Instructables: exploring - technology - electronics - featured http://www.instructables.com Thu, 28 May 2015 13:13:37 PDT BLOX v1.01 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
Bench Power Supply Tutorials http://www.instructables.com/id/Bench-Power-Supply-Tutorials/ http://cdn.instructables.com/FMS/B64A/I9YBNT7H/FMSB64AI9YBNT7H.SQUARE2.jpg http://cdn.instructables.com/FMS/B64A/I9YBNT7H/FMSB64AI9YBNT7H.SQUARE.jpg http://cdn.instructables.com/FMS/B64A/I9YBNT7H/FMSB64AI9YBNT7H.SMALL.jpg xxlauraxx (Variable voltage) power to the people!A good power supply is useful when working with electronics, but it can be pricey. If you want to customize the size or output of your benchtop power supply, building your own can be a good option.Here are the most popular bench power supply projects on Instruc...
By: xxlauraxx

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Thu, 21 May 2015 13:09:39 PDT
BallerStats http://www.instructables.com/id/BallerStats/
BallerStats - More DIY How To Projects]]> http://cdn.instructables.com/F0L/QXK5/I9FGRE3F/F0LQXK5I9FGRE3F.SQUARE2.jpg http://cdn.instructables.com/F0L/QXK5/I9FGRE3F/F0LQXK5I9FGRE3F.SQUARE.jpg http://cdn.instructables.com/F0L/QXK5/I9FGRE3F/F0LQXK5I9FGRE3F.SMALL.jpg Tustin High T-Tech created by OASIS (Omid, Amol, Shikhar, Information Systems) Objective Our hope is to create an automated stats collector during a basketball practice session. This could be used for all ages and on most courts. Our approach of finding a project was finding something that people do, that could be ...
By: Tustin High T-Tech

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Fri, 8 May 2015 10:26:44 PDT
RGB music controller with AGC http://www.instructables.com/id/RGB-music-controller-with-AGC/
RGB music controller with AGC - More DIY How To Projects]]> http://cdn.instructables.com/FHP/DE4E/I9XM3LWO/FHPDE4EI9XM3LWO.SQUARE2.jpg http://cdn.instructables.com/FHP/DE4E/I9XM3LWO/FHPDE4EI9XM3LWO.SQUARE.jpg http://cdn.instructables.com/FHP/DE4E/I9XM3LWO/FHPDE4EI9XM3LWO.SMALL.jpg KristianF1 Here i will show you how to create a RGB music controller, which lights RGB leds to music. I also added an AGC(Automatic gain control), which keeps the voltage at the same level. This is very useful, because you often play music at different volumes, and without the AGC, the leds will be very bright...
By: KristianF1

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Thu, 21 May 2015 05:09:30 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
Seven Segment Display http://www.instructables.com/id/Seven-Segment-Display/
Seven Segment Display - More DIY How To Projects]]> http://cdn.instructables.com/FV9/TIZ2/I9V6SISZ/FV9TIZ2I9V6SISZ.SQUARE2.jpg http://cdn.instructables.com/FV9/TIZ2/I9V6SISZ/FV9TIZ2I9V6SISZ.SQUARE.jpg http://cdn.instructables.com/FV9/TIZ2/I9V6SISZ/FV9TIZ2I9V6SISZ.SMALL.jpg Darp Raithatha The general purpose display with the seven LED's inside, generally used to indicate the integers e.g In Lifts to indicate the no. of floor, in mulitimeters, etc. is known as seven segment display. Parts You need the following parts listed below:-1) IC 4026 (Ic with the counter + 7 segment display...
By: Darp Raithatha

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Wed, 20 May 2015 00:43:10 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
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
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
Dual LED flasher http://www.instructables.com/id/Dual-LED-flasher/
Dual LED flasher - More DIY How To Projects]]> http://cdn.instructables.com/FEK/M0EW/I9OSRHGR/FEKM0EWI9OSRHGR.SQUARE2.jpg http://cdn.instructables.com/FEK/M0EW/I9OSRHGR/FEKM0EWI9OSRHGR.SQUARE.jpg http://cdn.instructables.com/FEK/M0EW/I9OSRHGR/FEKM0EWI9OSRHGR.SMALL.jpg BJ Cuizon Here is a simple circuit that flashes 2 LEDs alternately. It only uses a few basic components, so why don't you try it! Gather the parts needed. Parts list:2N3904 transistors x210µf caps x2Red LEDs x2470Ω resistors x2100kΩ resistors ...
By: BJ Cuizon

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Fri, 15 May 2015 00:14:02 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
10 Year LED Flasher http://www.instructables.com/id/10-Year-LED-Flasher/
10 Year LED Flasher - More DIY How To Projects]]> http://cdn.instructables.com/FGM/PCTE/I9M07V3G/FGMPCTEI9M07V3G.SQUARE2.jpg http://cdn.instructables.com/FGM/PCTE/I9M07V3G/FGMPCTEI9M07V3G.SQUARE.jpg http://cdn.instructables.com/FGM/PCTE/I9M07V3G/FGMPCTEI9M07V3G.SMALL.jpg simpletronic This LED flasher will blink continuously for 10 YEARS on a single 1.5v AA alkaline cell. This is possible by achieving an average current draw of 35uA (microamperes) . This is the complete circuit diagram of the flasher Main components:IC1: CD4001 CMOS quad NOR gateQ1: 2N4401 NPN tansistorT1: 1...
By: simpletronic

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Tue, 12 May 2015 20:33:10 PDT
5A Variable Linear Power Supply http://www.instructables.com/id/5A-Variable-Linear-Power-Supply/
5A Variable Linear Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FJC/V5WS/I9JR9FV2/FJCV5WSI9JR9FV2.SQUARE2.jpg http://cdn.instructables.com/FJC/V5WS/I9JR9FV2/FJCV5WSI9JR9FV2.SQUARE.jpg http://cdn.instructables.com/FJC/V5WS/I9JR9FV2/FJCV5WSI9JR9FV2.SMALL.jpg TrichogasterAzul This power supply is a simple project that I have built on a weekend and I thought it would be a nice idea if I shared it here. This is the first instructable I write so please, sorry if any mistake.It has a simple circuit and it's really easy to understand how it works. The original schematic is fr...
By: TrichogasterAzul

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Mon, 11 May 2015 20:51:12 PDT
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
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
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
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
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
9V to 5V Regulated Power Supply - SMD http://www.instructables.com/id/9V-to-5V-Regulated-Power-Supply-SMD/
9V to 5V Regulated Power Supply - SMD - More DIY How To Projects]]> http://cdn.instructables.com/FRV/36SQ/I9GW6N7E/FRV36SQI9GW6N7E.SQUARE2.jpg http://cdn.instructables.com/FRV/36SQ/I9GW6N7E/FRV36SQI9GW6N7E.SQUARE.jpg http://cdn.instructables.com/FRV/36SQ/I9GW6N7E/FRV36SQI9GW6N7E.SMALL.jpg baelza.bubba I have wanted to make an SMD version of my 9V to 5V Regulated Power Supply for a while now, but I've been waiting for the arrival of some 0.1uF SMD Electrolytic capacitors to arrive from China (bought from eBay). The first lot that I ordered didn't turn up, so I had to get the vendor (tiaochongyi) t...
By: baelza.bubba

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Sat, 9 May 2015 04:51:36 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
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
Automatic Race Timer http://www.instructables.com/id/Automatic-Race-Timer/
Automatic Race Timer - More DIY How To Projects]]> http://cdn.instructables.com/F8D/X1OG/I9B6FI12/F8DX1OGI9B6FI12.SQUARE2.jpg http://cdn.instructables.com/F8D/X1OG/I9B6FI12/F8DX1OGI9B6FI12.SQUARE.jpg http://cdn.instructables.com/F8D/X1OG/I9B6FI12/F8DX1OGI9B6FI12.SMALL.jpg DIY Hacks and How Tos Racing is a lot of fun. But if you want to compare the results of multiple races, you need be able to accurately record the finishing times of each one. To do this, I designed a timer circuit that will automatically record the finishing times. Two light sensors are mounted on a track. The first one ...
By: DIY Hacks and How Tos

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Tue, 5 May 2015 03:49:30 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
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
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
Clap Switch (Simple, illustrated, you can build it) http://www.instructables.com/id/Simple-illustrated-Clap-Switch/
Clap Switch (Simple, illustrated, you can build it) - More DIY How To Projects]]> http://cdn.instructables.com/F3N/MXQO/IA596XEF/F3NMXQOIA596XEF.SQUARE2.jpg http://cdn.instructables.com/F3N/MXQO/IA596XEF/F3NMXQOIA596XEF.SQUARE.jpg http://cdn.instructables.com/F3N/MXQO/IA596XEF/F3NMXQOIA596XEF.SMALL.jpg tapasxplore In this tutorial we will learn about clap switch. Clap switch is a circuit with which we can turn ON-OFF any electrical equipment. Whenever we clap the equipment will turn ON and when we clap again the equipment will turn OFF.The final finished product is shown above. What will happen if I'll cla...
By: tapasxplore

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Thu, 30 Apr 2015 13:08:14 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
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
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
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
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
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