cdn.instructables.com/FVX/49ZS/IJ1PJV9D/FVX49ZSIJ1PJV9D.SQUARE2.jpg http://cdn.instructables.com/FVX/49ZS/IJ1PJV9D/FVX49ZSIJ1PJV9D.SQUARE.jpg http://cdn.instructables.com/FVX/49ZS/IJ1PJV9D/FVX49ZSIJ1PJV9D.SMALL.jpg sabas1080 English/EspañolHola amigos en esta ocasión le voy a enseñar como hacer un detector de redes abiertas con el modulo WiFi ESP8266, este detector nos notifica cuando una red WiFi cerca de nosotros esta abierta o no tiene cifrado WEP (que casi es lo mismo que abierta), cuando el ESP8266 detecte uno de e...
By: sabas1080

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Tue, 5 Jan 2016 16:36:49 PST
Magnet Car http://www.instructables.com/id/Magnet-Car/
Magnet Car - More DIY How To Projects]]> http://cdn.instructables.com/F7M/2H3U/IJ1RT6UD/F7M2H3UIJ1RT6UD.SQUARE2.jpg http://cdn.instructables.com/F7M/2H3U/IJ1RT6UD/F7M2H3UIJ1RT6UD.SQUARE.jpg http://cdn.instructables.com/F7M/2H3U/IJ1RT6UD/F7M2H3UIJ1RT6UD.SMALL.jpg KJMagnetics Here is a quick, easy way to create a self-propelled car using simple household items! All it takes is some magnets, a AA battery, and some aluminum foil! Find the Supplies As previously mentioned, you only need three things to complete the project-- a few magnets, a AA battery, and aluminum foi...
By: KJMagnetics

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Wed, 6 Jan 2016 10:59:01 PST
USB Li-ion battery charger http://www.instructables.com/id/USB-Li-ion-battery-charger/
USB Li-ion battery charger - More DIY How To Projects]]> http://cdn.instructables.com/FSM/FBM0/CZZEV1BEP2L/FSMFBM0CZZEV1BEP2L.SQUARE2.jpg http://cdn.instructables.com/FSM/FBM0/CZZEV1BEP2L/FSMFBM0CZZEV1BEP2L.SQUARE.jpg http://cdn.instructables.com/FSM/FBM0/CZZEV1BEP2L/FSMFBM0CZZEV1BEP2L.SMALL.gif neelandan This is a charger for lithium ion batteries which takes its power from the USB port of a computer. It uses the MCP73861 or MCP73863 Li-ion battery charger chip manufactured by Microchip. The USB power connector A piece of edge connector hacked off an ancient ethernet board serves as the power c...
By: neelandan

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Tue, 28 Nov 2006 00:59:50 PST
Battery float charger http://www.instructables.com/id/Battery-Float-Charger/
Battery float charger - More DIY How To Projects]]> http://cdn.instructables.com/F8P/8YH1/IIUKCKP3/F8P8YH1IIUKCKP3.SQUARE2.jpg http://cdn.instructables.com/F8P/8YH1/IIUKCKP3/F8P8YH1IIUKCKP3.SQUARE.jpg http://cdn.instructables.com/F8P/8YH1/IIUKCKP3/F8P8YH1IIUKCKP3.SMALL.jpg Nobilis Ensuring your vehicle batteries are always in good condition is important.Preserving of our environment is/should be mandatory.This project supports both purpose. It recycles an outdated feature phone wall adapter to create a lead-acid battery float charger. The wall adapter gets a new life and the ...
By: Nobilis

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Thu, 31 Dec 2015 14:56:13 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
Renew Your Laptop Battery http://www.instructables.com/id/Renew-Your-Laptop-Battery/
Renew Your Laptop Battery - More DIY How To Projects]]> http://cdn.instructables.com/FK1/SZAP/GKXTX76J/FK1SZAPGKXTX76J.SQUARE2.jpg http://cdn.instructables.com/FK1/SZAP/GKXTX76J/FK1SZAPGKXTX76J.SQUARE.jpg http://cdn.instructables.com/FK1/SZAP/GKXTX76J/FK1SZAPGKXTX76J.SMALL.jpg waqasjamil Change Your Laptop Battery cells instead of buying expensive new battery...
By: waqasjamil

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Mon, 7 Mar 2011 04:29:34 PST
Aluminium Sulfate Lead Acid Battery Conversion http://www.instructables.com/id/Aluminium-Sulfate-Lead-Acid-Battery/
Aluminium Sulfate Lead Acid Battery Conversion - More DIY How To Projects]]> http://cdn.instructables.com/FCU/C7EJ/HOHYE31B/FCUC7EJHOHYE31B.SQUARE2.jpg http://cdn.instructables.com/FCU/C7EJ/HOHYE31B/FCUC7EJHOHYE31B.SQUARE.jpg http://cdn.instructables.com/FCU/C7EJ/HOHYE31B/FCUC7EJHOHYE31B.SMALL.jpg speakerbox quick how to on aluminum sulfate electrolyte for lead acid batteries. Purchase Ingredients. you will need aluminium sulfate, a hydrometer, distilled water and a two buckets.also you will need a face mask. long sleeves, safety goggles and water on hand.this job could cause death or serious harm ...
By: speakerbox

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Fri, 29 Nov 2013 19:29:59 PST
AMPLFY - The Coolest DIY Speaker Ever! http://www.instructables.com/id/AMPLFY-the-Coolest-DIY-Speaker-Ever/
AMPLFY - The Coolest DIY Speaker Ever! - More DIY How To Projects]]> http://cdn.instructables.com/FBC/ZWOW/II21QJ1P/FBCZWOWII21QJ1P.SQUARE2.jpg http://cdn.instructables.com/FBC/ZWOW/II21QJ1P/FBCZWOWII21QJ1P.SQUARE.jpg http://cdn.instructables.com/FBC/ZWOW/II21QJ1P/FBCZWOWII21QJ1P.SMALL.jpg Baclair Do you want to know how to build the best portable speaker, which looks great and sounds even better? This portable speaker will out perform most portable Bluetooth speakers on the market. This speaker is perfect for fishing, camping, the beach, worksites, parties and especially festivals.This Instr...
By: Baclair

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Sat, 12 Dec 2015 06:04:15 PST
Build a World's Smallest Electronic Shocker! version 2.5 http://www.instructables.com/id/How-to-build-the-worlds-smallest-shocker-wLED/
Build a World's Smallest Electronic Shocker! version 2.5 - More DIY How To Projects]]> http://cdn.instructables.com/FHF/1GAN/FUVSG9SE/FHF1GANFUVSG9SE.SQUARE2.jpg http://cdn.instructables.com/FHF/1GAN/FUVSG9SE/FHF1GANFUVSG9SE.SQUARE.jpg http://cdn.instructables.com/FHF/1GAN/FUVSG9SE/FHF1GANFUVSG9SE.SMALL.jpg Plasmana It is good to know if the tiny shocker is on or not, by adding a wonderful invention called the "LED", so you don't risk get bitten by the shocker again!Disclaimer: This shocker can be dangerous if used improperly, it gives out about 400 to 450 volts, so I am NOT responsible if you or anybody are in...
By: Plasmana

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Fri, 22 May 2009 12:09:45 PDT
Custom Arduino Micro Quadcopter Concept http://www.instructables.com/id/Custom-Arduino-Micro-Quadrocopter-Concept/
Custom Arduino Micro Quadcopter Concept - More DIY How To Projects]]> http://cdn.instructables.com/FKL/74PS/HTK5ND84/FKL74PSHTK5ND84.SQUARE2.jpg http://cdn.instructables.com/FKL/74PS/HTK5ND84/FKL74PSHTK5ND84.SQUARE.jpg http://cdn.instructables.com/FKL/74PS/HTK5ND84/FKL74PSHTK5ND84.SMALL.jpg jackjackboom EDIT APRIL 14: Sorry guys for the late entry. life has been really hectic lately for me since we had to to replace a sewage pipe buried in the concrete slab our house sits on. But we have made some progress! code is somewhat coming along but it is the hardest part. We also redesigned the frame and n...
By: jackjackboom

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Wed, 2 Apr 2014 15:09:54 PDT
Battery Powered LED Christmas Lights http://www.instructables.com/id/Battery-Powered-LED-Christmas-Lights/
Battery Powered LED Christmas Lights - More DIY How To Projects]]> http://cdn.instructables.com/FSU/K2SY/FNNKD1ZN/FSUK2SYFNNKD1ZN.SQUARE2.jpg http://cdn.instructables.com/FSU/K2SY/FNNKD1ZN/FSUK2SYFNNKD1ZN.SQUARE.jpg http://cdn.instructables.com/FSU/K2SY/FNNKD1ZN/FSUK2SYFNNKD1ZN.SMALL.jpg Sunbanks Christmas lights are good for more than just decorating your tree. You could make a sparkleball with them. But what if you want to hang it from your ceiling? You would have to plug the lights into an outlet and I don't know about you but I don't have outlets in my ceiling. So why not make them batte...
By: Sunbanks

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Sun, 23 Nov 2008 10:59:55 PST
DIY Bottle Cap Flashlight http://www.instructables.com/id/DIY-Bottle-Cap-Flashlight/
DIY Bottle Cap Flashlight - More DIY How To Projects]]> http://cdn.instructables.com/F4M/PQA4/IHDTB8W4/F4MPQA4IHDTB8W4.SQUARE2.jpg http://cdn.instructables.com/F4M/PQA4/IHDTB8W4/F4MPQA4IHDTB8W4.SQUARE.jpg http://cdn.instructables.com/F4M/PQA4/IHDTB8W4/F4MPQA4IHDTB8W4.SMALL.jpg ShiftyTips Yes this is a flashlight built in a bottle cap :)I thought that would be funny to turn a regular cap into a flashlight nothing more only that can I do it?And yes I made it that was a long journey with a lot of attempts!But If you stay with me you can make your own ;)So let's start... Watch the vid...
By: ShiftyTips

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Tue, 24 Nov 2015 12:35:12 PST
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
Emergency charge a phone with a spare USB cable. http://www.instructables.com/id/Emergency-charge-a-phone-with-a-spare-USB-cable/
Emergency charge a phone with a spare USB cable. - More DIY How To Projects]]> http://cdn.instructables.com/F9D/6KB9/G91Y8ZMC/F9D6KB9G91Y8ZMC.SQUARE2.jpg http://cdn.instructables.com/F9D/6KB9/G91Y8ZMC/F9D6KB9G91Y8ZMC.SQUARE.jpg http://cdn.instructables.com/F9D/6KB9/G91Y8ZMC/F9D6KB9G91Y8ZMC.SMALL.jpg killerjackalope The other day my phone, which is on its last legs ran out of battery while I was expecting a few important calls and texts that would need replies fast, I was in tech with no phone charger and wouldn't be home for another six hours so I did this...  *WARNINGS* The course of action in this instructa...
By: killerjackalope

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Thu, 13 May 2010 11:32:56 PDT
iRobot Dead Battery Cell Fix http://www.instructables.com/id/iRobot-Dead-Battery-Cell-Fix/
iRobot Dead Battery Cell Fix - More DIY How To Projects]]> http://cdn.instructables.com/FGN/L3C8/FNNK6KDR/FGNL3C8FNNK6KDR.SQUARE2.jpg http://cdn.instructables.com/FGN/L3C8/FNNK6KDR/FGNL3C8FNNK6KDR.SQUARE.jpg http://cdn.instructables.com/FGN/L3C8/FNNK6KDR/FGNL3C8FNNK6KDR.SMALL.jpg sklarm A step-by-step tutorial showing how I repaired my $60 Dirt Dog battery with just a AA battery and some tape. We start off with a Dirt Dog battery that has a voltage of 15.87V which is indicative of a bad cell. When we complete the repair we are at 17.12V and that is without even charging the pack. ...
By: sklarm

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Sat, 22 Nov 2008 09:30:19 PST
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
Build a 4 x AA USB Altoids Battery http://www.instructables.com/id/Build-a-4-x-AA-USB-Altoids-Battery/
Build a 4 x AA USB Altoids Battery - More DIY How To Projects]]> http://cdn.instructables.com/FHF/9VU9/M60EQZJHVAG/FHF9VU9M60EQZJHVAG.SQUARE2.jpg http://cdn.instructables.com/FHF/9VU9/M60EQZJHVAG/FHF9VU9M60EQZJHVAG.SQUARE.jpg http://cdn.instructables.com/FHF/9VU9/M60EQZJHVAG/FHF9VU9M60EQZJHVAG.SMALL.jpg Sitnalta Not long ago, I upgraded the hard drive in my laptop from an 80GB 4200RPM to a 120GB 5200RPM. Not wanting to let my old 2.5" drive go to waste, I bought a rather nice USB enclosure for it.Ah, but there was a catch. USB ports can only supply a maximum of 500 milliamps. The hard drive will need 550mA,...
By: Sitnalta

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Thu, 17 Aug 2006 20:49:23 PDT