Instructables: exploring - technology - electronics - popular http://www.instructables.com Sun, 24 May 2015 06:17:41 PDT BLOX v1.01 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
Turn an old cellphone into a data sending device (using an arduino) http://www.instructables.com/id/Turn-an-old-cellphone-into-a-data-sending-device-u/
Turn an old cellphone into a data sending device (using an arduino) - More DIY How To Projects]]> http://cdn.instructables.com/F7G/ED5O/I9WM3RF9/F7GED5OI9WM3RF9.SQUARE2.jpg http://cdn.instructables.com/F7G/ED5O/I9WM3RF9/F7GED5OI9WM3RF9.SQUARE.jpg http://cdn.instructables.com/F7G/ED5O/I9WM3RF9/F7GED5OI9WM3RF9.SMALL.jpg Candymanproductions What will this device do?When complete, the combination of circuitry, arduino and modded cellphone will be able to autonomously send data through texts via the cellular network. This could be sensor data, for example from weather sensors.What am I going to show you in this tutorial?In this tutorial ...
By: Candymanproductions

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Wed, 20 May 2015 07:35:17 PDT
Touch Switch http://www.instructables.com/id/Touch-Switch/
Touch Switch - More DIY How To Projects]]> http://cdn.instructables.com/F1P/F46W/I9UDWWOR/F1PF46WI9UDWWOR.SQUARE2.jpg http://cdn.instructables.com/F1P/F46W/I9UDWWOR/F1PF46WI9UDWWOR.SQUARE.jpg http://cdn.instructables.com/F1P/F46W/I9UDWWOR/F1PF46WI9UDWWOR.SMALL.jpg Darp Raithatha The Switch which basically detects the touch & accordingly turns ON & OFF. Parts For Touch Switch we need 4 Parts as listed:-1) IRFZ44 (40..any IRFZ Series Mosfet) it is a Special type of MOSFET which holds its o/p. 2) Touch Plate. 3) Resistor of 470 ohm. 4) LED. Apart from this you also need a g...
By: Darp Raithatha

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Tue, 19 May 2015 01:48:45 PDT
Intro To Transformers http://www.instructables.com/id/Intro-To-Transformers/
Intro To Transformers - More DIY How To Projects]]> http://cdn.instructables.com/FYE/YNYZ/I9UDS71Q/FYEYNYZI9UDS71Q.SQUARE2.jpg http://cdn.instructables.com/FYE/YNYZ/I9UDS71Q/FYEYNYZI9UDS71Q.SQUARE.jpg http://cdn.instructables.com/FYE/YNYZ/I9UDS71Q/FYEYNYZI9UDS71Q.SMALL.jpg Aleator777 Although not commonly found in the average parts bin, transformers are nonetheless a fundamental electronic component that have some pretty interesting properties, namely converting, ehem, transforming, one voltage into another! Who'da thunk? In this instructable I'll briefly describe transformer de...
By: Aleator777

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Tue, 19 May 2015 14:29:04 PDT
GaussGun / Coil-Gun Electronics and Engineering Project http://www.instructables.com/id/GaussGun-Coil-Gun-Electronics-and-Engineering-Proj/
GaussGun / Coil-Gun Electronics and Engineering Project - More DIY How To Projects]]> http://cdn.instructables.com/F1W/XH1N/I9UDSH7Q/F1WXH1NI9UDSH7Q.SQUARE2.jpg http://cdn.instructables.com/F1W/XH1N/I9UDSH7Q/F1WXH1NI9UDSH7Q.SQUARE.jpg http://cdn.instructables.com/F1W/XH1N/I9UDSH7Q/F1WXH1NI9UDSH7Q.SMALL.jpg Ikkalebob I decided to do the Gold Crest Award at my college, which is a great certification from the British Science Association that gives students an opportunity to expand their knowledge of science, technology, engineering and maths by completing a project by themselves or with an experienced mentor of th...
By: Ikkalebob

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Tue, 19 May 2015 11:21:03 PDT
DIY PCB lab for under $35.00 http://www.instructables.com/id/DIY-PCB-lab-for-under-3500/
DIY PCB lab for under $35.00 - More DIY How To Projects]]> http://cdn.instructables.com/F53/M1NK/I9UDMC1P/F53M1NKI9UDMC1P.SQUARE2.jpg http://cdn.instructables.com/F53/M1NK/I9UDMC1P/F53M1NKI9UDMC1P.SQUARE.jpg http://cdn.instructables.com/F53/M1NK/I9UDMC1P/F53M1NKI9UDMC1P.SMALL.jpg silentbogo Greetings, fellow electronics hobbyists!In this instructable I am going to describe a very cheap and precise way of manufacturing PCBs at home.Unlike toner transfer, this method allows you to produce tracks as thin as 0.016" and is very useful when making two-sided boards(...and it does not require ...
By: silentbogo

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Tue, 19 May 2015 04:13:31 PDT
Design Circuit Boards Using Photoshop http://www.instructables.com/id/Design-Circuit-Boards-Using-Photoshop/
Design Circuit Boards Using Photoshop - More DIY How To Projects]]> http://cdn.instructables.com/FX5/8M3K/I9TRBW0F/FX58M3KI9TRBW0F.SQUARE2.jpg http://cdn.instructables.com/FX5/8M3K/I9TRBW0F/FX58M3KI9TRBW0F.SQUARE.jpg http://cdn.instructables.com/FX5/8M3K/I9TRBW0F/FX58M3KI9TRBW0F.SMALL.jpg DIY Hacks and How Tos The last step in building a new electronics project is to solder all the components onto a circuit board. You can use something as simple as a perf board or you can go all out and etch your own custom circuit board. Whatever you use, you need to figure out how the parts will be arranged on the board...
By: DIY Hacks and How Tos

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Mon, 18 May 2015 12:12:50 PDT
Buck Converter (DC-DC) http://www.instructables.com/id/Buck-Converter-DC-DC/
Buck Converter (DC-DC) - More DIY How To Projects]]> http://cdn.instructables.com/FUJ/V13U/I9SMRMQY/FUJV13UI9SMRMQY.SQUARE2.jpg http://cdn.instructables.com/FUJ/V13U/I9SMRMQY/FUJV13UI9SMRMQY.SQUARE.jpg http://cdn.instructables.com/FUJ/V13U/I9SMRMQY/FUJV13UI9SMRMQY.SMALL.jpg xKOBAYASHIMARUx Alright! So hello everyone! Long time user, follower, commenter but first time iblest here! So for my first instructable I thought I'd share a recent simple project I made; a Buck Converter.Buck Converters are great! I use them all over the place in many of my nerdy, techy, geeky hobbiest projects. ...
By: xKOBAYASHIMARUx

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Sun, 17 May 2015 16:21:35 PDT
Internet-connected home energy monitor http://www.instructables.com/id/Internet-connected-home-energy-monitor/
Internet-connected home energy monitor - More DIY How To Projects]]> http://cdn.instructables.com/F3B/CW69/I9SMQ6VS/F3BCW69I9SMQ6VS.SQUARE2.jpg http://cdn.instructables.com/F3B/CW69/I9SMQ6VS/F3BCW69I9SMQ6VS.SQUARE.jpg http://cdn.instructables.com/F3B/CW69/I9SMQ6VS/F3BCW69I9SMQ6VS.SMALL.jpg TheSpodShed This is a magic box which will let you monitor the power consumption of your house from anywhere on the Internet! It measures both true power (Watts) and apparent (VA) power, it keeps a running total of electricity units used, and measures mains frequency as a bonus.The project uses a Particle Core(...
By: TheSpodShed

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Sun, 17 May 2015 13:30:26 PDT
PCB designing and isolation milling using only free Software http://www.instructables.com/id/PCB-designing-and-isolationmilling-only-using-free/
PCB designing and isolation milling using only free Software - More DIY How To Projects]]> http://cdn.instructables.com/FL6/7VAI/I9RLBMC2/FL67VAII9RLBMC2.SQUARE2.jpg http://cdn.instructables.com/FL6/7VAI/I9RLBMC2/FL67VAII9RLBMC2.SQUARE.jpg http://cdn.instructables.com/FL6/7VAI/I9RLBMC2/FL67VAII9RLBMC2.SMALL.jpg ähöüokul In this Instructable I will show you how to design and fabricate your own PCBs, exclusively using free software that runs on Windows as well as on a Mac.Things you need: computer with internet connection cnc mill/router, the more accurate the better 45°/20° V-Bit 0.8mm drill bit 3mm endmill ...
By: ähöüokul

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Sun, 17 May 2015 11:17:01 PDT
Arduino-Programmable LED Infinity Mirror http://www.instructables.com/id/Arduino-Programmable-LED-Infinity-Mirror/
Arduino-Programmable LED Infinity Mirror - More DIY How To Projects]]> http://cdn.instructables.com/FLC/VA0A/I9Q9C7UI/FLCVA0AI9Q9C7UI.SQUARE2.jpg http://cdn.instructables.com/FLC/VA0A/I9Q9C7UI/FLCVA0AI9Q9C7UI.SQUARE.jpg http://cdn.instructables.com/FLC/VA0A/I9Q9C7UI/FLCVA0AI9Q9C7UI.SMALL.jpg jjahn3 Are you tired of looking at room elements that appear to have finite depth?Maybe you should consider building your own Arduino-Programmable LED Infinity Mirror!This optical illusion is an eye-catcher and offers lots of room for customization and cool programming. Additionally, at the end plans are i...
By: jjahn3

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Sat, 16 May 2015 00:01:53 PDT
Flux Lamp http://www.instructables.com/id/Flux-Lamp/
Flux Lamp - More DIY How To Projects]]> http://cdn.instructables.com/FTV/DHIW/I9NE1AYW/FTVDHIWI9NE1AYW.SQUARE2.jpg http://cdn.instructables.com/FTV/DHIW/I9NE1AYW/FTVDHIWI9NE1AYW.SQUARE.jpg http://cdn.instructables.com/FTV/DHIW/I9NE1AYW/FTVDHIWI9NE1AYW.SMALL.jpg hannah.bishop For our electronics project, we worked on a lamp inspired by f.lux. Just as f.lux allows users to have different screen colors for day and night, our lamp gives people better control over their room lighting. Not only can users set the color temperature for both the day and the night, they can also ...
By: hannah.bishop

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Fri, 15 May 2015 13:14:01 PDT
How to use a potentiometer as a voltage divider. http://www.instructables.com/id/How-to-use-a-potentiometer-as-a-voltage-divider/
How to use a potentiometer as a voltage divider. - More DIY How To Projects]]> http://cdn.instructables.com/FB7/KFHH/I9OSR9SJ/FB7KFHHI9OSR9SJ.SQUARE2.jpg http://cdn.instructables.com/FB7/KFHH/I9OSR9SJ/FB7KFHHI9OSR9SJ.SQUARE.jpg http://cdn.instructables.com/FB7/KFHH/I9OSR9SJ/FB7KFHHI9OSR9SJ.SMALL.jpg bweaver6 Hello and WelcomeThis Instructable is going to be short and sweet. I would like to share with you the power of potentiometers. A simple component that can be used as a voltage divider. You may be saying to yourself, "Duh, everyone knows that!" Well, unfortunately, this simple concept escaped many of...
By: bweaver6

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Thu, 14 May 2015 19:46:42 PDT
Build a Simple Circuit from a Pizza Box (No Soldering) http://www.instructables.com/id/Build-a-Simple-Circuit-from-a-Pizza-Box-No-Solder/
Build a Simple Circuit from a Pizza Box (No Soldering) - More DIY How To Projects]]> http://cdn.instructables.com/FAI/V88I/GVU6OGKF/FAIV88IGVU6OGKF.SQUARE2.jpg http://cdn.instructables.com/FAI/V88I/GVU6OGKF/FAIV88IGVU6OGKF.SQUARE.jpg http://cdn.instructables.com/FAI/V88I/GVU6OGKF/FAIV88IGVU6OGKF.SMALL.jpg matt.e.jenkins I learn best through tactile teaching methods.  Teaching and learning basic circuits, electronics, and electricity from books is good, but why not build a simple circuit from scratch and learn from doing.  This is a great way to get hands on and teach/learn the basics of electricity.  With this proj...
By: matt.e.jenkins

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Tue, 6 Dec 2011 13:47:25 PST
Rapid Prototyping with Polymer Clay http://www.instructables.com/id/Prototyping-with-Polymer-Clay/
Rapid Prototyping with Polymer Clay - More DIY How To Projects]]> http://cdn.instructables.com/FNC/3DJX/I9JR5TD2/FNC3DJXI9JR5TD2.SQUARE2.jpg http://cdn.instructables.com/FNC/3DJX/I9JR5TD2/FNC3DJXI9JR5TD2.SQUARE.jpg http://cdn.instructables.com/FNC/3DJX/I9JR5TD2/FNC3DJXI9JR5TD2.SMALL.jpg Proto G Polymer clay is a great material to use for rapid prototyping your projects. It is very heat resistant and does not dry out unless baked. I use it to make temporary enclosures, to help with soldering and as a third hand to hold things in place. I love to use it when soldering a ton of through hol...
By: Proto G

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Mon, 11 May 2015 13:01:03 PDT
How to fabricate a lunch box into a dual 0-12VDC power supply. http://www.instructables.com/id/How-to-fabricate-a-lunch-box-into-a-dual-0-12VDC-p/
How to fabricate a lunch box into a dual 0-12VDC power supply. - More DIY How To Projects]]> http://cdn.instructables.com/FGJ/20FI/I9UDIVRX/FGJ20FII9UDIVRX.SQUARE2.jpg http://cdn.instructables.com/FGJ/20FI/I9UDIVRX/FGJ20FII9UDIVRX.SQUARE.jpg http://cdn.instructables.com/FGJ/20FI/I9UDIVRX/FGJ20FII9UDIVRX.SMALL.jpg bweaver6 Preface:Hello and welcome to my Instructable.I am a first year Electronic Engineering student and was given the opportunity to build a power supply. I was immediately fascinated but wanted to make more than a run of mill project. My original idea was to use a cigar box and pack as much into a small ...
By: bweaver6

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Tue, 12 May 2015 17:52:18 PDT
Direction projection http://www.instructables.com/id/Direction-projection/
Direction projection - More DIY How To Projects]]> http://cdn.instructables.com/FPT/JLDJ/I10JGMH3/FPTJLDJI10JGMH3.SQUARE2.jpg http://cdn.instructables.com/FPT/JLDJ/I10JGMH3/FPTJLDJI10JGMH3.SQUARE.jpg http://cdn.instructables.com/FPT/JLDJ/I10JGMH3/FPTJLDJI10JGMH3.SMALL.jpg mikeasaurus Get where you need to go without taking your eyes off the road with a rooftop directional projection system. This conceptual technology project explores the idea of keeping your eyes on the road and forecasting directional changes at the same time.This prototype uses a rooftop mounted projector wire...
By: mikeasaurus

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Mon, 11 May 2015 08:23:00 PDT
10Amp Linear Power Supply http://www.instructables.com/id/10Amp-Linear-Power-Supply/
10Amp Linear Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/F9B/ZAPC/I9ISWWJ4/F9BZAPCI9ISWWJ4.SQUARE2.jpg http://cdn.instructables.com/F9B/ZAPC/I9ISWWJ4/F9BZAPCI9ISWWJ4.SQUARE.jpg http://cdn.instructables.com/F9B/ZAPC/I9ISWWJ4/F9BZAPCI9ISWWJ4.SMALL.jpg vazerick Why do it for 3 when we can design for 10?! At college we were in charge of designing a 3 Amp power supply, but I was seeking for a challenge, not a grade!Overcomplicating this kind of “simple” projects can make your life a bit harder but way more exiting, and the rewards just have no price, you wil...
By: vazerick

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Sun, 10 May 2015 21:06:27 PDT
Advanced USB Battery Charger http://www.instructables.com/id/Advanced-USB-Battery-Charger/
Advanced USB Battery Charger - More DIY How To Projects]]> http://cdn.instructables.com/FAZ/82AS/I9GWD27P/FAZ82ASI9GWD27P.SQUARE2.jpg http://cdn.instructables.com/FAZ/82AS/I9GWD27P/FAZ82ASI9GWD27P.SQUARE.jpg http://cdn.instructables.com/FAZ/82AS/I9GWD27P/FAZ82ASI9GWD27P.SMALL.jpg amod_sachintha Hello everybody,Charging devices off USB ports on computers has always been a quite a bit of a hassle to me. This I say because I own 2 mp3 players and soon I’m going to own and Amazon Kindle. So I began on building up a power adapter to recharge my devices rather than buying it from somewhere. The ...
By: amod_sachintha

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Sat, 9 May 2015 01:51:21 PDT
Inexpensive Variable Power Supply http://www.instructables.com/id/Inexpensive-Variable-Power-Supply/
Inexpensive Variable Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FF5/5FOG/I9GW695N/FF55FOGI9GW695N.SQUARE2.jpg http://cdn.instructables.com/FF5/5FOG/I9GW695N/FF55FOGI9GW695N.SQUARE.jpg http://cdn.instructables.com/FF5/5FOG/I9GW695N/FF55FOGI9GW695N.SMALL.jpg kumaran512 Introduction.Simple Power supply from LM2596 assembled module.Can give output up to 35V. Range 1.25V - 35VCurrent up to safe 2.5A Designed with 1. 2 Banana jacks for output2. 1 Ammeter connection + its output3. 1 External Voltmeter Connection (Can be used for output also)4. USB output via Ammeter co...
By: kumaran512

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Sat, 9 May 2015 05:59:24 PDT
The Enigma Switch Box http://www.instructables.com/id/The-Enigma-Switch-Box/
The Enigma Switch Box - More DIY How To Projects]]> http://cdn.instructables.com/F6S/XTMO/I9GWB3MP/F6SXTMOI9GWB3MP.SQUARE2.jpg http://cdn.instructables.com/F6S/XTMO/I9GWB3MP/F6SXTMOI9GWB3MP.SQUARE.jpg http://cdn.instructables.com/F6S/XTMO/I9GWB3MP/F6SXTMOI9GWB3MP.SMALL.jpg Proto G I was fortunate enough to obtain a very large collection of switches, buttons, knobs, and potentiometers from nearby closing RadioShacks. I made this switch board into a puzzle by attaching a battery and wiring the switches so that only a certain combination would turn on the lights. It is a very ...
By: Proto G

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Sat, 9 May 2015 17:42:01 PDT
Simple External Telephone Ringer http://www.instructables.com/id/Simple-External-Telephone-Ringer/
Simple External Telephone Ringer - More DIY How To Projects]]> http://cdn.instructables.com/FT2/5SFJ/I9E1EGOA/FT25SFJI9E1EGOA.SQUARE2.jpg http://cdn.instructables.com/FT2/5SFJ/I9E1EGOA/FT25SFJI9E1EGOA.SQUARE.jpg http://cdn.instructables.com/FT2/5SFJ/I9E1EGOA/FT25SFJI9E1EGOA.SMALL.jpg fletcherjeremiah This is a simple external ringer for a landline telephone. Have you ever missed an important call because you didn't hear the phone? Or maybe you'd rather not wait by the phone for that special someone? Then this is exactly what you need! This ringer will allow you to hear incoming calls throughout ...
By: fletcherjeremiah

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Thu, 7 May 2015 14:19:20 PDT
Off-the-grid camera beacon with solar panels http://www.instructables.com/id/Off-the-grid-camera-beacon-with-solar-panels/
Off-the-grid camera beacon with solar panels - More DIY How To Projects]]> http://cdn.instructables.com/F51/M5CX/I92LXJ8S/F51M5CXI92LXJ8S.SQUARE2.jpg http://cdn.instructables.com/F51/M5CX/I92LXJ8S/F51M5CXI92LXJ8S.SQUARE.jpg http://cdn.instructables.com/F51/M5CX/I92LXJ8S/F51M5CXI92LXJ8S.SMALL.jpg hackbp A beacon is such a radio transmitter that transmits signals in regular intervals to perform various radio measurements. The transmisison usually carries morse code, but as you'll see in this instructable, it can include a live image taken by a small camera. Since the device will transmit using a sim...
By: hackbp

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Thu, 30 Apr 2015 02:32:55 PDT
10 Breadboard Projects For Beginners http://www.instructables.com/id/Ten-Breadboard-Projects-For-Beginners/
10 Breadboard Projects For Beginners - More DIY How To Projects]]> http://cdn.instructables.com/FOG/K6G1/I9TR90P0/FOGK6G1I9TR90P0.SQUARE2.jpg http://cdn.instructables.com/FOG/K6G1/I9TR90P0/FOGK6G1I9TR90P0.SQUARE.jpg http://cdn.instructables.com/FOG/K6G1/I9TR90P0/FOGK6G1I9TR90P0.SMALL.jpg Saiyam Use of arduino in this instructable is prohibited :DBreadboard is a great way to construct electronic projects easily and in less time without the need of soldering. A problem that is faced by beginners in the field of electronics is that they cannot solder the components neatly on printed circuit b...
By: Saiyam

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Wed, 6 May 2015 10:07:21 PDT
ohm's law http://www.instructables.com/id/ohms-law-2/ http://cdn.instructables.com/FI0/278Y/H4AG4YT6/FI0278YH4AG4YT6.SQUARE2.jpg http://cdn.instructables.com/FI0/278Y/H4AG4YT6/FI0278YH4AG4YT6.SQUARE.jpg http://cdn.instructables.com/FI0/278Y/H4AG4YT6/FI0278YH4AG4YT6.SMALL.gif dhruvil_patel FIG:--1Ohm's Law deals with the relationship between voltage and current in an ideal conductor. This relationship states that: The potential difference (voltage) across an ideal conductor is proportional to the current through it. The constant of proportionality is called the "resistance", R. Ohm...
By: dhruvil_patel

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Sun, 8 Jul 2012 06:47:30 PDT
Resisitor color code http://www.instructables.com/id/Resisitor-color-code/ http://cdn.instructables.com/FFD/ABNZ/H4AG55DB/FFDABNZH4AG55DB.SQUARE2.jpg http://cdn.instructables.com/FFD/ABNZ/H4AG55DB/FFDABNZH4AG55DB.SQUARE.jpg http://cdn.instructables.com/FFD/ABNZ/H4AG55DB/FFDABNZH4AG55DB.SMALL.jpg dhruvil_patel In resistor color coding first we have resistor of 4bands in this the first 3band are near and lest one are far... last band use for tollerance. The Resistor is shown in fig 1 Band is BROWN 2 Band is BLACK 3 Band is ORANGE 4 Band is GOLD now,,, 1st and 2nd are digit so, 1 Band is BROWN number f...
By: dhruvil_patel

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Wed, 11 Jul 2012 07:27:24 PDT
PC Switch Panel http://www.instructables.com/id/PC-Switch-Panel/
PC Switch Panel - More DIY How To Projects]]> http://cdn.instructables.com/FH9/OWKT/I95GW4M0/FH9OWKTI95GW4M0.SQUARE2.jpg http://cdn.instructables.com/FH9/OWKT/I95GW4M0/FH9OWKTI95GW4M0.SQUARE.jpg http://cdn.instructables.com/FH9/OWKT/I95GW4M0/FH9OWKTI95GW4M0.SMALL.jpg Draxxy1974 Ever wanted to be able to control your pc functions from the outside of your case using a DIY switch panel? .. Well stop wondering how!Hardly any materials were used in the making of my switch panel, but I can't give a price as all of the items used were already in my workshop.Part List: 5 x MTS-1 ...
By: Draxxy1974

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Sat, 2 May 2015 17:24:02 PDT
Build your own Variable Lab Bench Power Supply http://www.instructables.com/id/Build-your-own-Variable-Lab-Bench-Power-Supply/
Build your own Variable Lab Bench Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FLT/CJBV/I98BK2OE/FLTCJBVI98BK2OE.SQUARE2.jpg http://cdn.instructables.com/FLT/CJBV/I98BK2OE/FLTCJBVI98BK2OE.SQUARE.jpg http://cdn.instructables.com/FLT/CJBV/I98BK2OE/FLTCJBVI98BK2OE.SMALL.jpg GreatScottLab In this project I will show you how I combined a LTC3780, which is a powerful 130W Step Up/Step Down converter, with a 12V 5A power supply to create an adjustable lab bench power supply (0.8V-29.4V || 0.3A-6A). The performance is quite good in comparison with other models which cost around the same....
By: GreatScottLab

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Sun, 3 May 2015 06:26:44 PDT
How To Charge Your Phone In 5 minutes With Supercapacitor under 12$ !!! http://www.instructables.com/id/How-To-Charge-Your-Phone-In-5-minutes/
How To Charge Your Phone In 5 minutes With Supercapacitor under 12$ !!! - More DIY How To Projects]]> http://cdn.instructables.com/FGO/LJ5Y/I98BJYC3/FGOLJ5YI98BJYC3.SQUARE2.jpg http://cdn.instructables.com/FGO/LJ5Y/I98BJYC3/FGOLJ5YI98BJYC3.SQUARE.jpg http://cdn.instructables.com/FGO/LJ5Y/I98BJYC3/FGOLJ5YI98BJYC3.SMALL.jpg kedar264 Do you know ? Ac Outlet has enough power to charge your cell phone in just 5 minutes or even less than that, but the batteries inside your phone does not have ability to accept all the power you give to itWell supercapacitor just do that ,supercapacitors can accept all the power you feed it just lik...
By: kedar264

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Sun, 3 May 2015 07:02:02 PDT
Fading RGB Keyboard Light http://www.instructables.com/id/Fading-RGB-Keyboard-Light/
Fading RGB Keyboard Light - More DIY How To Projects]]> http://cdn.instructables.com/FD3/51OT/I95GSBGX/FD351OTI95GSBGX.SQUARE2.jpg http://cdn.instructables.com/FD3/51OT/I95GSBGX/FD351OTI95GSBGX.SQUARE.jpg http://cdn.instructables.com/FD3/51OT/I95GSBGX/FD351OTI95GSBGX.SMALL.jpg PopsicleGhoul Old electronics are widely available and can usually be recycled into cool gadgets and incorporated into other projects. This Instructable will go through the process of using an old scanner to make a fading rainbow keyboard light. The inspiration for this project came when I was playing with the ...
By: PopsicleGhoul

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Fri, 1 May 2015 14:00:14 PDT
Design Your Own PCB Business Card http://www.instructables.com/id/Design-Your-Own-PCB-Business-Card/
Design Your Own PCB Business Card - More DIY How To Projects]]> http://cdn.instructables.com/FKW/ID6V/I93F6ZI9/FKWID6VI93F6ZI9.SQUARE2.jpg http://cdn.instructables.com/FKW/ID6V/I93F6ZI9/FKWID6VI93F6ZI9.SQUARE.jpg http://cdn.instructables.com/FKW/ID6V/I93F6ZI9/FKWID6VI93F6ZI9.SMALL.jpg Proto G In this instructable I am going to show you how to make your own printed circuit board business card. I feel that these business cards will really help you stand out from the crowd and make a great impression. It might even add one more skill to your resume. Everyone that I have given these cards ...
By: Proto G

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Wed, 29 Apr 2015 19:42:46 PDT
FURY BALLS [<10$] [< 5 Min. To Make] http://www.instructables.com/id/FURY-BALLS-10-5-Min-To-Make/
FURY BALLS [<10$] [< 5 Min. To Make] - More DIY How To Projects]]> http://cdn.instructables.com/FVS/D6D6/I92LTYC6/FVSD6D6I92LTYC6.SQUARE2.jpg http://cdn.instructables.com/FVS/D6D6/I92LTYC6/FVSD6D6I92LTYC6.SQUARE.jpg http://cdn.instructables.com/FVS/D6D6/I92LTYC6/FVSD6D6I92LTYC6.SMALL.jpg shauryarobots These fury balls add beauty to you BACKYARD or GARDEN & are VERY VERY EASY TO MAKE it. These Balls will just Cost UNDER 10$ only. These are PORTABLE & can be kept anywhere in the backyard to increase the beauty. People of ANY AGE can make these balls in no time. Materials Required 1. White Glass...
By: shauryarobots

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Wed, 29 Apr 2015 13:01:02 PDT
Getting more I/O pins on ATTiny with Shift Registers http://www.instructables.com/id/Getting-more-IO-pins-on-ATTiny-with-Shift-Register/
Getting more I/O pins on ATTiny with Shift Registers - More DIY How To Projects]]> http://cdn.instructables.com/FOX/8FWR/I7SVTUAX/FOX8FWRI7SVTUAX.SQUARE2.jpg http://cdn.instructables.com/FOX/8FWR/I7SVTUAX/FOX8FWRI7SVTUAX.SQUARE.jpg http://cdn.instructables.com/FOX/8FWR/I7SVTUAX/FOX8FWRI7SVTUAX.SMALL.jpg silentbogo If you previously worked(or currently working) with small 8-bit microcontrollers, like ATTiny or PIC12, you've probably encountered a fundamental problem of not having enough GPIO pins for your needs or project requirements.Upgrading to a larger MCU is only one of the options, but as usual there is ...
By: silentbogo

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Sun, 29 Mar 2015 05:52:12 PDT
PCB diy season 2 http://www.instructables.com/id/PCB-diy-season-2/
PCB diy season 2 - More DIY How To Projects]]> http://cdn.instructables.com/FKO/WCPT/I8S9VP7L/FKOWCPTI8S9VP7L.SQUARE2.jpg http://cdn.instructables.com/FKO/WCPT/I8S9VP7L/FKOWCPTI8S9VP7L.SQUARE.jpg http://cdn.instructables.com/FKO/WCPT/I8S9VP7L/FKOWCPTI8S9VP7L.SMALL.jpg Insterman Etching is a "subtractive" method used for the production of printed circuit boards: acid is used to remove unwanted copper from a prefabricated laminate. This is done by applying a temporary mask that protects parts of the laminate from the acid and leaves the desired copper layer untouched. ...
By: Insterman

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Wed, 22 Apr 2015 00:09:33 PDT
Water Gun Alarm Clock http://www.instructables.com/id/Water-Gun-Alarm-Clock/
Water Gun Alarm Clock - More DIY How To Projects]]> http://cdn.instructables.com/F9R/MMIV/I8PQTUP3/F9RMMIVI8PQTUP3.SQUARE2.jpg http://cdn.instructables.com/F9R/MMIV/I8PQTUP3/F9RMMIVI8PQTUP3.SQUARE.jpg http://cdn.instructables.com/F9R/MMIV/I8PQTUP3/F9RMMIVI8PQTUP3.SMALL.jpg LCLogan5 I don't know about you, but I have trouble waking up...just about every day. The one thing that helps me actually wake up and get moving in the morning is a nice shower. But...what if you could be woken up by the water?!?!That is what I attempted to build here. I have wanted to build this for a long...
By: LCLogan5

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Sun, 19 Apr 2015 19:18:18 PDT
20 watt stereo amplifier-simple and very cheap http://www.instructables.com/id/20-watt-stereo-amplifier-simple-and-very-cheap/
20 watt stereo amplifier-simple and very cheap - More DIY How To Projects]]> http://cdn.instructables.com/FTW/WGCP/I8OH3OVF/FTWWGCPI8OH3OVF.SQUARE2.jpg http://cdn.instructables.com/FTW/WGCP/I8OH3OVF/FTWWGCPI8OH3OVF.SQUARE.jpg http://cdn.instructables.com/FTW/WGCP/I8OH3OVF/FTWWGCPI8OH3OVF.SMALL.jpg Prabhat Tiwari want to listen to your favourite music loudly,but dont have any powerfull amplifier??want to have self made music system???are you getting bored of nasty and useless mono sound from tv,music player,dvd??want to have a self made cool and rich sound stereo amplifier but dont wanna spend alot???then y...
By: Prabhat Tiwari

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Sun, 19 Apr 2015 22:49:53 PDT
battery clip LED tester. http://www.instructables.com/id/battery-clip-LED-tester/
battery clip LED tester. - More DIY How To Projects]]> http://cdn.instructables.com/F4H/1YEB/I8OBDUAP/F4H1YEBI8OBDUAP.SQUARE2.jpg http://cdn.instructables.com/F4H/1YEB/I8OBDUAP/F4H1YEBI8OBDUAP.SQUARE.jpg http://cdn.instructables.com/F4H/1YEB/I8OBDUAP/F4H1YEBI8OBDUAP.SMALL.jpg louisc2 have you ever put together a circuit and after finishing you find your LED doesn't work? well with this Instructable that will never happen again! I present to you the Battery clip LED tester. Components: Components: female header pins 1k resistorperfboard9v battery clipTools: soldering ironsolde...
By: louisc2

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Sun, 19 Apr 2015 06:09:38 PDT
Solar powered water pump with speed control via computer. http://www.instructables.com/id/Solar-powered-water-pump-with-speed-control-via-co/
Solar powered water pump with speed control via computer. - More DIY How To Projects]]> http://cdn.instructables.com/FZI/AUU8/I8MVXSU8/FZIAUU8I8MVXSU8.SQUARE2.jpg http://cdn.instructables.com/FZI/AUU8/I8MVXSU8/FZIAUU8I8MVXSU8.SQUARE.jpg http://cdn.instructables.com/FZI/AUU8/I8MVXSU8/FZIAUU8I8MVXSU8.SMALL.jpg Mjtrinihobby As part of my solar powered home, I have a potable water pump to provide water when our water utility is not available. I also implemented speed control of the pump to adjust the flow to allow energy efficient pump operation depending of the battery bank voltage. Before we continue, take a read of m...
By: Mjtrinihobby

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Sat, 18 Apr 2015 13:16:55 PDT
Projects from an Old Casette Player http://www.instructables.com/id/Projects-from-an-Old-Casette-Player/
Projects from an Old Casette Player - More DIY How To Projects]]> http://cdn.instructables.com/F70/0MZL/I8H6AYXA/F700MZLI8H6AYXA.SQUARE2.jpg http://cdn.instructables.com/F70/0MZL/I8H6AYXA/F700MZLI8H6AYXA.SQUARE.jpg http://cdn.instructables.com/F70/0MZL/I8H6AYXA/F700MZLI8H6AYXA.SMALL.jpg Imetomi Hi! Did you ever thought that you can build many gagdets from an old electronic device? Yes, maybe. Now I'll show you that what can build from an old casette player/radio. I made an FM transmitter bug and a wind turbine battery charger. The most of the parts are from the casette player. I only neede...
By: Imetomi

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Wed, 15 Apr 2015 04:42:12 PDT
Solar powered air conditioning unit. http://www.instructables.com/id/Solar-powered-air-conditioning-unit/
Solar powered air conditioning unit. - More DIY How To Projects]]> http://cdn.instructables.com/FKK/LI9E/I8G5U1VW/FKKLI9EI8G5U1VW.SQUARE2.jpg http://cdn.instructables.com/FKK/LI9E/I8G5U1VW/FKKLI9EI8G5U1VW.SQUARE.jpg http://cdn.instructables.com/FKK/LI9E/I8G5U1VW/FKKLI9EI8G5U1VW.SMALL.jpg Mjtrinihobby Most people would like to have their homes cooled by the strength of sunlight which ironically causes heat. How to achieve energy efficient cooling of your abode by harnessing sunlight? I have successfully implemented a solar powered air conditioning unit for my living room which has been working gr...
By: Mjtrinihobby

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Tue, 14 Apr 2015 16:46:55 PDT
Hack a Drill - Powerful Gearmotor! http://www.instructables.com/id/Hack-a-Drill-Powerful-Gearmotor/
Hack a Drill - Powerful Gearmotor! - More DIY How To Projects]]> http://cdn.instructables.com/F4B/X9MN/I8H69D71/F4BX9MNI8H69D71.SQUARE2.jpg http://cdn.instructables.com/F4B/X9MN/I8H69D71/F4BX9MNI8H69D71.SQUARE.jpg http://cdn.instructables.com/F4B/X9MN/I8H69D71/F4BX9MNI8H69D71.SMALL.jpg simon.w.nordberg In this Instructable I will show you how to get a powerful gearmotor from a cordless drill!I found this cordless drill in the scrap bin at a second hand store. When I got home I discovered something odd (video...) Materials Cordless drill for hacking! Tools Philips head screwdriver Disassemb...
By: simon.w.nordberg

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Tue, 14 Apr 2015 15:56:51 PDT
Globe of persistence of vision http://www.instructables.com/id/Globe-of-persistence-of-vision/
Globe of persistence of vision - More DIY How To Projects]]> http://cdn.instructables.com/FKC/SLIU/I8FQXSJJ/FKCSLIUI8FQXSJJ.SQUARE2.jpg http://cdn.instructables.com/FKC/SLIU/I8FQXSJJ/FKCSLIUI8FQXSJJ.SQUARE.jpg http://cdn.instructables.com/FKC/SLIU/I8FQXSJJ/FKCSLIUI8FQXSJJ.SMALL.jpg NicolasD3 Hello everyone,This tutorial shows you how to build your own globe of persistence of vision.First, what is a globe of persistence of vision? The idea is to rotate a column of LEDs fast enough for giving the impression of an entire globe of pixels (typically more than 10 rounds per second). If we can...
By: NicolasD3

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Tue, 14 Apr 2015 05:08:41 PDT
Reusing ribbon cables and connectors for DIY projects http://www.instructables.com/id/Reusing-ribbon-cables-and-connectors-for-DIY-proje/
Reusing ribbon cables and connectors for DIY projects - More DIY How To Projects]]> http://cdn.instructables.com/FV8/K9SB/I8FQTM8X/FV8K9SBI8FQTM8X.SQUARE2.jpg http://cdn.instructables.com/FV8/K9SB/I8FQTM8X/FV8K9SBI8FQTM8X.SQUARE.jpg http://cdn.instructables.com/FV8/K9SB/I8FQTM8X/FV8K9SBI8FQTM8X.SMALL.jpg SussoGobbino Good evening ladies and gentlemen, and welcome to my Instructable.Today we'll see how to reuse ribbon cables, especially useful for tidy DIY projects. Gathering wires Ribbon wires are found in many electronic appliances, the most common ones are probably computer IDE and floppy data cables. Just ...
By: SussoGobbino

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Mon, 13 Apr 2015 14:35:47 PDT
Variable ATX bench powersupply - FabLab edition http://www.instructables.com/id/Variable-ATX-bench-powersupply-FabLab-edition/
Variable ATX bench powersupply - FabLab edition - More DIY How To Projects]]> http://cdn.instructables.com/FOK/FQM7/I8FQQTA2/FOKFQM7I8FQQTA2.SQUARE2.jpg http://cdn.instructables.com/FOK/FQM7/I8FQQTA2/FOKFQM7I8FQQTA2.SQUARE.jpg http://cdn.instructables.com/FOK/FQM7/I8FQQTA2/FOKFQM7I8FQQTA2.SMALL.jpg ThomasVDD A good power supply is very useful when working with electronics, but it can be pricey. However, you could have one laying around in the form of an ATX PSU (Power Supply Unit). They are the most commonly used power supplies for computers. In this instructable I'll show how I converted my ATX PSU in ...
By: ThomasVDD

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Mon, 13 Apr 2015 05:34:28 PDT
DIY Constant current load http://www.instructables.com/id/DIY-Constant-current-load/
DIY Constant current load - More DIY How To Projects]]> http://cdn.instructables.com/FMQ/1I87/I8BGG1YE/FMQ1I87I8BGG1YE.SQUARE2.jpg http://cdn.instructables.com/FMQ/1I87/I8BGG1YE/FMQ1I87I8BGG1YE.SQUARE.jpg http://cdn.instructables.com/FMQ/1I87/I8BGG1YE/FMQ1I87I8BGG1YE.SMALL.jpg GreatScottLab In this small project I will show you how to make a simple adjustable constant current load. Such a gadget is useful if you want to measure the capacity of chinese Li-Ion batteries. Or you can test how stable your power supply is with a certain load. Let's get started ! Watch the video! The video...
By: GreatScottLab

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Fri, 10 Apr 2015 07:50:09 PDT
Intro to Stepper Motors http://www.instructables.com/id/Intro-to-Stepper-Motors/
Intro to Stepper Motors - More DIY How To Projects]]> http://cdn.instructables.com/FJS/1E59/I88LMUUW/FJS1E59I88LMUUW.SQUARE2.jpg http://cdn.instructables.com/FJS/1E59/I88LMUUW/FJS1E59I88LMUUW.SQUARE.jpg http://cdn.instructables.com/FJS/1E59/I88LMUUW/FJS1E59I88LMUUW.SMALL.jpg Aleator777 If you've ever had the pleasure of dismantling an older printer to salvage electronic parts (I highly recommend this weekend activity if you haven't before!) you may have come across a slew of cylindrical mystery motors with 4 or more wires jutting out the side. Perhaps you've heard the characteris...
By: Aleator777

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Thu, 9 Apr 2015 13:44:29 PDT
Figuring out a Key Matrix (Scan Matrix) http://www.instructables.com/id/Figuring-out-a-Key-Matrix-Scan-Matrix/
Figuring out a Key Matrix (Scan Matrix) - More DIY How To Projects]]> http://cdn.instructables.com/F6N/DAO5/I88LM6KA/F6NDAO5I88LM6KA.SQUARE2.jpg http://cdn.instructables.com/F6N/DAO5/I88LM6KA/F6NDAO5I88LM6KA.SQUARE.jpg http://cdn.instructables.com/F6N/DAO5/I88LM6KA/F6NDAO5I88LM6KA.SMALL.jpg EvanKale This is a guide to figuring out how to interface with the cable ribbon of a key matrix.A thorough run-down of what a key matrix is and how it works can be found in this PCB Heaven article: http://pcbheaven.com/wikipages/How_Key_Matrices_Works/Here are a few hints to help you determine what keys map ...
By: EvanKale

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Thu, 9 Apr 2015 07:50:12 PDT
Etching PCBs with Press'n'Peel http://www.instructables.com/id/Etching-PCBs-with-PressnPeel/
Etching PCBs with Press'n'Peel - More DIY How To Projects]]> http://cdn.instructables.com/FYF/D0IJ/I88LLKLS/FYFD0IJI88LLKLS.SQUARE2.jpg http://cdn.instructables.com/FYF/D0IJ/I88LLKLS/FYFD0IJI88LLKLS.SQUARE.jpg http://cdn.instructables.com/FYF/D0IJ/I88LLKLS/FYFD0IJI88LLKLS.SMALL.jpg clacktronics-uk These days to make PCB’s you don’t need tons of expensive exposing equipment and bubble tanks, it can be done quite simply on your kitchen floor or in a garage and on a tight budget. There are many instructables already about how to create PCB's with toner and glossy photo paper or magazine pages e...
By: clacktronics-uk

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Wed, 8 Apr 2015 14:16:34 PDT