Instructables: exploring - technology - electronics - popular http://www.instructables.com Wed, 30 Jul 2014 12:17:37 PDT BLOX v1.01 Universal Portable USB Charger http://www.instructables.com/id/Universal-Portable-USB-Charger/
Universal Portable USB Charger - More DIY How To Projects]]> http://cdn.instructables.com/FAQ/9YAK/HY4KS7D8/FAQ9YAKHY4KS7D8.SQUARE2.jpg http://cdn.instructables.com/FAQ/9YAK/HY4KS7D8/FAQ9YAKHY4KS7D8.SQUARE.jpg http://cdn.instructables.com/FAQ/9YAK/HY4KS7D8/FAQ9YAKHY4KS7D8.SMALL.jpg 3zuli Hello! In this Instructable I will show you how I built myself a universal portable USB charger. I am soon attending a weekend festival with camping and I realized that my crappy chinese "10000mAh" USB power pack won't last that long. I have my phone (Galaxy S4), a GoPro and my friends will also wan...
By: 3zuli

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Mon, 28 Jul 2014 09:52:59 PDT
Repairing PCB Laminate http://www.instructables.com/id/Repairing-PCB-Laminate/
Repairing PCB Laminate - More DIY How To Projects]]> http://cdn.instructables.com/FJI/XU7Z/HU1JUTHE/FJIXU7ZHU1JUTHE.SQUARE2.jpg http://cdn.instructables.com/FJI/XU7Z/HU1JUTHE/FJIXU7ZHU1JUTHE.SQUARE.jpg http://cdn.instructables.com/FJI/XU7Z/HU1JUTHE/FJIXU7ZHU1JUTHE.SMALL.jpg bwetman This how to will show you how to repair damaged laminate when you slipped and accidentally damaged the board during rework, an area of the board has been overheated or the board has been dropped. You can either find a service provider to perform this work or buy a complete kit and "do it yourself"...
By: bwetman

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Tue, 15 Apr 2014 14:15:19 PDT
Venus Fly Trap http://www.instructables.com/id/Venus-Fly-Trap/
Venus Fly Trap - More DIY How To Projects]]> http://cdn.instructables.com/FRV/3D56/HY12Q42O/FRV3D56HY12Q42O.SQUARE2.jpg http://cdn.instructables.com/FRV/3D56/HY12Q42O/FRV3D56HY12Q42O.SQUARE.jpg http://cdn.instructables.com/FRV/3D56/HY12Q42O/FRV3D56HY12Q42O.SMALL.jpg TechKiwi This cool little device was designed to behave like a real Venus Fly Trap. This very unique project is a lot of fun to make and play around with and it actually works!! Check out the video clip and see how it operates.UPDATE: Ive just entered my instructable in the Home Technology Contest, if you li...
By: TechKiwi

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Sat, 26 Jul 2014 20:43:45 PDT
Ultimate desk management, with control pannel http://www.instructables.com/id/Ultimate-desk-cable-management-with-control-center/
Ultimate desk management, with control pannel - More DIY How To Projects]]> http://cdn.instructables.com/FYG/ONME/HY12ECAF/FYGONMEHY12ECAF.SQUARE2.jpg http://cdn.instructables.com/FYG/ONME/HY12ECAF/FYGONMEHY12ECAF.SQUARE.jpg http://cdn.instructables.com/FYG/ONME/HY12ECAF/FYGONMEHY12ECAF.SMALL.jpg Saral Tayal As I have a keen interest in making, I have to have the tools to do so; such as hot glue gun, soldering iron, dremel (rotary-tool), an electronic sander, a diy desk light(insrtuctable here), and more. as you can imagine, some people will encounter the same problem as me, lots, and lots, of wires. Th...
By: Saral Tayal

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Fri, 25 Jul 2014 09:23:05 PDT
Graphene Supercapacitor Based Battery. Charges In Seconds... http://www.instructables.com/id/Graphene-Supercapacitor-Based-Battery-Charges-In-S/
Graphene Supercapacitor Based Battery. Charges In Seconds... - More DIY How To Projects]]> http://cdn.instructables.com/FB3/BHFI/HY12K5UG/FB3BHFIHY12K5UG.SQUARE2.jpg http://cdn.instructables.com/FB3/BHFI/HY12K5UG/FB3BHFIHY12K5UG.SQUARE.jpg http://cdn.instructables.com/FB3/BHFI/HY12K5UG/FB3BHFIHY12K5UG.SMALL.jpg swest18 I've put this info up before but I hadn't revealed to anyone that it was a graphene super capacitor. After much trial and error, I figured out an excellent way to make graphene in quantities I could use to put on a film and them have rolled into a capacitor. I paid a good deal of money to have a man...
By: swest18

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Fri, 25 Jul 2014 15:17:39 PDT
Simple Led driver/Constant-current source 20 mA http://www.instructables.com/id/Simple-Led-driverConstant-current-source-20-mA/
Simple Led driver/Constant-current source 20 mA - More DIY How To Projects]]> http://cdn.instructables.com/F9K/EIFW/HNVJ1K1X/F9KEIFWHNVJ1K1X.SQUARE2.jpg http://cdn.instructables.com/F9K/EIFW/HNVJ1K1X/F9KEIFWHNVJ1K1X.SQUARE.jpg http://cdn.instructables.com/F9K/EIFW/HNVJ1K1X/F9KEIFWHNVJ1K1X.SMALL.jpg Jan_Henrik Hello, in this project i want to show you how to make a constant-current source which gives 20mA at the output. Its also known as LEd driver, because many leds need 20 mA to light up. The input of the constant-current source can be between 5V and 15V DC, what is realy usefull for variable voltage so...
By: Jan_Henrik

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Tue, 12 Nov 2013 10:15:25 PST
How to Run Sensor Cables Through USB Cables http://www.instructables.com/id/How-to-Run-Sensor-Cables-Through-USB-Cables/
How to Run Sensor Cables Through USB Cables - More DIY How To Projects]]> http://cdn.instructables.com/F4F/E1Q5/HXXDA44X/F4FE1Q5HXXDA44X.SQUARE2.jpg http://cdn.instructables.com/F4F/E1Q5/HXXDA44X/F4FE1Q5HXXDA44X.SQUARE.jpg http://cdn.instructables.com/F4F/E1Q5/HXXDA44X/F4FE1Q5HXXDA44X.SMALL.jpg phidgetsinc You might have noticed that Phidgets sensor cables (and other sorts of electrical cabling) don’t always come in a convenient round shape, which you sometimes need. A relatively easy solution is to grab a length of USB cable and solder the sensor cable wires onto the USB wires, and here are some easy...
By: phidgetsinc

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Tue, 22 Jul 2014 08:59:31 PDT
Stay cool this summer: PC Fan Mod http://www.instructables.com/id/Stay-cool-this-summer-PC-Fan-Mod/
Stay cool this summer: PC Fan Mod - More DIY How To Projects]]> http://cdn.instructables.com/FH2/63FJ/HXYCJMMC/FH263FJHXYCJMMC.SQUARE2.jpg http://cdn.instructables.com/FH2/63FJ/HXYCJMMC/FH263FJHXYCJMMC.SQUARE.jpg http://cdn.instructables.com/FH2/63FJ/HXYCJMMC/FH263FJHXYCJMMC.SMALL.jpg GreatScottLab Who does not have a dozen of those PC Fans laying around? In this build I will show you how to use those fans to produce a nice adjustable breeze during hot summer days. And it runs at least 4 hours with an ordinary 9V battery. Watch the video! The video gives you a pretty nice overview on how t...
By: GreatScottLab

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Wed, 23 Jul 2014 02:20:18 PDT
Conductive Paint http://www.instructables.com/id/Conductive-Paint/
Conductive Paint - More DIY How To Projects]]> http://cdn.instructables.com/FBB/4QL8/HXXBFTXO/FBB4QL8HXXBFTXO.SQUARE2.jpg http://cdn.instructables.com/FBB/4QL8/HXXBFTXO/FBB4QL8HXXBFTXO.SQUARE.jpg http://cdn.instructables.com/FBB/4QL8/HXXBFTXO/FBB4QL8HXXBFTXO.SMALL.gif 24Eng The goal of this experiment was to try to find an alternative to commercially available conductive paint. It is incredible stuff but expensive. I've read other Instructables like Makerboat's $1 Conductive Ink and IceCats' Paper Electronics. They helped me arrive at my own recipe, which uses only two...
By: 24Eng

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Tue, 22 Jul 2014 07:50:18 PDT
Op-amp Basics (part 2) http://www.instructables.com/id/Op-amp-Basics-part-2/
Op-amp Basics (part 2) - More DIY How To Projects]]> http://cdn.instructables.com/FBL/HAOY/HXHR6V12/FBLHAOYHXHR6V12.SQUARE2.jpg http://cdn.instructables.com/FBL/HAOY/HXHR6V12/FBLHAOYHXHR6V12.SQUARE.jpg http://cdn.instructables.com/FBL/HAOY/HXHR6V12/FBLHAOYHXHR6V12.SMALL.jpg brmarcum Op-amps are everywhere, in everything, and can do almost anything. Ok, maybe not quite, but they are one of the most widely used ICs out there, with a huge selection of options to choose from. In Part 1, I gave a little bit of history and theory, and then explained several circuits, like amplifiers,...
By: brmarcum

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Fri, 18 Jul 2014 11:51:01 PDT
Scavenging Parts From Old PC Boards... http://www.instructables.com/id/Scavenging-Parts-From-Old-PC-Boards/
Scavenging Parts From Old PC Boards... - More DIY How To Projects]]> http://cdn.instructables.com/F32/PCP2/HXTKJ9E9/F32PCP2HXTKJ9E9.SQUARE2.jpg http://cdn.instructables.com/F32/PCP2/HXTKJ9E9/F32PCP2HXTKJ9E9.SQUARE.jpg http://cdn.instructables.com/F32/PCP2/HXTKJ9E9/F32PCP2HXTKJ9E9.SMALL.jpg mk484 Hello there - this Instructable is a little different from the others I've done so far - it builds nothing, yet destroys everything - or almost everything... it's all about scavenging parts from old 'train wreck' appliances and other interesting gadgets. (Maybe there's a website somewhere called 'De...
By: mk484

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Sat, 19 Jul 2014 18:47:26 PDT
littleBits Grappler: the robotic space arm http://www.instructables.com/id/littleBits-Grappler-the-robotic-space-arm/
littleBits Grappler: the robotic space arm - More DIY How To Projects]]> http://cdn.instructables.com/F98/RM63/HUX9Z02I/F98RM63HUX9Z02I.SQUARE2.jpg http://cdn.instructables.com/F98/RM63/HUX9Z02I/F98RM63HUX9Z02I.SQUARE.jpg http://cdn.instructables.com/F98/RM63/HUX9Z02I/F98RM63HUX9Z02I.SMALL.jpg littleBits A grappler is on the end of the ISS Robot Arm and is used to grab onto objects in space – like astronauts! We created a working replica using an acrylic tube, a desk lamp and modules from the littleBits Space Kit.Use the grappler at home to pick up "space" objects with the help of a household remote...
By: littleBits

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Tue, 3 Jun 2014 06:30:41 PDT
Tic Tac Test Box... a Simple Audio Signal Injector! http://www.instructables.com/id/Tic-Tac-Test-Box-a-Simple-Audio-Signal-Injector/
Tic Tac Test Box... a Simple Audio Signal Injector! - More DIY How To Projects]]> http://cdn.instructables.com/FAA/V9DF/HXMKUC7B/FAAV9DFHXMKUC7B.SQUARE2.jpg http://cdn.instructables.com/FAA/V9DF/HXMKUC7B/FAAV9DFHXMKUC7B.SQUARE.jpg http://cdn.instructables.com/FAA/V9DF/HXMKUC7B/FAAV9DFHXMKUC7B.SMALL.jpg mk484 Well folks - here we are again! And here's the next step in building the Nic Nac Tic Tac series of projects. The reason this 'Test Box' is necessary, is that if you build a project, and it doesn't work (for example - you built the radio, and then the amplifier, but can't get any sound in your earpho...
By: mk484

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Wed, 16 Jul 2014 08:18:20 PDT
MaKey MaKey experimenting / Experimenteer met de MaKey MaKey http://www.instructables.com/id/MaKey-MaKey-experimenting-Experimenteer-met-de-MaK/
MaKey MaKey experimenting / Experimenteer met de MaKey MaKey - More DIY How To Projects]]> http://cdn.instructables.com/FQL/SJ6U/HXMURXNG/FQLSJ6UHXMURXNG.SQUARE2.jpg http://cdn.instructables.com/FQL/SJ6U/HXMURXNG/FQLSJ6UHXMURXNG.SQUARE.jpg http://cdn.instructables.com/FQL/SJ6U/HXMURXNG/FQLSJ6UHXMURXNG.SMALL.jpg FabSchool De MaKey MaKey is een handig hulpmiddel voor electronica-experimenten. Verander bijvoorbeeld alledaagse objecten in een toetsenbord of muis. Een MaKey MaKey koop je als pakketje en bevat naast de MaKey MaKey zelf een USB-kabel en krokodillenklemmetjes om objecten met je computer te verbinden. Zo kun...
By: FabSchool

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Tue, 15 Jul 2014 06:24:22 PDT
Op-amp Basics (part 1) http://www.instructables.com/id/Op-amp-Basics/
Op-amp Basics (part 1) - More DIY How To Projects]]> http://cdn.instructables.com/FGQ/EPGA/HXHR6XQG/FGQEPGAHXHR6XQG.SQUARE2.jpg http://cdn.instructables.com/FGQ/EPGA/HXHR6XQG/FGQEPGAHXHR6XQG.SQUARE.jpg http://cdn.instructables.com/FGQ/EPGA/HXHR6XQG/FGQEPGAHXHR6XQG.SMALL.jpg brmarcum Operational amplifiers (op-amps) are some of the most important, widely used, and versatile circuits in use today. The first op-amp used vacuum tubes and was released in 1941 by Bell Labs. The ubiquitous ua741 was released in 1968 and is considered by many to be the standard upon which others are ba...
By: brmarcum

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Fri, 11 Jul 2014 12:46:39 PDT
12V-180kV: A Battery Powered Marx Generator (and introduction to electronics) http://www.instructables.com/id/12V-180kV-A-Battery-Powered-Marx-Generator-and-int/
12V-180kV: A Battery Powered Marx Generator (and introduction to electronics) - More DIY How To Projects]]> http://cdn.instructables.com/FHA/UEOT/HXLD3M7G/FHAUEOTHXLD3M7G.SQUARE2.jpg http://cdn.instructables.com/FHA/UEOT/HXLD3M7G/FHAUEOTHXLD3M7G.SQUARE.jpg http://cdn.instructables.com/FHA/UEOT/HXLD3M7G/FHAUEOTHXLD3M7G.SMALL.jpg supercapacitor If you're reading this Instructable, one thing is probably true: you're interested in high voltage! If so, you've come to the right place; Marx Generators can satisfy your thirst for sparks, bangs, and thrill. I made this Marx Generator several years ago, but it went out of commission after some exp...
By: supercapacitor

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Mon, 14 Jul 2014 02:46:17 PDT
Remote Control Cat Harness http://www.instructables.com/id/Remote-Control-Cat-Harness/
Remote Control Cat Harness - More DIY How To Projects]]> http://cdn.instructables.com/FYO/4ZNY/HXLD5UNC/FYO4ZNYHXLD5UNC.SQUARE2.jpg http://cdn.instructables.com/FYO/4ZNY/HXLD5UNC/FYO4ZNYHXLD5UNC.SQUARE.jpg http://cdn.instructables.com/FYO/4ZNY/HXLD5UNC/FYO4ZNYHXLD5UNC.SMALL.jpg Aleator777 Yes, you read the title correctly. Don't worry, no cats were harmed in the making of this project. Cats are fun in their own right, but this is 2014! Isn't it about time we brought cats into the modern era? And by bring into the modern era, I mean combine with lasers. In this Instructable I'll show ...
By: Aleator777

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Mon, 14 Jul 2014 09:36:29 PDT
BLU - A wearable sensor/status bracelet http://www.instructables.com/id/BLU-A-wearable-sensorstatus-bracelet/
BLU - A wearable sensor/status bracelet - More DIY How To Projects]]> http://cdn.instructables.com/F8G/STNU/HXII5AJT/F8GSTNUHXII5AJT.SQUARE2.jpg http://cdn.instructables.com/F8G/STNU/HXII5AJT/F8GSTNUHXII5AJT.SQUARE.jpg http://cdn.instructables.com/F8G/STNU/HXII5AJT/F8GSTNUHXII5AJT.SMALL.jpg Moussaillette This project was undertaken as I was applying for Intel's "Make it Wearable" contest (https://makeit.intel.com/).Trailer of that contest: ----------------------------------Although I did not win I decided to try to build my idea. While the idea is not so simple here it is summarized [also see video]...
By: Moussaillette

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Sun, 13 Jul 2014 15:55:29 PDT
The Ultimate FM Transmitter (Long Range Spybug) http://www.instructables.com/id/The-Ultimate-FM-Transmitter/
The Ultimate FM Transmitter (Long Range Spybug) - More DIY How To Projects]]> http://cdn.instructables.com/FAC/0PKQ/HXYG860M/FAC0PKQHXYG860M.SQUARE2.jpg http://cdn.instructables.com/FAC/0PKQ/HXYG860M/FAC0PKQHXYG860M.SQUARE.jpg http://cdn.instructables.com/FAC/0PKQ/HXYG860M/FAC0PKQHXYG860M.SMALL.jpg ASCAS Have you ever wanted to broadcast your own radio station within your neighborhood? Ever get curious on where people get those "Surveillance Bugs" from spy and action movies? This small and simple FM transmitter is the toy that geeks have always wanted.FM transmitters can be complicated to build, tha...
By: ASCAS

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Sun, 13 Jul 2014 10:44:05 PDT
Use Old VHS Cases To Hide Unsightly Electronics http://www.instructables.com/id/Use-Old-VHS-Cases-To-Hide-Unsightly-Electronics/
Use Old VHS Cases To Hide Unsightly Electronics - More DIY How To Projects]]> http://cdn.instructables.com/F5T/YE4J/HXHRBZB3/F5TYE4JHXHRBZB3.SQUARE2.jpg http://cdn.instructables.com/F5T/YE4J/HXHRBZB3/F5TYE4JHXHRBZB3.SQUARE.jpg http://cdn.instructables.com/F5T/YE4J/HXHRBZB3/F5TYE4JHXHRBZB3.SMALL.jpg dennislira I'm sure there are many, like me, who have a number of devices (routers, receivers, etc.) sitting under our televisions. The continuous blinking lights can become very distracting and the devices themselves aren't very attractive. The solution I found was to re-purpose a number of old VHS tapes (act...
By: dennislira

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Sat, 12 Jul 2014 16:51:38 PDT
Inductance/Capacitance Meter Saga http://www.instructables.com/id/InductanceCapacitance-Meter-Saga/
Inductance/Capacitance Meter Saga - More DIY How To Projects]]> http://cdn.instructables.com/FIX/UDKH/HXHR05XK/FIXUDKHHXHR05XK.SQUARE2.jpg http://cdn.instructables.com/FIX/UDKH/HXHR05XK/FIXUDKHHXHR05XK.SQUARE.jpg http://cdn.instructables.com/FIX/UDKH/HXHR05XK/FIXUDKHHXHR05XK.SMALL.jpg BasinStreetDesign I had a bunch of random inductors in some random drawers and I wanted to know what values they were. These values are quite often not obvious by looking at the device. Colour codes for old ones were not standardized and some of the coloured rings on inductors can be faded or discoloured so that it...
By: BasinStreetDesign

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Fri, 11 Jul 2014 13:01:24 PDT
$1 DIY Conductive Ink and Paint from Fire! (non toxic, homemade, cheap) http://www.instructables.com/id/1-DIY-Conductive-Ink/
$1 DIY Conductive Ink and Paint from Fire! (non toxic, homemade, cheap) - More DIY How To Projects]]> http://cdn.instructables.com/FM1/YFZ0/HXG6TTHG/FM1YFZ0HXG6TTHG.SQUARE2.jpg http://cdn.instructables.com/FM1/YFZ0/HXG6TTHG/FM1YFZ0HXG6TTHG.SQUARE.jpg http://cdn.instructables.com/FM1/YFZ0/HXG6TTHG/FM1YFZ0HXG6TTHG.SMALL.jpg makerboat Turn fire into electronic conductive ink, build electronic circuits, create paper musical instruments and inputs for your Arduino board!Today you will learn how to make your own conductive ink to draw electronic circuits using the leftovers from your fireplace or BBQ! You can use this ink to draw ci...
By: makerboat

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Fri, 11 Jul 2014 09:25:06 PDT
White Glue Release Agent for PCB Toner Transfer http://www.instructables.com/id/White-Glue-Release-Agent-for-PCB-Toner-Transfer-Me/
White Glue Release Agent for PCB Toner Transfer - More DIY How To Projects]]> http://cdn.instructables.com/FX0/78WT/HX7PAFJN/FX078WTHX7PAFJN.SQUARE2.jpg http://cdn.instructables.com/FX0/78WT/HX7PAFJN/FX078WTHX7PAFJN.SQUARE.jpg http://cdn.instructables.com/FX0/78WT/HX7PAFJN/FX078WTHX7PAFJN.SMALL.jpg MrJohnHSmith After spending two and a half months of concerted effort trying various methods of transferring artwork to a copper clad board; I have recently discovered a simple, low skill method of doing so. The result is a transfer which looks like an art project, and is so simple that I simply must share.Here ...
By: MrJohnHSmith

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Sun, 6 Jul 2014 20:31:13 PDT
Improve Korg Volca Beats with Individual-Out Mod http://www.instructables.com/id/Improve-Korg-Volca-Beats-with-Individual-Out-Mod/
Improve Korg Volca Beats with Individual-Out Mod - More DIY How To Projects]]> http://cdn.instructables.com/FTI/KPGL/HX1WIEGH/FTIKPGLHX1WIEGH.SQUARE2.jpg http://cdn.instructables.com/FTI/KPGL/HX1WIEGH/FTIKPGLHX1WIEGH.SQUARE.jpg http://cdn.instructables.com/FTI/KPGL/HX1WIEGH/FTIKPGLHX1WIEGH.SMALL.jpg ArvidJense WARNING, PERFORMING THIS MOD WILL VOID THE WARRANTY OF YOUR VOLCA BEATS AND MIGHT POTENTIALLY DAMAGE IT, SO PROCEED AT YOUR OWN RISK!The Korg Volca Beats is a really cool affordable analog drum machine, but having all the instruments summed into one output is a serious limitation. Luckily, Korg made...
By: ArvidJense

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Tue, 1 Jul 2014 12:57:43 PDT
Hand-crank iPhone charger http://www.instructables.com/id/Hand-crank-iPhone-charger/
Hand-crank iPhone charger - More DIY How To Projects]]> http://cdn.instructables.com/F3C/A6JD/HX1WB63Q/F3CA6JDHX1WB63Q.SQUARE2.jpg http://cdn.instructables.com/F3C/A6JD/HX1WB63Q/F3CA6JDHX1WB63Q.SQUARE.jpg http://cdn.instructables.com/F3C/A6JD/HX1WB63Q/F3CA6JDHX1WB63Q.SMALL.jpg supercapacitor I had always wanted to make something that converted mechanical to electrical power. So when I salvaged a high-torque motor from a broken microwave, I knew exactly what I was going to do with it.This Instructable details the making of a hand-crank iPhone charger, a charger that operates solely on me...
By: supercapacitor

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Mon, 30 Jun 2014 20:55:21 PDT
Designer Electronics Gadgets http://www.instructables.com/id/Designer-Electronics-Gadgets/
Designer Electronics Gadgets - More DIY How To Projects]]> http://cdn.instructables.com/FH4/R2J1/HX1W6ANB/FH4R2J1HX1W6ANB.SQUARE2.jpg http://cdn.instructables.com/FH4/R2J1/HX1W6ANB/FH4R2J1HX1W6ANB.SQUARE.jpg http://cdn.instructables.com/FH4/R2J1/HX1W6ANB/FH4R2J1HX1W6ANB.SMALL.jpg crishrx This is my designer electronics gadget project using used mobiles and laptops. The gadget like MP3 player, Amplifier, Sound Boxes, Audio Pin Junction, Pen Drive, Pen Torch, designed using laptop keys and aluminum sheets. The car mp3 player is converted into portable mp3 player with charging option ...
By: crishrx

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Mon, 30 Jun 2014 09:15:59 PDT
Handheld EMP device http://www.instructables.com/id/Handheld-EMP-device/
Handheld EMP device - More DIY How To Projects]]> http://cdn.instructables.com/FRI/C3Y9/HWXLG2HJ/FRIC3Y9HWXLG2HJ.SQUARE2.jpg http://cdn.instructables.com/FRI/C3Y9/HWXLG2HJ/FRIC3Y9HWXLG2HJ.SQUARE.jpg http://cdn.instructables.com/FRI/C3Y9/HWXLG2HJ/FRIC3Y9HWXLG2HJ.SMALL.jpg S0uraV_DAS EMPs (Electromagnetic pulse) are quite popular in the world of science fiction. Wouldn't it be cool to have one of your own? That's what I thought when I started building it.I wanted to make an EMP which will be portable and which can be hidden under full sleeves( That's naughty!). If you have the r...
By: S0uraV_DAS

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Sat, 28 Jun 2014 02:33:07 PDT
FM Modulation/de-modulation Circuit http://www.instructables.com/id/FM-Modulationde-modulation-Circuit/
FM Modulation/de-modulation Circuit - More DIY How To Projects]]> http://cdn.instructables.com/F28/3UR4/HWRC7202/F283UR4HWRC7202.SQUARE2.jpg http://cdn.instructables.com/F28/3UR4/HWRC7202/F283UR4HWRC7202.SQUARE.jpg http://cdn.instructables.com/F28/3UR4/HWRC7202/F283UR4HWRC7202.SMALL.jpg brmarcum I got the idea for this circuit from one of my professors. That design wasn't meant for passing frequencies high enough to be able to pass an audio file, e.g. 500Hz+, so I built this by modifying the carrier and signal frequencies, using only the Digilent Analog Discovery and the Analog Parts Kit. I...
By: brmarcum

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Mon, 23 Jun 2014 21:57:36 PDT
CUSTOM BUILD 4WD BLUETOOTH RC ROBOT USING PVC http://www.instructables.com/id/CUSTOM-BUILD-4WD-BLUETOOTH-RC-ROBOT-USING-PVC/
CUSTOM BUILD 4WD BLUETOOTH RC ROBOT USING PVC - More DIY How To Projects]]> http://cdn.instructables.com/F5X/XDHU/HWVAWF7K/F5XXDHUHWVAWF7K.SQUARE2.jpg http://cdn.instructables.com/F5X/XDHU/HWVAWF7K/F5XXDHUHWVAWF7K.SQUARE.jpg http://cdn.instructables.com/F5X/XDHU/HWVAWF7K/F5XXDHUHWVAWF7K.SMALL.jpg tominjose Hi guys this is my second project done by pvc , you may wonder why i choose pvs to built my projects, coz i have bunch of pvc which are leftovers of my house plumping work .and i dont wanna waste them . PROJECT DETAILSThis is a si...
By: tominjose

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Thu, 26 Jun 2014 12:10:08 PDT
COMPACT-CAR-BATTERY-TESTER-ANALYZER-INDICATOR http://www.instructables.com/id/COMPACT-CAR-BATTERY-TESTER-ANALYZER-INDICATOR/
COMPACT-CAR-BATTERY-TESTER-ANALYZER-INDICATOR - More DIY How To Projects]]> http://cdn.instructables.com/FKA/M30U/HWNU8LSS/FKAM30UHWNU8LSS.SQUARE2.jpg http://cdn.instructables.com/FKA/M30U/HWNU8LSS/FKAM30UHWNU8LSS.SQUARE.jpg http://cdn.instructables.com/FKA/M30U/HWNU8LSS/FKAM30UHWNU8LSS.SMALL.jpg ajoyraman I drive a 1985 model car, no MPFI, no electronics and a vibrating-contact voltage-regulator/cut-out system. Additionally, my usage is also limited and practically restricted only to weekends. I wanted a simple device which could monitor the health of my car 12V battery and the charging system.This I...
By: ajoyraman

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Sat, 21 Jun 2014 03:47:41 PDT
ISS Overhead http://www.instructables.com/id/ISS-Overhead/
ISS Overhead - More DIY How To Projects]]> http://cdn.instructables.com/F51/UR4S/HWQN20OC/F51UR4SHWQN20OC.SQUARE2.jpg http://cdn.instructables.com/F51/UR4S/HWQN20OC/F51UR4SHWQN20OC.SQUARE.jpg http://cdn.instructables.com/F51/UR4S/HWQN20OC/F51UR4SHWQN20OC.SMALL.jpg beardedinventor The ISS Overhead is an ambient display that glows whenever the International Space Station is flying overhead. It is designed to act as an occasional reminder that there are people living and working in space!This project should take you somewhere between 2 hours to an afternoon to complete. It assu...
By: beardedinventor

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Thu, 19 Jun 2014 14:39:50 PDT
Easy Under-Cabinet Lighting http://www.instructables.com/id/Easy-Under-Cabinet-Lighting/
Easy Under-Cabinet Lighting - More DIY How To Projects]]> http://cdn.instructables.com/FIY/MP3G/HWVAO5LM/FIYMP3GHWVAO5LM.SQUARE2.jpg http://cdn.instructables.com/FIY/MP3G/HWVAO5LM/FIYMP3GHWVAO5LM.SQUARE.jpg http://cdn.instructables.com/FIY/MP3G/HWVAO5LM/FIYMP3GHWVAO5LM.SMALL.jpg brmarcum My apartment has terrible lighting in the kitchen. There is one big fluorescent light on the ceiling and then the two lights over the stove from the vent hood. The problem is that there is a big dead space on the counter near the sink where there isn't any good light. So I made an under-cabinet ligh...
By: brmarcum

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Fri, 20 Jun 2014 02:28:12 PDT
DIY SOLAR FLASHLIGHT http://www.instructables.com/id/DIY-SOLAR-FLASHLIGHT/
DIY SOLAR FLASHLIGHT - More DIY How To Projects]]> http://cdn.instructables.com/FYR/LZA4/HWKJZU2C/FYRLZA4HWKJZU2C.SQUARE2.jpg http://cdn.instructables.com/FYR/LZA4/HWKJZU2C/FYRLZA4HWKJZU2C.SQUARE.jpg http://cdn.instructables.com/FYR/LZA4/HWKJZU2C/FYRLZA4HWKJZU2C.SMALL.jpg kris754a I built this flashlight so i would have one that used sunlight and didn't require any batteries. When fully charged it can stay lit in approx 30 minutes. What you will need The circuit Putting on the solar panel Add the capacitors Mounting the switch Mounting the LED's Conn...
By: kris754a

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Wed, 18 Jun 2014 05:42:18 PDT
Knit a Working Circuit Board http://www.instructables.com/id/Knit-a-Working-Circuit-Board/
Knit a Working Circuit Board - More DIY How To Projects]]> http://cdn.instructables.com/FP8/Y0EQ/HWIMST00/FP8Y0EQHWIMST00.SQUARE2.jpg http://cdn.instructables.com/FP8/Y0EQ/HWIMST00/FP8Y0EQHWIMST00.SQUARE.jpg http://cdn.instructables.com/FP8/Y0EQ/HWIMST00/FP8Y0EQHWIMST00.SMALL.jpg jseay For this instructable, I'll demonstrate how to knit circuitry, using a simple LED circuit as an example. The instructions assume you already know how to knit, solder, and wire up LEDs. (If you need to brush up on those skills, there are great tutorials all over the web.)IntroductionAfter discoveri...
By: jseay

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Mon, 16 Jun 2014 20:16:41 PDT
Voltage doubler for wind generators http://www.instructables.com/id/Voltage-doubler-for-wind-generators/
Voltage doubler for wind generators - More DIY How To Projects]]> http://cdn.instructables.com/FB0/UZYC/HWIMTVP4/FB0UZYCHWIMTVP4.SQUARE2.jpg http://cdn.instructables.com/FB0/UZYC/HWIMTVP4/FB0UZYCHWIMTVP4.SQUARE.jpg http://cdn.instructables.com/FB0/UZYC/HWIMTVP4/FB0UZYCHWIMTVP4.SMALL.jpg florlayamp I built this circuit in hopes that the wind generator i'm working on will have less rpm's to spin to get the voltage I need to charge batteries or run lights on wind that blows. It's a really simple circuit that has only a few components, mainly a rectifier to convert the a/c voltage my stepper mo...
By: florlayamp

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Mon, 16 Jun 2014 22:43:32 PDT
Phaser Guitar Pedal http://www.instructables.com/id/Phaser-Guitar-Pedal/
Phaser Guitar Pedal - More DIY How To Projects]]> http://cdn.instructables.com/FDI/WPCX/HWH2J4R4/FDIWPCXHWH2J4R4.SQUARE2.jpg http://cdn.instructables.com/FDI/WPCX/HWH2J4R4/FDIWPCXHWH2J4R4.SQUARE.jpg http://cdn.instructables.com/FDI/WPCX/HWH2J4R4/FDIWPCXHWH2J4R4.SMALL.jpg randofo A phaser guitar pedal is a guitar effect that splits a signal, send one path through the circuit cleanly and shifts the phase of the second. The two signals are then mixed back together and when out of phase, cancel each other out. This creates a sound somewhat akin to a flanger or an auto-wah. This...
By: randofo

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Mon, 16 Jun 2014 11:48:21 PDT
Cheap USB Fume Extractor From Old PC Parts http://www.instructables.com/id/Cheap-USB-Fume-Extractor-From-Old-PC-Parts/
Cheap USB Fume Extractor From Old PC Parts - More DIY How To Projects]]> http://cdn.instructables.com/FYF/OUX5/HWH2GR8K/FYFOUX5HWH2GR8K.SQUARE2.jpg http://cdn.instructables.com/FYF/OUX5/HWH2GR8K/FYFOUX5HWH2GR8K.SQUARE.jpg http://cdn.instructables.com/FYF/OUX5/HWH2GR8K/FYFOUX5HWH2GR8K.SMALL.jpg tsaltzman I've been sucking down these fumes for too long and if you have too then...well you should have got a fume extractor when you bought that soldering iron you have there, right? But you didn't, so time to make one out of the scrap you have laying around. I typically salvage USB cables from damaged key...
By: tsaltzman

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Sun, 15 Jun 2014 23:20:19 PDT
Most Simple Home-Made PCB by Toner Transfer http://www.instructables.com/id/Most-Simple-Home-Made-PCB-by-Toner-Transfer/
Most Simple Home-Made PCB by Toner Transfer - More DIY How To Projects]]> http://cdn.instructables.com/FP9/9OGN/HDYZ7TBW/FP99OGNHDYZ7TBW.SQUARE2.jpg http://cdn.instructables.com/FP9/9OGN/HDYZ7TBW/FP99OGNHDYZ7TBW.SQUARE.jpg http://cdn.instructables.com/FP9/9OGN/HDYZ7TBW/FP99OGNHDYZ7TBW.SMALL.jpg electrodragon Compare to Photo-sensitive PCB, toner transfer PCB require less tools, steps to do, also every easy to control. We finish this simple board in 10 minutes. Of course, we provide a very professional PCB service now, you can get a very high quality PCB sample from our this service. I have to say this ...
By: electrodragon

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Wed, 6 Mar 2013 17:38:41 PST
DIY homemade CD fan using battery and motor http://www.instructables.com/id/homemade-CD-fan-with-battery/
DIY homemade CD fan using battery and motor - More DIY How To Projects]]> http://cdn.instructables.com/FTW/ZFWY/HWDRDRMP/FTWZFWYHWDRDRMP.SQUARE2.jpg http://cdn.instructables.com/FTW/ZFWY/HWDRDRMP/FTWZFWYHWDRDRMP.SQUARE.jpg http://cdn.instructables.com/FTW/ZFWY/HWDRDRMP/FTWZFWYHWDRDRMP.SMALL.jpg aishwarya kalpana One of the problems that many of us suffers is the power failure though, there are many solutions, thing is we need is the money to buy an invertor and to give a provision for the connection. Every one of us like inventing things. We can make use of old and even waste things to make a new invention ...
By: aishwarya kalpana

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Fri, 13 Jun 2014 12:06:21 PDT
Motion Activated AC Switch http://www.instructables.com/id/Motion-Activated-AC-Switch/
Motion Activated AC Switch - More DIY How To Projects]]> http://cdn.instructables.com/F37/49J7/HWRC73DQ/F3749J7HWRC73DQ.SQUARE2.jpg http://cdn.instructables.com/F37/49J7/HWRC73DQ/F3749J7HWRC73DQ.SQUARE.jpg http://cdn.instructables.com/F37/49J7/HWRC73DQ/F3749J7HWRC73DQ.SMALL.jpg brmarcum I hate Christmas tree lights.Well not really, I just don't enjoy having to climb under the tree every time I want to plug in or unplug the lights. In the interest of saving my sanity, I decided to build a motion activated switch that can power the lights for me. It has an integrated adjustable timer...
By: brmarcum

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Fri, 13 Jun 2014 13:09:33 PDT
Mini Audio Transmitter http://www.instructables.com/id/Mini-Audio-Transmitter/
Mini Audio Transmitter - More DIY How To Projects]]> http://cdn.instructables.com/FPD/IL2V/HWDFC9TO/FPDIL2VHWDFC9TO.SQUARE2.jpg http://cdn.instructables.com/FPD/IL2V/HWDFC9TO/FPDIL2VHWDFC9TO.SQUARE.jpg http://cdn.instructables.com/FPD/IL2V/HWDFC9TO/FPDIL2VHWDFC9TO.SMALL.jpg ThisIsSteve In this instructable I'm going to show you how to build your own portable audio transmitter. This transmits FM waves so you could easily get the signals on your mobile phone, radios, etc. As the name and the picture indicates it is very small and is approximately the size of a 9v battery clip. This ...
By: ThisIsSteve

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Fri, 13 Jun 2014 07:52:07 PDT
Power generating shoe for charging mobile phones and torch lights http://www.instructables.com/id/Power-generating-shoe-for-charging-mobile-phones-a/
Power generating shoe for charging mobile phones and torch lights - More DIY How To Projects]]> http://cdn.instructables.com/F99/BJN7/HWCJHRBJ/F99BJN7HWCJHRBJ.SQUARE2.jpg http://cdn.instructables.com/F99/BJN7/HWCJHRBJ/F99BJN7HWCJHRBJ.SQUARE.jpg http://cdn.instructables.com/F99/BJN7/HWCJHRBJ/F99BJN7HWCJHRBJ.SMALL.jpg Martin Arunnath This shoe works on dynamo basis and during the walk or running the dynamo produces power which is stored in the battery. During at rest the chords can be attached and the mobiles phones get charged.It is user friendly and economical. Take the shoe and remove the heels alone seperately. Take the s...
By: Martin Arunnath

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Fri, 13 Jun 2014 01:02:01 PDT
Controlling Motors with a Cell Phone http://www.instructables.com/id/Controlling-Motors-with-a-Cell-Phone/
Controlling Motors with a Cell Phone - More DIY How To Projects]]> http://cdn.instructables.com/FAJ/8MJ3/HW7QB536/FAJ8MJ3HW7QB536.SQUARE2.jpg http://cdn.instructables.com/FAJ/8MJ3/HW7QB536/FAJ8MJ3HW7QB536.SQUARE.jpg http://cdn.instructables.com/FAJ/8MJ3/HW7QB536/FAJ8MJ3HW7QB536.SMALL.jpg thiagohersan I’m working on a project where I want to drive two motors based on signals coming from a cell phone. Something simple. Something that activates every time I get a text message on my phone. There are many ways to do this, I’ll outline the ones I tried and why they did or did not work for me. 99 pro...
By: thiagohersan

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Mon, 9 Jun 2014 16:43:58 PDT
Toner transfer for PCB : Flamethrower Style http://www.instructables.com/id/Toner-transfer-for-PCB-Flamethrower-Style/
Toner transfer for PCB : Flamethrower Style - More DIY How To Projects]]> http://cdn.instructables.com/FH6/81J4/HW4OI2E3/FH681J4HW4OI2E3.SQUARE2.jpg http://cdn.instructables.com/FH6/81J4/HW4OI2E3/FH681J4HW4OI2E3.SQUARE.jpg http://cdn.instructables.com/FH6/81J4/HW4OI2E3/FH681J4HW4OI2E3.SMALL.jpg fmarquis Hello everyone!If you are a Maker interested in electronics, chances are you are trying (or tried, or gave up trying) to make your own PCBs. Going for professional PCB manufacturing may be a very good idea, especially if you are working on anything where reliability is not an option or if you need a...
By: fmarquis

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Sat, 7 Jun 2014 21:07:37 PDT
Danish Krown Slide-Switch http://www.instructables.com/id/Danish-Krown-Slide-Switch/
Danish Krown Slide-Switch - More DIY How To Projects]]> http://cdn.instructables.com/FAV/OM43/HW6T2M5S/FAVOM43HW6T2M5S.SQUARE2.jpg http://cdn.instructables.com/FAV/OM43/HW6T2M5S/FAVOM43HW6T2M5S.SQUARE.jpg http://cdn.instructables.com/FAV/OM43/HW6T2M5S/FAVOM43HW6T2M5S.SMALL.jpg Plusea Sensors! There are so many different kinds of materials in the world! Conductive, resistive, pizeoresistive, semi-conductive, non-conductive. We use them every day, in all kinds of different ways. Why not use them to build and customize our very own sensors. The Danish Krown Slide-Switch is one exa...
By: Plusea

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Mon, 9 Jun 2014 07:05:00 PDT
littleBits 8-bit Jukebox http://www.instructables.com/id/littleBits-8-bit-Jukebox/
littleBits 8-bit Jukebox - More DIY How To Projects]]> http://cdn.instructables.com/FXE/YNEA/HW7Q8YY8/FXEYNEAHW7Q8YY8.SQUARE2.jpg http://cdn.instructables.com/FXE/YNEA/HW7Q8YY8/FXEYNEAHW7Q8YY8.SQUARE.jpg http://cdn.instructables.com/FXE/YNEA/HW7Q8YY8/FXEYNEAHW7Q8YY8.SMALL.jpg littleBits The 8-bit Jukebox is a chiptune music box powered by littleBits’ new Arduino module. The module is programmed with 4 different songs that playback with a retro, video-game-styled 8-bit sound. To select which song you would like to play, just insert one of the 4 song cartridges into a slot on top ...
By: littleBits

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Mon, 9 Jun 2014 10:21:17 PDT
GEMS DEAD BATTERY FLASHLIGHT http://www.instructables.com/id/GEMS-DEAD-BATTERY-FLASH-LIGHT/
GEMS DEAD BATTERY FLASHLIGHT - More DIY How To Projects]]> http://cdn.instructables.com/FJ5/HEBE/HW6T1MWH/FJ5HEBEHW6T1MWH.SQUARE2.jpg http://cdn.instructables.com/FJ5/HEBE/HW6T1MWH/FJ5HEBEHW6T1MWH.SQUARE.jpg http://cdn.instructables.com/FJ5/HEBE/HW6T1MWH/FJ5HEBEHW6T1MWH.SMALL.jpg deba168 I always love to make something by using used stuff.I found plenty of used battery in my drawer so I thought how to reuse it .The best idea come to my mind is to making a powerful flash light .During summer in eastern part of INDIA , we face storm and power cut on every evening .So I think my flash ...
By: deba168

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Mon, 9 Jun 2014 03:26:31 PDT
Attiny25/45/85 PWM generator and Servo tester! http://www.instructables.com/id/Attiny254585-PWM-generator-and-Servo-tester/
Attiny25/45/85 PWM generator and Servo tester! - More DIY How To Projects]]> http://cdn.instructables.com/FMG/6DC1/HTZULNS7/FMG6DC1HTZULNS7.SQUARE2.jpg http://cdn.instructables.com/FMG/6DC1/HTZULNS7/FMG6DC1HTZULNS7.SQUARE.jpg http://cdn.instructables.com/FMG/6DC1/HTZULNS7/FMG6DC1HTZULNS7.SMALL.jpg Jan_Henrik Hello, in this project I want to show you how to build a PWM generator with a Attiny processor. It is very easy to build and a nice project for starters as also for professionals. You will need some electronic knowledge and some knowledge about Arduino. It wont be to hard, because i already wrote a ...
By: Jan_Henrik

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Mon, 14 Apr 2014 10:51:47 PDT
Can the sparks from a tesla coil roast marshmallows? http://www.instructables.com/id/Can-the-sparks-from-a-tesla-coil-roast-marshmallow/
Can the sparks from a tesla coil roast marshmallows? - More DIY How To Projects]]> http://cdn.instructables.com/FJJ/PFZH/HVTWHR8Q/FJJPFZHHVTWHR8Q.SQUARE2.jpg http://cdn.instructables.com/FJJ/PFZH/HVTWHR8Q/FJJPFZHHVTWHR8Q.SQUARE.jpg http://cdn.instructables.com/FJJ/PFZH/HVTWHR8Q/FJJPFZHHVTWHR8Q.SMALL.jpg abugslife99 Can the sparks from a tesla coil roast marshmallows?(Cautionary note - we had an expert in the group to help with safety issues). Diagram First a diagram of what we are building. Winding the coil A rig was built to help wind the secondary coil. Top load The top load is made out of a wacky n...
By: abugslife99

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Sat, 31 May 2014 09:06:35 PDT
How to Change Game Boy Cartridge Battery http://www.instructables.com/id/How-to-Change-Game-Boy-Cartridge-Battery/
How to Change Game Boy Cartridge Battery - More DIY How To Projects]]> http://cdn.instructables.com/FWK/NWN6/HW0FZEZK/FWKNWN6HW0FZEZK.SQUARE2.jpg http://cdn.instructables.com/FWK/NWN6/HW0FZEZK/FWKNWN6HW0FZEZK.SQUARE.jpg http://cdn.instructables.com/FWK/NWN6/HW0FZEZK/FWKNWN6HW0FZEZK.SMALL.jpg kenizl86 Do you have an original Game Boy (GB) game, or a Game Boy Color (GBC) game? One that you've spent days of play time on, won so many achievements with, or just can't part with the saves you have on there? If so, it's more than likely (almost guaranteed) that there is a battery inside that old game ca...
By: kenizl86

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Wed, 4 Jun 2014 20:42:00 PDT