Instructables: exploring - technology - electronics - featured http://www.instructables.com Mon, 29 Jun 2015 22:19:21 PDT BLOX v1.01 Measuring low resistance / 4-wire on the cheap http://www.instructables.com/id/Measuring-low-resistance-4-wire-on-the-cheap/
Measuring low resistance / 4-wire on the cheap - More DIY How To Projects]]> http://cdn.instructables.com/FZU/DIIP/IBHRYSP5/FZUDIIPIBHRYSP5.SQUARE2.jpg http://cdn.instructables.com/FZU/DIIP/IBHRYSP5/FZUDIIPIBHRYSP5.SQUARE.jpg http://cdn.instructables.com/FZU/DIIP/IBHRYSP5/FZUDIIPIBHRYSP5.SMALL.jpg SA007 When measuring very low resistances the problem quickly arises that every multimeter sucks in measuring very low resistances.Most multimeters 'give up' below 10 ohms, taking very long to get a result and the accuracy is horrible.There are meters that can measure low resistances, which are 4-wire res...
By: SA007

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Mon, 29 Jun 2015 14:04:34 PDT
DIY Light Up Dalek Helmet http://www.instructables.com/id/DIY-Light-Up-Dalek-Helmet/
DIY Light Up Dalek Helmet - More DIY How To Projects]]> http://cdn.instructables.com/FZA/HG3Z/IBHRWULI/FZAHG3ZIBHRWULI.SQUARE2.jpg http://cdn.instructables.com/FZA/HG3Z/IBHRWULI/FZAHG3ZIBHRWULI.SQUARE.jpg http://cdn.instructables.com/FZA/HG3Z/IBHRWULI/FZAHG3ZIBHRWULI.SMALL.jpg SLOMakerSpace Here's an easy electronics project for your favorite Dr. Who fan! Many of my helmet materials were found around the house or at Goodwill, so you can substitute in parts that are about the same size/shape. I used: Plastic army-style helmet. Goodwill carries these around Halloween.Black spray paintSi...
By: SLOMakerSpace

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Mon, 29 Jun 2015 11:20:25 PDT
Nixie Driver HAT http://www.instructables.com/id/Nixie-Driver-HAT/
Nixie Driver HAT - More DIY How To Projects]]> http://cdn.instructables.com/FUK/XPIF/IBGCCZZS/FUKXPIFIBGCCZZS.SQUARE2.jpg http://cdn.instructables.com/FUK/XPIF/IBGCCZZS/FUKXPIFIBGCCZZS.SQUARE.jpg http://cdn.instructables.com/FUK/XPIF/IBGCCZZS/FUKXPIFIBGCCZZS.SMALL.jpg wooden_one Hi Makers!Everyone loves a bit of Retro technology, and in this case I've fallen in love with Nixie Tubes, which are high on the awesome-scale for being old Soviet Russia tech that we can still get our mitts on and make cool retro displays. These alpha-numeric displays use a gas mix consisting main...
By: wooden_one

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Sun, 28 Jun 2015 13:55:33 PDT
Pen solder feeder hack http://www.instructables.com/id/Pen-solder-feeder-hack/
Pen solder feeder hack - More DIY How To Projects]]> http://cdn.instructables.com/F3H/BGWR/IBC2DFI5/F3HBGWRIBC2DFI5.SQUARE2.jpg http://cdn.instructables.com/F3H/BGWR/IBC2DFI5/F3HBGWRIBC2DFI5.SQUARE.jpg http://cdn.instructables.com/F3H/BGWR/IBC2DFI5/F3HBGWRIBC2DFI5.SMALL.jpg ptkrf Hi! Today I have a special soldering quick tip for you: how to create an ultra cheap solder feeder. Once you start using it, it's much like with soldering fume extractor: you didn't know you needed one until you tried using it. And much like building a fume extractor, solder feeder is just as easy t...
By: ptkrf

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Thu, 25 Jun 2015 14:07:13 PDT
Three Transistor Short Wave Radio http://www.instructables.com/id/Three-Transistor-Short-Wave-Radio/
Three Transistor Short Wave Radio - More DIY How To Projects]]> http://cdn.instructables.com/F7H/RDY5/IB8Q9H9I/F7HRDY5IB8Q9H9I.SQUARE2.jpg http://cdn.instructables.com/F7H/RDY5/IB8Q9H9I/F7HRDY5IB8Q9H9I.SQUARE.jpg http://cdn.instructables.com/F7H/RDY5/IB8Q9H9I/F7HRDY5IB8Q9H9I.SMALL.jpg netzener The 60's and 70's were the golden age of electronic kit building. The novice had a great many educational kits to choose from that taught basic skills and electronics theory while assembling a device that could do something useful or entertaining. An advanced builder could use "sweat equity" to ine...
By: netzener

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Tue, 23 Jun 2015 01:02:55 PDT
How to make a speaker http://www.instructables.com/id/How-to-make-a-speaker-4/
How to make a speaker - More DIY How To Projects]]> http://cdn.instructables.com/FT3/TKG5/IB8I52X9/FT3TKG5IB8I52X9.SQUARE2.jpg http://cdn.instructables.com/FT3/TKG5/IB8I52X9/FT3TKG5IB8I52X9.SQUARE.jpg http://cdn.instructables.com/FT3/TKG5/IB8I52X9/FT3TKG5IB8I52X9.SMALL.jpg argha halder Hey everyone!Have you ever wondered how speakers in your phone or your headphones create sound? It might seem complicated, but as a matter of fact, it is quite simple, and you could even make your own speaker with some scrap materials and a bit of time. In this instructable I am going to show you o...
By: argha halder

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Mon, 22 Jun 2015 16:31:28 PDT
PVC Fig Rig Camera Mount http://www.instructables.com/id/PVC-Fig-Rig-Camera-Mount/
PVC Fig Rig Camera Mount - More DIY How To Projects]]> http://cdn.instructables.com/F7J/5COH/IB4AZGA5/F7J5COHIB4AZGA5.SQUARE2.jpg http://cdn.instructables.com/F7J/5COH/IB4AZGA5/F7J5COHIB4AZGA5.SQUARE.jpg http://cdn.instructables.com/F7J/5COH/IB4AZGA5/F7J5COHIB4AZGA5.SMALL.jpg WardWorks Hand held filming can be bouncy and jarring. You could spend a lot of money on different set ups or you could build the equivalent of a Fig Rig for $16. If you do any handheld filming, you need this mount. Designed by director Mike Figgis, the Fig Rig helps produce steady shots. Your arms absorb ...
By: WardWorks

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Mon, 22 Jun 2015 12:41:59 PDT
Piolin electronic musical instrument http://www.instructables.com/id/Piolin-electronic-musical-instrument/
Piolin electronic musical instrument - More DIY How To Projects]]> http://cdn.instructables.com/FCQ/FF75/IB4AYGHE/FCQFF75IB4AYGHE.SQUARE2.jpg http://cdn.instructables.com/FCQ/FF75/IB4AYGHE/FCQFF75IB4AYGHE.SQUARE.jpg http://cdn.instructables.com/FCQ/FF75/IB4AYGHE/FCQFF75IB4AYGHE.SMALL.jpg coventrymakerspace Hi! John from Coventry Makerspace here! When we were kindly given five Raspberry Pis by Instructables, I came up with the idea of using one to create a unique musical instrument. Using some salvaged wood and electrical components, plus a few other bits and bobs, I created the Piolin! The code was cr...
By: coventrymakerspace

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Mon, 22 Jun 2015 12:27:17 PDT
Powering your project http://www.instructables.com/id/Powering-your-project/
Powering your project - More DIY How To Projects]]> http://cdn.instructables.com/F8P/3UK8/IB4AEC55/F8P3UK8IB4AEC55.SQUARE2.jpg http://cdn.instructables.com/F8P/3UK8/IB4AEC55/F8P3UK8IB4AEC55.SQUARE.jpg http://cdn.instructables.com/F8P/3UK8/IB4AEC55/F8P3UK8IB4AEC55.SMALL.jpg SA007 Every electronic or electric project needs power, but how to select what kind of power supply you project needs.There are so many types out there, what are the things to keep in mind when browsing your local store or digging in a box of recycled parts?In this instructable I hope to give you a clear ...
By: SA007

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Sun, 21 Jun 2015 20:11:42 PDT
Laser Cut SphereBot http://www.instructables.com/id/Laser-Cut-SphereBot/
Laser Cut SphereBot - More DIY How To Projects]]> http://cdn.instructables.com/FXM/N70Y/IB6C9HEY/FXMN70YIB6C9HEY.SQUARE2.jpg http://cdn.instructables.com/FXM/N70Y/IB6C9HEY/FXMN70YIB6C9HEY.SQUARE.jpg http://cdn.instructables.com/FXM/N70Y/IB6C9HEY/FXMN70YIB6C9HEY.SMALL.jpg Electr0nicsGeek The concept of the SphereBot (or Egg-Bot) is really neat and innovative. For those of you who do not know, the SphereBot is a device that uses ordinary pens (sharpies, Rose Art markers, etc.) to draw on round objects. These can be anything, from ping pong balls, to golf balls, and even eggs. Ve...
By: Electr0nicsGeek

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Sun, 21 Jun 2015 20:09:59 PDT
Make a proper PCB exposure unit out of a cheap UV nail curing lamp http://www.instructables.com/id/Make-a-proper-PCB-exposer-out-of-a-cheap-UV-nail-c/
Make a proper PCB exposure unit out of a cheap UV nail curing lamp - More DIY How To Projects]]> http://cdn.instructables.com/FHE/67KI/IB0MISGM/FHE67KIIB0MISGM.SQUARE2.jpg http://cdn.instructables.com/FHE/67KI/IB0MISGM/FHE67KIIB0MISGM.SQUARE.jpg http://cdn.instructables.com/FHE/67KI/IB0MISGM/FHE67KIIB0MISGM.SMALL.jpg alibenpuff What do PCB production and fake fingernails have in common? They both use UV light sources of high intensity and, as luck would have it, those light sources have exactly the same wavelength. Only the ones for PCB production are usually quite costly and the ones for fake fingernails are a bit more co...
By: alibenpuff

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Wed, 17 Jun 2015 08:36:28 PDT
Electronic Water Tag Game http://www.instructables.com/id/Electronic-Water-Tag-Game/
Electronic Water Tag Game - More DIY How To Projects]]> http://cdn.instructables.com/FY5/PWRV/IAWDAOKU/FY5PWRVIAWDAOKU.SQUARE2.jpg http://cdn.instructables.com/FY5/PWRV/IAWDAOKU/FY5PWRVIAWDAOKU.SQUARE.jpg http://cdn.instructables.com/FY5/PWRV/IAWDAOKU/FY5PWRVIAWDAOKU.SMALL.jpg DIY Hacks and How Tos Everyone loves water gun fights in the summer. But you can always make something better by adding electronics to it. So I designed a set of water sensors and buzzers that will beep when they are hit with the spray of a water gun. This lets you play a game similar to laser tag but with water.And if y...
By: DIY Hacks and How Tos

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Mon, 15 Jun 2015 11:20:50 PDT
Voltage doubler http://www.instructables.com/id/Voltage-doubler/
Voltage doubler - More DIY How To Projects]]> http://cdn.instructables.com/F76/UGMT/IAXA5ZE0/F76UGMTIAXA5ZE0.SQUARE2.jpg http://cdn.instructables.com/F76/UGMT/IAXA5ZE0/F76UGMTIAXA5ZE0.SQUARE.jpg http://cdn.instructables.com/F76/UGMT/IAXA5ZE0/F76UGMTIAXA5ZE0.SMALL.jpg kathirava let's have a view on circuit diagram components required 1) Diode 22) Capacitors 23) Connecting wires4) Bread board5) Multimeter6) ac source 12 v Description give the connection as per the circuit diagram, the two violet wires are used to check the output. Testing We got the doubled output....
By: kathirava

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Mon, 15 Jun 2015 01:53:13 PDT
Battery Powered Magnetic Motor Masco G29 http://www.instructables.com/id/Battery-Powered-Magnetic-Motor-Masco-G29/
Battery Powered Magnetic Motor Masco G29 - More DIY How To Projects]]> http://cdn.instructables.com/FWB/6CXR/IATHZ7EK/FWB6CXRIATHZ7EK.SQUARE2.jpg http://cdn.instructables.com/FWB/6CXR/IATHZ7EK/FWB6CXRIATHZ7EK.SQUARE.jpg http://cdn.instructables.com/FWB/6CXR/IATHZ7EK/FWB6CXRIATHZ7EK.SMALL.jpg KatiM2 This instructable shows how to construct a simple battery powered motor using magnet wire, paper clips, elastics, a magnet, and a battery. Gather materials 2 paper clips 3 rubber band elastics 1 D battery 1 small magnet (about the size of a quarter) sandpaper arms length of 26 gauge ma...
By: KatiM2

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Sun, 14 Jun 2015 21:10:23 PDT
Clip Indicator (LED) for any power amp http://www.instructables.com/id/Clip-Indicator-LED-for-any-power-amp/
Clip Indicator (LED) for any power amp - More DIY How To Projects]]> http://cdn.instructables.com/FXQ/QEBJ/IAUX5GSC/FXQQEBJIAUX5GSC.SQUARE2.jpg http://cdn.instructables.com/FXQ/QEBJ/IAUX5GSC/FXQQEBJIAUX5GSC.SQUARE.jpg http://cdn.instructables.com/FXQ/QEBJ/IAUX5GSC/FXQQEBJIAUX5GSC.SMALL.jpg simpletronic A power amplifier cannot deliver an output wave wider than its power supply voltage. When you reach the limit, increasing gain may sound louder but sound will be distorted and can even damage speakers .This simple clipping indicator circuit will announce with an LED that you have reached that limit....
By: simpletronic

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Sun, 14 Jun 2015 00:26:57 PDT
DIY Laser Diode Driver || Constant Current Source http://www.instructables.com/id/DIY-Laser-Diode-Driver-Constant-Current-Source/
DIY Laser Diode Driver || Constant Current Source - More DIY How To Projects]]> http://cdn.instructables.com/FVV/T7VL/IATHV7KY/FVVT7VLIATHV7KY.SQUARE2.jpg http://cdn.instructables.com/FVV/T7VL/IATHV7KY/FVVT7VLIATHV7KY.SQUARE.jpg http://cdn.instructables.com/FVV/T7VL/IATHV7KY/FVVT7VLIATHV7KY.SMALL.jpg GreatScottLab In this project I will show you how I extracted a laser diode from a DVD Burner which should have the power to ignite a match. In order to power the diode correctly I will also demonstrate how I build a constant current source which delivers a precise and steady current to the load. Let's get starte...
By: GreatScottLab

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Sun, 14 Jun 2015 08:26:10 PDT
Running Videos on a TI84 Calculator http://www.instructables.com/id/Running-Videos-on-a-TI84-Calculator/
Running Videos on a TI84 Calculator - More DIY How To Projects]]> http://cdn.instructables.com/FNU/8P8V/IAQMKASV/FNU8P8VIAQMKASV.SQUARE2.jpg http://cdn.instructables.com/FNU/8P8V/IAQMKASV/FNU8P8VIAQMKASV.SQUARE.jpg http://cdn.instructables.com/FNU/8P8V/IAQMKASV/FNU8P8VIAQMKASV.SMALL.gif searx This project demonstrates the process of converting a video file into a format readable by the TI84 Silver Plus graphing calculator. A program is used to convert the data stored on the calculator into a smoothly playing video.You will need: • TI Connect Software • USB to Calculator wire • TI-Co...
By: searx

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Wed, 10 Jun 2015 14:27:13 PDT
Benchtop DC Power Supply http://www.instructables.com/id/Benchtop-DC-Power-Supply/
Benchtop DC Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FNP/1BSA/IASCSDS9/FNP1BSAIASCSDS9.SQUARE2.jpg http://cdn.instructables.com/FNP/1BSA/IASCSDS9/FNP1BSAIASCSDS9.SQUARE.jpg http://cdn.instructables.com/FNP/1BSA/IASCSDS9/FNP1BSAIASCSDS9.SMALL.jpg lawrence.esterlen This has been done probably hundreds of times here on Instructables, but I think that this is a great starter project for anyone interested in getting into electronics as a hobby. I am a U.S. Navy Electronics Technician, and even with costly test equipment at my disposal, I still consider this cheap...
By: lawrence.esterlen

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Thu, 11 Jun 2015 16:57:37 PDT
Creating Circuits using the Silhouette Portrait http://www.instructables.com/id/Creating-Circuits-using-the-Silhouette-Portrait/
Creating Circuits using the Silhouette Portrait - More DIY How To Projects]]> http://cdn.instructables.com/FS1/ZJN1/IATH6Q6Y/FS1ZJN1IATH6Q6Y.SQUARE2.jpg http://cdn.instructables.com/FS1/ZJN1/IATH6Q6Y/FS1ZJN1IATH6Q6Y.SQUARE.jpg http://cdn.instructables.com/FS1/ZJN1/IATH6Q6Y/FS1ZJN1IATH6Q6Y.SMALL.jpg BaltimoreHackerspace Today we will be creating circuits using the Silhouette Portrait. While this may not be all that practical, it is an excellent introduction to circuit-board layout. Sort of a "My First PCB" if you will.Materials: Silhouette Portrait plotter Foil tape (available at any auto-parts or hardware store) ...
By: BaltimoreHackerspace

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Fri, 12 Jun 2015 08:30:58 PDT
TV Remote controlled home appliance using 8051 http://www.instructables.com/id/TV-Remote-controlled-home-appliance-using-8051/
TV Remote controlled home appliance using 8051 - More DIY How To Projects]]> http://cdn.instructables.com/F3M/F1CR/IAS270DU/F3MF1CRIAS270DU.SQUARE2.jpg http://cdn.instructables.com/F3M/F1CR/IAS270DU/F3MF1CRIAS270DU.SQUARE.jpg http://cdn.instructables.com/F3M/F1CR/IAS270DU/F3MF1CRIAS270DU.SMALL.jpg JaspalS1 This project is used to switch the electrical appliances remotely using TV remote. It uses philips RC5 protocol based remote. The micro controller used is of Atmel i.e. at89c2051 of 8051 type. I have used triacs instead of relays to switch the AC appliance due to the reason of switching speed of cir...
By: JaspalS1

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Thu, 11 Jun 2015 23:07:36 PDT
Digital Filters on Zybo Board http://www.instructables.com/id/Digital-Filters-on-Zybo-Board/
Digital Filters on Zybo Board - More DIY How To Projects]]> http://cdn.instructables.com/FRD/PSNS/IARFCN1E/FRDPSNSIARFCN1E.SQUARE2.jpg http://cdn.instructables.com/FRD/PSNS/IARFCN1E/FRDPSNSIARFCN1E.SQUARE.jpg http://cdn.instructables.com/FRD/PSNS/IARFCN1E/FRDPSNSIARFCN1E.SMALL.jpg JeetS2 The Digilent Zybo board is built around Xilinx's Zynq SoC (System on Chip) part. This IC has a dual Arm-A9 cores that perform like any other microcontroller. What makes it special is that it also has FPGA hardware on the same IC as the processor. This tutorial was written using our experience from t...
By: JeetS2

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Wed, 10 Jun 2015 17:57:51 PDT
A Sleak Bench Power Supply From PC PSU http://www.instructables.com/id/A-Sleak-Bench-Power-Supply-From-PC-PSU/
A Sleak Bench Power Supply From PC PSU - More DIY How To Projects]]> http://cdn.instructables.com/F91/SAI2/IAS1YAK9/F91SAI2IAS1YAK9.SQUARE2.jpg http://cdn.instructables.com/F91/SAI2/IAS1YAK9/F91SAI2IAS1YAK9.SQUARE.jpg http://cdn.instructables.com/F91/SAI2/IAS1YAK9/F91SAI2IAS1YAK9.SMALL.jpg nickolae00 So I needed a bench top power supply and decided to make another PC power supply conversion tutorial. I used my CNC though, so this is less of a tutorial and more of a build log.I uploaded this here in the hope that anyone making one for themselves can perhaps take inspiration for there own build.pl...
By: nickolae00

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Wed, 10 Jun 2015 14:23:14 PDT
Automatic LED night light (Using 555 timer) http://www.instructables.com/id/Automatic-LED-night-light-Using-555-timer/
Automatic LED night light (Using 555 timer) - More DIY How To Projects]]> http://cdn.instructables.com/FVA/U54A/IAQMIPMQ/FVAU54AIAQMIPMQ.SQUARE2.jpg http://cdn.instructables.com/FVA/U54A/IAQMIPMQ/FVAU54AIAQMIPMQ.SQUARE.jpg http://cdn.instructables.com/FVA/U54A/IAQMIPMQ/FVAU54AIAQMIPMQ.SMALL.jpg Jayesh Jayesh Gently got power cut !And you finding your torch in the DARK !!! Ohh...No worry, here is the automatic dark detected led light. Parts You Need * 1M resistor* 1K resistor* 10 resistor* LDR (light dependant resistor)* Red led (2ma)* 1W white led* BC338 transistor* 555 timer IC* DC socketNote: Use d...
By: Jayesh Jayesh

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Wed, 10 Jun 2015 12:37:56 PDT
How to make a solar power table http://www.instructables.com/id/How-to-make-a-solar-power-table/
How to make a solar power table - More DIY How To Projects]]> http://cdn.instructables.com/FX8/B7BH/IAPAWADS/FX8B7BHIAPAWADS.SQUARE2.jpg http://cdn.instructables.com/FX8/B7BH/IAPAWADS/FX8B7BHIAPAWADS.SQUARE.jpg http://cdn.instructables.com/FX8/B7BH/IAPAWADS/FX8B7BHIAPAWADS.SMALL.jpg Ddudz This is a table/solar panel. If you ever find yourself in need of both, this guide is for you. Acquire a solar panel For our table, we chose to use a 12 volt solar panel with an ABS plastic frame for its durability and light weight, and because it came with a battery charger and electrical connec...
By: Ddudz

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Wed, 10 Jun 2015 08:50:17 PDT
RFID Shielding Pouch Out of 'Trash' http://www.instructables.com/id/Make-a-RFID-Shielding-Pouch-Out-of-Trash/
RFID Shielding Pouch Out of 'Trash' - More DIY How To Projects]]> http://cdn.instructables.com/FS6/PDO0/F7PCRZ4A/FS6PDO0F7PCRZ4A.SQUARE2.jpg http://cdn.instructables.com/FS6/PDO0/F7PCRZ4A/FS6PDO0F7PCRZ4A.SQUARE.jpg http://cdn.instructables.com/FS6/PDO0/F7PCRZ4A/FS6PDO0F7PCRZ4A.SMALL.jpg laras Choose when the digital info on your chipped passport and credit/ID cards is 'on' or 'off' by making a pouch or wallet that contains radio wave shielding/attenuating materials. This one is constructed from trash bags and cans of high-octane beverages consumed by real hackers. Wrapping yourself in a...
By: laras

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Wed, 17 Oct 2007 00:01:03 PDT
Reusable RC Paper Car http://www.instructables.com/id/Reusable-RC-Paper-Car/
Reusable RC Paper Car - More DIY How To Projects]]> http://cdn.instructables.com/F5W/R4VP/IANRYU9Y/F5WR4VPIANRYU9Y.SQUARE2.jpg http://cdn.instructables.com/F5W/R4VP/IANRYU9Y/F5WR4VPIANRYU9Y.SQUARE.jpg http://cdn.instructables.com/F5W/R4VP/IANRYU9Y/F5WR4VPIANRYU9Y.SMALL.jpg rcruz-2 Hi everyone!This is a step by step for making a remote control car using an old and out-of order car, trying to be more economical and practical the reusable RC as the title says is made of paper! that´s right making some papercraft is how you´ll make the design for your car , yeah ... paper and ...
By: rcruz-2

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Mon, 8 Jun 2015 21:51:23 PDT
12/24 volt Wind Turbine Power Station - Starts charging batteries in 2mph winds http://www.instructables.com/id/1224-volt-Wind-Turbine-Power-Station-Starts-chargi/
12/24 volt Wind Turbine Power Station - Starts charging batteries in 2mph winds - More DIY How To Projects]]> http://cdn.instructables.com/F38/SCKW/IANRWFMA/F38SCKWIANRWFMA.SQUARE2.jpg http://cdn.instructables.com/F38/SCKW/IANRWFMA/F38SCKWIANRWFMA.SQUARE.jpg http://cdn.instructables.com/F38/SCKW/IANRWFMA/F38SCKWIANRWFMA.SMALL.jpg TheBettaGarden This instructable shows how to build a complete standalone 12/24 volt Wind Powered Electrical Generator using old computer parts, a bike wheel, some wood, a coil and miscellaneous brackets and screws. Please vote for this project :)After reading the following article on how well a bike wheel could w...
By: TheBettaGarden

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Mon, 8 Jun 2015 17:59:19 PDT
15 Minute Joule Thief http://www.instructables.com/id/Joule-Thief-Explained/
15 Minute Joule Thief - More DIY How To Projects]]> http://cdn.instructables.com/F12/SY9M/IAINFVB7/F12SY9MIAINFVB7.SQUARE2.jpg http://cdn.instructables.com/F12/SY9M/IAINFVB7/F12SY9MIAINFVB7.SQUARE.jpg http://cdn.instructables.com/F12/SY9M/IAINFVB7/F12SY9MIAINFVB7.SMALL.jpg playmonkey This is an introduction into the operation of a Joule Thief and a brief look at it’s history. In November 1999 a simple circuit was published by Z. Kaparnik of a transformer-feedback single-transistor voltage converter in Everyday Practical Electronics magazine. The Joule Thief circuit is based on...
By: playmonkey

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Sat, 6 Jun 2015 12:07:22 PDT
install an extra car charger http://www.instructables.com/id/install-an-extra-car-charger/
install an extra car charger - More DIY How To Projects]]> http://cdn.instructables.com/FTF/K9VH/IAJNYGFZ/FTFK9VHIAJNYGFZ.SQUARE2.jpg http://cdn.instructables.com/FTF/K9VH/IAJNYGFZ/FTFK9VHIAJNYGFZ.SQUARE.jpg http://cdn.instructables.com/FTF/K9VH/IAJNYGFZ/FTFK9VHIAJNYGFZ.SMALL.jpg Conundrum2501 How many times have you been in the car with the kids, or your homies, or that hobo you picked up hitchhiking, and suddenly everyone and their brother needs to charge their phone... o_O and then to make matters worse you have to stretch a cable all the way to the back seat to be passed around like t...
By: Conundrum2501

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Fri, 5 Jun 2015 17:48:59 PDT
my homemade speaker http://www.instructables.com/id/my-homemade-speaker/
my homemade speaker - More DIY How To Projects]]> http://cdn.instructables.com/FF9/ET5S/IALX6H0D/FF9ET5SIALX6H0D.SQUARE2.jpg http://cdn.instructables.com/FF9/ET5S/IALX6H0D/FF9ET5SIALX6H0D.SQUARE.jpg http://cdn.instructables.com/FF9/ET5S/IALX6H0D/FF9ET5SIALX6H0D.SMALL.jpg ironpatriot66coc hello guys this is my 1st instructables I was quite inspired by this site to build thing so today I have built a home speaker you can power it using USB for supply of power 5 volt (use only 5 volt usb charger or a power bank only otherwise the ic of amplifier board will burn) I have built this thin...
By: ironpatriot66coc

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Sat, 6 Jun 2015 23:51:23 PDT
Cargador portátil http://www.instructables.com/id/Cargador-portátil-1/
Cargador portátil - More DIY How To Projects]]> http://cdn.instructables.com/FL4/LL5V/IAINCO02/FL4LL5VIAINCO02.SQUARE2.jpg http://cdn.instructables.com/FL4/LL5V/IAINCO02/FL4LL5VIAINCO02.SQUARE.jpg http://cdn.instructables.com/FL4/LL5V/IAINCO02/FL4LL5VIAINCO02.SMALL.jpg Chica Maker Te enseñamos como armamos este cargador portátil para tus dispositivos móviles. Estos son los materiales que utilizamos:- Kit Minty Boost v3 (lo puedes conseguir en adafruit) o si quieres verte muy pro, puedes armar tu propio circuito casero.- Una cajita de metal- 2 pilas AAAdicional a esto necesita...
By: Chica Maker

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Fri, 5 Jun 2015 08:18:24 PDT
DIY MIDI BASED CONTROLLER (DRUMS) - TOWER OF POWER http://www.instructables.com/id/DIY-MIDI-BASED-CONTROLLER-DRUMS-TOWER-OF-POWER/
DIY MIDI BASED CONTROLLER (DRUMS) - TOWER OF POWER - More DIY How To Projects]]> http://cdn.instructables.com/F8G/76JP/IAGMHHKY/F8G76JPIAGMHHKY.SQUARE2.jpg http://cdn.instructables.com/F8G/76JP/IAGMHHKY/F8G76JPIAGMHHKY.SQUARE.jpg http://cdn.instructables.com/F8G/76JP/IAGMHHKY/F8G76JPIAGMHHKY.SMALL.jpg Niki Filitonga Here are step-by-step instructions into making your very own Tower of Power !!! The Tower of Power is a new MIDI based controller in which you are able to perform your drum samples like the Bop It! Ever wanted to throw your MIDI controller around in your hands whilst being able to trigger your beats...
By: Niki Filitonga

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Wed, 3 Jun 2015 20:07:03 PDT
Make A Joule Thief Coil Without A Ferrite Toroid http://www.instructables.com/id/Make-A-Joule-Thief-Coil-Without-A-Ferrite-Toroid/
Make A Joule Thief Coil Without A Ferrite Toroid - More DIY How To Projects]]> http://cdn.instructables.com/FI7/PB2Z/IAG0Q3VE/FI7PB2ZIAG0Q3VE.SQUARE2.jpg http://cdn.instructables.com/FI7/PB2Z/IAG0Q3VE/FI7PB2ZIAG0Q3VE.SQUARE.jpg http://cdn.instructables.com/FI7/PB2Z/IAG0Q3VE/FI7PB2ZIAG0Q3VE.SMALL.jpg El Mano There are many different articles and videos to be found online that will teach you how to build a Joule Thief circuit and power LEDs off of dead batteries. Most of them, however, call for some form of coil made using a ring, or toroid, made of ferrite. This can be rather daunting to newcomers to ...
By: El Mano

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Wed, 3 Jun 2015 16:06:41 PDT
Short circuit protection for (almost) any power supply http://www.instructables.com/id/Short-circuit-protection-for-almost-any-power-supp/
Short circuit protection for (almost) any power supply - More DIY How To Projects]]> http://cdn.instructables.com/FS1/J2C7/IAG0D3KW/FS1J2C7IAG0D3KW.SQUARE2.jpg http://cdn.instructables.com/FS1/J2C7/IAG0D3KW/FS1J2C7IAG0D3KW.SQUARE.jpg http://cdn.instructables.com/FS1/J2C7/IAG0D3KW/FS1J2C7IAG0D3KW.SMALL.jpg TrichogasterAzul Hello, everyone! This instructable is about a universal short circuit protection that I've designed to use in bench power supplies. I've designed it to fit in most power supplies circuits. In order to this circuit fit in your bench power supply, you will need to do some calculations, but don't worry...
By: TrichogasterAzul

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Tue, 2 Jun 2015 21:46:21 PDT
How to Use Computer Registers - Lesson 1 - Bit Basics, Masking, Logic Operations http://www.instructables.com/id/How-to-Use-Computer-Registers-Lesson-1-Bit-Basics-/
How to Use Computer Registers - Lesson 1 - Bit Basics, Masking, Logic Operations - More DIY How To Projects]]> http://cdn.instructables.com/F9J/P9WL/IACE9EXN/F9JP9WLIACE9EXN.SQUARE2.jpg http://cdn.instructables.com/F9J/P9WL/IACE9EXN/F9JP9WLIACE9EXN.SQUARE.jpg http://cdn.instructables.com/F9J/P9WL/IACE9EXN/F9JP9WLIACE9EXN.SMALL.jpg JouleTime Computer registers are tricky to use but worth learning how to use. They look like numbers, but act like a series of check boxes. Every single bit can have a different function. Putting a 1 or a check will turn something on. Changing the 1 to a 0 will turn it off. But how to do you change just the t...
By: JouleTime

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Sun, 31 May 2015 18:15:47 PDT
How to make a proper Western Union solder joint http://www.instructables.com/id/How-to-make-a-proper-Western-Union-solder-joint/
How to make a proper Western Union solder joint - More DIY How To Projects]]> http://cdn.instructables.com/F75/FMLN/IABOP021/F75FMLNIABOP021.SQUARE2.jpg http://cdn.instructables.com/F75/FMLN/IABOP021/F75FMLNIABOP021.SQUARE.jpg http://cdn.instructables.com/F75/FMLN/IABOP021/F75FMLNIABOP021.SMALL.jpg izzyspeaks123 This is one of the harder solder joints to make. When I was in school this was my favorite solder joint. This joint is almost 100 years old and it's history goes back to the days of the telegraph. This was a common joint that linemen would use and when used with solid wire it does not require solder...
By: izzyspeaks123

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Sun, 31 May 2015 13:33:21 PDT
DIY phone cord reuse as ESD anti static wrist strap http://www.instructables.com/id/Phone-cord-reuse-as-ESD-anti-static-wrist-strap/
DIY phone cord reuse as ESD anti static wrist strap - More DIY How To Projects]]> http://cdn.instructables.com/FCE/ZWTU/IAAG5M27/FCEZWTUIAAG5M27.SQUARE2.jpg http://cdn.instructables.com/FCE/ZWTU/IAAG5M27/FCEZWTUIAAG5M27.SQUARE.jpg http://cdn.instructables.com/FCE/ZWTU/IAAG5M27/FCEZWTUIAAG5M27.SMALL.jpg chelseabun As an electrician, I know how ESD is a big problem for sensitive electronic components like ICs, PC mainboard, RAM, especially microchips ... The cost might be up to few thousands dollar to replace a damaged device, which is thing we want to avoid. Therefore I make 2 ESD wrist straps from old phone...
By: chelseabun

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Sat, 30 May 2015 12:58:40 PDT
DaVinci Vaporizer Battery Replacement http://www.instructables.com/id/DaVinci-Vaporizer-Battery-Replacement/
DaVinci Vaporizer Battery Replacement - More DIY How To Projects]]> http://cdn.instructables.com/FBV/LTF3/IA9H1HFF/FBVLTF3IA9H1HFF.SQUARE2.jpg http://cdn.instructables.com/FBV/LTF3/IA9H1HFF/FBVLTF3IA9H1HFF.SQUARE.jpg http://cdn.instructables.com/FBV/LTF3/IA9H1HFF/FBVLTF3IA9H1HFF.SMALL.jpg poctob Replacing old battery with a new Li-Po battery pack in original DaVinci Vaporizer.Disclaimer: This tutorial is not for the beginners. You should be proficient in soldering and have basic understanding of electricity and electronics. I take no responsibility for any damage that you may cause to you...
By: poctob

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Fri, 29 May 2015 09:24:00 PDT
TV Remote Controlled Paper Planes http://www.instructables.com/id/TV-Remote-Controlled-Paper-Planes/
TV Remote Controlled Paper Planes - More DIY How To Projects]]> http://cdn.instructables.com/FU7/6ZRW/IAMC1UT8/FU76ZRWIAMC1UT8.SQUARE2.jpg http://cdn.instructables.com/FU7/6ZRW/IAMC1UT8/FU76ZRWIAMC1UT8.SQUARE.jpg http://cdn.instructables.com/FU7/6ZRW/IAMC1UT8/FU76ZRWIAMC1UT8.SMALL.jpg Imetomi I love everything that flies. In my childhood I made a lot of paper airplanes, but they have a huge problem. After some minutes they fall down. So now I designed a small device that allows you to control the speed and the height of your airplane with a TV remote control. If you press any button on t...
By: Imetomi

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Thu, 28 May 2015 23:06:02 PDT
Cheap yet fun telegraph http://www.instructables.com/id/cheap-yet-fun-telagraph/
Cheap yet fun telegraph - More DIY How To Projects]]> http://cdn.instructables.com/FRQ/E9B1/IA8N5N5U/FRQE9B1IA8N5N5U.SQUARE2.jpg http://cdn.instructables.com/FRQ/E9B1/IA8N5N5U/FRQE9B1IA8N5N5U.SQUARE.jpg http://cdn.instructables.com/FRQ/E9B1/IA8N5N5U/FRQE9B1IA8N5N5U.SMALL.jpg snowdrop1101 In this instructable, I will show you how to make a cheap AM telegraph out of things around the house. Depending on how many 9 volt batteries you hook up to it, you will get a diferent range. WARNING, ELECTRICITY IS VERY DANGEROUS!!! DO NOT plug into a wall socket or use a car battery, in doing so m...
By: snowdrop1101

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Thu, 28 May 2015 15:56:12 PDT
How To Test Super Capacitors http://www.instructables.com/id/How-To-Test-Super-Capacitors/
How To Test Super Capacitors - More DIY How To Projects]]> http://cdn.instructables.com/F31/488F/IA760KF0/F31488FIA760KF0.SQUARE2.jpg http://cdn.instructables.com/F31/488F/IA760KF0/F31488FIA760KF0.SQUARE.jpg http://cdn.instructables.com/F31/488F/IA760KF0/F31488FIA760KF0.SMALL.jpg BrettHacks Did you get a great buy on Ebay? Or was that "super deal" a "super dud". Have you duplicated one-to-many of the sketchy YouTube super capacitor videos? Or, maybe you have a capacitor bank that has been in service for a while and just want to know how it is doing. Using limited test equipment and s...
By: BrettHacks

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Wed, 27 May 2015 21:34:57 PDT
RFduino Compass http://www.instructables.com/id/RFduino-Compass/
RFduino Compass - More DIY How To Projects]]> http://cdn.instructables.com/FUW/ZA3P/IA57GNUV/FUWZA3PIA57GNUV.SQUARE2.jpg http://cdn.instructables.com/FUW/ZA3P/IA57GNUV/FUWZA3PIA57GNUV.SQUARE.jpg http://cdn.instructables.com/FUW/ZA3P/IA57GNUV/FUWZA3PIA57GNUV.SMALL.jpg RFduino The RFduino compass is a fully functional stand-alone compass which also transmits the current heading via Bluetooth low energy technology to phones, tablets, personal computers or any other equipped device. The RFduino compass is known as a Bluetooth Smart device. Material Needed While other com...
By: RFduino

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Wed, 27 May 2015 09:54:53 PDT
Heat Sink For Diodes http://www.instructables.com/id/Heat-Sink-For-Diodes/
Heat Sink For Diodes - More DIY How To Projects]]> http://cdn.instructables.com/FJY/4VIM/IA58Q3LH/FJY4VIMIA58Q3LH.SQUARE2.jpg http://cdn.instructables.com/FJY/4VIM/IA58Q3LH/FJY4VIMIA58Q3LH.SQUARE.jpg http://cdn.instructables.com/FJY/4VIM/IA58Q3LH/FJY4VIMIA58Q3LH.SMALL.jpg Harris Naveed Where ever i want to reduce voltage i use rectifier diodes (1N4007), but the problems is that they get too much hot on passing too many ampere through them which may damage them. The only solution i found was to create heat sink to keep them cool. I used 2 series pair of 2 diodes, connected parallel...
By: Harris Naveed

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Wed, 27 May 2015 01:50:36 PDT
How to: Power (with Intel Edison) http://www.instructables.com/id/How-to-Power-with-Intel-Edison/
How to: Power (with Intel Edison) - More DIY How To Projects]]> http://cdn.instructables.com/F8R/JZC4/IA58KH8X/F8RJZC4IA58KH8X.SQUARE2.jpg http://cdn.instructables.com/F8R/JZC4/IA58KH8X/F8RJZC4IA58KH8X.SQUARE.jpg http://cdn.instructables.com/F8R/JZC4/IA58KH8X/F8RJZC4IA58KH8X.SMALL.jpg push_reset At the core of any electronic project is knowing how to power it and how long it will last. This Instructable focuses on how to power digital electronic projects that take low voltage. Basic components and principles will be gone over, such as AC vs. DC power, circuits in series and in parallel an...
By: push_reset

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Tue, 26 May 2015 14:36:10 PDT
Makey Makey: Don't Tap The White Tile http://www.instructables.com/id/Makey-Makey-Dont-Tap-The-White-Tile/
Makey Makey: Don't Tap The White Tile - More DIY How To Projects]]> http://cdn.instructables.com/F76/NQ83/IA56P5GS/F76NQ83IA56P5GS.SQUARE2.jpg http://cdn.instructables.com/F76/NQ83/IA56P5GS/F76NQ83IA56P5GS.SQUARE.jpg http://cdn.instructables.com/F76/NQ83/IA56P5GS/F76NQ83IA56P5GS.SMALL.jpg makerspace_burch Hi there, our creative friends! We are a group of 3 students from International Burch University, Sarajevo. We are having competition at our university in making Makey Makey projects. We decided to do this project because we think it is very interesting. We hope you will like it. :D Needed compon...
By: makerspace_burch

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Tue, 26 May 2015 05:38:21 PDT
Power adaptor http://www.instructables.com/id/Power-adaptor/
Power adaptor - More DIY How To Projects]]> http://cdn.instructables.com/F3E/RSFC/IA3VIGVR/F3ERSFCIA3VIGVR.SQUARE2.jpg http://cdn.instructables.com/F3E/RSFC/IA3VIGVR/F3ERSFCIA3VIGVR.SQUARE.jpg http://cdn.instructables.com/F3E/RSFC/IA3VIGVR/F3ERSFCIA3VIGVR.SMALL.jpg thunder_ir I use an old computer power supply to make a lab power adaptor. This power adaptor have fixed and variable voltage. A 5 Volt fix voltage and optional 3.3, 12 and -5 volt with high current outputs and short circuit protection.Part list: Crocodile clipsBinding posts (terminals) Galvanised plate Conect...
By: thunder_ir

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Tue, 26 May 2015 04:24:04 PDT
How to Automate ANY Temperature Controlled Process http://www.instructables.com/id/How-to-Automate-ANY-Temperature-Controlled-Process/
How to Automate ANY Temperature Controlled Process - More DIY How To Projects]]> http://cdn.instructables.com/FGB/WJ7Z/IA3VLIR6/FGBWJ7ZIA3VLIR6.SQUARE2.jpg http://cdn.instructables.com/FGB/WJ7Z/IA3VLIR6/FGBWJ7ZIA3VLIR6.SQUARE.jpg http://cdn.instructables.com/FGB/WJ7Z/IA3VLIR6/FGBWJ7ZIA3VLIR6.SMALL.jpg MechEngineerMike I'm going to show you how to build and use a device that will enable you to automatically control the temperature of any thermal process (heating OR cooling) to a very precise degree. Precision temperature control for both hot and cold applications is surprisingly easy to achieve with off-the-shelf...
By: MechEngineerMike

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Mon, 25 May 2015 13:21:45 PDT
Insane Ammo Can Speaker Build: The MOAB http://www.instructables.com/id/Insane-Ammo-Can-Speaker-Build-The-MOAB/
Insane Ammo Can Speaker Build: The MOAB - More DIY How To Projects]]> http://cdn.instructables.com/F5H/6OFO/IA0WMS29/F5H6OFOIA0WMS29.SQUARE2.jpg http://cdn.instructables.com/F5H/6OFO/IA0WMS29/F5H6OFOIA0WMS29.SQUARE.jpg http://cdn.instructables.com/F5H/6OFO/IA0WMS29/F5H6OFOIA0WMS29.SMALL.jpg spikec Warning!!!! This is not your everyday bluetooth speaker build...We've been perfecting the art of portable music systems here at the Check 6 Labs for several years (home of AmmoAudio.com and our popular Ammo Can X, an ammo can speaker made out of a 50 caliber ammo can). We recently put together a bu...
By: spikec

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Fri, 22 May 2015 17:11:53 PDT
RGB Led Color Mixer http://www.instructables.com/id/RGB-Led-Color-Mixer/
RGB Led Color Mixer - More DIY How To Projects]]> http://cdn.instructables.com/F46/7LIQ/IA0WHTCR/F467LIQIA0WHTCR.SQUARE2.jpg http://cdn.instructables.com/F46/7LIQ/IA0WHTCR/F467LIQIA0WHTCR.SQUARE.jpg http://cdn.instructables.com/F46/7LIQ/IA0WHTCR/F467LIQIA0WHTCR.SMALL.jpg simpletronic This simple RGB led color mixer uses NO microcontrollers ( Arduino - Pic etc ). It controls the brightness of each color channel by varying the duty cycle (On time vs OFF time) by a technique named PWM or pulse width modulation. This results in a very low power dissipation, as leds are either fully ...
By: simpletronic

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Sat, 23 May 2015 10:30:55 PDT
High Voltage Spark Gap Tiki Torch http://www.instructables.com/id/High-Voltage-Spark-Gap-Tiki-Torch/
High Voltage Spark Gap Tiki Torch - More DIY How To Projects]]> http://cdn.instructables.com/FQQ/A8B9/I9YRMOXU/FQQA8B9I9YRMOXU.SQUARE2.jpg http://cdn.instructables.com/FQQ/A8B9/I9YRMOXU/FQQA8B9I9YRMOXU.SQUARE.jpg http://cdn.instructables.com/FQQ/A8B9/I9YRMOXU/FQQA8B9I9YRMOXU.SMALL.jpg Proto G In this instructable I will show you how to make a high voltage spark gap tiki torch. The flame ignites when the voltage difference between the conductors exceeds the breakdown voltage of the surrounding air. The air in the gap becomes ionized and creates a pathway for the current to flow. Spark ...
By: Proto G

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Fri, 22 May 2015 14:33:02 PDT