Instructables: exploring - technology - power supply http://www.instructables.com Sat, 25 Oct 2014 04:45:37 PDT BLOX v1.01 Variable 1.25-15V DC Power Supply http://www.instructables.com/id/Variable-125-15V-DC-Power-Supply/
Variable 1.25-15V DC Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FBQ/RHZ7/I1J5WWJP/FBQRHZ7I1J5WWJP.SQUARE2.jpg http://cdn.instructables.com/FBQ/RHZ7/I1J5WWJP/FBQRHZ7I1J5WWJP.SQUARE.jpg http://cdn.instructables.com/FBQ/RHZ7/I1J5WWJP/FBQRHZ7I1J5WWJP.SMALL.jpg kavea I would like to present my variable DC power supply with current limiting circuit. Features:Fixed voltages : 3V, 5V, 9V, 12VVariable voltage from 1.25V to 15V Current limits : 10mA, 100mA, 500mA, 1ADigital display of Voltage & CurrentAll this is based on LM317Scheme, as well as more details are avai...
By: kavea

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Tue, 21 Oct 2014 06:24:45 PDT
Lazyman's Switch http://www.instructables.com/id/Lazymans-Switch/
Lazyman's Switch - More DIY How To Projects]]> http://cdn.instructables.com/F50/21M3/I0LCRKB6/F5021M3I0LCRKB6.SQUARE2.jpg http://cdn.instructables.com/F50/21M3/I0LCRKB6/F5021M3I0LCRKB6.SQUARE.jpg http://cdn.instructables.com/F50/21M3/I0LCRKB6/F5021M3I0LCRKB6.SMALL.jpg VanKoZ When I go to bed every night after a hard work day I like to listen to some quiet chillout music from my pc :) But just before falling asleep every time I need to get up from my bed just when Im really comfortable ang go all across the room to stop the music and shutdown my pc...That really bugs me....
By: VanKoZ

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Tue, 30 Sep 2014 14:25:06 PDT
OMHVPS - One more high voltage power supply (0-1.5KV) http://www.instructables.com/id/OMHVPS-One-more-high-voltage-power-supply-0-15KV/
OMHVPS - One more high voltage power supply (0-1.5KV) - More DIY How To Projects]]> http://cdn.instructables.com/FBE/DC3R/I0C94AUX/FBEDC3RI0C94AUX.SQUARE2.jpg http://cdn.instructables.com/FBE/DC3R/I0C94AUX/FBEDC3RI0C94AUX.SQUARE.jpg http://cdn.instructables.com/FBE/DC3R/I0C94AUX/FBEDC3RI0C94AUX.SMALL.jpg abizar I needed a 1-2 KV power supply for capillary electrophoresis experiments. Serendipitously, I saw a couple of high voltage power supply modules in a pile of electronics junk at the De Anza flea market in Cupertino. Picked up both. The seller did say that he had no idea if these worked. One was marked...
By: abizar

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Mon, 22 Sep 2014 16:01:50 PDT
DIY Small Bench Power Supply http://www.instructables.com/id/DIY-Small-Bench-Power-Supply/
DIY Small Bench Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FJG/FJGI/I06J8GKY/FJGFJGII06J8GKY.SQUARE2.jpg http://cdn.instructables.com/FJG/FJGI/I06J8GKY/FJGFJGII06J8GKY.SQUARE.jpg http://cdn.instructables.com/FJG/FJGI/I06J8GKY/FJGFJGII06J8GKY.SMALL.jpg newtonn2 This is a small bench power supply that I made some time ago, and because I was very busy I couldn't do the instructable for it. I do apologise for taking so long, I hope it was worth the wait :).After making my Mini Adjustable Power Supply I was very happy with it, but I was missing a more accurate...
By: newtonn2

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Wed, 17 Sep 2014 09:59:29 PDT
Desktop Power Supply http://www.instructables.com/id/Desktop-Power-Supply/
Desktop Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FU8/P7GM/HZI8ZSBS/FU8P7GMHZI8ZSBS.SQUARE2.jpg http://cdn.instructables.com/FU8/P7GM/HZI8ZSBS/FU8P7GMHZI8ZSBS.SQUARE.jpg http://cdn.instructables.com/FU8/P7GM/HZI8ZSBS/FU8P7GMHZI8ZSBS.SMALL.jpg GrimRipper1080 Hello World! Since this is my first Instructable, I'll keep it short and sweet. To start, I had a problem where I was given a Chumby One, but the plug was complete chinese crap so the Chumby wouldn't power on. In reading online that others had the same problem with theirs, I decided to use another p...
By: GrimRipper1080

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Sun, 31 Aug 2014 17:17:06 PDT
Bench Power from ATX PSU Thanks to Matthew http://www.instructables.com/id/Bench-Power-from-ATX-PSU-Thanks-to-Matthew/
Bench Power from ATX PSU Thanks to Matthew - More DIY How To Projects]]> http://cdn.instructables.com/FSZ/LA3M/HZGTGMCQ/FSZLA3MHZGTGMCQ.SQUARE2.jpg http://cdn.instructables.com/FSZ/LA3M/HZGTGMCQ/FSZLA3MHZGTGMCQ.SQUARE.jpg http://cdn.instructables.com/FSZ/LA3M/HZGTGMCQ/FSZLA3MHZGTGMCQ.SMALL.jpg ContraptionMaker This project was inspired by Matthew Beckler’s excellent project found here. Before getting into this project I want to quote Matthew’s warning…. "Please Note! There are several large capacitors in ATX power supplies, that will store a dangerous charge for a long time. Please let your power supply...
By: ContraptionMaker

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Sat, 30 Aug 2014 21:33:44 PDT
Regulated power supply on the cheap http://www.instructables.com/id/Regulated-power-supply-on-the-cheap/
Regulated power supply on the cheap - More DIY How To Projects]]> http://cdn.instructables.com/FN2/PJBW/HZ9O54PF/FN2PJBWHZ9O54PF.SQUARE2.jpg http://cdn.instructables.com/FN2/PJBW/HZ9O54PF/FN2PJBWHZ9O54PF.SQUARE.jpg http://cdn.instructables.com/FN2/PJBW/HZ9O54PF/FN2PJBWHZ9O54PF.SMALL.jpg Milen The regulated power supply is must to have device for each electronics freak.In this instructable I will show you how to construct such kind of device on the cheap (less than $10) The core of the device ... The most expensive part for a regulated power supply is the input AC/DC converte...
By: Milen

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Mon, 25 Aug 2014 15:46:28 PDT
Solar Power Supply 5V/3.3V http://www.instructables.com/id/Solar-Power-Supply-5V33V/
Solar Power Supply 5V/3.3V - More DIY How To Projects]]> http://cdn.instructables.com/FAC/MEBT/HZ13IKUU/FACMEBTHZ13IKUU.SQUARE2.jpg http://cdn.instructables.com/FAC/MEBT/HZ13IKUU/FACMEBTHZ13IKUU.SQUARE.jpg http://cdn.instructables.com/FAC/MEBT/HZ13IKUU/FACMEBTHZ13IKUU.SMALL.jpg braulio777 This project is based on a 6V Solar Cell and constructed with two voltage regulators, one of 5V and other of 3.3V. The project is integrated inside a plastic box and in its exterior side is mounted the Solar Cell and a selectable switch to decide between 5V and 3.3V. Bill of Materials 1 ABS Pl...
By: braulio777

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Tue, 19 Aug 2014 22:35:03 PDT
Simple Variable Current power supply 12V 1A-5A http://www.instructables.com/id/Variable-Current-power-supply-12V-1A-5A/
Simple Variable Current power supply 12V 1A-5A - More DIY How To Projects]]> http://cdn.instructables.com/F8F/TMNW/HZ2IU9HK/F8FTMNWHZ2IU9HK.SQUARE2.jpg http://cdn.instructables.com/F8F/TMNW/HZ2IU9HK/F8FTMNWHZ2IU9HK.SQUARE.jpg http://cdn.instructables.com/F8F/TMNW/HZ2IU9HK/F8FTMNWHZ2IU9HK.SMALL.jpg ShreyanshLikhar94 It is the variable current power supply which give output of 12V 1A-5Aits a designed PCB Input is by 12V 5A transformeryou can also increase the current rating of the power supply by using more no. of voltage regulater IC; Things you need 1) one 10 ampere Bridge rectifier.2) Two 4700uF 50V capac...
By: ShreyanshLikhar94

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Tue, 19 Aug 2014 06:29:17 PDT
Powering an LED stripe + bonus (Lamp) http://www.instructables.com/id/Powering-an-LED-stripe-bonus-Lamp/
Powering an LED stripe + bonus (Lamp) - More DIY How To Projects]]> http://cdn.instructables.com/FY1/GMJH/HYO8GCM2/FY1GMJHHYO8GCM2.SQUARE2.jpg http://cdn.instructables.com/FY1/GMJH/HYO8GCM2/FY1GMJHHYO8GCM2.SQUARE.jpg http://cdn.instructables.com/FY1/GMJH/HYO8GCM2/FY1GMJHHYO8GCM2.SMALL.jpg Victor8o5 Broken electronic devices are a gold mine if you know what you are looking for, you can find lots of useful components that otherwise would end in the trash. Specially complex devices such as computers and laptops are the most valuable, you can obtain from fans, switches and LED's to replacements ...
By: Victor8o5

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Mon, 11 Aug 2014 12:33:27 PDT
555 Timer : Universal PWM Controller http://www.instructables.com/id/555-Timer-Universal-PWM-Controller/
555 Timer : Universal PWM Controller - More DIY How To Projects]]> http://cdn.instructables.com/FTA/WH4E/HYLDRJR0/FTAWH4EHYLDRJR0.SQUARE2.jpg http://cdn.instructables.com/FTA/WH4E/HYLDRJR0/FTAWH4EHYLDRJR0.SQUARE.jpg http://cdn.instructables.com/FTA/WH4E/HYLDRJR0/FTAWH4EHYLDRJR0.SMALL.jpg jacktrow Please visit my Kickstarter to purchase the assembled board or kit :https://www.kickstarter.com/projects/jackt/univers...Within this instructable the 555 timer is used to create a variable PWM signal that can be varied from ~5% to ~95% of the power supplied using a variable resistor.PWM is a techniq...
By: jacktrow

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Sat, 9 Aug 2014 15:52:00 PDT
Tools for the Electronics Hobbyist http://www.instructables.com/id/Tools-for-the-Electronics-Hobbyist/
Tools for the Electronics Hobbyist - More DIY How To Projects]]> http://cdn.instructables.com/FL3/9SY7/HXZG4J2O/FL39SY7HXZG4J2O.SQUARE2.jpg http://cdn.instructables.com/FL3/9SY7/HXZG4J2O/FL39SY7HXZG4J2O.SQUARE.jpg http://cdn.instructables.com/FL3/9SY7/HXZG4J2O/FL39SY7HXZG4J2O.SMALL.jpg brmarcum If you're new to the world of electronics, let me be the first to welcome you. There are many good resources available to help you get started. For a list of recommended resources, see step 4. But once you find the right project, how do you bring it into reality? Of course you will need some electro...
By: brmarcum

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Wed, 23 Jul 2014 20:57:29 PDT
AC to DC Conversion http://www.instructables.com/id/AC-to-DC-Conversion/
AC to DC Conversion - More DIY How To Projects]]> http://cdn.instructables.com/FCH/4OHQ/HX504N4Z/FCH4OHQHX504N4Z.SQUARE2.jpg http://cdn.instructables.com/FCH/4OHQ/HX504N4Z/FCH4OHQHX504N4Z.SQUARE.jpg http://cdn.instructables.com/FCH/4OHQ/HX504N4Z/FCH4OHQHX504N4Z.SMALL.jpg brmarcum Every once in a while I come up with an idea for a circuit or device that has applications where a battery may not be the best or most convenient option for a power supply. One example is the Motion Activated AC Switch that I built. Since I was wanting to have the switch open a relay to allow AC cur...
By: brmarcum

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Tue, 1 Jul 2014 14:24:04 PDT
PSU Bay Fan Mod (For Computers) http://www.instructables.com/id/PSU-Bay-Fan-Mod-For-Computers/
PSU Bay Fan Mod (For Computers) - More DIY How To Projects]]> http://cdn.instructables.com/F9S/2QMD/HWZ9UTLT/F9S2QMDHWZ9UTLT.SQUARE2.jpg http://cdn.instructables.com/F9S/2QMD/HWZ9UTLT/F9S2QMDHWZ9UTLT.SQUARE.jpg http://cdn.instructables.com/F9S/2QMD/HWZ9UTLT/F9S2QMDHWZ9UTLT.SMALL.jpg Shadow Of Intent Some modern PC cases have two locations in which a power supply can be mounted (eg, Antec 1900). You can even put one in each if the computer requires a lot of power. Usually though, one bay ends up empty, and if it's the one near the graphics card it's a great opportunity to place a fan for additio...
By: Shadow Of Intent

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Sun, 29 Jun 2014 14:05:05 PDT
POWER-SUPPLY for my LAB http://www.instructables.com/id/POWER-SUPPLY-for-my-LAB/
POWER-SUPPLY for my LAB - More DIY How To Projects]]> http://cdn.instructables.com/FLY/6RAG/HWRZ8D32/FLY6RAGHWRZ8D32.SQUARE2.jpg http://cdn.instructables.com/FLY/6RAG/HWRZ8D32/FLY6RAGHWRZ8D32.SQUARE.jpg http://cdn.instructables.com/FLY/6RAG/HWRZ8D32/FLY6RAGHWRZ8D32.SMALL.jpg S0uraV_DAS What can you use a battery for? Its a nice question. Almost everything runs on batteries these days, directly or indirectly. But what is it that I need that runs on a battery? Well, its summer, and electricity supplies have been interrupting with my daily work. Especially in a very populated country...
By: S0uraV_DAS

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Tue, 24 Jun 2014 04:44:51 PDT
Breadboard Power Supply to Arduino Project Power Supply http://www.instructables.com/id/Breadboard-Power-Supply-to-Arduino-Project-Power-S/
Breadboard Power Supply to Arduino Project Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FM7/ENNW/HWCJKDPH/FM7ENNWHWCJKDPH.SQUARE2.jpg http://cdn.instructables.com/FM7/ENNW/HWCJKDPH/FM7ENNWHWCJKDPH.SQUARE.jpg http://cdn.instructables.com/FM7/ENNW/HWCJKDPH/FM7ENNWHWCJKDPH.SMALL.jpg paulindallas Although I enjoy bread boarding some of the projects I find here on Instructables or creating my own, when I put together something I want to keep, I like to do it in a modular fashion and in an enclosure. I have found a few things that make it easier for me to do this kind of work and thought I'...
By: paulindallas

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Fri, 13 Jun 2014 09:19:00 PDT
OMVACPS - One more Variable AC Power Supply (Variable transformer) http://www.instructables.com/id/Variable-AC-from-a-Variac-Variable-transformer/
OMVACPS - One more Variable AC Power Supply (Variable transformer) - More DIY How To Projects]]> http://cdn.instructables.com/FPS/7ALU/HVKUI4RG/FPS7ALUHVKUI4RG.SQUARE2.jpg http://cdn.instructables.com/FPS/7ALU/HVKUI4RG/FPS7ALUHVKUI4RG.SQUARE.jpg http://cdn.instructables.com/FPS/7ALU/HVKUI4RG/FPS7ALUHVKUI4RG.SMALL.jpg abizar I bought an open frame Variable transformer (Variac) from a local flea market for $5. Would need to package it for bench use so decided to use materials at home to create a variable AC supply using a Harbor Freight multimeter (free or less than $4 new), a power switch, IEC socket, fuse holder, a 9V ...
By: abizar

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Sat, 24 May 2014 18:08:03 PDT
atx bench power supply diy http://www.instructables.com/id/atx-bench-power-supply-diy/
atx bench power supply diy - More DIY How To Projects]]> http://cdn.instructables.com/F02/6VRA/HVGXMKXP/F026VRAHVGXMKXP.SQUARE2.jpg http://cdn.instructables.com/F02/6VRA/HVGXMKXP/F026VRAHVGXMKXP.SQUARE.jpg http://cdn.instructables.com/F02/6VRA/HVGXMKXP/F026VRAHVGXMKXP.SMALL.jpg kedar264 Every electronics hacker maker need bench power supply so why not make it yourself. Choosing atx power supply/repair one find working atx power supply or repair one, but don't throw away you can find many individual componants which may be helpful for another project follow the pin configuratio...
By: kedar264

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Wed, 21 May 2014 11:25:43 PDT
DESK FAN http://www.instructables.com/id/DESK-FAN-1/
DESK FAN - More DIY How To Projects]]> http://cdn.instructables.com/FQX/O03W/HUOPCALD/FQXO03WHUOPCALD.SQUARE2.jpg http://cdn.instructables.com/FQX/O03W/HUOPCALD/FQXO03WHUOPCALD.SQUARE.jpg http://cdn.instructables.com/FQX/O03W/HUOPCALD/FQXO03WHUOPCALD.SMALL.jpg Medic55 I turned this HVAC blower motor into a desk fan. It works very well, circulates the air just GREAT :) BROSE - Made in Germany 12V DC I usually have it set to lowest setting, 4 Volts and it draws only 1 Amp. It can also go up to 16 Volts - 10 Amps, but then it feels like it is going to take off an...
By: Medic55

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Thu, 1 May 2014 12:36:33 PDT
Power Up ANYTHING with old cell phone chargers. http://www.instructables.com/id/Power-Up-ANYTHING-with-old-cell-phone-chargers/
Power Up ANYTHING with old cell phone chargers. - More DIY How To Projects]]> http://cdn.instructables.com/F9R/EWJQ/HUFW5YYI/F9REWJQHUFW5YYI.SQUARE2.jpg http://cdn.instructables.com/F9R/EWJQ/HUFW5YYI/F9REWJQHUFW5YYI.SQUARE.jpg http://cdn.instructables.com/F9R/EWJQ/HUFW5YYI/F9REWJQHUFW5YYI.SMALL.jpg ihemkes Hi guys! Have you ever found in the situation where you need batteries for your remote TV controller, or it just uses a lot of them that becomes expensive to use it? In this Instructable im going to show you how to turn any old cell phone charger into a mini emergency power supply for electronic e...
By: ihemkes

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Fri, 25 Apr 2014 14:39:46 PDT
Computer Power Supply to Bench Power Supply Adapter http://www.instructables.com/id/Computer-Power-Supply-to-Bench-Power-Supply-Adapte/
Computer Power Supply to Bench Power Supply Adapter - More DIY How To Projects]]> http://cdn.instructables.com/FQN/XFS6/HU5THIQG/FQNXFS6HU5THIQG.SQUARE2.jpg http://cdn.instructables.com/FQN/XFS6/HU5THIQG/FQNXFS6HU5THIQG.SQUARE.jpg http://cdn.instructables.com/FQN/XFS6/HU5THIQG/FQNXFS6HU5THIQG.SMALL.jpg DIY Hacks and How Tos There are a lot of ways that you can re-purpose and reuse old electronics. For instance, a computer power supply can make a great bench power supply for your workshop. There are already a lot of tutorials online that show how to convert an old computer power supply into a bench power supply. But ...
By: DIY Hacks and How Tos

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Wed, 23 Apr 2014 10:59:50 PDT
World's smallest variable power supply http://www.instructables.com/id/Worlds-smallest-variable-power-supply/
World's smallest variable power supply - More DIY How To Projects]]> http://cdn.instructables.com/FJ1/H8Y7/HUBWTO8R/FJ1H8Y7HUBWTO8R.SQUARE2.jpg http://cdn.instructables.com/FJ1/H8Y7/HUBWTO8R/FJ1H8Y7HUBWTO8R.SQUARE.jpg http://cdn.instructables.com/FJ1/H8Y7/HUBWTO8R/FJ1H8Y7HUBWTO8R.SMALL.jpg karthickaski The main problem faced by the electronics engineers are they want a variable power supply for testing their circuits.the cost of the variable power supply is nearer to $5.here I am going to make the variable power supply in the range of 0-12V .this instructable costs less than $1. This instruct...
By: karthickaski

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Wed, 23 Apr 2014 10:48:24 PDT
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/FQU/CWD4/HXLMLK09/FQUCWD4HXLMLK09.SQUARE2.jpg http://cdn.instructables.com/FQU/CWD4/HXLMLK09/FQUCWD4HXLMLK09.SQUARE.jpg http://cdn.instructables.com/FQU/CWD4/HXLMLK09/FQUCWD4HXLMLK09.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 For the people who are indulged in electronics either as a hobby or as a profession, one of the most essential parts of work is the power supply. Without power, electronics circuits and devices are a piece of paperweight. Power supplies are the devices which provide energy to the electronic circuits...
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/F8I/6HAY/I0A55ZXL/F8I6HAYI0A55ZXL.SQUARE2.jpg http://cdn.instructables.com/F8I/6HAY/I0A55ZXL/F8I6HAYI0A55ZXL.SQUARE.jpg http://cdn.instructables.com/F8I/6HAY/I0A55ZXL/F8I6HAYI0A55ZXL.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
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