Instructables: exploring - technology - electronics - popular http://www.instructables.com Sun, 31 Aug 2014 04:01:33 PDT BLOX v1.01 22 Inch Cinema in Your Car http://www.instructables.com/id/22-Inch-Cinema-in-Your-Car/
22 Inch Cinema in Your Car - More DIY How To Projects]]> http://cdn.instructables.com/FWZ/0TUG/HZB3SP1P/FWZ0TUGHZB3SP1P.SQUARE2.jpg http://cdn.instructables.com/FWZ/0TUG/HZB3SP1P/FWZ0TUGHZB3SP1P.SQUARE.jpg http://cdn.instructables.com/FWZ/0TUG/HZB3SP1P/FWZ0TUGHZB3SP1P.SMALL.jpg Renard_Bleu Road trips with kids can be a royal pain in the asterisk without proper entertainment. We discovered those portable DVD players a few years back and have never looked back. Our recent model went on the fritz, and I decided to kick it up a notch with some gear that I had from other projects. Unfortun...
By: Renard_Bleu

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Wed, 27 Aug 2014 17:33:38 PDT
DIY PCB using Liquid Photoresist http://www.instructables.com/id/DIY-PCB-using-Liquid-Photoresist/
DIY PCB using Liquid Photoresist - More DIY How To Projects]]> http://cdn.instructables.com/FI7/40I6/HZB3KUPQ/FI740I6HZB3KUPQ.SQUARE2.jpg http://cdn.instructables.com/FI7/40I6/HZB3KUPQ/FI740I6HZB3KUPQ.SQUARE.jpg http://cdn.instructables.com/FI7/40I6/HZB3KUPQ/FI740I6HZB3KUPQ.SMALL.jpg synthdood I have been an avid electronics DIY guy for many years now, and I have spent a lot of that time struggling to learn how to make my own PCBs. I have tried every technique that I have come across on the internet, from iron-on print outs to dry photosensitive blue sheets. Sometimes I was successful in ...
By: synthdood

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Tue, 26 Aug 2014 15:35:29 PDT
All You Need to Know About LEDs http://www.instructables.com/id/All-You-Need-to-Know-bout-LEDs/
All You Need to Know About LEDs - More DIY How To Projects]]> http://cdn.instructables.com/F7J/RY1F/HZ5DVSIO/F7JRY1FHZ5DVSIO.SQUARE2.jpg http://cdn.instructables.com/F7J/RY1F/HZ5DVSIO/F7JRY1FHZ5DVSIO.SQUARE.jpg http://cdn.instructables.com/F7J/RY1F/HZ5DVSIO/F7JRY1FHZ5DVSIO.SMALL.jpg theedisoneffect IMAGES: LEDs.An Light Emitting Diode is an electronic device that emits light when current is passed through it. LEDs are small, extremely efficient, bright, cheap, electronic components. People think that LEDs are just common light emitting components & tend to overlook the Interesting Facts & Feat...
By: theedisoneffect

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Mon, 18 Aug 2014 05:30:18 PDT
littleBits DIY Smart Thermostat http://www.instructables.com/id/littleBits-DIY-Smart-Thermostat/
littleBits DIY Smart Thermostat - More DIY How To Projects]]> http://cdn.instructables.com/FL5/4HSO/HZ3YBEFW/FL54HSOHZ3YBEFW.SQUARE2.jpg http://cdn.instructables.com/FL5/4HSO/HZ3YBEFW/FL54HSOHZ3YBEFW.SQUARE.jpg http://cdn.instructables.com/FL5/4HSO/HZ3YBEFW/FL54HSOHZ3YBEFW.SMALL.jpg littleBits Monitor and control the temperature of your home remotely. Transform your average household thermostat into a smart thermostat, kind of like nest. Now you can use your smartphone to get real time temperature readouts from your home and change the temperature from anywhere, whether you are across the...
By: littleBits

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Thu, 21 Aug 2014 08:50:55 PDT
Chemical and drilling free, card PCBs http://www.instructables.com/id/Chemical-and-drilling-free-card-PCBs/
Chemical and drilling free, card PCBs - More DIY How To Projects]]> http://cdn.instructables.com/F90/Q2BO/HZ3YB8Q0/F90Q2BOHZ3YB8Q0.SQUARE2.jpg http://cdn.instructables.com/F90/Q2BO/HZ3YB8Q0/F90Q2BOHZ3YB8Q0.SQUARE.jpg http://cdn.instructables.com/F90/Q2BO/HZ3YB8Q0/F90Q2BOHZ3YB8Q0.SMALL.jpg jefffolly Most of us who are into electronics feel the need to produce a PCB for our new project. However, if like me you cant etch at home you're limited to using strip-board. The obvious alternative, getting a prototype PCB made is both expensive and fraught with difficulties. What if you pay your money but...
By: jefffolly

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Thu, 21 Aug 2014 10:28:53 PDT
BMW 530i - Adding The BMW "Sports Mode" Button Hack http://www.instructables.com/id/BMW-530i-Adding-The-BMW-Sports-Mode-Button-Hack/
BMW 530i - Adding The BMW "Sports Mode" Button Hack - More DIY How To Projects]]> http://cdn.instructables.com/FMB/I4T4/HZ13FSYS/FMBI4T4HZ13FSYS.SQUARE2.jpg http://cdn.instructables.com/FMB/I4T4/HZ13FSYS/FMBI4T4HZ13FSYS.SQUARE.jpg http://cdn.instructables.com/FMB/I4T4/HZ13FSYS/FMBI4T4HZ13FSYS.SMALL.jpg lovepistol This instructable will uncover the option to add the BMW sports driving mode on all 2006 BMW 530i's with the E60 chassis. The sports driving mode was never offered for this particular model, even though they classify this car model as a sport model, you couldn't get the actual sport driving mode. ...
By: lovepistol

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Wed, 20 Aug 2014 21:46:00 PDT
Easy 2$ Radio WalkieTalkie http://www.instructables.com/id/Easy-2-Radio-WalkieTalkie/
Easy 2$ Radio WalkieTalkie - More DIY How To Projects]]> http://cdn.instructables.com/FAS/ZW79/HZ13E21R/FASZW79HZ13E21R.SQUARE2.jpg http://cdn.instructables.com/FAS/ZW79/HZ13E21R/FASZW79HZ13E21R.SQUARE.jpg http://cdn.instructables.com/FAS/ZW79/HZ13E21R/FASZW79HZ13E21R.SMALL.jpg aaaaoooo This instructible is a collection of ideas to make a very low cost walkie talkie Range can go 1km based on the transmitter selection . Walkie talkies are easy but the coils IF transformers , matching reciever etc are very boring .Mainly a usable FM walkie needs three parts 1)tx-rx circuits : we w...
By: aaaaoooo

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Tue, 19 Aug 2014 03:47:57 PDT
DIY Bluetooth Headphones http://www.instructables.com/id/DIY-Bluetooth-Headphones/
DIY Bluetooth Headphones - More DIY How To Projects]]> http://cdn.instructables.com/FLK/FM6H/HYTI3VTL/FLKFM6HHYTI3VTL.SQUARE2.jpg http://cdn.instructables.com/FLK/FM6H/HYTI3VTL/FLKFM6HHYTI3VTL.SQUARE.jpg http://cdn.instructables.com/FLK/FM6H/HYTI3VTL/FLKFM6HHYTI3VTL.SMALL.jpg silentbogo Tired of ripping wires on your headset? Don't like the feel of being "chained" to your computer? Then you came to the right place!This is a quick DIY project. It can be done in less than 2 hours if you are familiar with the topic, and no more than 1 evening for a complete newbie.The main objective i...
By: silentbogo

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Thu, 14 Aug 2014 12:44:45 PDT
How To Extract Gold From Electronics http://www.instructables.com/id/How-To-Extract-Gold-From-Electronics/
How To Extract Gold From Electronics - More DIY How To Projects]]> http://cdn.instructables.com/FYQ/M2PI/HYT204RA/FYQM2PIHYT204RA.SQUARE2.jpg http://cdn.instructables.com/FYQ/M2PI/HYT204RA/FYQM2PIHYT204RA.SQUARE.jpg http://cdn.instructables.com/FYQ/M2PI/HYT204RA/FYQM2PIHYT204RA.SMALL.jpg ProjectPlace In this Instructable, I will show you how to extract gold from computers using products most people have lying around in their homes. The way I extract the gold is relatively straight-forward and pretty easy, but the chemicals used are very dangerous and should not be performed without proper knowle...
By: ProjectPlace

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Wed, 13 Aug 2014 13:19:46 PDT
How to calibrate a cheap temperature sensor http://www.instructables.com/id/How-to-calibrate-a-cheap-temperature-sensor/
How to calibrate a cheap temperature sensor - More DIY How To Projects]]> http://cdn.instructables.com/FAJ/ZU2K/HYLZH1V4/FAJZU2KHYLZH1V4.SQUARE2.jpg http://cdn.instructables.com/FAJ/ZU2K/HYLZH1V4/FAJZU2KHYLZH1V4.SQUARE.jpg http://cdn.instructables.com/FAJ/ZU2K/HYLZH1V4/FAJZU2KHYLZH1V4.SMALL.jpg Yoruk Hi all, I have a lot of electronics projects that involves temperature reading. Weather stations, room monitoring, or just to check the temperature of a part and trigger a fan, are some typical applications that require temperature sensors.I discovered an advertising on a website about a very cheap ...
By: Yoruk

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Sat, 9 Aug 2014 02:16:55 PDT
Arduino Programmable Constant Current Power Resistance Load http://www.instructables.com/id/Arduino-Programmable-Constant-Current-Power-Resist/
Arduino Programmable Constant Current Power Resistance Load - More DIY How To Projects]]> http://cdn.instructables.com/F2U/ZCJ3/HYL0NGEA/F2UZCJ3HYL0NGEA.SQUARE2.jpg http://cdn.instructables.com/F2U/ZCJ3/HYL0NGEA/F2UZCJ3HYL0NGEA.SQUARE.jpg http://cdn.instructables.com/F2U/ZCJ3/HYL0NGEA/F2UZCJ3HYL0NGEA.SMALL.jpg wigman27 Glad to see you have arrived on this page to learn how to build a programmable constant direct current dummy load. This load will allow you to draw a set current from any source. This load can also be set to a constant resistance or a constant power.I have been working in the Electrical Engineering ...
By: wigman27

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Mon, 11 Aug 2014 16:51:35 PDT
How to extend the lifetime of you TATTU professional UAV lipo battery http://www.instructables.com/id/How-to-extend-the-lifetime-of-you-TATTU-profession/
How to extend the lifetime of you TATTU professional UAV lipo battery - More DIY How To Projects]]> http://cdn.instructables.com/FRR/6N98/HYJ87SR7/FRR6N98HYJ87SR7.SQUARE2.jpg http://cdn.instructables.com/FRR/6N98/HYJ87SR7/FRR6N98HYJ87SR7.SQUARE.jpg http://cdn.instructables.com/FRR/6N98/HYJ87SR7/FRR6N98HYJ87SR7.SMALL.jpg gensdaniel As a kind of “accessory” for drones, TATTU professional UAV lipo battery is one most “expensive” . Not because its high retail price, but because it can easily get damaged for careless handling.How to achieve better use of a lipo battery? There are three aspect you need to take care of three parts. ...
By: gensdaniel

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Thu, 7 Aug 2014 01:26:14 PDT
Make a One Tube Radio http://www.instructables.com/id/Make-a-One-Tube-Radio/
Make a One Tube Radio - More DIY How To Projects]]> http://cdn.instructables.com/FLF/XK9X/HYE5XMO4/FLFXK9XHYE5XMO4.SQUARE2.jpg http://cdn.instructables.com/FLF/XK9X/HYE5XMO4/FLFXK9XHYE5XMO4.SQUARE.jpg http://cdn.instructables.com/FLF/XK9X/HYE5XMO4/FLFXK9XHYE5XMO4.SMALL.jpg S.Leung *** This is my entry in the Vintage Contest. When I read of the contest sponsored by Crosley, the first thing I thought of was tube radios. I've wanted to try building a tube radio for a while, so here's an instructable on how I did it. If you like it, please don't forget to vote for me in the Vinta...
By: S.Leung

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Mon, 4 Aug 2014 13:05:14 PDT
How to reuse the old LCD Screen of your broken Laptop http://www.instructables.com/id/How-to-reuse-the-old-LCD-Screen-of-your-broken-Lap/
How to reuse the old LCD Screen of your broken Laptop - More DIY How To Projects]]> http://cdn.instructables.com/FBX/LBNU/HYE5RH6B/FBXLBNUHYE5RH6B.SQUARE2.jpg http://cdn.instructables.com/FBX/LBNU/HYE5RH6B/FBXLBNUHYE5RH6B.SQUARE.jpg http://cdn.instructables.com/FBX/LBNU/HYE5RH6B/FBXLBNUHYE5RH6B.SMALL.jpg GreatScottLab This is a super simple but also very awesome project. You can turn any modern laptop screen into a monitor with the proper driver board. Connecting those two is easy as well. Just plug in the cable and done. But I took it one step further and also build a nice case from acrylic glass. Let's build it...
By: GreatScottLab

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Sun, 3 Aug 2014 07:30:22 PDT
Modification of the Lexmark E260 for Direct Laser Printing of Printed Circuit Boards http://www.instructables.com/id/Modification-of-the-Lexmark-E260-for-Direct-Laser-/
Modification of the Lexmark E260 for Direct Laser Printing of Printed Circuit Boards - More DIY How To Projects]]> http://cdn.instructables.com/F4S/1MLO/HYCSXVJJ/F4S1MLOHYCSXVJJ.SQUARE2.jpg http://cdn.instructables.com/F4S/1MLO/HYCSXVJJ/F4S1MLOHYCSXVJJ.SQUARE.jpg http://cdn.instructables.com/F4S/1MLO/HYCSXVJJ/F4S1MLOHYCSXVJJ.SMALL.jpg mlerman As an electronic hobbyist and inventor I often need to make printed circuit boards (PCBs) in single or small quantities. Usually these are relatively simple circuits: an MCU, some input conditioning circuitry, some output circuitry, and usually they are single sided or perhaps double sided, with jus...
By: mlerman

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Sat, 2 Aug 2014 14:28:53 PDT
An experiment in transformer rewinding http://www.instructables.com/id/An-experiment-in-transformer-rewinding/
An experiment in transformer rewinding - More DIY How To Projects]]> http://cdn.instructables.com/FKD/CLV4/HY12JCJU/FKDCLV4HY12JCJU.SQUARE2.jpg http://cdn.instructables.com/FKD/CLV4/HY12JCJU/FKDCLV4HY12JCJU.SQUARE.jpg http://cdn.instructables.com/FKD/CLV4/HY12JCJU/FKDCLV4HY12JCJU.SMALL.jpg throbscottle I've had this transformer sitting in my junk box for a few years now. It came from a cheap hi-fi system. of (possibly) 80's vintage. I'd worked out it must be rated 90-100VA, but with windings for 11.7v, 15.4v and 40.5v, it was a bit useless.So when I needed a transformer with a power rating of at ...
By: throbscottle

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Sat, 26 Jul 2014 15:48:54 PDT
Resurrect a Classic Portable B&W TV http://www.instructables.com/id/Resurrect-a-Classic-Portable-BW-TV/
Resurrect a Classic Portable B&W TV - More DIY How To Projects]]> http://cdn.instructables.com/F63/8R0Q/HY7T7G2L/F638R0QHY7T7G2L.SQUARE2.jpg http://cdn.instructables.com/F63/8R0Q/HY7T7G2L/F638R0QHY7T7G2L.SQUARE.jpg http://cdn.instructables.com/F63/8R0Q/HY7T7G2L/F638R0QHY7T7G2L.SMALL.jpg technovative Shortly before the first portable Motorola DynaTAC "brick" cellular telephone filled the palm of a Wall street yuppie, the original Sharp Sidekick was illuminating the camping trips of working class families. No I'm not having an episode of temporal displacement, or writing an episode of the Twiligh...
By: technovative

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Wed, 30 Jul 2014 10:29:24 PDT
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. Assemble the components The project requires an intermediate level of electron...
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!UPDATE (08/18/2014)If you would like to avoid the process of making your own charcoal and blending it into a paint, I bought very inexpensive 'powdered active carbo...
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