Instructables: exploring - technology - power supply http://www.instructables.com Wed, 23 Apr 2014 00:42:22 PDT BLOX v1.01 LM317T Variable voltage power supply http://www.instructables.com/id/LM317T-Variable-voltage-power-supply/
LM317T Variable voltage power supply - More DIY How To Projects]]> http://cdn.instructables.com/F2N/AQ6R/HT0U48PL/F2NAQ6RHT0U48PL.SQUARE2.jpg http://cdn.instructables.com/F2N/AQ6R/HT0U48PL/F2NAQ6RHT0U48PL.SQUARE.jpg http://cdn.instructables.com/F2N/AQ6R/HT0U48PL/F2NAQ6RHT0U48PL.SMALL.jpg DIshendra After searching on internet for a nice power variable power supply based on LM317T voltage regulator i decided to design one of my own. Because i don't find a good pcb design. All the files are uploaded so you can download them. PCB is designed in Eagle Cad. MAKING THE PCB I used toner transfer m...
By: DIshendra

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Thu, 20 Mar 2014 22:59:47 PDT
How to make a Laboratory ATX Power Supply Unit http://www.instructables.com/id/Laboratory-ATX-Power-Supply-Unit/
How to make a Laboratory ATX Power Supply Unit - More DIY How To Projects]]> http://cdn.instructables.com/FRA/ZQ3W/HSVGIHSK/FRAZQ3WHSVGIHSK.SQUARE2.jpg http://cdn.instructables.com/FRA/ZQ3W/HSVGIHSK/FRAZQ3WHSVGIHSK.SQUARE.jpg http://cdn.instructables.com/FRA/ZQ3W/HSVGIHSK/FRAZQ3WHSVGIHSK.SMALL.jpg joaoduarte I've always had the need to have a decent power supply for my experiences, instead of always using different, cheap and weak power adapters. Since I had a few power supply units from old computers laying around, I thought I should modify one to fit my needs. They have a few different voltages avai...
By: joaoduarte

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Wed, 19 Mar 2014 17:18:36 PDT
Simplest and cheapest adjustable power supply http://www.instructables.com/id/Simplest-and-cheapest-adjustable-power-supply/ http://cdn.instructables.com/FDJ/JF1A/HSNFYBJZ/FDJJF1AHSNFYBJZ.SQUARE2.jpg http://cdn.instructables.com/FDJ/JF1A/HSNFYBJZ/FDJJF1AHSNFYBJZ.SQUARE.jpg http://cdn.instructables.com/FDJ/JF1A/HSNFYBJZ/FDJJF1AHSNFYBJZ.SMALL.jpg kerimil Here is a very simple adjustable power supply I built for powering my projects. If you're into electronics sooner or later you're going to need one. This particular design is very easy and cheap to make. Plus it's based on a ready made module which simplifies everything even more. Parts needed: LM2...
By: kerimil

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Wed, 12 Mar 2014 12:32:34 PDT
LM317 Adjustable Voltage Regulator http://www.instructables.com/id/LM317-Adjustable-Voltage-Regulator/
LM317 Adjustable Voltage Regulator - More DIY How To Projects]]> http://cdn.instructables.com/FBE/JTDL/HSHDUKWY/FBEJTDLHSHDUKWY.SQUARE2.jpg http://cdn.instructables.com/FBE/JTDL/HSHDUKWY/FBEJTDLHSHDUKWY.SQUARE.jpg http://cdn.instructables.com/FBE/JTDL/HSHDUKWY/FBEJTDLHSHDUKWY.SMALL.jpg ilike2pokypoky What you need  LM317 voltage regulator 100 om resistor  potentiometer 1uf 50v electrolytic capacitor .01 uf ceramic disk capacitor  Also this is my my first how to make something thing so dont expect it to be good The LM317 voltage regulater (The pinout is in a different order then the circuit d...
By: ilike2pokypoky

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Sat, 8 Mar 2014 11:47:51 PST
AT-ATX – Portable Bench Power Supply (with voltmeter and USB hub) http://www.instructables.com/id/AT-ATX-Portable-Bench-Power-Supply-with-voltmeter-/
AT-ATX – Portable Bench Power Supply (with voltmeter and USB hub) - More DIY How To Projects]]> http://cdn.instructables.com/FM4/8Q03/HS8FVCVW/FM48Q03HS8FVCVW.SQUARE2.jpg http://cdn.instructables.com/FM4/8Q03/HS8FVCVW/FM48Q03HS8FVCVW.SQUARE.jpg http://cdn.instructables.com/FM4/8Q03/HS8FVCVW/FM48Q03HS8FVCVW.SMALL.jpg jedii72 The internet is littered with instructions on how to make a power supply out of a used ATX computer power supply. I was trying to think of a good way to make one portable to take between my work area in the shed, my work area in my computer room, and my work area at the office (which does not normal...
By: jedii72

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Sat, 1 Mar 2014 17:33:33 PST
How to make a Molex Power supply http://www.instructables.com/id/How-to-make-a-Molex-Power-supply/
How to make a Molex Power supply - More DIY How To Projects]]> http://cdn.instructables.com/FPR/TOPK/HS61A6JL/FPRTOPKHS61A6JL.SQUARE2.jpg http://cdn.instructables.com/FPR/TOPK/HS61A6JL/FPRTOPKHS61A6JL.SQUARE.jpg http://cdn.instructables.com/FPR/TOPK/HS61A6JL/FPRTOPKHS61A6JL.SMALL.jpg snapaul This is to show you how you can easily make a molex power supply for your hard drives/ optical drives etc. with a simply 12V DC adapter. You will need a few things to get started: -Soldering Iron -Solder -Two pieces of Wire -Multimeter -Voltage Regulator -Screwdriver (If you have an adjustable volt...
By: snapaul

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Thu, 27 Feb 2014 11:07:33 PST
The old ATX PC power supply to the new lab power supply case http://www.instructables.com/id/The-old-ATX-PC-power-supply-to-the-new-lab-power-s/
The old ATX PC power supply to the new lab power supply case - More DIY How To Projects]]> http://cdn.instructables.com/FBI/USTU/HR3EG26M/FBIUSTUHR3EG26M.SQUARE2.jpg http://cdn.instructables.com/FBI/USTU/HR3EG26M/FBIUSTUHR3EG26M.SQUARE.jpg http://cdn.instructables.com/FBI/USTU/HR3EG26M/FBIUSTUHR3EG26M.SMALL.jpg gapimankr Hi all. I want to show you how to convert an old ATX PC power supply into a new case for lab power supply. The frame casing is made of aluminum and the sides from 3mm clear acrylic glass. White cover protects the acrylic glass from scratches (if you want you can remove it). When order case y...
By: gapimankr

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Sat, 22 Feb 2014 06:36:24 PST
Powered Breadboard Workstation http://www.instructables.com/id/Powered-Breadboard-Workstation/
Powered Breadboard Workstation - More DIY How To Projects]]> http://cdn.instructables.com/F4G/Q2AK/HRPBMOB4/F4GQ2AKHRPBMOB4.SQUARE2.jpg http://cdn.instructables.com/F4G/Q2AK/HRPBMOB4/F4GQ2AKHRPBMOB4.SQUARE.jpg http://cdn.instructables.com/F4G/Q2AK/HRPBMOB4/F4GQ2AKHRPBMOB4.SMALL.jpg robdavinci Hello readers, A powered breadboard is an enclosure with a built in fixed and variable voltage supply and  the breadboard is used to test circuits. Wires and components are simply pushed into the holes to form a completed circuit and power can be applied. One of the main advantages of using a breadb...
By: robdavinci

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Mon, 17 Feb 2014 18:38:31 PST
1.3-15V Analog Power Supply http://www.instructables.com/id/13-15V-Analog-Power-Supply/
1.3-15V Analog Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/F67/6EYJ/HRBE2MVZ/F676EYJHRBE2MVZ.SQUARE2.jpg http://cdn.instructables.com/F67/6EYJ/HRBE2MVZ/F676EYJHRBE2MVZ.SQUARE.jpg http://cdn.instructables.com/F67/6EYJ/HRBE2MVZ/F676EYJHRBE2MVZ.SMALL.jpg braulio777 This power supply has an output of variable voltage from 1.3 to 15 Volt because it's based on an LM317 regulator in order to obtaining those voltages while a 0-15V Analog Monitor shows those ranges of reading with help of a potentiometer. Go to: http://www.youtube.com/watch?v=nWfUacvEBIw   What ...
By: braulio777

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Sat, 8 Feb 2014 22:52:51 PST
add a digital meter to your old analogical variable PSU http://www.instructables.com/id/add-a-digital-meter-to-your-old-analogical-variabl/
add a digital meter to your old analogical variable PSU - More DIY How To Projects]]> http://cdn.instructables.com/FF2/3TAP/HQKMJBA9/FF23TAPHQKMJBA9.SQUARE2.jpg http://cdn.instructables.com/FF2/3TAP/HQKMJBA9/FF23TAPHQKMJBA9.SQUARE.jpg http://cdn.instructables.com/FF2/3TAP/HQKMJBA9/FF23TAPHQKMJBA9.SMALL.jpg andrea biffi My 20 years old variable power supply is beginning to have some imprecision in measuring voltage with his analogical meter. Then I decided to add a digital meter, with which I can know exactly the voltage supplied. Since these digital meters are very cheap this is a good solution for many devices ot...
By: andrea biffi

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Sat, 18 Jan 2014 07:25:25 PST
Make your first Serious Amplifier http://www.instructables.com/id/Make-your-first-Serious-Amplifier/
Make your first Serious Amplifier - More DIY How To Projects]]> http://cdn.instructables.com/F3Y/3GJ8/HPZMSA4T/F3Y3GJ8HPZMSA4T.SQUARE2.jpg http://cdn.instructables.com/F3Y/3GJ8/HPZMSA4T/F3Y3GJ8HPZMSA4T.SQUARE.jpg http://cdn.instructables.com/F3Y/3GJ8/HPZMSA4T/F3Y3GJ8HPZMSA4T.SMALL.jpg ynze I did it! I've always wanted to build my own amplifier, and now, finally, I made one. It's my first "serious audio" project ever. Starting this project was daunting to me. There was a gap between buying the parts and actually making the amplifier... a two year gap, as a matter of fact. I know a thi...
By: ynze

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Fri, 3 Jan 2014 15:54:07 PST
High efficiency dual voltage high current (upto 3A) power supply http://www.instructables.com/id/High-efficiency-dual-voltage-3A-power-supply/
High efficiency dual voltage high current (upto 3A) power supply - More DIY How To Projects]]> http://cdn.instructables.com/FDU/HZXE/HPL6C18P/FDUHZXEHPL6C18P.SQUARE2.jpg http://cdn.instructables.com/FDU/HZXE/HPL6C18P/FDUHZXEHPL6C18P.SQUARE.jpg http://cdn.instructables.com/FDU/HZXE/HPL6C18P/FDUHZXEHPL6C18P.SMALL.jpg hpb I was looking for a dual voltage power supply initially to power an old HDD with 12V and 5V. I wanted to build a home server based on the Raspberry Pi. I later realized that I had a newer hard-drive that needed only 5V. By then I had already designed and built this one. This power supply has a typic...
By: hpb

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Tue, 24 Dec 2013 07:03:43 PST
Variable 0-12V, Digitally Controlled, Power Supply using a Laptop Wall Wart & Ardunio http://www.instructables.com/id/Variable-0-12V-Digitally-Controlled-Power-Supply-u/
Variable 0-12V, Digitally Controlled, Power Supply using a Laptop Wall Wart & Ardunio - More DIY How To Projects]]> http://cdn.instructables.com/F59/NKKW/HOUFWKBT/F59NKKWHOUFWKBT.SQUARE2.jpg http://cdn.instructables.com/F59/NKKW/HOUFWKBT/F59NKKWHOUFWKBT.SQUARE.jpg http://cdn.instructables.com/F59/NKKW/HOUFWKBT/F59NKKWHOUFWKBT.SMALL.jpg digman The goal of this Instructable is to make a functional, Ardunio digitally controlled, power supply. We tested the supply and controller so that you can grab your old laptop wall wart (output voltage between 14 and 20V), connect it to the supply's Vin line and digitally specify what output voltage you...
By: digman

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Thu, 5 Dec 2013 14:21:43 PST
UberCool MiNi RECHARGEABLE POWER SUPPLY http://www.instructables.com/id/UberCool-MiNi-RECHARGEABLE-POWER-SUPPLY/
UberCool MiNi RECHARGEABLE POWER SUPPLY - More DIY How To Projects]]> http://cdn.instructables.com/F61/K841/HOSLKM9P/F61K841HOSLKM9P.SQUARE2.jpg http://cdn.instructables.com/F61/K841/HOSLKM9P/F61K841HOSLKM9P.SQUARE.jpg http://cdn.instructables.com/F61/K841/HOSLKM9P/F61K841HOSLKM9P.SMALL.jpg abhishek7xavier MiNi RECHARGEABLE POWER SUPPLY
By: abhishek7xavier

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Thu, 5 Dec 2013 05:22:25 PST
Dual voltage regulated power supply for Arduino/microcontroller projects http://www.instructables.com/id/Dual-voltage-regulated-power-supply-for-Arduinomic/
Dual voltage regulated power supply for Arduino/microcontroller projects - More DIY How To Projects]]> http://cdn.instructables.com/FZW/XL8H/HOPQDO9U/FZWXL8HHOPQDO9U.SQUARE2.jpg http://cdn.instructables.com/FZW/XL8H/HOPQDO9U/FZWXL8HHOPQDO9U.SQUARE.jpg http://cdn.instructables.com/FZW/XL8H/HOPQDO9U/FZWXL8HHOPQDO9U.SMALL.jpg Sayedur About a couple of months ago when I first had my hands on Arduino Uno, I had no idea where does that 3.3V power next to the 5V pin comes from, or more accurately, I did not really think about it until I had to make my own versions of standalone Arduinos/ATmega projects. I needed 3.3V source in addit...
By: Sayedur

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Tue, 3 Dec 2013 07:36:14 PST
DIY Variable bench power supply http://www.instructables.com/id/DIY-Variable-bench-power-supply/
DIY Variable bench power supply - More DIY How To Projects]]> http://cdn.instructables.com/F6O/269S/HOHYMW5X/F6O269SHOHYMW5X.SQUARE2.jpg http://cdn.instructables.com/F6O/269S/HOHYMW5X/F6O269SHOHYMW5X.SQUARE.jpg http://cdn.instructables.com/F6O/269S/HOHYMW5X/F6O269SHOHYMW5X.SMALL.jpg abhishek7xavier Power supply is an utmost essential tool for an electronic lab. It comes in handy for powering up various applications and circuits. However a fixed voltage, fixed current power supply is sufficient for basic needs but a variable one is good to have because different circuits and components operate ...
By: abhishek7xavier

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Thu, 28 Nov 2013 07:27:26 PST
Arduino Prototype Center http://www.instructables.com/id/Arduino-Prototype-Center/
Arduino Prototype Center - More DIY How To Projects]]> http://cdn.instructables.com/F2A/SP3Y/HO7XODFW/F2ASP3YHO7XODFW.SQUARE2.jpg http://cdn.instructables.com/F2A/SP3Y/HO7XODFW/F2ASP3YHO7XODFW.SQUARE.jpg http://cdn.instructables.com/F2A/SP3Y/HO7XODFW/F2ASP3YHO7XODFW.SMALL.jpg CRO-nos This is a relatively inexpensive and easy to build project that will help you test out all of your Arduino projects and prototypes. Since it has a plug-in power source, it eliminates frequent battery use and leaves the breadboard free of voltage regulators and capacitors providing more room for proj...
By: CRO-nos

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Sun, 24 Nov 2013 19:38:33 PST
PC Power Supply Project Box http://www.instructables.com/id/PC-Power-Supply-Project-Box/
PC Power Supply Project Box - More DIY How To Projects]]> http://cdn.instructables.com/FB6/3YBO/HNRHWAXZ/FB63YBOHNRHWAXZ.SQUARE2.jpg http://cdn.instructables.com/FB6/3YBO/HNRHWAXZ/FB63YBOHNRHWAXZ.SQUARE.jpg http://cdn.instructables.com/FB6/3YBO/HNRHWAXZ/FB63YBOHNRHWAXZ.SMALL.jpg Prodigal Introduction Are you looking for a solid project box for small electronics projects?  Does your electronics project require 120v and a cooling fan?  Do you have an old PC power supply sitting around?  If yes, consider turning that old PC Power Supply Unit (PSU) into a project box.  This instructabl...
By: Prodigal

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Sat, 9 Nov 2013 18:57:06 PST
Projeto de uma Fonte CC Isolada http://www.instructables.com/id/Projeto-de-uma-Fonte-CC-Isolada/
Projeto de uma Fonte CC Isolada - More DIY How To Projects]]> http://cdn.instructables.com/FED/F9OG/HMNNF81S/FEDF9OGHMNNF81S.SQUARE2.jpg http://cdn.instructables.com/FED/F9OG/HMNNF81S/FEDF9OGHMNNF81S.SQUARE.jpg http://cdn.instructables.com/FED/F9OG/HMNNF81S/FEDF9OGHMNNF81S.SMALL.jpg Reddyco Esse roteiro faz parte do projeto Laboratório Cooperativo, do Grupo PET Engenharia Elétrica da Universidade do Estado de Santa Catarina - Brasil. Olá pessoal! Nesse roteiro, mostraremos os passos para projetar e montar uma fonte isolada de corrente contínua a partir de uma fonte de corrente altern...
By: Reddyco

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Mon, 14 Oct 2013 10:50:35 PDT
Simple yet professional switch board for checking A/C input for shorts after Repair example A/C Adapter http://www.instructables.com/id/Simple-yet-professional-switch-board-for-checking-/
Simple yet professional switch board for checking A/C input for shorts after Repair example A/C Adapter - More DIY How To Projects]]> http://cdn.instructables.com/FYM/BLJJ/HLZRKUBM/FYMBLJJHLZRKUBM.SQUARE2.jpg http://cdn.instructables.com/FYM/BLJJ/HLZRKUBM/FYMBLJJHLZRKUBM.SQUARE.jpg http://cdn.instructables.com/FYM/BLJJ/HLZRKUBM/FYMBLJJHLZRKUBM.SMALL.jpg Ahmad80 Before you switch on the power supply connect a 100 watt light bulb to test. The reason for using the light bulb is to prevent the power supply components just been replaced to blow again just in case if there is short circuit somewhere in the power supply that you have missed to check. Haven't yet...
By: Ahmad80

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Sun, 29 Sep 2013 08:23:35 PDT
Transformer less 12V power supply out of LED bulb http://www.instructables.com/id/Transformer-less-12V-power-supply-out-of-LED-bulb/ http://cdn.instructables.com/F80/LFX0/HLSHJ4FU/F80LFX0HLSHJ4FU.SQUARE2.jpg http://cdn.instructables.com/F80/LFX0/HLSHJ4FU/F80LFX0HLSHJ4FU.SQUARE.jpg http://cdn.instructables.com/F80/LFX0/HLSHJ4FU/F80LFX0HLSHJ4FU.SMALL.jpg ashuinfy Its actually a hack and a concept of reuse of scrap. I have a 4 LED night bulb and a spare not working adapter. I took out the actual components out of bulb and then replaced it with faulted PCB of adapter and I again got a 12 V adapter which I basically used to power 12V LED strips. In below circu...
By: ashuinfy

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Sat, 21 Sep 2013 02:05:25 PDT
Simple power supply http://www.instructables.com/id/Simple-power-supply/
Simple power supply - More DIY How To Projects]]> http://cdn.instructables.com/FZE/E5B1/HLR2IGJX/FZEE5B1HLR2IGJX.SQUARE2.jpg http://cdn.instructables.com/FZE/E5B1/HLR2IGJX/FZEE5B1HLR2IGJX.SQUARE.jpg http://cdn.instructables.com/FZE/E5B1/HLR2IGJX/FZEE5B1HLR2IGJX.SMALL.jpg vonPongrac I bet some of you had the same problem. I was working on this circuit on breadboard and I found out I do not have means to power that circuit. Batteries are too expensive for testing one circuit. In the end I was able to build small power supply that solved my problems. Many times we can build PSU ...
By: vonPongrac

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Thu, 19 Sep 2013 11:45:33 PDT
Make a microcontroller-based boost converter http://www.instructables.com/id/Make-a-microcontroller-based-boost-converter/
Make a microcontroller-based boost converter - More DIY How To Projects]]> http://cdn.instructables.com/FK0/8W4B/HLJVE2QW/FK08W4BHLJVE2QW.SQUARE2.jpg http://cdn.instructables.com/FK0/8W4B/HLJVE2QW/FK08W4BHLJVE2QW.SQUARE.jpg http://cdn.instructables.com/FK0/8W4B/HLJVE2QW/FK08W4BHLJVE2QW.SMALL.jpg fasaxc For a recent project, I needed to boost the output from a USB (high ampage charging) port from 5V up to 18V to power an amplified speaker.  I decided to try rolling my own boost converter (mainly because playing with big inductors sounded cool).  My first attempt was a dismal failure (it could only ...
By: fasaxc

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Sun, 15 Sep 2013 21:03:50 PDT
IMPROVISED DYNAMO POWER SUPPLY(with charger ports,led light,mini fan) http://www.instructables.com/id/IMPROVISED-DYNAMO-POWER-SUPPLYwith-charger-portsle/
IMPROVISED DYNAMO POWER SUPPLY(with charger ports,led light,mini fan) - More DIY How To Projects]]> http://cdn.instructables.com/FEG/O899/HL5FA3DI/FEGO899HL5FA3DI.SQUARE2.jpg http://cdn.instructables.com/FEG/O899/HL5FA3DI/FEGO899HL5FA3DI.SQUARE.jpg http://cdn.instructables.com/FEG/O899/HL5FA3DI/FEGO899HL5FA3DI.SMALL.jpg christianjaicramos Portable charger are pretty common these days,. So, if you happen to have a portable charger that can only last few hours of charging  & replace the power source, here’s your chance to have it updated with dynamo power supply(with charger ports,led light,mini fan)  that last even forever & absolutel...
By: christianjaicramos

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Tue, 3 Sep 2013 23:30:50 PDT
1.25 TO 25VDC POWER SUPPLY http://www.instructables.com/id/125-TO-25VDC-POWER-SUPPLY/
1.25 TO 25VDC POWER SUPPLY - More DIY How To Projects]]> http://cdn.instructables.com/FWV/DFSU/HLFUTBBC/FWVDFSUHLFUTBBC.SQUARE2.jpg http://cdn.instructables.com/FWV/DFSU/HLFUTBBC/FWVDFSUHLFUTBBC.SQUARE.jpg http://cdn.instructables.com/FWV/DFSU/HLFUTBBC/FWVDFSUHLFUTBBC.SMALL.jpg JasjotSingh Hi,just an easy instructable to show you how to make a 1.25v dc to 25v dc power supply. Epuipment We will be doing a lot of soldering for this project,so get a full roll of solder at least!So, with all that,we need *************************** Soldering iron Desoldering iron Solder Lead trimmers ...
By: JasjotSingh

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Sun, 1 Sep 2013 00:10:23 PDT
Purple Squirrel Breadboard Power Supply Kit http://www.instructables.com/id/Purple-Squirrel-Breadboard-Power-Supply-Kit/
Purple Squirrel Breadboard Power Supply Kit - More DIY How To Projects]]> http://cdn.instructables.com/FLT/676R/HKM941AX/FLT676RHKM941AX.SQUARE2.jpg http://cdn.instructables.com/FLT/676R/HKM941AX/FLT676RHKM941AX.SQUARE.jpg http://cdn.instructables.com/FLT/676R/HKM941AX/FLT676RHKM941AX.SMALL.jpg Purple Squirrel This instructable will detail how to assemble the open source Purple Squirrel Bread Board Power Supply Kit; a small & simple kit for providing 5V and 3.3V power to your projects. This project is suitable for beginners. Some soldering tools are necessary but even if you've never soldered before this...
By: Purple Squirrel

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Thu, 22 Aug 2013 20:04:37 PDT
Getting more voltage on Power Supply http://www.instructables.com/id/Getting-more-voltage-on-Power-Supply/
Getting more voltage on Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FLI/O5CO/HJUWRY0H/FLIO5COHJUWRY0H.SQUARE2.jpg http://cdn.instructables.com/FLI/O5CO/HJUWRY0H/FLIO5COHJUWRY0H.SQUARE.jpg http://cdn.instructables.com/FLI/O5CO/HJUWRY0H/FLIO5COHJUWRY0H.SMALL.jpg delphijustin in this instructable we will get more then 12v from atx or a wallwart by using wallwarts and/or atx psu DO IT AT UR OWN RISK I WILL NOT BE RESPONSIBLE FOR BREAKING THINGS. For chat and techbook visit my website http://delphijustin.tk Wiring it up Wire each power supply like in the diagram...
By: delphijustin

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Sat, 3 Aug 2013 17:34:31 PDT
A Portable 12v Power Supply http://www.instructables.com/id/A-Portable-12v-Power-Supply/
A Portable 12v Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FM0/ODTE/HJUWRQGF/FM0ODTEHJUWRQGF.SQUARE2.jpg http://cdn.instructables.com/FM0/ODTE/HJUWRQGF/FM0ODTEHJUWRQGF.SQUARE.jpg http://cdn.instructables.com/FM0/ODTE/HJUWRQGF/FM0ODTEHJUWRQGF.SMALL.jpg belliott76 OK so here's the backstory on this one...I was going to go camping with my kids, and we do some easy geocaching. I usually use my phone, but wanted something that didn't need a data connection. I'm on a tight budget, and I already had a GPS unit, but the battery doesn't hold a charge. I looked up bu...
By: belliott76

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Fri, 2 Aug 2013 06:11:46 PDT
(Another) Regulated 5V Power Supply http://www.instructables.com/id/Another-Regulated-5V-Power-Supply/
(Another) Regulated 5V Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FWX/79BD/HJ2TNZ9W/FWX79BDHJ2TNZ9W.SQUARE2.jpg http://cdn.instructables.com/FWX/79BD/HJ2TNZ9W/FWX79BDHJ2TNZ9W.SQUARE.jpg http://cdn.instructables.com/FWX/79BD/HJ2TNZ9W/FWX79BDHJ2TNZ9W.SMALL.jpg arduinodude11 5V Regulated Power Supply Tutorial Having a bench power supply in your workplace is an essential for an electronics engineer or anyone doing DIY electronics projects. You can use it in powering up basic circuits, microcontrollers, etc. It is most of the time assigned as a project for students takin...
By: arduinodude11

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Sat, 13 Jul 2013 07:05:29 PDT
Pocket-Size Power Supply http://www.instructables.com/id/Pocket-Size-Power-Supply/
Pocket-Size Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FIM/M2EW/HHJOC54P/FIMM2EWHHJOC54P.SQUARE2.jpg http://cdn.instructables.com/FIM/M2EW/HHJOC54P/FIMM2EWHHJOC54P.SQUARE.jpg http://cdn.instructables.com/FIM/M2EW/HHJOC54P/FIMM2EWHHJOC54P.SMALL.jpg DIY Hacks and How Tos I am a big fan of garage sales, flea markets, and thrift stores. They are great places to find used parts and materials for your next project. But one problem that I often run into is not being able to test battery powered electronics to see if they work. Because there are so many different comb...
By: DIY Hacks and How Tos

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Mon, 1 Jul 2013 12:27:53 PDT
OMVPS - One more variable power supply http://www.instructables.com/id/A-semi-home-made-variable-power-supply/
OMVPS - One more variable power supply - More DIY How To Projects]]> http://cdn.instructables.com/FQA/GHNO/HHS9K6CI/FQAGHNOHHS9K6CI.SQUARE2.jpg http://cdn.instructables.com/FQA/GHNO/HHS9K6CI/FQAGHNOHHS9K6CI.SQUARE.jpg http://cdn.instructables.com/FQA/GHNO/HHS9K6CI/FQAGHNOHHS9K6CI.SMALL.jpg abizar A rite of passage for many electronics hobbyist is to make their own power supply. Ready-made power supplies have become quite low cost but making your own is a good exercise in building electronics. In this example, I am taking the easy route by using a commercial power-supply module based on the L...
By: abizar

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Sun, 16 Jun 2013 12:20:23 PDT
Repair Your Laptop Power Cord http://www.instructables.com/id/Repair-Your-Laptop-Power-Cord/
Repair Your Laptop Power Cord - More DIY How To Projects]]> http://cdn.instructables.com/F7D/Y3U1/HHS9E58J/F7DY3U1HHS9E58J.SQUARE2.jpg http://cdn.instructables.com/F7D/Y3U1/HHS9E58J/F7DY3U1HHS9E58J.SQUARE.jpg http://cdn.instructables.com/F7D/Y3U1/HHS9E58J/F7DY3U1HHS9E58J.SMALL.jpg EE-Dan After years of being thrown in travel bags, tripped over, and quite literally dragged through the dirt many laptop power cords succumb to the abuse and begin to fray.  Eventually the fraying cord will break apart and no longer power your laptop.  Here's how to rescue your power cord from the landfil...
By: EE-Dan

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Tue, 11 Jun 2013 19:32:55 PDT
Scavenging old electronics http://www.instructables.com/id/Scavenging-old-electronics/ http://cdn.instructables.com/FVF/Q2LW/HHMI9DOJ/FVFQ2LWHHMI9DOJ.SQUARE2.jpg http://cdn.instructables.com/FVF/Q2LW/HHMI9DOJ/FVFQ2LWHHMI9DOJ.SQUARE.jpg http://cdn.instructables.com/FVF/Q2LW/HHMI9DOJ/FVFQ2LWHHMI9DOJ.SMALL.jpg GhoustDoggy I rarely buy parts for the project's, I prefer  useing  the old PCB boards as a source of parts.My favorite source of parts are:PC power supply,  devices are placed in a metal container, old RC cars and etc.Many parts are damaged in the process of removing them, so you need to be careful. Pc power s...
By: GhoustDoggy

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Mon, 10 Jun 2013 11:13:12 PDT
How do I power my finished circuit? Here's the fix! Just plug it in !! http://www.instructables.com/id/How-do-I-power-my-finished-circuit-Heres-the-fix/ http://cdn.instructables.com/FC1/60GN/HH2VNF5H/FC160GNHH2VNF5H.SQUARE2.jpg http://cdn.instructables.com/FC1/60GN/HH2VNF5H/FC160GNHH2VNF5H.SQUARE.jpg http://cdn.instructables.com/FC1/60GN/HH2VNF5H/FC160GNHH2VNF5H.SMALL.jpg SuperTech-IT OK - so you've moved your project to a perfboard or you're designing a PC board for it. The question is - what's a cheap and easy way to power it? Well, we are familiar with the wall warts, but they are often bulky, and not always convenient. Yes, you can use an iPhone charger, but the USB cord come...
By: SuperTech-IT

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Tue, 28 May 2013 22:16:03 PDT
Fix a PC power supply fan without needing screwdrivers http://www.instructables.com/id/Fix-a-PC-power-supply-fan-without-needing-screwdri/
Fix a PC power supply fan without needing screwdrivers - More DIY How To Projects]]> http://cdn.instructables.com/FJL/ANMY/HH2VJ10K/FJLANMYHH2VJ10K.SQUARE2.jpg http://cdn.instructables.com/FJL/ANMY/HH2VJ10K/FJLANMYHH2VJ10K.SQUARE.jpg http://cdn.instructables.com/FJL/ANMY/HH2VJ10K/FJLANMYHH2VJ10K.SMALL.jpg SuperTech-IT Ok, so your power supply fan has started making that BRRRrrrrRRRRrrrrrRRRRrrRRRRrrrr noise, and it's running slow. Maybe the fan has stopped altogether. Taking your computer to the shop is expensive, and most just replace the power supply anyway. Well, here's the quick fix that you can do with thin...
By: SuperTech-IT

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Sat, 25 May 2013 10:19:23 PDT
Gel electrophoresis power supply http://www.instructables.com/id/Gel-electrophoresis-power-supply/
Gel electrophoresis power supply - More DIY How To Projects]]> http://cdn.instructables.com/FZ6/AMQB/HGH70WFO/FZ6AMQBHGH70WFO.SQUARE2.jpg http://cdn.instructables.com/FZ6/AMQB/HGH70WFO/FZ6AMQBHGH70WFO.SQUARE.jpg http://cdn.instructables.com/FZ6/AMQB/HGH70WFO/FZ6AMQBHGH70WFO.SMALL.jpg jorodeo In previous Instructables tutorials we have described how to make equipment used for DNA electrophoresis and imaging. These include a mini-gel electrophoresis tank, a UV transilluminator for ethidium bromide gels and a blue LED transilluminator for sybr-safe gels. An additional piece of hardware re...
By: jorodeo

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Fri, 24 May 2013 21:35:56 PDT
How to remove the secondary windings from a microwave oven transformer. http://www.instructables.com/id/How-to-remove-the-secondary-windings-from-a-microw/
How to remove the secondary windings from a microwave oven transformer. - More DIY How To Projects]]> http://cdn.instructables.com/F9L/4XGE/HGH6PVN6/F9L4XGEHGH6PVN6.SQUARE2.jpg http://cdn.instructables.com/F9L/4XGE/HGH6PVN6/F9L4XGEHGH6PVN6.SQUARE.jpg http://cdn.instructables.com/F9L/4XGE/HGH6PVN6/F9L4XGEHGH6PVN6.SMALL.jpg atomiccelt Ok, so I know what you're thinking. Why on earth would anyone want to tear apart a perfectly good microwave?  Well, there are a few answers to that question. The first is, because I can. The second, and more important answer is, I can use the transformer for all manner of OTHER projects. For exampl...
By: atomiccelt

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Fri, 10 May 2013 16:18:21 PDT
ATX Desktop Computer Power Supply http://www.instructables.com/id/ATX-Desktop-Computer-Power-Supply-1/ http://cdn.instructables.com/F1W/OZ9O/HFD1E91T/F1WOZ9OHFD1E91T.SQUARE2.jpg http://cdn.instructables.com/F1W/OZ9O/HFD1E91T/F1WOZ9OHFD1E91T.SQUARE.jpg http://cdn.instructables.com/F1W/OZ9O/HFD1E91T/F1WOZ9OHFD1E91T.SMALL.jpg Kante Tech Heres the final project http://www.instructables.com/id/ATX-Desktop-Computer-Power-Supply/  So I realize that after viewing multiple instructables and creating multiple projects I was using up batteries like crazy. I decided to wire up my own power supply after doing a quick search. My power is cap...
By: Kante Tech

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Sat, 20 Apr 2013 21:50:05 PDT
ATX Desktop Computer Power Supply http://www.instructables.com/id/ATX-Desktop-Computer-Power-Supply/
ATX Desktop Computer Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/F1W/OZ9O/HFD1E91T/F1WOZ9OHFD1E91T.SQUARE2.jpg http://cdn.instructables.com/F1W/OZ9O/HFD1E91T/F1WOZ9OHFD1E91T.SQUARE.jpg http://cdn.instructables.com/F1W/OZ9O/HFD1E91T/F1WOZ9OHFD1E91T.SMALL.jpg Kante Tech So I realize that after viewing multiple instructables and creating multiple projects I was using up batteries like crazy. I decided to wire up my own power supply after doing a quick search. My power is capable of your standard voltage of 3.3, 5, and 12. This setup and process that it took to creat...
By: Kante Tech

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Tue, 16 Apr 2013 21:26:37 PDT
Making a PSU power cable for a micro ATX MB to fit into a normal size PSU http://www.instructables.com/id/Making-a-PSU-for-a-micro-ATX-MB-to-fit-into-a-norm/
Making a PSU power cable for a micro ATX MB to fit into a normal size PSU - More DIY How To Projects]]> http://cdn.instructables.com/FZA/FKRC/HD4VNDLL/FZAFKRCHD4VNDLL.SQUARE2.jpg http://cdn.instructables.com/FZA/FKRC/HD4VNDLL/FZAFKRCHD4VNDLL.SQUARE.jpg http://cdn.instructables.com/FZA/FKRC/HD4VNDLL/FZAFKRCHD4VNDLL.SMALL.jpg Grasshopper1221 I got this Micro ATX dell Pc with a blown up PSU in it off the curb,  I had no idea if it worked or not, After hooking it up I found that it did not power up, So i had a hunch the PSU was shot as it smelled burnt.  A closer inspection revealed that it was in fact a 24 Pin connection but was allot s...
By: Grasshopper1221

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Sun, 24 Feb 2013 19:37:58 PST
Zener Diode Shunt Regulator http://www.instructables.com/id/Zener-Diode-Shunt-Regulator/
Zener Diode Shunt Regulator - More DIY How To Projects]]> http://cdn.instructables.com/FF3/1X6U/HCV97IY4/FF31X6UHCV97IY4.SQUARE2.jpg http://cdn.instructables.com/FF3/1X6U/HCV97IY4/FF31X6UHCV97IY4.SQUARE.jpg http://cdn.instructables.com/FF3/1X6U/HCV97IY4/FF31X6UHCV97IY4.SMALL.jpg Kurt E. Clothier Every circuit needs a power source, but different circuits have different power requirements. For most small scale electronics, the power consumption is (is or at least could be with better design) very low. For those times when you don't need a lot of power, just a precise voltage level, the simple...
By: Kurt E. Clothier

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Thu, 7 Feb 2013 02:02:20 PST
Useful components in the base of a burned out CFL light bulb. http://www.instructables.com/id/Useful-components-in-the-base-of-a-burned-out-CFL-/ http://cdn.instructables.com/F8U/7SMN/HCB8R1Q6/F8U7SMNHCB8R1Q6.SQUARE2.jpg http://cdn.instructables.com/F8U/7SMN/HCB8R1Q6/F8U7SMNHCB8R1Q6.SQUARE.jpg http://cdn.instructables.com/F8U/7SMN/HCB8R1Q6/F8U7SMNHCB8R1Q6.SMALL.jpg charlyv A burned out CFL home light bulb provides a nice little easter egg for the electronics hobbyist. Just pry off the base with a jacknife inserted in the seam, and it comes apart easily. The circular PC board contains a lot of usefull parts, apart from it being a ~700v switching power supply, if it s...
By: charlyv

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Sun, 27 Jan 2013 16:34:44 PST
APC UPS RS 1000 USB Conversion http://www.instructables.com/id/APC-UPS-RS-1000-USB-Conversion/
APC UPS RS 1000 USB Conversion - More DIY How To Projects]]> http://cdn.instructables.com/FHF/LWZA/HCB8T3N1/FHFLWZAHCB8T3N1.SQUARE2.jpg http://cdn.instructables.com/FHF/LWZA/HCB8T3N1/FHFLWZAHCB8T3N1.SQUARE.jpg http://cdn.instructables.com/FHF/LWZA/HCB8T3N1/FHFLWZAHCB8T3N1.SMALL.jpg SelfSufficientDan Hi all, I have just been given an Uninteruptable Power Supply. Great! One drawback, no cables! It needed: 1 x USB to RJ50 cable RJ50 cables look like normal ethernet RJ45 cables but have 10 pins not 8. At least 1 kettle lead with a male connection one end and a female connection the other. I look...
By: SelfSufficientDan

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Sun, 27 Jan 2013 10:20:23 PST
The Magnificent Mendel Prusa Power Supply Adjustable Cradle Mount (aka MPPSACM) http://www.instructables.com/id/The-Magnificent-Mendel-Prusa-Power-Supply-Adjustab/ http://cdn.instructables.com/FSQ/Z0CR/HCAYD6CU/FSQZ0CRHCAYD6CU.SQUARE2.jpg http://cdn.instructables.com/FSQ/Z0CR/HCAYD6CU/FSQZ0CRHCAYD6CU.SQUARE.jpg http://cdn.instructables.com/FSQ/Z0CR/HCAYD6CU/FSQZ0CRHCAYD6CU.SMALL.jpg daschick Greetings All, Submitted for your RepRap 3D printing convenience, made at the San Jose TechShop, on Laser #1, the "Magnificent Mendel Prusa Power Supply Adjustable Cradle Mount "!  MPPSACM for short. Just to be clear, I made it at TechShop! Use the SVG to get cutting or open the AI in Illustrator ...
By: daschick

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Wed, 23 Jan 2013 15:11:50 PST
5V voltage regulator with 7805 http://www.instructables.com/id/5V-voltage-regulator-with-7805/ http://cdn.instructables.com/FI0/UH3E/HBXWS0B6/FI0UH3EHBXWS0B6.SQUARE2.jpg http://cdn.instructables.com/FI0/UH3E/HBXWS0B6/FI0UH3EHBXWS0B6.SQUARE.jpg http://cdn.instructables.com/FI0/UH3E/HBXWS0B6/FI0UH3EHBXWS0B6.SMALL.jpg Timofte Andrei I present to you my new project, that I've made yesterday. It's a 5V voltage regulator that I'm going to use to power my breadboard Sanguino. I've used the schematic from Sanguino site and It's looking pretty nice. I also had some issues in finding some parts like those two 100nF ceramic capacitors,...
By: Timofte Andrei

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Sat, 19 Jan 2013 01:56:23 PST
Improvise a Female USB Connector http://www.instructables.com/id/Improvise-a-Female-USB-Connector/
Improvise a Female USB Connector - More DIY How To Projects]]> http://cdn.instructables.com/FW4/L2DX/HAVGJW1L/FW4L2DXHAVGJW1L.SQUARE2.jpg http://cdn.instructables.com/FW4/L2DX/HAVGJW1L/FW4L2DXHAVGJW1L.SQUARE.jpg http://cdn.instructables.com/FW4/L2DX/HAVGJW1L/FW4L2DXHAVGJW1L.SMALL.jpg Phil B Many of us have surplus 5 volt AC/DC chargers for cell phones we no longer use. Those chargers could be useful for a variety of power sources if there were a way to attach a female USB connector to the cord and do it for little or no cost. But, stores like Radio Shack do not list a female USB connec...
By: Phil B

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Thu, 3 Jan 2013 13:28:17 PST
CD player from an old power supply and CDROM drive http://www.instructables.com/id/CD-player-from-an-old-power-supply-and-CDROM-drive/
CD player from an old power supply and CDROM drive - More DIY How To Projects]]> http://cdn.instructables.com/FMQ/3XM9/HAQ2Z71F/FMQ3XM9HAQ2Z71F.SQUARE2.jpg http://cdn.instructables.com/FMQ/3XM9/HAQ2Z71F/FMQ3XM9HAQ2Z71F.SQUARE.jpg http://cdn.instructables.com/FMQ/3XM9/HAQ2Z71F/FMQ3XM9HAQ2Z71F.SMALL.jpg ElectricPryo Ever wonder what to do with that old computer down in your basement that doesn't really work, but you don't want to throw it away? Yeah me too. So i threw this CD player together with a few of the computers components.  Things you will need: An old(or new) power supply A CDRom drive Headphones or s...
By: ElectricPryo

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Sun, 30 Dec 2012 18:25:14 PST
Vizio Flat Screen Repair http://www.instructables.com/id/Vizio-Flat-Screen-Repair/ http://cdn.instructables.com/FM7/69IM/HAOPWBXG/FM769IMHAOPWBXG.SQUARE2.jpg http://cdn.instructables.com/FM7/69IM/HAOPWBXG/FM769IMHAOPWBXG.SQUARE.jpg http://cdn.instructables.com/FM7/69IM/HAOPWBXG/FM769IMHAOPWBXG.SMALL.jpg NelsonStudios Don't trash it, FIX IT!  If you are capable of taking the back off the TV you are capable of fixing it.  Check out the video description for where I sourced parts for the TV.
By: NelsonStudios

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Thu, 13 Dec 2012 20:22:09 PST
A Maker's Guide to ATX Power Supplies http://www.instructables.com/id/A-Makers-Guide-to-ATX-Power-Supplies/
A Maker's Guide to ATX Power Supplies - More DIY How To Projects]]> http://cdn.instructables.com/FUY/SHEF/H9X3JKPR/FUYSHEFH9X3JKPR.SQUARE2.jpg http://cdn.instructables.com/FUY/SHEF/H9X3JKPR/FUYSHEFH9X3JKPR.SQUARE.jpg http://cdn.instructables.com/FUY/SHEF/H9X3JKPR/FUYSHEFH9X3JKPR.SMALL.jpg LynxSys There are tons of Instructables on how to make a lab bench power supply out of a discarded ATX (computer) power supply unit (PSU). This is not one of them. My observation is that most makers, hackers, and mad scientists don't follow instructions very well. We like to improve on what already exists ...
By: LynxSys

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Wed, 5 Dec 2012 22:09:52 PST
Reuse - Re-purpose An Old Computer Power Supply http://www.instructables.com/id/Reuse-Re-purpose-An-Old-Computer-Power-Supply/ http://cdn.instructables.com/FR3/XCPC/H994TNBU/FR3XCPCH994TNBU.SQUARE2.jpg http://cdn.instructables.com/FR3/XCPC/H994TNBU/FR3XCPCH994TNBU.SQUARE.jpg http://cdn.instructables.com/FR3/XCPC/H994TNBU/FR3XCPCH994TNBU.SMALL.jpg stangtime Old computer power supplies are a great resource for ham radio gear, CB radios, chargers, or any other item that needs a regulated 12 volt source.  Many of these older power supplies do not have an on/off switch on the unit.  By tapping the green wire and any of the black wires on that connection pl...
By: stangtime

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Sun, 11 Nov 2012 17:21:07 PST