Instructables: exploring - technology - 12v http://www.instructables.com Thu, 17 Apr 2014 06:07:39 PDT BLOX v1.01 Repairing an overheating laptop by changing existing fan to 12V BLDC fan and improving airflow http://www.instructables.com/id/Repairing-an-overheating-laptop-by-changing-existi/
Repairing an overheating laptop by changing existing fan to 12V BLDC fan and improving airflow - More DIY How To Projects]]> http://cdn.instructables.com/FAL/GRLR/HRWN7ILQ/FALGRLRHRWN7ILQ.SQUARE2.jpg http://cdn.instructables.com/FAL/GRLR/HRWN7ILQ/FALGRLRHRWN7ILQ.SQUARE.jpg http://cdn.instructables.com/FAL/GRLR/HRWN7ILQ/FALGRLRHRWN7ILQ.SMALL.jpg advancetard Repairing an overheating laptop by changing existing fan to 12V BLDC fan and improving airflow This tutorial will go over several step to cool down an overheating laptop beyond dust and cleaning and note the inefficiency of laptop heatsinks fans and cooling. This one in particular cannot run CPU@10...
By: advancetard

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Fri, 21 Feb 2014 21:41:07 PST
DIY Humidifier http://www.instructables.com/id/DIY-Ultrasonic-Humidifier/
DIY Humidifier - More DIY How To Projects]]> http://cdn.instructables.com/F0F/3EX4/HMWVZEIR/F0F3EX4HMWVZEIR.SQUARE2.jpg http://cdn.instructables.com/F0F/3EX4/HMWVZEIR/F0F3EX4HMWVZEIR.SQUARE.jpg http://cdn.instructables.com/F0F/3EX4/HMWVZEIR/F0F3EX4HMWVZEIR.SMALL.jpg Turbocharged Chameleon This humidifier uses light instead of a LED Fogger or Sponge to humidify a room in your house. This may not be the most effecient method, but it can still be used to make a cheap humidifier. Gather Parts To make this humidifer, you will need the following parts. They can be salvaged or purchased ...
By: Turbocharged Chameleon

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Sat, 19 Oct 2013 15:27:52 PDT
Ammo Can 12V Power Supply - Updated! http://www.instructables.com/id/Ammo-Can-12V-Power-Supply/ http://cdn.instructables.com/FPC/HJYZ/HLJUXT5B/FPCHJYZHLJUXT5B.SQUARE2.jpg http://cdn.instructables.com/FPC/HJYZ/HLJUXT5B/FPCHJYZHLJUXT5B.SQUARE.jpg http://cdn.instructables.com/FPC/HJYZ/HLJUXT5B/FPCHJYZHLJUXT5B.SMALL.jpg Grunambulax This is a simple power supply.  I had some 12V batteries from an old alarm system and telephone backup system.  I simply wired them in parallel and wired in a power outlet and alligator clips.  I currently use the alligator clips to attach the batteries to a trickle charger.  When not charging I put...
By: Grunambulax

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Sun, 15 Sep 2013 18:19:33 PDT
Hardware Flashlight 2.0 http://www.instructables.com/id/Hardware-Flashlight-20/
Hardware Flashlight 2.0 - More DIY How To Projects]]> http://cdn.instructables.com/FQN/58K1/HKM944Z2/FQN58K1HKM944Z2.SQUARE2.jpg http://cdn.instructables.com/FQN/58K1/HKM944Z2/FQN58K1HKM944Z2.SQUARE.jpg http://cdn.instructables.com/FQN/58K1/HKM944Z2/FQN58K1HKM944Z2.SMALL.jpg sjroth A few months ago I posted my first Hardware Flashlight here on Instructables. Though it was a mediocre success, I loved the concept and wanted to have one that worked. So I thought of all the ways that I could improve it. Here's the list of possible improvements I made for the first Instructable: "...
By: sjroth

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Fri, 30 Aug 2013 12:46:50 PDT
A Portable 12v Power Supply http://www.instructables.com/id/A-Portable-12v-Power-Supply/
A Portable 12v Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FM0/ODTE/HJUWRQGF/FM0ODTEHJUWRQGF.SQUARE2.jpg http://cdn.instructables.com/FM0/ODTE/HJUWRQGF/FM0ODTEHJUWRQGF.SQUARE.jpg http://cdn.instructables.com/FM0/ODTE/HJUWRQGF/FM0ODTEHJUWRQGF.SMALL.jpg belliott76 OK so here's the backstory on this one...I was going to go camping with my kids, and we do some easy geocaching. I usually use my phone, but wanted something that didn't need a data connection. I'm on a tight budget, and I already had a GPS unit, but the battery doesn't hold a charge. I looked up bu...
By: belliott76

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Fri, 2 Aug 2013 06:11:46 PDT
RGB LED Bike Lighting http://www.instructables.com/id/RGB-LED-Bike-Lighting/ http://cdn.instructables.com/FAH/A8I3/HJKC67CB/FAHA8I3HJKC67CB.SQUARE2.jpg http://cdn.instructables.com/FAH/A8I3/HJKC67CB/FAHA8I3HJKC67CB.SQUARE.jpg http://cdn.instructables.com/FAH/A8I3/HJKC67CB/FAHA8I3HJKC67CB.SMALL.jpg l1_am This project is a simple way to light up your bike using off the shelf LED lights. I used IKEA decorative lighting bars, which came with a small control box. The controls include a colour wheel, fade, and colour flash modes. I used some Sugru to waterproof the ends of the otherwise enclosed light st...
By: l1_am

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Fri, 26 Jul 2013 13:17:37 PDT
How do I power my finished circuit? Here's the fix! Just plug it in !! http://www.instructables.com/id/How-do-I-power-my-finished-circuit-Heres-the-fix/ http://cdn.instructables.com/FC1/60GN/HH2VNF5H/FC160GNHH2VNF5H.SQUARE2.jpg http://cdn.instructables.com/FC1/60GN/HH2VNF5H/FC160GNHH2VNF5H.SQUARE.jpg http://cdn.instructables.com/FC1/60GN/HH2VNF5H/FC160GNHH2VNF5H.SMALL.jpg SuperTech-IT OK - so you've moved your project to a perfboard or you're designing a PC board for it. The question is - what's a cheap and easy way to power it? Well, we are familiar with the wall warts, but they are often bulky, and not always convenient. Yes, you can use an iPhone charger, but the USB cord come...
By: SuperTech-IT

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Tue, 28 May 2013 22:16:03 PDT
Easy Battery Holder http://www.instructables.com/id/Easy-Battery-Holder/
Easy Battery Holder - More DIY How To Projects]]> http://cdn.instructables.com/F9B/CVF8/HDOWA5IU/F9BCVF8HDOWA5IU.SQUARE2.jpg http://cdn.instructables.com/F9B/CVF8/HDOWA5IU/F9BCVF8HDOWA5IU.SQUARE.jpg http://cdn.instructables.com/F9B/CVF8/HDOWA5IU/F9BCVF8HDOWA5IU.SMALL.jpg sjroth This is an idea I came up with while I was making my previous Instructable. As I mentioned in there, my first version of the project did not work out very well at all, partially because I didn't have a proper battery holder. This simple, effortless idea would have helped me a lot.  Supplies All ...
By: sjroth

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Sat, 2 Mar 2013 02:03:43 PST
5V voltage regulator with 7805 http://www.instructables.com/id/5V-voltage-regulator-with-7805/ http://cdn.instructables.com/FI0/UH3E/HBXWS0B6/FI0UH3EHBXWS0B6.SQUARE2.jpg http://cdn.instructables.com/FI0/UH3E/HBXWS0B6/FI0UH3EHBXWS0B6.SQUARE.jpg http://cdn.instructables.com/FI0/UH3E/HBXWS0B6/FI0UH3EHBXWS0B6.SMALL.jpg Timofte Andrei I present to you my new project, that I've made yesterday. It's a 5V voltage regulator that I'm going to use to power my breadboard Sanguino. I've used the schematic from Sanguino site and It's looking pretty nice. I also had some issues in finding some parts like those two 100nF ceramic capacitors,...
By: Timofte Andrei

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Sat, 19 Jan 2013 01:56:23 PST
12VDC/220VAC relay module for Arduino (homemade) http://www.instructables.com/id/12VDC220VAC-relay-module-for-Arduino-homemade/ http://cdn.instructables.com/FAU/DP3G/HAQ3B6E4/FAUDP3GHAQ3B6E4.SQUARE2.jpg http://cdn.instructables.com/FAU/DP3G/HAQ3B6E4/FAUDP3GHAQ3B6E4.SQUARE.jpg http://cdn.instructables.com/FAU/DP3G/HAQ3B6E4/FAUDP3GHAQ3B6E4.SMALL.jpg Timofte Andrei Hi there! Few days ago I've made a small relay module for my Arduino. The problem was that I founded in my local electronic parts shop, relays controlled by 12V instead of 5V as it is required by Arduino. So I checked on internet for schematics and I managed to find a simple schematic that I've chan...
By: Timofte Andrei

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Sun, 6 Jan 2013 23:22:53 PST
DIY LED Replacement Bulbs for 12 Volt Landscape Lighting Wedge Base Bulbs http://www.instructables.com/id/DIY-LED-Replacement-Bulbs-for-12-Volt-Landscape-Li/
DIY LED Replacement Bulbs for 12 Volt Landscape Lighting Wedge Base Bulbs - More DIY How To Projects]]> http://cdn.instructables.com/FR4/5DLJ/HA4M4QCG/FR45DLJHA4M4QCG.SQUARE2.jpg http://cdn.instructables.com/FR4/5DLJ/HA4M4QCG/FR45DLJHA4M4QCG.SQUARE.jpg http://cdn.instructables.com/FR4/5DLJ/HA4M4QCG/FR45DLJHA4M4QCG.SMALL.jpg All4FunOC A while ago I decided to minimize our energy usage using LED lights wherever possible. Why not start in the front yard? I was using a 500 Watt supply and now use a 44 Watt supply!  I looked online for Wedge Base LED Bulbs. I saw lots of fancy circuitry and weatherproof housings that were going into ...
By: All4FunOC

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Fri, 14 Dec 2012 11:58:01 PST
12v to 7v Molex Fan Switch http://www.instructables.com/id/12v-to-7v-Molex-Fan-Switch/
12v to 7v Molex Fan Switch - More DIY How To Projects]]> http://cdn.instructables.com/FZL/AGNZ/H97JYBZF/FZLAGNZH97JYBZF.SQUARE2.jpg http://cdn.instructables.com/FZL/AGNZ/H97JYBZF/FZLAGNZH97JYBZF.SQUARE.jpg http://cdn.instructables.com/FZL/AGNZ/H97JYBZF/FZLAGNZH97JYBZF.SMALL.jpg vanwazltoff When you have high performance fans [high CFM and static pressure] your fans tend to be pretty noisy [over 20dBA] when you use them at 12v. I will show you how to make a simple 12v to 7v switch so you can silence your fans on demand but not lose the 12v for those high performance moments. Before thi...
By: vanwazltoff

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Tue, 6 Nov 2012 22:44:18 PST
Aquarium Light LED Refit http://www.instructables.com/id/Aquarium-Light-LED-Refit/
Aquarium Light LED Refit - More DIY How To Projects]]> http://cdn.instructables.com/FFY/1JIN/H8CVKOXU/FFY1JINH8CVKOXU.SQUARE2.jpg http://cdn.instructables.com/FFY/1JIN/H8CVKOXU/FFY1JINH8CVKOXU.SQUARE.jpg http://cdn.instructables.com/FFY/1JIN/H8CVKOXU/FFY1JINH8CVKOXU.SMALL.jpg ChromationSystems I acquired some broken fluorescent fixtures used for aquariums, they are made of mostly aluminum, with metal reflectors, and are of high quality, too good to go to the scrapper. So I converted them to use white LED strip with daisy chainable connectors on both ends.  A single salvaged PC power supp...
By: ChromationSystems

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Thu, 18 Oct 2012 12:43:08 PDT
Remote Control Finder/Locator! http://www.instructables.com/id/Remote-Control-Locator/
Remote Control Finder/Locator! - More DIY How To Projects]]> http://cdn.instructables.com/FG8/5GYW/H5EDUG6E/FG85GYWH5EDUG6E.SQUARE2.jpg http://cdn.instructables.com/FG8/5GYW/H5EDUG6E/FG85GYWH5EDUG6E.SQUARE.jpg http://cdn.instructables.com/FG8/5GYW/H5EDUG6E/FG85GYWH5EDUG6E.SMALL.jpg Captain Skully Have you ever lost your remote controller, and it takes up to DAYS to find it. Well now you can find it in a matter of seconds with my one of a kind Home Made Remote Control Locator! This project will cost a little money depending on what tools you do or don't have. For me this project took 2 days, ...
By: Captain Skully

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Thu, 9 Aug 2012 22:05:30 PDT
Old Lamp Converted To LED http://www.instructables.com/id/Old-Lamp-Converted-To-LED/
Old Lamp Converted To LED - More DIY How To Projects]]> http://cdn.instructables.com/FNC/8Z1Y/H5E9JUAL/FNC8Z1YH5E9JUAL.SQUARE2.jpg http://cdn.instructables.com/FNC/8Z1Y/H5E9JUAL/FNC8Z1YH5E9JUAL.SQUARE.jpg http://cdn.instructables.com/FNC/8Z1Y/H5E9JUAL/FNC8Z1YH5E9JUAL.SMALL.jpg god.favored A while ago I bought a couple rolls of LED strips for my car and couldn't think of what to do with the leftover until I finally decided to stop paying $5.00 at a time for bulbs in my lamp that burn out every 2 weeks.   Its a fairly even conversion, and it turned out pretty well. Planning You'll ...
By: god.favored

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Sun, 5 Aug 2012 10:43:36 PDT
LM4440/LA4440 20W AUDIO AMPLIFIER WITH 12V http://www.instructables.com/id/LM4440LA4440-12W-AUDIO-AMPLIFIER-WITH-12V/ http://cdn.instructables.com/FOO/EH22/H337K18J/FOOEH22H337K18J.SQUARE2.jpg http://cdn.instructables.com/FOO/EH22/H337K18J/FOOEH22H337K18J.SQUARE.jpg http://cdn.instructables.com/FOO/EH22/H337K18J/FOOEH22H337K18J.SMALL.jpg victordas This is a simple audio amplifier circuit but pretty good output. it runs only with 12v power supply. it can also be used as car audio player only thing is need is vire mp3 player and for that i have included 5v power supply with LM7805 . i have designed this amplifier only for my few friends request...
By: victordas

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Sat, 9 Jun 2012 11:54:28 PDT
Visual rain sensor http://www.instructables.com/id/Visual-rain-sensor/
Visual rain sensor - More DIY How To Projects]]> http://cdn.instructables.com/FXC/EXGP/H2BMNYHK/FXCEXGPH2BMNYHK.SQUARE2.jpg http://cdn.instructables.com/FXC/EXGP/H2BMNYHK/FXCEXGPH2BMNYHK.SQUARE.jpg http://cdn.instructables.com/FXC/EXGP/H2BMNYHK/FXCEXGPH2BMNYHK.SMALL.jpg frapedia An other rain sensor, it consists of the typical rain sensor with the line shaped PCB where the rain falls, a microphone per-amplifier, an amplifier, a VU meter and a power supply to drive all the above. The idea is simple, lets say you have no access to weather conditions but you want to know i...
By: frapedia

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Wed, 23 May 2012 19:01:46 PDT
Waterproof Solar Powered Boom Box http://www.instructables.com/id/Waterproof-Solar-Powered-Boom-Box/
Waterproof Solar Powered Boom Box - More DIY How To Projects]]> http://cdn.instructables.com/FSG/ZIHD/H174KMP8/FSGZIHDH174KMP8.SQUARE2.jpg http://cdn.instructables.com/FSG/ZIHD/H174KMP8/FSGZIHDH174KMP8.SQUARE.jpg http://cdn.instructables.com/FSG/ZIHD/H174KMP8/FSGZIHDH174KMP8.SMALL.jpg noahw This is a go anywhere, power anything, music blasting stereo that will keep the party rocking even in the pouring rain.  Housed inside a waterproof, crushproof, kittenproof enclosure, this stereo uses a water resistant marine head unit, and water resistant marine component speakers.  It's powered by...
By: noahw

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Mon, 14 May 2012 14:32:13 PDT
Wired control robot manual http://www.instructables.com/id/Wired-control-robot-manual-4x4/
Wired control robot manual - More DIY How To Projects]]> http://cdn.instructables.com/FM1/2L0S/H19RQR7Q/FM12L0SH19RQR7Q.SQUARE2.jpg http://cdn.instructables.com/FM1/2L0S/H19RQR7Q/FM12L0SH19RQR7Q.SQUARE.jpg http://cdn.instructables.com/FM1/2L0S/H19RQR7Q/FM12L0SH19RQR7Q.SMALL.jpg Avadhut.Deshmukh Simple Wired  Robot Manual tethered by the control wired,wire 4x2 or 4x4 ! dc gear motor 300rpm-1000rpm ...racing 4x4,robot mod,robot wars fight !If you want to make a robot at your home, let me tell you this. There are basically five types of robots they are:- 1.LEVEL ONE ROBOT (wired robot with 2 ...
By: Avadhut.Deshmukh

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Sat, 21 Apr 2012 07:59:21 PDT
Power Supply unit for arduino power and breadboard http://www.instructables.com/id/Power-Supply-For-Arduino-power-and-breadboard/
Power Supply unit for arduino power and breadboard - More DIY How To Projects]]> http://cdn.instructables.com/FKD/C8TO/H12SVEDU/FKDC8TOH12SVEDU.SQUARE2.jpg http://cdn.instructables.com/FKD/C8TO/H12SVEDU/FKDC8TOH12SVEDU.SQUARE.jpg http://cdn.instructables.com/FKD/C8TO/H12SVEDU/FKDC8TOH12SVEDU.SMALL.jpg Avadhut.Deshmukh how you can take a computer u hv old (power supply unit) and turn it into a power supply that will power your Arduino and give you all the amperage  you need as well as your standard 3.3 volts, 5 volts, and 12 volts for any accessories/electronics used on your breadboard And arduino power ,led 5v,12...
By: Avadhut.Deshmukh

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Mon, 16 Apr 2012 01:23:58 PDT
Electronic Controller Device (Analog) http://www.instructables.com/id/Electronic-Circuit-Device/
Electronic Controller Device (Analog) - More DIY How To Projects]]> http://cdn.instructables.com/FYX/A9OC/GZACQEUR/FYXA9OCGZACQEUR.SQUARE2.jpg http://cdn.instructables.com/FYX/A9OC/GZACQEUR/FYXA9OCGZACQEUR.SQUARE.jpg http://cdn.instructables.com/FYX/A9OC/GZACQEUR/FYXA9OCGZACQEUR.SMALL.jpg Sparker94 I made this analog circuit for two reasons. One: To stop my wires from melting due to too much current. Two: To limit the load on the alternator. Instead of the lights on a trailer going through the tail light circuit on the vehicle, which caused mine to melt, It will pull current directly from the ...
By: Sparker94

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Sat, 3 Mar 2012 19:45:04 PST
Emergency Fan Power Unit (EFPU) http://www.instructables.com/id/Emergency-Fan-Power-Unit-EFPU/ http://cdn.instructables.com/FS1/FQ5B/GO5IG6XO/FS1FQ5BGO5IG6XO.SQUARE2.jpg http://cdn.instructables.com/FS1/FQ5B/GO5IG6XO/FS1FQ5BGO5IG6XO.SQUARE.jpg http://cdn.instructables.com/FS1/FQ5B/GO5IG6XO/FS1FQ5BGO5IG6XO.SMALL.jpg MrJentis Hey guys. This is a cool fan project that I did in the summer of 2008 that I called the EFPU. It was built with the main purpose of serving as a backup system for personal cooling and as a night light in the event of a power failure which happens quite frequently especially during the night. Having ...
By: MrJentis

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Sat, 31 Dec 2011 20:07:33 PST
Vacuum bug zapper! (Updated) http://www.instructables.com/id/Vacuum-bug-zapper/
Vacuum bug zapper! (Updated) - More DIY How To Projects]]> http://cdn.instructables.com/FUN/7ZU9/GUKZRLLL/FUN7ZU9GUKZRLLL.SQUARE2.jpg http://cdn.instructables.com/FUN/7ZU9/GUKZRLLL/FUN7ZU9GUKZRLLL.SQUARE.jpg http://cdn.instructables.com/FUN/7ZU9/GUKZRLLL/FUN7ZU9GUKZRLLL.SMALL.jpg Electorials Hello there, This is a little bug-zapper that works with a computer FAN and a CCFL inverter. The insects will get sucked-in and then get zapped by a 2kV arc :D It's powered by a 9V battery and is easy to use. The compact design also makes it mobile. A video of the zapper in action: Requirem...
By: Electorials

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Thu, 3 Nov 2011 08:04:54 PDT
Easy DIY Color-Changing Halloween LED Decoration Lights - Pumpkin & Accent Lighting http://www.instructables.com/id/Easy-DIY-Color-Changing-Halloween-LED-Decoration-L/
Easy DIY Color-Changing Halloween LED Decoration Lights - Pumpkin & Accent Lighting - More DIY How To Projects]]> http://cdn.instructables.com/F0Y/SF8I/GTQ7C1Q0/F0YSF8IGTQ7C1Q0.SQUARE2.jpg http://cdn.instructables.com/F0Y/SF8I/GTQ7C1Q0/F0YSF8IGTQ7C1Q0.SQUARE.jpg http://cdn.instructables.com/F0Y/SF8I/GTQ7C1Q0/F0YSF8IGTQ7C1Q0.SMALL.jpg Oznium In today's Instructable, I'm going to demonstrate a 5 minute plug & play, easy installation of Oznium's Prewired RGB Color Changing LEDs as Halloween Lights / Candle Replacements &Decorations / Accent Lighting. What's so brilliant about these LEDs? They're 100% plug and play, 12V ready, built in re...
By: Oznium

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Fri, 21 Oct 2011 00:01:30 PDT
How to build a simple, efficient, 16w 12v fluorescent inverter with AC output. http://www.instructables.com/id/How-to-build-a-simple-efficient-16w-12v-fluoresc/
How to build a simple, efficient, 16w 12v fluorescent inverter with AC output. - More DIY How To Projects]]> http://cdn.instructables.com/FB3/PKCV/GTUGNO3Y/FB3PKCVGTUGNO3Y.SQUARE2.jpg http://cdn.instructables.com/FB3/PKCV/GTUGNO3Y/FB3PKCVGTUGNO3Y.SQUARE.jpg http://cdn.instructables.com/FB3/PKCV/GTUGNO3Y/FB3PKCVGTUGNO3Y.SMALL.jpg jonathanmlang This inverter will drive any fluorescent lamp between 8w and 20w but works best with 16w tubes. It preheats the electrodes and keeps them heated while running. This inverter can be dimmed by reducing the input voltage e.g a pulse width modulator with smoothing capacitor. In this instructable I will ...
By: jonathanmlang

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Sun, 16 Oct 2011 14:38:36 PDT
Car battery tester http://www.instructables.com/id/Car-battery-tester/
Car battery tester - More DIY How To Projects]]> http://cdn.instructables.com/FXO/ZFPY/GTKFPR2M/FXOZFPYGTKFPR2M.SQUARE2.jpg http://cdn.instructables.com/FXO/ZFPY/GTKFPR2M/FXOZFPYGTKFPR2M.SQUARE.jpg http://cdn.instructables.com/FXO/ZFPY/GTKFPR2M/FXOZFPYGTKFPR2M.SMALL.jpg arnefl I seldom bother to use my car. In fact I am not sure why I have it. So of course the battery gets flat every now and then. Then I mount my spare battery and recharge the flat one. It is a pain to see to it that the one in the car does not get too flat. Therefore I made this circuit I found on the ...
By: arnefl

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Sat, 8 Oct 2011 13:04:07 PDT
LED Undercabinet / Under Desk Lighting with Dimmer and Wireless Remote http://www.instructables.com/id/LED-Undercabinet-Under-Desk-Lighting-with-Dimmer/
LED Undercabinet / Under Desk Lighting with Dimmer and Wireless Remote - More DIY How To Projects]]> http://cdn.instructables.com/FJP/PPAR/GRLTQNGY/FJPPPARGRLTQNGY.SQUARE2.jpg http://cdn.instructables.com/FJP/PPAR/GRLTQNGY/FJPPPARGRLTQNGY.SQUARE.jpg http://cdn.instructables.com/FJP/PPAR/GRLTQNGY/FJPPPARGRLTQNGY.SMALL.jpg Oznium In this tutorial, we'll be using the innovative 12V LED Wireless Dimmer & Strobe Control from Oznium, as well as a few of their LED strips to properly light up my under-cabinet / home under-desk area. Reason: It's been quite dark, desolate, and honestly borderline scary down there for quite awhile,...
By: Oznium

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Sun, 21 Aug 2011 17:05:42 PDT
Portable 12V notebook stand workstation for garage or shop http://www.instructables.com/id/Portable-12V-notebook-workstation-for-garage-or-sh/
Portable 12V notebook stand workstation for garage or shop - More DIY How To Projects]]> http://cdn.instructables.com/F16/YYLJ/GRFMV5Q4/F16YYLJGRFMV5Q4.SQUARE2.jpg http://cdn.instructables.com/F16/YYLJ/GRFMV5Q4/F16YYLJGRFMV5Q4.SQUARE.jpg http://cdn.instructables.com/F16/YYLJ/GRFMV5Q4/F16YYLJGRFMV5Q4.SMALL.jpg Royale with Cheese I spend lots of time in the garage but waste lots of time going to the house for internet searches, parts lists, how-to instructions etc.  I needed a portable laptop stand that I could roll around next to my project of the day, but the battery in the old laptop I bought for this purpose is shot and ...
By: Royale with Cheese

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Fri, 19 Aug 2011 20:46:37 PDT
12v LED lights for Car, Home, Boat...... http://www.instructables.com/id/12v-LED-lights-for-Car-Home-Boat/
12v LED lights for Car, Home, Boat...... - More DIY How To Projects]]> http://cdn.instructables.com/FOS/3QO7/GOW48XKZ/FOS3QO7GOW48XKZ.SQUARE2.jpg http://cdn.instructables.com/FOS/3QO7/GOW48XKZ/FOS3QO7GOW48XKZ.SQUARE.jpg http://cdn.instructables.com/FOS/3QO7/GOW48XKZ/FOS3QO7GOW48XKZ.SMALL.jpg nicotrial Hi this is a way to make 12v led lights that can be used on any standard 2 pin 12 volt light for example your cars lights, inside your motorhome, boat or 12v home lights(like those for your desk or to light up your paintings or photos).. these are very common so you can replace them almost anywhere...
By: nicotrial

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Sat, 18 Jun 2011 18:33:01 PDT
Improved Adjustable Voltage Power Supply http://www.instructables.com/id/Improved-Adjustable-Voltage-Power-Supply/
Improved Adjustable Voltage Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FFP/EXXH/GNBEU2WE/FFPEXXHGNBEU2WE.SQUARE2.jpg http://cdn.instructables.com/FFP/EXXH/GNBEU2WE/FFPEXXHGNBEU2WE.SQUARE.jpg http://cdn.instructables.com/FFP/EXXH/GNBEU2WE/FFPEXXHGNBEU2WE.SMALL.jpg srain1 Hi everyone,this is my first instructable. This is very useful when you are beginner in electronics technology. I'm going to make an 12V adjustable voltage.You can adjust the output voltage by the potentiometer. Minimum of 0.01mV. Maximum of around 12V. You will need: *1 pc transformer 12V outpu...
By: srain1

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Fri, 6 May 2011 09:58:53 PDT
Installing 12V Color Changing RGB Lighting http://www.instructables.com/id/Installing-12V-Color-Changing-RGB-Lighting/
Installing 12V Color Changing RGB Lighting - More DIY How To Projects]]> http://cdn.instructables.com/FX4/VZS0/GN4CZE6V/FX4VZS0GN4CZE6V.SQUARE2.jpg http://cdn.instructables.com/FX4/VZS0/GN4CZE6V/FX4VZS0GN4CZE6V.SQUARE.jpg http://cdn.instructables.com/FX4/VZS0/GN4CZE6V/FX4VZS0GN4CZE6V.SMALL.jpg Oznium After reading this LED tutorial, you'll be able to easily install Oznium's Prewired 12V Color Changing RGB LEDs.  These small 12V 5mm LEDs pack an incredible punch of light, and effortlessly cycle / fade through multiple colors without the need for an RGB Controller. Also, with polarity protection...
By: Oznium

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Fri, 29 Apr 2011 04:15:26 PDT
Super X-Box 360 PSU for 12v Power suply http://www.instructables.com/id/Super-X-Box-360-PSU-for-12v-Power-suply/
Super X-Box 360 PSU for 12v Power suply - More DIY How To Projects]]> http://cdn.instructables.com/FGC/BYO4/GMX1Y1BH/FGCBYO4GMX1Y1BH.SQUARE2.jpg http://cdn.instructables.com/FGC/BYO4/GMX1Y1BH/FGCBYO4GMX1Y1BH.SQUARE.jpg http://cdn.instructables.com/FGC/BYO4/GMX1Y1BH/FGCBYO4GMX1Y1BH.SMALL.jpg dog digger In this instructable I will show you how to modify an X-Box 360 power brick to use as a high power 12v power supply. They are cheap from a second hand store and I got mine for cheap. I got 3 of them for about $40 and If you get a similar supply from an electrical store it will cost about $80 for an ...
By: dog digger

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Tue, 26 Apr 2011 02:46:00 PDT
How to turn an X-Box 360 PSU into a 12v lab PSU http://www.instructables.com/id/How-to-turn-an-X-Box-360-PSU-into-a-12v-lab-PSU/
How to turn an X-Box 360 PSU into a 12v lab PSU - More DIY How To Projects]]> http://cdn.instructables.com/FQD/ETKI/GMJIEF18/FQDETKIGMJIEF18.SQUARE2.jpg http://cdn.instructables.com/FQD/ETKI/GMJIEF18/FQDETKIGMJIEF18.SQUARE.jpg http://cdn.instructables.com/FQD/ETKI/GMJIEF18/FQDETKIGMJIEF18.SMALL.jpg dog digger In this instructable I will show you how to turn an X-Box 360 PSU into a high ampere 12v power supply. This is simple and it only requires a few parts. In the 2nd hand store, I found and X-Box 360 PSU for $10 and I looked at the back and thought this great for a 12v Supply because it could output a...
By: dog digger

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Mon, 18 Apr 2011 03:43:16 PDT
Easy to build Headphone amplifier using Mosfets http://www.instructables.com/id/Easy-to-build-Headphone-amplifier-using-Mosfets/
Easy to build Headphone amplifier using Mosfets - More DIY How To Projects]]> http://cdn.instructables.com/FA9/H9UL/GJQEBPD0/FA9H9ULGJQEBPD0.SQUARE2.jpg http://cdn.instructables.com/FA9/H9UL/GJQEBPD0/FA9H9ULGJQEBPD0.SQUARE.jpg http://cdn.instructables.com/FA9/H9UL/GJQEBPD0/FA9H9ULGJQEBPD0.SMALL.jpg pyrohaz This instructable is about how to build a simple headphone amplifier using easy to obtain components :) The amplifier is based around a standard N-Channel Mosfet (IRF740 in my case) and is quick and easy to build with quite acceptable results. I scavenged the heatsink for this off the voltage regul...
By: pyrohaz

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Sun, 20 Feb 2011 09:34:42 PST
Mod your stereo amp with PC fans http://www.instructables.com/id/Mod-your-stereo-amp-with-PC-fans/
Mod your stereo amp with PC fans - More DIY How To Projects]]> http://cdn.instructables.com/FB6/1RGM/GJHV8DCX/FB61RGMGJHV8DCX.SQUARE2.jpg http://cdn.instructables.com/FB6/1RGM/GJHV8DCX/FB61RGMGJHV8DCX.SQUARE.jpg http://cdn.instructables.com/FB6/1RGM/GJHV8DCX/FB61RGMGJHV8DCX.SMALL.jpg tensioncore Alright so I wanted to do this Instructable because I use my Technics SU-600 for a lot of heavy-duty stereo usage and I was planning to Mod it with fans to cool it down, but I didn't intend on making it this awesome. So when I got all my parts I remembered that I had an instructables account but not...
By: tensioncore

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Mon, 31 Jan 2011 14:36:36 PST
12V Supply for Portable Soldering Station http://www.instructables.com/id/12V-Supply-for-Portable-Soldering-Station/ http://cdn.instructables.com/FGR/ODLO/GHFJXJFE/FGRODLOGHFJXJFE.SQUARE2.jpg http://cdn.instructables.com/FGR/ODLO/GHFJXJFE/FGRODLOGHFJXJFE.SQUARE.jpg http://cdn.instructables.com/FGR/ODLO/GHFJXJFE/FGRODLOGHFJXJFE.SMALL.jpg legwinskij Hi here's my first video instructable i hope you'll like for more infro please visit  http://legwinskij.blogspot.com/2010/12/tutorial-make-your-own-12v-portable.html
By: legwinskij

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Mon, 13 Dec 2010 13:42:56 PST
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
4AA Battery Powered 12V LED Spotlight - 12V Power Supply http://www.instructables.com/id/4AA-Battery-powered-12V-LED-Spotlight-12V-Power-/
4AA Battery Powered 12V LED Spotlight - 12V Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/F58/SL25/GCI8JXUF/F58SL25GCI8JXUF.SQUARE2.jpg http://cdn.instructables.com/F58/SL25/GCI8JXUF/F58SL25GCI8JXUF.SQUARE.jpg http://cdn.instructables.com/F58/SL25/GCI8JXUF/F58SL25GCI8JXUF.SMALL.jpg dilisi Most of the electronic projects and electronic devices are required 12V power source; typically a 12V sealed lead acid battery or AC powered power supply. These are typically large, heavy, difficult to handle, and expensive; portability is less. The best solution is to use a DC-DC Step up converter....
By: dilisi

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Thu, 5 Aug 2010 12:44:38 PDT
USB to 12v Molex external adapter/converter http://www.instructables.com/id/USB-to-12v-Molex-external-adapterconverter/
USB to 12v Molex external adapter/converter - More DIY How To Projects]]> http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif MaruaderFox Stuff you need Wires, cables and cutting Solder on Soldier Your done
By: MaruaderFox

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Sun, 20 Jun 2010 03:40:16 PDT
12v to USB adapter \ 12v to 5v transformer (great for cars) http://www.instructables.com/id/12v-to-USB-adapter-12v-to-5v-transformer-great-/
12v to USB adapter \ 12v to 5v transformer (great for cars) - More DIY How To Projects]]> http://cdn.instructables.com/FOF/LS8N/G69MVF8R/FOFLS8NG69MVF8R.SQUARE2.jpg http://cdn.instructables.com/FOF/LS8N/G69MVF8R/FOFLS8NG69MVF8R.SQUARE.jpg http://cdn.instructables.com/FOF/LS8N/G69MVF8R/FOFLS8NG69MVF8R.SMALL.jpg julienrl This will show you how to make a 12v to USB (5v) adapter. The most obvious use of this is for 12v car adapters, but anywhere you have 12v you can use it! If you need 5v for anything other than USB, simply skip the steps about adding the USB ports ;) You will need a fuse holder a 0.5 amp fa...
By: julienrl

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Sat, 6 Mar 2010 20:35:12 PST
LED halogen light converson using 12v 12x LED discs http://www.instructables.com/id/LED-halogen-light-converson-using-12v-12x-LED-disc/
LED halogen light converson using 12v 12x LED discs - More DIY How To Projects]]> http://cdn.instructables.com/FM8/XPSF/G43EBRWT/FM8XPSFG43EBRWT.SQUARE2.jpg http://cdn.instructables.com/FM8/XPSF/G43EBRWT/FM8XPSFG43EBRWT.SQUARE.jpg http://cdn.instructables.com/FM8/XPSF/G43EBRWT/FM8XPSFG43EBRWT.SMALL.jpg howgoodisit Here is an easy way you can convert your halogen lights to LED lights. These are great to use in motorhomes/caravans or any 12v DC system you have, solar, wind or hydro... or even just using them in your car. These LED discs I have here run on 12-16v DC and do not need any resistors. If you have a ...
By: howgoodisit

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Sun, 10 Jan 2010 20:34:23 PST
LED CD Light using 8x 10mm or 5mm warm white leds http://www.instructables.com/id/LED-CD-Light-using-8x-10mm-or-5mm-warm-white-leds/
LED CD Light using 8x 10mm or 5mm warm white leds - More DIY How To Projects]]> http://cdn.instructables.com/F20/NQOG/G43EBFEW/F20NQOGG43EBFEW.SQUARE2.jpg http://cdn.instructables.com/F20/NQOG/G43EBFEW/F20NQOGG43EBFEW.SQUARE.jpg http://cdn.instructables.com/F20/NQOG/G43EBFEW/F20NQOGG43EBFEW.SMALL.jpg howgoodisit Going green is a big thing for me...along with recycling. With this project you will be recycling unwanted CDs and lowering your power consumption. I run these off my solar set up and have now been off the power grid for 4 months. I have a lot of different LED projects and will slowly be sharing ...
By: howgoodisit

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Wed, 6 Jan 2010 20:11:02 PST
Simplest Ever DC-DC Boost 12v to 73v http://www.instructables.com/id/Simplest-Ever-DC-DC-Boost-12v-to-73v/
Simplest Ever DC-DC Boost 12v to 73v - More DIY How To Projects]]> http://cdn.instructables.com/FDQ/R0WT/G29ZFYXV/FDQR0WTG29ZFYXV.SQUARE2.jpg http://cdn.instructables.com/FDQ/R0WT/G29ZFYXV/FDQR0WTG29ZFYXV.SQUARE.jpg http://cdn.instructables.com/FDQ/R0WT/G29ZFYXV/FDQR0WTG29ZFYXV.SMALL.jpg pyrohaz A simple DC-DC boost converter:- 12-18v in = ~73v+ out- Uses only 2 transistors, no IC's- Can be made out of one CFL light bulb- Uses fully discreet components- 17.2kHz switching frequencyOutput is only low current but could probably be used to power a small triode preamp stage (Very high impedance)...
By: pyrohaz

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Wed, 25 Nov 2009 07:25:27 PST
Turn Your 12V DC or 85-265V AC Fluorescent Light To LED - Part 2 (External Appearance) http://www.instructables.com/id/Turn-Your-12V-DC-or-85-265V-AC-Fluorescent-Light-T-1/
Turn Your 12V DC or 85-265V AC Fluorescent Light To LED - Part 2 (External Appearance) - More DIY How To Projects]]> http://cdn.instructables.com/F36/NC3K/FZHLAQ4G/F36NC3KFZHLAQ4G.SQUARE2.jpg http://cdn.instructables.com/F36/NC3K/FZHLAQ4G/F36NC3KFZHLAQ4G.SQUARE.jpg http://cdn.instructables.com/F36/NC3K/FZHLAQ4G/F36NC3KFZHLAQ4G.SMALL.jpg MRedmon This is Part 2 of my instructions for taking a fluorescent light fixture, converting it to LED, and making it more visually appealing. In Part 1 I went over the internal details of installing the LEDs and getting them hooked up. In this part, I will go over constructing a box out of bamboo to surr...
By: MRedmon

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Sun, 13 Sep 2009 22:03:16 PDT
Emergency Power Supply http://www.instructables.com/id/Emergency-Power-Supply/
Emergency Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FU5/6O54/FZ8J431H/FU56O54FZ8J431H.SQUARE2.jpg http://cdn.instructables.com/FU5/6O54/FZ8J431H/FU56O54FZ8J431H.SQUARE.jpg http://cdn.instructables.com/FU5/6O54/FZ8J431H/FU56O54FZ8J431H.SMALL.jpg PCfreak ok this is my first instructible so bear with me , i made this on such short notice because i needed a Power source to use on camping trips so i hope the time i spent on it helps somebody since i didnt have a box t put it in so I used Electrical tape plus i also can use it when the power goes out i...
By: PCfreak

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Wed, 19 Aug 2009 20:28:20 PDT
Turn Your 12V DC or 85-265V AC Fluorescent Light To LED - Part 1 (Internals) http://www.instructables.com/id/Turn-Your-12V-DC-or-85-265V-AC-Fluorescent-Light-T/
Turn Your 12V DC or 85-265V AC Fluorescent Light To LED - Part 1 (Internals) - More DIY How To Projects]]> http://cdn.instructables.com/FZU/TIXA/FYGJNWWR/FZUTIXAFYGJNWWR.SQUARE2.jpg http://cdn.instructables.com/FZU/TIXA/FYGJNWWR/FZUTIXAFYGJNWWR.SQUARE.jpg http://cdn.instructables.com/FZU/TIXA/FYGJNWWR/FZUTIXAFYGJNWWR.SMALL.jpg MRedmon One of my 12V fluorescent light ballasts in my RV burned out. I decided to replace it with LEDs using 6 cheap LEDs, a couple LED drivers, and using http://www.instructables.com/id/Replace-Low-Voltage-Bi-Pin-Halogens-with-LEDs/ as a guide. The parts were all purchased from DealExtreme.This is Part...
By: MRedmon

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Sun, 16 Aug 2009 22:02:50 PDT
USB Power from Hirose http://www.instructables.com/id/USB-Power-from-the-industry-standard-HIROSE-4pin-/
USB Power from Hirose - More DIY How To Projects]]> http://cdn.instructables.com/F99/9X4M/FWMNUGOG/F999X4MFWMNUGOG.SQUARE2.jpg http://cdn.instructables.com/F99/9X4M/FWMNUGOG/F999X4MFWMNUGOG.SQUARE.jpg http://cdn.instructables.com/F99/9X4M/FWMNUGOG/F999X4MFWMNUGOG.SMALL.jpg gothamsound The purpose of the box is to be able to charge/power small audio recorders such as the M-Audio MicroTrack II used for transcription in ENG bags using NP-type batteries and all HIROSE 4-pin compatible connectors. We envision being used with ENG Power distribution systems such as the Remote Audio B...
By: gothamsound

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Mon, 6 Jul 2009 11:25:26 PDT
DIY Coin Cell Holder http://www.instructables.com/id/DIY-Coin-Cell-Holder/
DIY Coin Cell Holder - More DIY How To Projects]]> http://cdn.instructables.com/FHQ/63VO/FW39JKPV/FHQ63VOFW39JKPV.SQUARE2.jpg http://cdn.instructables.com/FHQ/63VO/FW39JKPV/FHQ63VOFW39JKPV.SQUARE.jpg http://cdn.instructables.com/FHQ/63VO/FW39JKPV/FHQ63VOFW39JKPV.SMALL.jpg pdub77 Ever need something to hold some small batteries for a project you're working on? Here's how I modified an N type battery holder to accommodate a few of those coin cell batteries.Ingredients:N type battery holdercoin cell batteriesTools:sharp wire cutterssuper glueclamp With A Little Help From My...
By: pdub77

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Thu, 18 Jun 2009 20:53:43 PDT
Computer for RE Systems (Part 2 of 2) (Software) http://www.instructables.com/id/Computer-for-RE-Systems-Part-2-of-2-Software/
Computer for RE Systems (Part 2 of 2) (Software) - More DIY How To Projects]]> http://cdn.instructables.com/FZH/5S4F/FVW24XWH/FZH5S4FFVW24XWH.SQUARE2.jpg http://cdn.instructables.com/FZH/5S4F/FVW24XWH/FZH5S4FFVW24XWH.SQUARE.jpg http://cdn.instructables.com/FZH/5S4F/FVW24XWH/FZH5S4FFVW24XWH.SMALL.jpg scob89 In the first part of this Instructable Located here http://www.instructables.com/id/Computer-for-RE-Systems-Part-1-of-2-Hardware/ , I added all of the hardware that I wanted to get a good desktop system.Now for the software, but before the software, we have to add yet more Hardware.We need to attach...
By: scob89

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Thu, 18 Jun 2009 00:24:36 PDT
Computer for RE Systems (Part 1 of 2) (Hardware) http://www.instructables.com/id/Computer-for-RE-Systems-Part-1-of-2-Hardware/
Computer for RE Systems (Part 1 of 2) (Hardware) - More DIY How To Projects]]> http://cdn.instructables.com/FZH/5S4F/FVW24XWH/FZH5S4FFVW24XWH.SQUARE2.jpg http://cdn.instructables.com/FZH/5S4F/FVW24XWH/FZH5S4FFVW24XWH.SQUARE.jpg http://cdn.instructables.com/FZH/5S4F/FVW24XWH/FZH5S4FFVW24XWH.SMALL.jpg scob89 Here I will show you how I made a fully working Mini Desktop computer for small Renewable Energy systems.The RE system that I plan to be using will be primarily a 12 Volt system with 6 or 8 Golf Cart batteries, and I will have a 700 watt power inverter to power the lights and such, but I need a comp...
By: scob89

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Wed, 17 Jun 2009 20:19:28 PDT