Instructables: exploring - - test - popular http://www.instructables.com Sat, 3 Dec 2016 06:11:13 PST BLOX v1.01 Simple Transistor Tester http://www.instructables.com/id/Simple-Transistor-Tester-1/
Simple Transistor Tester - More DIY How To Projects]]> https://cdn.instructables.com/FVS/247D/IEEOGWQ4/FVS247DIEEOGWQ4.SQUARE2.jpg https://cdn.instructables.com/FVS/247D/IEEOGWQ4/FVS247DIEEOGWQ4.SQUARE.jpg https://cdn.instructables.com/FVS/247D/IEEOGWQ4/FVS247DIEEOGWQ4.SMALL.jpg cainvsc Hello hello ladies and gentlemen. like many of you I love to experiment with electronics. I love prototyping on a bread board as well as salvaging parts from pre - existing circuits. And like most people I tend to be forgetful and a trifle disorganized. This often leads to me having a small pile of ...
By: cainvsc

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Thu, 10 Sep 2015 19:06:15 PDT
How to benchmark an intel CPU http://www.instructables.com/id/How-to-benchmark-an-intel-CPU/
How to benchmark an intel CPU - More DIY How To Projects]]> https://cdn.instructables.com/FYR/D1H0/GO14CYVE/FYRD1H0GO14CYVE.SQUARE2.jpg https://cdn.instructables.com/FYR/D1H0/GO14CYVE/FYRD1H0GO14CYVE.SQUARE.jpg https://cdn.instructables.com/FYR/D1H0/GO14CYVE/FYRD1H0GO14CYVE.SMALL.jpg andy70707 Have you ever wanted a good comparative method to test the actual speed of your CPU? You can measure its physical speed in GHz, but it won't give you much idea as to how fast it can actually solve problems. For example, you can clock a Pentium 4 at 4GHz, but an i7 at 1GHz will probably be still a lo...
By: andy70707

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Wed, 25 May 2011 18:19:46 PDT
Silence your digital watch for stealthy standardized exam taking http://www.instructables.com/id/Silence-your-digital-watch-for-stealthy-standardiz/
Silence your digital watch for stealthy standardized exam taking - More DIY How To Projects]]> https://cdn.instructables.com/FER/2MM5/HF23WLOK/FER2MM5HF23WLOK.SQUARE2.jpg https://cdn.instructables.com/FER/2MM5/HF23WLOK/FER2MM5HF23WLOK.SQUARE.jpg https://cdn.instructables.com/FER/2MM5/HF23WLOK/FER2MM5HF23WLOK.SMALL.jpg ghwhitcher Purpose: Silence your digital watch beeps and alarms. Following this modification, your digital watch will be permanently silent. Method: Remove spring-diaphragm amplification Target audience: This is especially useful for standardized test takers (MCAT, SAT, LSAT, GRE, etc.) and others who need t...
By: ghwhitcher

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Thu, 4 Apr 2013 20:55:59 PDT
Amazing Fire Domino - 3000 Matches Chain Reaction!!!!!! http://www.instructables.com/id/Amazing-Fire-Domino-3000-Matches-Chain-Reaction/
Amazing Fire Domino - 3000 Matches Chain Reaction!!!!!! - More DIY How To Projects]]> https://cdn.instructables.com/FL1/2FWW/IMDQIYLY/FL12FWWIMDQIYLY.SQUARE2.jpg https://cdn.instructables.com/FL1/2FWW/IMDQIYLY/FL12FWWIMDQIYLY.SQUARE.jpg https://cdn.instructables.com/FL1/2FWW/IMDQIYLY/FL12FWWIMDQIYLY.SMALL.jpg MORENA DIY https://youtu.be/JrI2jPc3Yf4 To do a Amazing Fire Domino you need!!! Today I show you how to make Amazing Fire Domino - 3000 Matches Chain Reaction!!! I used a wood board, double-sided tape and 3000 matches. This is my first experiment to do Amazing Fire Domino from matches, it's very cool!!!...
By: MORENA DIY

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Tue, 29 Mar 2016 13:44:41 PDT
Resistor Color Code Guide http://www.instructables.com/id/Resistor-Color-Code-Guide/
Resistor Color Code Guide - More DIY How To Projects]]> https://cdn.instructables.com/FGG/TBC9/H4VQNQFG/FGGTBC9H4VQNQFG.SQUARE2.jpg https://cdn.instructables.com/FGG/TBC9/H4VQNQFG/FGGTBC9H4VQNQFG.SQUARE.jpg https://cdn.instructables.com/FGG/TBC9/H4VQNQFG/FGGTBC9H4VQNQFG.SMALL.gif BooRan This guide shows an easy illustration on using resistor color codes.  The image is fairly easy to understand up front, but I will provide some explanation. There are typically between 4 bans and 6 bands on a resistor.  You must be very careful when reading them because after a long day working some...
By: BooRan

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Wed, 25 Jul 2012 05:12:04 PDT
Variable DC Power Supply for <$15 http://www.instructables.com/id/Variable-DC-Power-Supply-for-15/
Variable DC Power Supply for <$15 - More DIY How To Projects]]> https://cdn.instructables.com/FA6/60TA/FABDYTNY/FA660TAFABDYTNY.SQUARE2.jpg https://cdn.instructables.com/FA6/60TA/FABDYTNY/FA660TAFABDYTNY.SQUARE.jpg https://cdn.instructables.com/FA6/60TA/FABDYTNY/FA660TAFABDYTNY.SMALL.jpg icinnamon Variable DC power supplies are critical to many electronics projects. You'll never have to go out and buy dozens of different single-voltage power supplies or battery configurations with this new unit. Professional units can cost hundreds of dollars, but now you can make one for less than $15! ...
By: icinnamon

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Thu, 20 Dec 2007 14:29:02 PST
Test Network and Internet Latency (Windows only) http://www.instructables.com/id/Test-Network-and-Internet-Latency-Windows-only/
Test Network and Internet Latency (Windows only) - More DIY How To Projects]]> https://cdn.instructables.com/FSR/FYSJ/FYYNE1ZP/FSRFYSJFYYNE1ZP.SQUARE2.jpg https://cdn.instructables.com/FSR/FYSJ/FYYNE1ZP/FSRFYSJFYYNE1ZP.SQUARE.jpg https://cdn.instructables.com/FSR/FYSJ/FYYNE1ZP/FSRFYSJFYYNE1ZP.SMALL.jpg mrmoneybagss First of all latency is aka. lag. This instructable will teach you how to check your connectivity to the network for windows. You will need the command prompt, aka. CMD, for this instructable. Disclaimer: I found this on WikiHow and thought I should share this with the Instructables community! The...
By: mrmoneybagss

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Mon, 31 Aug 2009 10:34:12 PDT
Crash Test Cars http://www.instructables.com/id/Teach-Engineering-Crash-Test-Racers/
Crash Test Cars - More DIY How To Projects]]> https://cdn.instructables.com/FEJ/4JXY/HW43ZKWM/FEJ4JXYHW43ZKWM.SQUARE2.jpg https://cdn.instructables.com/FEJ/4JXY/HW43ZKWM/FEJ4JXYHW43ZKWM.SQUARE.jpg https://cdn.instructables.com/FEJ/4JXY/HW43ZKWM/FEJ4JXYHW43ZKWM.SMALL.jpg LanceMakes If you enjoy these project, then I encourage you to buy my book, Rubber Band Engineer. It's full of more awesome and original projects crafted from household hardware. You can find it wherever books are sold.Everything I make: LanceMakes.comWe've all heard of the classic egg-drop engineering challe...
By: LanceMakes

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Sat, 14 Jan 2012 20:46:39 PST
Analysis of Variance (ANOVA) in R http://www.instructables.com/id/Analysis-of-Variance-ANOVA-in-R/
Analysis of Variance (ANOVA) in R - More DIY How To Projects]]> https://cdn.instructables.com/F1O/FIVY/GU63Y167/F1OFIVYGU63Y167.SQUARE2.jpg https://cdn.instructables.com/F1O/FIVY/GU63Y167/F1OFIVYGU63Y167.SQUARE.jpg https://cdn.instructables.com/F1O/FIVY/GU63Y167/F1OFIVYGU63Y167.SMALL.jpg Pseudopod This an instructable on how to do an Analysis of Variance test, commonly called ANOVA, in the statistics software R. ANOVA is a quick, easy way to rule out un-needed variables that contribute little to the explanation of a dependent variable. It is acessable and applicable to people outside of the ...
By: Pseudopod

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Wed, 26 Oct 2011 17:47:07 PDT
How to pull off the most efficient all-nighter! http://www.instructables.com/id/How-to-pull-off-the-best-and-healthiest-all-night/
How to pull off the most efficient all-nighter! - More DIY How To Projects]]> https://cdn.instructables.com/FGQ/FVHR/GDCUNRF1/FGQFVHRGDCUNRF1.SQUARE2.jpg https://cdn.instructables.com/FGQ/FVHR/GDCUNRF1/FGQFVHRGDCUNRF1.SQUARE.jpg https://cdn.instructables.com/FGQ/FVHR/GDCUNRF1/FGQFVHRGDCUNRF1.SMALL.jpg Kordan9090 This is written as if you're currently in the middle of an all-nighter looking for help, because sometimes you may need to stay up all night! Some Background: I'm a college student with a little sleeping problem: If I'm up past a certain point, I sleep through my morning alarm(s), no matter how lo...
By: Kordan9090

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Sat, 28 Aug 2010 02:34:50 PDT
How to use stress analysis in Autodesk Inventor to test your parts. http://www.instructables.com/id/How-to-use-stress-analysis-in-Autodesk-Inventor-to/
How to use stress analysis in Autodesk Inventor to test your parts. - More DIY How To Projects]]> https://cdn.instructables.com/F3Z/LJZP/H1JUITHO/F3ZLJZPH1JUITHO.SQUARE2.jpg https://cdn.instructables.com/F3Z/LJZP/H1JUITHO/F3ZLJZPH1JUITHO.SQUARE.jpg https://cdn.instructables.com/F3Z/LJZP/H1JUITHO/F3ZLJZPH1JUITHO.SMALL.jpg codyweston111 This is an intro to Autodesk Inventors stress analysis feature.  When making parts and assemblies it is extremely important to know where the critical stress and fail points are in your design.  The stress analysis feature removes the guesswork and over engineering in your design.   The two things ...
By: codyweston111

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Tue, 1 May 2012 14:01:06 PDT
Easy Science Fair Project http://www.instructables.com/id/Easy-Science-Fair-Project/
Easy Science Fair Project - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F38/GAMD/IEV84EBF/F38GAMDIEV84EBF.SQUARE2.jpg http://www.instructables.com/files/deriv/F38/GAMD/IEV84EBF/F38GAMDIEV84EBF.SQUARE.jpg http://www.instructables.com/files/deriv/F38/GAMD/IEV84EBF/F38GAMDIEV84EBF.SMALL.gif randofo Making a PH reactive liquid is an easy science fair project that could be made in a single evening with great results. This project requires little more than red cabbage and some basic household supplies. This project is an easy way to visually determine if a liquid or powder is an acid or a base. W...
By: randofo

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Tue, 22 Sep 2015 10:43:12 PDT
IR Detector http://www.instructables.com/id/IR-Detector/
IR Detector - More DIY How To Projects]]> https://cdn.instructables.com/FGU/514Z/FDO208QW/FGU514ZFDO208QW.SQUARE2.jpg https://cdn.instructables.com/FGU/514Z/FDO208QW/FGU514ZFDO208QW.SQUARE.jpg https://cdn.instructables.com/FGU/514Z/FDO208QW/FGU514ZFDO208QW.SMALL.jpg comodore In this Instructable I will show you how to make a simple infra red (IR) detector. When your TV stops responding to the remote it is hard to tell if the TV is broken or the remote doesn't work. With this little pocket-sized gadget you will know. Spying has become more and more accessible to the a...
By: comodore

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Sat, 15 Mar 2008 14:22:40 PDT
Peg Game IQ Test Solution http://www.instructables.com/id/Peg-Game-IQ-Test-Solution/
Peg Game IQ Test Solution - More DIY How To Projects]]> https://cdn.instructables.com/FCE/RNLU/FKX1CYA4/FCERNLUFKX1CYA4.SQUARE2.jpg https://cdn.instructables.com/FCE/RNLU/FKX1CYA4/FCERNLUFKX1CYA4.SQUARE.jpg https://cdn.instructables.com/FCE/RNLU/FKX1CYA4/FCERNLUFKX1CYA4.SMALL.jpg lobo_pal Many of you have probably seen the peg test game(a 5x5x5 triangle that has 14 pegs and 15 holes) at Cracker Barrel or in multiple game boxes at Wallmart, but can any of you solve it consistently? I can teach you a consistent way to solve it, though not the only way. There are many solutions. So don'...
By: lobo_pal

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Thu, 11 Sep 2008 14:31:36 PDT
DIY CONCRETE:: How-To-Mix Concrete http://www.instructables.com/id/DIY-CONCRETE-How-To-Mix-Concrete/
DIY CONCRETE:: How-To-Mix Concrete - More DIY How To Projects]]> https://cdn.instructables.com/FHN/YG5S/HFD1D4CZ/FHNYG5SHFD1D4CZ.SQUARE2.jpg https://cdn.instructables.com/FHN/YG5S/HFD1D4CZ/FHNYG5SHFD1D4CZ.SQUARE.jpg https://cdn.instructables.com/FHN/YG5S/HFD1D4CZ/FHNYG5SHFD1D4CZ.SMALL.jpg CHENG Concrete This Instructable will cover three ways to mix regular concrete, one way to mix glass-fiber-reinforced-concrete (GFRC), and instructions on performing a Slump Test to check the consistency of the concrete mix. The method you use will depend mostly on the size of your project, but also on what tools...
By: CHENG Concrete

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Fri, 19 Apr 2013 11:17:28 PDT
The Great Vinegar Experiment http://www.instructables.com/id/The-Great-Vinegar-Experiment/
The Great Vinegar Experiment - More DIY How To Projects]]> https://cdn.instructables.com/FK3/PUJF/IC6IG87D/FK3PUJFIC6IG87D.SQUARE2.jpg https://cdn.instructables.com/FK3/PUJF/IC6IG87D/FK3PUJFIC6IG87D.SQUARE.jpg https://cdn.instructables.com/FK3/PUJF/IC6IG87D/FK3PUJFIC6IG87D.SMALL.jpg Gregarious I have read many Instructables suggesting many ways to de-rust items.I have even tried a few with variable results, so I decided that it was time to do a definitive test.This is that test. The apparatus This could be done using any containers but I decided to make a neat set up using cut off and ...
By: Gregarious

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Mon, 20 Jul 2015 10:41:47 PDT
Basics of Batch Files http://www.instructables.com/id/Basics-of-Batch-Files/
Basics of Batch Files - More DIY How To Projects]]> https://cdn.instructables.com/FF7/7A4F/8Y2ES176AXM/FF77A4F8Y2ES176AXM.SQUARE2.jpg https://cdn.instructables.com/FF7/7A4F/8Y2ES176AXM/FF77A4F8Y2ES176AXM.SQUARE.jpg https://cdn.instructables.com/FF7/7A4F/8Y2ES176AXM/FF77A4F8Y2ES176AXM.SMALL.jpg Neodudeman IF YOU HAVE ANY QUESTIONS, PLEASE POST THEM ON MY BLOG:http://tamsanh.com/blog/2008/07/10/batch-tutorial-1-basics-of-batch-files/I don't visit Instructables anymore, so you will get a faster answer that way.Here is the basics of Batch files, specifically made for the group "Batch Lovers"Batches are ...
By: Neodudeman

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Sat, 16 Sep 2006 19:29:55 PDT
Easy Benchtop Power Supply http://www.instructables.com/id/Easy-Benchtop-Power-Supply/
Easy Benchtop Power Supply - More DIY How To Projects]]> https://cdn.instructables.com/FZN/UAXK/I70B32RG/FZNUAXKI70B32RG.SQUARE2.jpg https://cdn.instructables.com/FZN/UAXK/I70B32RG/FZNUAXKI70B32RG.SQUARE.jpg https://cdn.instructables.com/FZN/UAXK/I70B32RG/FZNUAXKI70B32RG.SMALL.jpg b1tbang3r This is a very simple way to make a pretty decent, but cheap benchtop power supply out of mostly old PC parts.I work for a pretty small computer company, and we end up scrapping a lot of old PCs with tons of still working parts. Getting 'old' power supplies and hard drives is free, as they are typic...
By: b1tbang3r

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Sun, 8 Mar 2015 23:34:47 PDT
Using Windows Command Prompt to Test Internet Connection http://www.instructables.com/id/Using-Windows-Command-Prompt-to-Test-Internet-Conn/
Using Windows Command Prompt to Test Internet Connection - More DIY How To Projects]]> https://cdn.instructables.com/FIH/U2J5/I6H7CYZ8/FIHU2J5I6H7CYZ8.SQUARE2.jpg https://cdn.instructables.com/FIH/U2J5/I6H7CYZ8/FIHU2J5I6H7CYZ8.SQUARE.jpg https://cdn.instructables.com/FIH/U2J5/I6H7CYZ8/FIHU2J5I6H7CYZ8.SMALL.jpg Mwsoverdick IntroductionThis guide will instruct you on how to use Windows Command Prompt to run the program "ping" to test your internet connection. This guide is intended for the basic computer user who desires a simple way to test their internet connection without installing any extra software.What is Ping?P...
By: Mwsoverdick

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Sun, 22 Feb 2015 20:07:28 PST
Super Light Quadcopter http://www.instructables.com/id/Super-Light-Quadcopter/
Super Light Quadcopter - More DIY How To Projects]]> https://cdn.instructables.com/FR1/7Q2H/I63EZAZE/FR17Q2HI63EZAZE.SQUARE2.jpg https://cdn.instructables.com/FR1/7Q2H/I63EZAZE/FR17Q2HI63EZAZE.SQUARE.jpg https://cdn.instructables.com/FR1/7Q2H/I63EZAZE/FR17Q2HI63EZAZE.SMALL.jpg Joohansson The aim of this project is to maximize the flight time/ battery life of the very famous Hubsan X4 quad-copter. This will show how you build your own for very low cost, simple to build and fun to play with. The 3D print is 100% designed by me for use with spare parts from the Hubsan H107L model. It c...
By: Joohansson

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Sat, 14 Feb 2015 09:52:27 PST
How to build a custom "bed of nails" tester for your 3D printer electronics http://www.instructables.com/id/How-to-build-a-custom-bed-of-nails-tester-for-your/
How to build a custom "bed of nails" tester for your 3D printer electronics - More DIY How To Projects]]> https://cdn.instructables.com/FMY/STN4/I3BHK6I7/FMYSTN4I3BHK6I7.SQUARE2.jpg https://cdn.instructables.com/FMY/STN4/I3BHK6I7/FMYSTN4I3BHK6I7.SQUARE.jpg https://cdn.instructables.com/FMY/STN4/I3BHK6I7/FMYSTN4I3BHK6I7.SMALL.jpg snifikino If you are manufacturing a lot of PCBs (Printed Circuit Board), you will want to have some sort of QA to ensure your boards are functional and without defects. The most popular method for in-circuit testing is the use of a bed of nails fixture. There are many very expensive solutions to that but you...
By: snifikino

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Mon, 8 Dec 2014 14:25:37 PST
Light Spectrometer from a "battery powered" head inspection lamp http://www.instructables.com/id/Light-Spectrometer-from-a-head-inspection-lamp/
Light Spectrometer from a "battery powered" head inspection lamp - More DIY How To Projects]]> https://cdn.instructables.com/F1J/OK8V/HXY66P6D/F1JOK8VHXY66P6D.SQUARE2.jpg https://cdn.instructables.com/F1J/OK8V/HXY66P6D/F1JOK8VHXY66P6D.SQUARE.jpg https://cdn.instructables.com/F1J/OK8V/HXY66P6D/F1JOK8VHXY66P6D.SMALL.jpg HUKBMBEAR Hello if you like this please take the time to vote in the competitionsTHANKSAt the end of my light sensing instructable where I played with the measurement of reducing sun light levels as well as making it into a laser game , I mentioned that I wanted to have a go at making a full spectrometer. Thi...
By: HUKBMBEAR

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Tue, 27 May 2014 14:28:46 PDT
What Battery Brand Provides Power the Longest? http://www.instructables.com/id/What-Battery-Brand-Provides-Power-the-Longest/
What Battery Brand Provides Power the Longest? - More DIY How To Projects]]> https://cdn.instructables.com/FZA/PT8S/HV3QBYHV/FZAPT8SHV3QBYHV.SQUARE2.jpg https://cdn.instructables.com/FZA/PT8S/HV3QBYHV/FZAPT8SHV3QBYHV.SQUARE.jpg https://cdn.instructables.com/FZA/PT8S/HV3QBYHV/FZAPT8SHV3QBYHV.SMALL.jpg DIYnosaur In this age of ubiquitous electronics, batteries have an astounding importance in our everyday lives. As we buy and use different brands, we come to wonder, "Which of these is actually the best? Is it worth it to go for a big name brand?" To answer these questions, I set up an experiment to test th...
By: DIYnosaur

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Wed, 14 May 2014 15:05:08 PDT
Make an Oscilloscope Using the SainSmart Mega2560 with the TFT LCD shield and the 3.5 "color touch screen http://www.instructables.com/id/Make-an-Oscilloscope-Using-the-SainSmart-Mega2560-/
Make an Oscilloscope Using the SainSmart Mega2560 with the TFT LCD shield and the 3.5 "color touch screen - More DIY How To Projects]]> https://cdn.instructables.com/FUJ/PX47/HWUJYX30/FUJPX47HWUJYX30.SQUARE2.jpg https://cdn.instructables.com/FUJ/PX47/HWUJYX30/FUJPX47HWUJYX30.SQUARE.jpg https://cdn.instructables.com/FUJ/PX47/HWUJYX30/FUJPX47HWUJYX30.SMALL.jpg johnag This instructable will show you how to build a portable Touch Screen Oscilloscope for less than 40 U$! The oscilloscope is one of the most powerful electronic instruments that is available to electronics hobbyist, experimenters, and engineers. It is mainly used to measue time-varying signals. Any...
By: johnag

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Fri, 11 Apr 2014 14:11:59 PDT
Portal Test Chamber Information Sign http://www.instructables.com/id/Portal-Test-Chamber-Information-Sign/
Portal Test Chamber Information Sign - More DIY How To Projects]]> https://cdn.instructables.com/FNS/L364/HHJO9HL5/FNSL364HHJO9HL5.SQUARE2.jpg https://cdn.instructables.com/FNS/L364/HHJO9HL5/FNSL364HHJO9HL5.SQUARE.jpg https://cdn.instructables.com/FNS/L364/HHJO9HL5/FNSL364HHJO9HL5.SMALL.jpg MrBobDobolina I wrote this up as a post on my blog Apathetic Thursday a few years ago, always meaning to get around to making a tutorial for instructables, but never got around to it. Until now.  This is a 2ft by 4ft back-lit sign, made to look like the Portal video game. (You probably already gathered that.) T...
By: MrBobDobolina

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Wed, 5 Jun 2013 19:49:48 PDT
Coin IQ Test Prank http://www.instructables.com/id/Coin-IQ-Test-Prank/
Coin IQ Test Prank - More DIY How To Projects]]> https://cdn.instructables.com/FYH/C6Y5/HEBNCBIM/FYHC6Y5HEBNCBIM.SQUARE2.jpg https://cdn.instructables.com/FYH/C6Y5/HEBNCBIM/FYHC6Y5HEBNCBIM.SQUARE.jpg https://cdn.instructables.com/FYH/C6Y5/HEBNCBIM/FYHC6Y5HEBNCBIM.SMALL.jpg M3G I love this prank. It's great for some laughs and works almost every time. The nature of it also means that no-one is likely to suspect it of being a prank. It works really well with an audience.  What You Need: - A coin - A good-natured victim - OK story-telling skills Setting the Stage - Wa...
By: M3G

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Wed, 13 Mar 2013 19:46:09 PDT
Learn The Alphabet Backwards in 5 MINUTES http://www.instructables.com/id/Learn-The-Alphabet-Backwards-in-5-MINUTES/
Learn The Alphabet Backwards in 5 MINUTES - More DIY How To Projects]]> https://cdn.instructables.com/FFN/EIUV/FJPYEW1I/FFNEIUVFJPYEW1I.SQUARE2.jpg https://cdn.instructables.com/FFN/EIUV/FJPYEW1I/FFNEIUVFJPYEW1I.SQUARE.jpg https://cdn.instructables.com/FFN/EIUV/FJPYEW1I/FFNEIUVFJPYEW1I.SMALL.jpg iMac In this instructable I will teach you several ways to easily learn the alphabet backwards in only 5 minutes using easy memory tricks. May it be for a bet, for impressing your friends, or passing a sobriety test, memorizing the alphabet backwards always comes in handy. Method One There are on...
By: iMac

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Tue, 12 Aug 2008 18:17:09 PDT
LED / Mini Lightbulb Tester http://www.instructables.com/id/LED-Mini-Lightbulb-Tester/
LED / Mini Lightbulb Tester - More DIY How To Projects]]> https://cdn.instructables.com/FHG/3BSW/HD7U0GM4/FHG3BSWHD7U0GM4.SQUARE2.jpg https://cdn.instructables.com/FHG/3BSW/HD7U0GM4/FHG3BSWHD7U0GM4.SQUARE.jpg https://cdn.instructables.com/FHG/3BSW/HD7U0GM4/FHG3BSWHD7U0GM4.SMALL.jpg sjroth Something I love to do is to take apart old, broken electronic devices and salvage parts from them. From many of these devices I get LEDs, and testing these can be very annoying if I don't have any 3V button cells lying around. I also occasionally use miniature lightbulbs for some projects or experi...
By: sjroth

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Fri, 1 Mar 2013 11:46:49 PST
How to Use a Circuit Tester http://www.instructables.com/id/How-to-Use-a-Circuit-Tester/
How to Use a Circuit Tester - More DIY How To Projects]]> https://cdn.instructables.com/FTA/J6X8/H6MEVKY1/FTAJ6X8H6MEVKY1.SQUARE2.jpg https://cdn.instructables.com/FTA/J6X8/H6MEVKY1/FTAJ6X8H6MEVKY1.SQUARE.jpg https://cdn.instructables.com/FTA/J6X8/H6MEVKY1/FTAJ6X8H6MEVKY1.SMALL.jpg The Family Handyman Use the two-lead circuit tester to check for voltage.  Place one lead on a live/hot wire (usually black, but can be any color other than green or white) and the other on a neutral (white) or ground (green or copper) wire, and the tester's light will turn on.  This confirms that you have a good, comp...
By: The Family Handyman

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Wed, 23 Jan 2013 14:46:19 PST
How to Use a Non-Contact Voltage Tester http://www.instructables.com/id/How-to-Use-a-Non-Contact-Voltage-Tester/
How to Use a Non-Contact Voltage Tester - More DIY How To Projects]]> https://cdn.instructables.com/FJH/K0YP/H6MF2NJ7/FJHK0YPH6MF2NJ7.SQUARE2.jpg https://cdn.instructables.com/FJH/K0YP/H6MF2NJ7/FJHK0YPH6MF2NJ7.SQUARE.jpg https://cdn.instructables.com/FJH/K0YP/H6MF2NJ7/FJHK0YPH6MF2NJ7.SMALL.jpg The Family Handyman A non-contact voltage tester is the safest way to make sure the power is off without touching any wires. Before you open an electrical box, you should:   - cut off power to the outlet at the main electrical panel   - confirm you turned off the right circuit This is where the non-contact voltage te...
By: The Family Handyman

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Tue, 8 Jan 2013 10:36:05 PST
SpokePOV: LED Bike Wheel Images http://www.instructables.com/id/SpokePOV%3a-LED-Bike-Wheel-Images/
SpokePOV: LED Bike Wheel Images - More DIY How To Projects]]> https://cdn.instructables.com/FNN/URDO/XT9EP27UC6Z/FNNURDOXT9EP27UC6Z.SQUARE2.jpg https://cdn.instructables.com/FNN/URDO/XT9EP27UC6Z/FNNURDOXT9EP27UC6Z.SQUARE.jpg https://cdn.instructables.com/FNN/URDO/XT9EP27UC6Z/FNNURDOXT9EP27UC6Z.SMALL.gif ladyada Spoke POV is an easy-to-make electronic kit toy that turns your bicycle wheel into a customized display! The project includes a free schematic design, open source software for uploading and editing stored bitmap images, and a high-quality kit with all the parts necessary to build your own. Tired: A...
By: ladyada

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Wed, 8 Mar 2006 12:15:14 PST
DIY Nut And Bolt Sizer http://www.instructables.com/id/DIY-Nut-And-Bolt-Sizer/
DIY Nut And Bolt Sizer - More DIY How To Projects]]> https://cdn.instructables.com/FYJ/Y3UO/H3NN9JMA/FYJY3UOH3NN9JMA.SQUARE2.jpg https://cdn.instructables.com/FYJ/Y3UO/H3NN9JMA/FYJY3UOH3NN9JMA.SQUARE.jpg https://cdn.instructables.com/FYJ/Y3UO/H3NN9JMA/FYJY3UOH3NN9JMA.SMALL.jpg 92greenyj Ever wish that you could have one of those nifty nut and bolt thread check/sizer gauges they have at Home Depot, Ace, etc? Well with a little time, you can have your very own in your home shop. There are commercial options available, but this one cost me a whole 15 bucks in materials. So follow alon...
By: 92greenyj

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Wed, 20 Jun 2012 12:06:18 PDT
Test Tube Spice Rack http://www.instructables.com/id/Test-Tube-Spice-Rack/
Test Tube Spice Rack - More DIY How To Projects]]> https://cdn.instructables.com/FBG/8MTO/GXUZEJ9E/FBG8MTOGXUZEJ9E.SQUARE2.jpg https://cdn.instructables.com/FBG/8MTO/GXUZEJ9E/FBG8MTOGXUZEJ9E.SQUARE.jpg https://cdn.instructables.com/FBG/8MTO/GXUZEJ9E/FBG8MTOGXUZEJ9E.SMALL.jpg noahw Here's a test tube spice rack that I made to hold all of my spices.  I tried to improve upon previous test tube spice racks that I've seen by using a nice looking piece of bamboo plywood and by using oversized O rings to "float" the tubes in the rack and eliminate the base plate.  Also, my kitchen i...
By: noahw

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Mon, 30 Jan 2012 12:44:32 PST
nitro coffee http://www.instructables.com/id/nitro-coffee/
nitro coffee - More DIY How To Projects]]> https://cdn.instructables.com/FW9/WI74/GPAS1WIR/FW9WI74GPAS1WIR.SQUARE2.jpg https://cdn.instructables.com/FW9/WI74/GPAS1WIR/FW9WI74GPAS1WIR.SQUARE.jpg https://cdn.instructables.com/FW9/WI74/GPAS1WIR/FW9WI74GPAS1WIR.SMALL.jpg mikeasaurus Sometimes the only thing to get me through a Monday is a strong cup of coffee, lately though regular coffee just hasn't been doing it. Even doubling down and getting doppio espresso has little effect. How can I enjoy a good stimulating brew if I've already built up a tolerance to caffeine? (and befo...
By: mikeasaurus

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Mon, 27 Jun 2011 11:01:02 PDT
(w/ Video) Basic Arduino Robot, Light Seeker! http://www.instructables.com/id/First-Arduino-Robot-Light-Seeker/
(w/ Video) Basic Arduino Robot, Light Seeker! - More DIY How To Projects]]> https://cdn.instructables.com/FL5/YH1Z/GLE1MKLC/FL5YH1ZGLE1MKLC.SQUARE2.jpg https://cdn.instructables.com/FL5/YH1Z/GLE1MKLC/FL5YH1ZGLE1MKLC.SQUARE.jpg https://cdn.instructables.com/FL5/YH1Z/GLE1MKLC/FL5YH1ZGLE1MKLC.SMALL.jpg Chowmix12 Many times I have Googled for "Arduino Robot" in hopes of finding a robot to build. I end up finding many versions of a obstacle avoiding robot that uses either an infrared or a sonar range finder sensor mounted on a servo to detect objects in its way while randomly roaming the area around it. The p...
By: Chowmix12

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Sat, 19 Mar 2011 20:34:36 PDT
LED Lamp with Test Tube http://www.instructables.com/id/LED-Lamp-with-Test-Tube/
LED Lamp with Test Tube - More DIY How To Projects]]> https://cdn.instructables.com/FDQ/YY6Z/GH6IFIBO/FDQYY6ZGH6IFIBO.SQUARE2.jpg https://cdn.instructables.com/FDQ/YY6Z/GH6IFIBO/FDQYY6ZGH6IFIBO.SQUARE.jpg https://cdn.instructables.com/FDQ/YY6Z/GH6IFIBO/FDQYY6ZGH6IFIBO.SMALL.jpg hassiimperatoretorres We will make a lamp with led`s inside the test tube. You can use the lamp in the room, desk or for ornament. The materials are: LEDS, Piece of Wood, Switch, Battery, Electric Cable, Liquid Silicone, Test Tubes. First of all, the form is drawn in the wood piece. Different kinds of designs can be...
By: hassiimperatoretorres

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Thu, 2 Dec 2010 08:31:33 PST
Cloth Covered Banana Cables http://www.instructables.com/id/Cloth-Covered-Banana-Cables/
Cloth Covered Banana Cables - More DIY How To Projects]]> https://cdn.instructables.com/FSX/GDDR/GDNIP4IE/FSXGDDRGDNIP4IE.SQUARE2.jpg https://cdn.instructables.com/FSX/GDDR/GDNIP4IE/FSXGDDRGDNIP4IE.SQUARE.jpg https://cdn.instructables.com/FSX/GDDR/GDNIP4IE/FSXGDDRGDNIP4IE.SMALL.jpg Aud1073cH I wanted some cool banana patch cables, and found it may be cheaper to make my own. I decided to cloth cover my cables to make them more comfortable and to match the vintage styled noise sound effect synthesizer I plan to build. Stackable banana cables are better, but I saved lots of money using n...
By: Aud1073cH

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Sat, 4 Sep 2010 23:35:02 PDT
Breathalyzer Microphone http://www.instructables.com/id/Breathalyzer-Microphone/
Breathalyzer Microphone - More DIY How To Projects]]> https://cdn.instructables.com/FUY/50LD/FJIVQWGV/FUY50LDFJIVQWGV.SQUARE2.jpg https://cdn.instructables.com/FUY/50LD/FJIVQWGV/FUY50LDFJIVQWGV.SQUARE.jpg https://cdn.instructables.com/FUY/50LD/FJIVQWGV/FUY50LDFJIVQWGV.SMALL.jpg randofo The breathalyzer microphone is a system for the inconscpicuous collection of blood-alcohol content level data sets. In other words, you can measure a person's sobriety with a device, that for all intents and purposes, looks no different than a standard microphone. This tool adds new dimensions of tr...
By: randofo

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Wed, 6 Aug 2008 16:04:24 PDT
DPScope - Build Your Own USB/PC-Based Oscilloscope http://www.instructables.com/id/DPScope-Build-Your-Own-USBPC-Based-Oscilloscope/
DPScope - Build Your Own USB/PC-Based Oscilloscope - More DIY How To Projects]]> https://cdn.instructables.com/FSU/Y9WL/G5KP876K/FSUY9WLG5KP876K.SQUARE2.jpg https://cdn.instructables.com/FSU/Y9WL/G5KP876K/FSUY9WLG5KP876K.SQUARE.jpg https://cdn.instructables.com/FSU/Y9WL/G5KP876K/FSUY9WLG5KP876K.SMALL.jpg womai Instrument Specifications Below you see the specifications of the instruments. If you are familiar with oscilloscopes you will see that the DPScope has pretty much all the features you'd expect from a decent lower-end instrument. If you aren't a number freak, feel free to skip this page as fas...
By: womai

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Fri, 19 Feb 2010 00:50:43 PST
Test Tube Flower Vase http://www.instructables.com/id/Test-Tube-Flower-Vase/
Test Tube Flower Vase - More DIY How To Projects]]> https://cdn.instructables.com/FBP/5KS8/G4E0XWXQ/FBP5KS8G4E0XWXQ.SQUARE2.jpg https://cdn.instructables.com/FBP/5KS8/G4E0XWXQ/FBP5KS8G4E0XWXQ.SQUARE.jpg https://cdn.instructables.com/FBP/5KS8/G4E0XWXQ/FBP5KS8G4E0XWXQ.SMALL.jpg noahw This is a variation on a flower vase that I've wanted to do for some time that uses test tubes to arrange individual flowers.  The sometimes daunting, monolith quality of the conventional flower bouquet is deconstructed and scientificified (Dear English Language, Please accept my word.  Best, Noah...
By: noahw

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Wed, 20 Jan 2010 12:45:14 PST
How to make a fretless guitar with a glass fretboard! http://www.instructables.com/id/How-to-make-a-fretless-guitar-with-a-glass-fretboa/
How to make a fretless guitar with a glass fretboard! - More DIY How To Projects]]> https://cdn.instructables.com/F9A/RHOP/FWBNLQDE/F9ARHOPFWBNLQDE.SQUARE2.jpg https://cdn.instructables.com/F9A/RHOP/FWBNLQDE/F9ARHOPFWBNLQDE.SQUARE.jpg https://cdn.instructables.com/F9A/RHOP/FWBNLQDE/F9ARHOPFWBNLQDE.SMALL.jpg guitarman63mm Well, I had an old archtop lying around, and being an advocate for the whole 'no guitar should ever die' bit, I decided to test an idea I had. Fretless guitars are interesting, but they lack sustain and bite. Sure, there are a few guitars with glass fretboards, but they're all electric! I wa...
By: guitarman63mm

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Wed, 24 Jun 2009 16:04:17 PDT