Instructables: exploring - technology - power supply http://www.instructables.com Sat, 23 Jul 2016 04:34:13 PDT BLOX v1.01 Variable Bench Power Supply http://www.instructables.com/id/Variable-Bench-Power-Supply/
Variable Bench Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FBE/DPFC/IQU0Z7P8/FBEDPFCIQU0Z7P8.SQUARE2.jpg http://cdn.instructables.com/FBE/DPFC/IQU0Z7P8/FBEDPFCIQU0Z7P8.SQUARE.jpg http://cdn.instructables.com/FBE/DPFC/IQU0Z7P8/FBEDPFCIQU0Z7P8.SMALL.jpg leomiranda This is a simple adjustable bench power supply I built to help me in my instructables. 8 )Some time ago I build another using a computer (ATX) power supply, but this kind of solution provides fixed values: 3.3, 5 and 12 volts. This is the less expensive solution you will find (just if you have an AT...
By: leomiranda

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Thu, 21 Jul 2016 11:43:38 PDT
Portable Power Supply http://www.instructables.com/id/Portable-Power-Supply/
Portable Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/F4N/2157/IQTZX8DX/F4N2157IQTZX8DX.SQUARE2.jpg http://cdn.instructables.com/F4N/2157/IQTZX8DX/F4N2157IQTZX8DX.SQUARE.jpg http://cdn.instructables.com/F4N/2157/IQTZX8DX/F4N2157IQTZX8DX.SMALL.jpg tutdude98 I have bunch of old power adapters (those with transformers) and some laptop power supplys that are around 16-20v but i needed 12v for charging lead acid batteries. Since 12v lead acids charge at around 14.4v i had to lower voltage from 16v (we in case with laptop charger from 19v) down to 14.4v to ...
By: tutdude98

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Wed, 20 Jul 2016 13:09:59 PDT
Portable power supply and phone charger http://www.instructables.com/id/Portable-Power-Supply-and-Phone-Charger/
Portable power supply and phone charger - More DIY How To Projects]]> http://cdn.instructables.com/FU7/POLC/IQTTBZPW/FU7POLCIQTTBZPW.SQUARE2.jpg http://cdn.instructables.com/FU7/POLC/IQTTBZPW/FU7POLCIQTTBZPW.SQUARE.jpg http://cdn.instructables.com/FU7/POLC/IQTTBZPW/FU7POLCIQTTBZPW.SMALL.jpg GreatIndianJugadu I've recently started to try my hands in the world of DIY, while trying different circuits I felt a need to have a variable power supply. Being a frugal guy that I am I built one for myself. This power supply uses an old lithium ion phone battery as a source and a voltage boost module to get the des...
By: GreatIndianJugadu

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Tue, 19 Jul 2016 23:04:15 PDT
Building a super simple regulated bench power supply from an old external hard drive http://www.instructables.com/id/Building-a-Super-Simple-Regulated-Bench-Power-Supp/
Building a super simple regulated bench power supply from an old external hard drive - More DIY How To Projects]]> http://cdn.instructables.com/FTF/RQC0/IQIA788R/FTFRQC0IQIA788R.SQUARE2.jpg http://cdn.instructables.com/FTF/RQC0/IQIA788R/FTFRQC0IQIA788R.SQUARE.jpg http://cdn.instructables.com/FTF/RQC0/IQIA788R/FTFRQC0IQIA788R.SMALL.jpg FerriteGiant When doing electronics work, a regulated power supply is about the most useful thing one can have (maybe only second to a multimeter). Nice lab ones are in the hundreds of dollars but you can make a perfectly serviceable one with some old computer parts and a few bucks. Supplies - External hard ...
By: FerriteGiant

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Tue, 12 Jul 2016 06:00:05 PDT
Eurorack Modular Synth Power Supply http://www.instructables.com/id/Eurorack-Modular-Synth-Power-Supply/
Eurorack Modular Synth Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/F5R/NRAK/IQIJ615U/F5RNRAKIQIJ615U.SQUARE2.jpg http://cdn.instructables.com/F5R/NRAK/IQIJ615U/F5RNRAKIQIJ615U.SQUARE.jpg http://cdn.instructables.com/F5R/NRAK/IQIJ615U/F5RNRAKIQIJ615U.SMALL.jpg gmsnsynthdesign In order to build the Pure Power you will need the following tools:· Soldering Iron· Solder Wire· Snips· Phillips ScrewdriverThe kits are available from http://gmsn.co.uk/product/gmsn-pure-power/. Populating the PCB OverviewPopulating the PCB is best done starting with the low...
By: gmsnsynthdesign

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Tue, 12 Jul 2016 04:06:20 PDT
Build Your Own Battery Power Supply http://www.instructables.com/id/Build-Your-Own-Battery-Power-Supply/
Build Your Own Battery Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FZZ/HPFV/IQ2O2Z4R/FZZHPFVIQ2O2Z4R.SQUARE2.jpg http://cdn.instructables.com/FZZ/HPFV/IQ2O2Z4R/FZZHPFVIQ2O2Z4R.SQUARE.jpg http://cdn.instructables.com/FZZ/HPFV/IQ2O2Z4R/FZZHPFVIQ2O2Z4R.SMALL.jpg Lucas Reed Have you ever needed to power a project that's not near an outlet? Have you needed to test using different voltages? Are you curious about analog circuits and power? Using Autodesk Circuits and a lead-acid battery, you can create a circuit that will act as a variable power supply, outputting a range...
By: Lucas Reed

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Thu, 30 Jun 2016 18:06:45 PDT
Arduino controlled power supply source http://www.instructables.com/id/Arduino-Controlled-Power-Supply-Source/
Arduino controlled power supply source - More DIY How To Projects]]> http://cdn.instructables.com/FAP/0RHV/IQ1747BJ/FAP0RHVIQ1747BJ.SQUARE2.jpg http://cdn.instructables.com/FAP/0RHV/IQ1747BJ/FAP0RHVIQ1747BJ.SQUARE.jpg http://cdn.instructables.com/FAP/0RHV/IQ1747BJ/FAP0RHVIQ1747BJ.SMALL.jpg Milen This instructable describes how to design an Arduino controlled power supply source.A short video presenting its work can be seen in my Youtube channel Design ideas, used approach... The purpose of the project was to create a small power supply block with extended functions : To be ab...
By: Milen

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Thu, 30 Jun 2016 07:19:42 PDT
Adjustable high current Lab SMPS out of a standard ATX PS http://www.instructables.com/id/Adjustable-High-Current-Lab-SMPS-Out-of-a-Standard/
Adjustable high current Lab SMPS out of a standard ATX PS - More DIY How To Projects]]> http://cdn.instructables.com/FQD/XMI8/IPU1VYEV/FQDXMI8IPU1VYEV.SQUARE2.jpg http://cdn.instructables.com/FQD/XMI8/IPU1VYEV/FQDXMI8IPU1VYEV.SQUARE.jpg http://cdn.instructables.com/FQD/XMI8/IPU1VYEV/FQDXMI8IPU1VYEV.SMALL.jpg Gabse I like to work on PCs, therefore I stored lots of ATX Power Supply’s over the years. I always thought that switching technology is something very complicated, but with some electric basic knowledge it is relatively easy to understand. Although this project is a bit complicated, and requires some bas...
By: Gabse

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Sat, 25 Jun 2016 06:09:47 PDT
DIY 5 VOLT REGULATED POWER SUPPLY MODULE http://www.instructables.com/id/DIY-5-VOLT-REGULATED-POWER-SUPPLY-MODULE/
DIY 5 VOLT REGULATED POWER SUPPLY MODULE - More DIY How To Projects]]> http://cdn.instructables.com/F1R/S1ER/IPTJ9WMX/F1RS1ERIPTJ9WMX.SQUARE2.jpg http://cdn.instructables.com/F1R/S1ER/IPTJ9WMX/F1RS1ERIPTJ9WMX.SQUARE.jpg http://cdn.instructables.com/F1R/S1ER/IPTJ9WMX/F1RS1ERIPTJ9WMX.SMALL.jpg DIYmechanics Hi friends how are you ?i hope you are fine !Today in this instructable we are going to make a Diy 5 volt power supply module for just 3$. cheap right !!!Not only cheap It is also simple to make . you can use this simple power supply module for arduino , sensors and breadboard.The reason i come up w...
By: DIYmechanics

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Fri, 24 Jun 2016 11:11:24 PDT
Upgrade Your Old Power Supply http://www.instructables.com/id/Upgrade-Your-Old-Power-Supply/
Upgrade Your Old Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FOA/BFP4/IPR6XGK4/FOABFP4IPR6XGK4.SQUARE2.jpg http://cdn.instructables.com/FOA/BFP4/IPR6XGK4/FOABFP4IPR6XGK4.SQUARE.jpg http://cdn.instructables.com/FOA/BFP4/IPR6XGK4/FOABFP4IPR6XGK4.SMALL.jpg sbizarro Got an old power supply from a friend, he got it at the flea market for a couple of euros. Worked great, but the knob just had numbers from 1 to 9, and for a precise measure I always had to connect a multimeter...So decided to add a mini voltage meter to it. Gather your tools and a voltage meter d...
By: sbizarro

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Wed, 22 Jun 2016 11:32:14 PDT
SAVE Your PRINT When the Power Goes Out! Longterm Battery Backup http://www.instructables.com/id/SAVE-Your-PRINT-When-the-Power-Goes-Out-Longterm-B/
SAVE Your PRINT When the Power Goes Out! Longterm Battery Backup - More DIY How To Projects]]> http://cdn.instructables.com/F0P/L4YW/IPQLUHI3/F0PL4YWIPQLUHI3.SQUARE2.jpg http://cdn.instructables.com/F0P/L4YW/IPQLUHI3/F0PL4YWIPQLUHI3.SQUARE.jpg http://cdn.instructables.com/F0P/L4YW/IPQLUHI3/F0PL4YWIPQLUHI3.SMALL.jpg ManufacturedArtists Have you ever been 18 hours into a 20 hour print and had your power go off? Frustrating and wasteful, isn't it? What if I told you I had a way to keep your printer up and running for a couple hours, or longer? One of the drawbacks to conventional battery backups is they simply do not have the stora...
By: ManufacturedArtists

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Wed, 22 Jun 2016 07:26:11 PDT
5 volt Power Supply http://www.instructables.com/id/5-Volt-Power-Supply/
5 volt Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/F6H/QBHS/IPPAN0J5/F6HQBHSIPPAN0J5.SQUARE2.jpg http://cdn.instructables.com/F6H/QBHS/IPPAN0J5/F6HQBHSIPPAN0J5.SQUARE.jpg http://cdn.instructables.com/F6H/QBHS/IPPAN0J5/F6HQBHSIPPAN0J5.SMALL.jpg MohamedS312 How to get a regulated 5v power supply for your control circuits using :- 7805- Buck converter
By: MohamedS312

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Sun, 19 Jun 2016 10:38:18 PDT
How to Calibrate the Analog Discovery 2 http://www.instructables.com/id/How-to-Calibrate-the-Analog-Discovery-2/
How to Calibrate the Analog Discovery 2 - More DIY How To Projects]]> http://cdn.instructables.com/F41/5OXZ/IPH0EC0W/F415OXZIPH0EC0W.SQUARE2.jpg http://cdn.instructables.com/F41/5OXZ/IPH0EC0W/F415OXZIPH0EC0W.SQUARE.jpg http://cdn.instructables.com/F41/5OXZ/IPH0EC0W/F415OXZIPH0EC0W.SMALL.jpg Commanderfranz The Analog Discovery 2 is a all-in-one pocket instrument for electronics containing a 2 channel oscilloscope, power supplies, waveform generators, logic analyzers and more. Recently, I discovered that along with being factory calibrated, you can also calibrate the Analog Discovery 2 once you receive...
By: Commanderfranz

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Wed, 15 Jun 2016 11:35:21 PDT
Polarity-Reversing Cable for DC Power Supply http://www.instructables.com/id/Polarity-Reversing-DC-Extension-Cord/
Polarity-Reversing Cable for DC Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FDO/JEIN/IP093Z20/FDOJEINIP093Z20.SQUARE2.jpg http://cdn.instructables.com/FDO/JEIN/IP093Z20/FDOJEINIP093Z20.SQUARE.jpg http://cdn.instructables.com/FDO/JEIN/IP093Z20/FDOJEINIP093Z20.SMALL.jpg gregnjny This is a very simple Instructable aimed at a specific problem. What to do if a DC power supply has the wrong output polarity – say, the plug tip is positive and the barrel is negative, but you need the opposite?I recently needed a power supply for a Casio CTK-491 musical keyboard. I had one with ...
By: gregnjny

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Sun, 5 Jun 2016 20:40:38 PDT
2.4G Wireless data collation system based on Arduino RF Uart http://www.instructables.com/id/24G-Wireless-Data-Collation-System-Based-on-Arduin/
2.4G Wireless data collation system based on Arduino RF Uart - More DIY How To Projects]]> http://cdn.instructables.com/FDA/AS5C/IP1EXLMO/FDAAS5CIP1EXLMO.SQUARE2.jpg http://cdn.instructables.com/FDA/AS5C/IP1EXLMO/FDAAS5CIP1EXLMO.SQUARE.jpg http://cdn.instructables.com/FDA/AS5C/IP1EXLMO/FDAAS5CIP1EXLMO.SMALL.jpg inhaos Modern smart home can easily connect to each other all the electrical equipment, but almost all terminals rely on power supply provided energy, so we need to do a smaller size power,INHAOS AC-5000 provides 5W of power in a small size, it enough for most of the terminal equipment to provide adequate ...
By: inhaos

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Sun, 5 Jun 2016 00:09:54 PDT
Full bridge rectifier DIY http://www.instructables.com/id/Full-Bridge-Rectifier-DIY/
Full bridge rectifier DIY - More DIY How To Projects]]> http://cdn.instructables.com/F50/ML7K/IOT2YYEG/F50ML7KIOT2YYEG.SQUARE2.jpg http://cdn.instructables.com/F50/ML7K/IOT2YYEG/F50ML7KIOT2YYEG.SQUARE.jpg http://cdn.instructables.com/F50/ML7K/IOT2YYEG/F50ML7KIOT2YYEG.SMALL.jpg cartonerdd In this tutorial will be explained step by step the process of making a full bridge rectifier. One of the main advantages of this devices is the possibility of having a power supply for DC Voltage components from an AC Voltage source. Design of the circuit In this step, the design of the circuit ...
By: cartonerdd

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Mon, 30 May 2016 22:23:01 PDT
Build a dual adjustable power supply with used laptop chargers http://www.instructables.com/id/Build-a-Dual-Adjustable-Power-Supply-With-Used-Lap/
Build a dual adjustable power supply with used laptop chargers - More DIY How To Projects]]> http://cdn.instructables.com/FCD/VLI0/IOO5KX19/FCDVLI0IOO5KX19.SQUARE2.jpg http://cdn.instructables.com/FCD/VLI0/IOO5KX19/FCDVLI0IOO5KX19.SQUARE.jpg http://cdn.instructables.com/FCD/VLI0/IOO5KX19/FCDVLI0IOO5KX19.SMALL.jpg pskx55 The last years I have been focusing on Arduino projects where a USB wall plug with 5V output is almost the only power supply that I needed. When I started a project a few months ago to generate audio waves with an Arduino I needed a dual power supply to build the analog amplifier step and had none...
By: pskx55

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Sun, 29 May 2016 09:00:04 PDT
Regulated Power Supply http://www.instructables.com/id/Regulated-Power-Supply-2/
Regulated Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FJG/WPNK/IOO5KAU3/FJGWPNKIOO5KAU3.SQUARE2.jpg http://cdn.instructables.com/FJG/WPNK/IOO5KAU3/FJGWPNKIOO5KAU3.SQUARE.jpg http://cdn.instructables.com/FJG/WPNK/IOO5KAU3/FJGWPNKIOO5KAU3.SMALL.jpg ElectroBM Regulated power supply or variable power supply are most common electronic devices that every electronic engineer or hobby electrician must have. Today you can buy lot of power supplies but their can be expensive. So in this steps I will explain you how variable power supply works, put some schemati...
By: ElectroBM

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Sat, 28 May 2016 12:41:27 PDT
Auto-Power-Off 3D Printer http://www.instructables.com/id/Auto-Power-Off-3D-Printer/
Auto-Power-Off 3D Printer - More DIY How To Projects]]> http://cdn.instructables.com/FPV/Q82T/IOO54NKE/FPVQ82TIOO54NKE.SQUARE2.jpg http://cdn.instructables.com/FPV/Q82T/IOO54NKE/FPVQ82TIOO54NKE.SQUARE.jpg http://cdn.instructables.com/FPV/Q82T/IOO54NKE/FPVQ82TIOO54NKE.SMALL.jpg tpfeffer Welcome to my first Instructable,today i show you how to auto-power-off your 3D printer. There are several ways to do this, like using an ATX etc. pc power supply which has a pin for that, a remote controlled socket (but you have to shut it down wirelessly).So i decided to mount a servo on my power ...
By: tpfeffer

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Thu, 26 May 2016 09:56:11 PDT
Electric Bike Charger from Mean Well Power Supply http://www.instructables.com/id/Electric-Bike-Charger-From-Mean-Well-Power-Supply/
Electric Bike Charger from Mean Well Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FN7/32U3/IOK9NGFH/FN732U3IOK9NGFH.SQUARE2.jpg http://cdn.instructables.com/FN7/32U3/IOK9NGFH/FN732U3IOK9NGFH.SQUARE.jpg http://cdn.instructables.com/FN7/32U3/IOK9NGFH/FN732U3IOK9NGFH.SMALL.jpg Invention1 Got an electric bike? No doubt it came with a charger. Eventually, you'll need another charger, since they sometimes burn out. What's in that expensive box? The core of a charger for Lithium batteries is called a CC(Constant Current)/CV (Constant Voltage) power supply. These will create a consta...
By: Invention1

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Mon, 23 May 2016 20:20:46 PDT
TDA7294 150W http://www.instructables.com/id/TDA7294-150W/
TDA7294 150W - More DIY How To Projects]]> http://cdn.instructables.com/FRJ/1XOM/INVZ4U79/FRJ1XOMINVZ4U79.SQUARE2.jpg http://cdn.instructables.com/FRJ/1XOM/INVZ4U79/FRJ1XOMINVZ4U79.SQUARE.jpg http://cdn.instructables.com/FRJ/1XOM/INVZ4U79/FRJ1XOMINVZ4U79.SMALL.jpg GateweayPC Amplifier datasheetL = 8Ω ; VS = ±40V L = 6Ω ; VS = ±34V L = 4Ω ; VS = ±30VThis amplifier can work from any stable power supply (without bipolar power supply) PCB How to made pcb can find in my other instructables www.instructables.com/id/Tda7560-4X50w/This PCB i choice because this is smaller (8...
By: GateweayPC

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Sat, 7 May 2016 09:00:23 PDT
DIY Bench Power Supply (Dual-Channel) http://www.instructables.com/id/DIY-Bench-Power-Supply-Dual-Channel/
DIY Bench Power Supply (Dual-Channel) - More DIY How To Projects]]> http://cdn.instructables.com/FO2/TD7B/INU1FQBB/FO2TD7BINU1FQBB.SQUARE2.jpg http://cdn.instructables.com/FO2/TD7B/INU1FQBB/FO2TD7BINU1FQBB.SQUARE.jpg http://cdn.instructables.com/FO2/TD7B/INU1FQBB/FO2TD7BINU1FQBB.SMALL.jpg supernova432 Every electronic hobbyist needs a variable power supply for prototyping and testing, but they can be very expensive. I will show you how to build a cheap yet reliable power supply. ​The Parts List: The Parts List: To build this specific power supply, you will need the following: 1x Switching Pow...
By: supernova432

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Thu, 5 May 2016 04:41:58 PDT
desktop power supply from recycled computer power supply http://www.instructables.com/id/Desktop-Power-Supply-From-Recycled-Computer-Power-/
desktop power supply from recycled computer power supply - More DIY How To Projects]]> http://cdn.instructables.com/FU7/MKAB/INGBHO5O/FU7MKABINGBHO5O.SQUARE2.jpg http://cdn.instructables.com/FU7/MKAB/INGBHO5O/FU7MKABINGBHO5O.SQUARE.jpg http://cdn.instructables.com/FU7/MKAB/INGBHO5O/FU7MKABINGBHO5O.SMALL.jpg DominicoC In this inscrutable I will walk you through building a desktop power supply from a recycled computer power supply. First off if you are wondering what a desktop power supply is and what it is used for , well it is a electronic device that takes the 120v or 220v from your wall outlet and reduces the...
By: DominicoC

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Tue, 26 Apr 2016 09:50:07 PDT
Adjustable power supply http://www.instructables.com/id/Adjustable-DC-Power-Supply/
Adjustable power supply - More DIY How To Projects]]> http://cdn.instructables.com/FZM/ZUXB/IN7QRPD0/FZMZUXBIN7QRPD0.SQUARE2.jpg http://cdn.instructables.com/FZM/ZUXB/IN7QRPD0/FZMZUXBIN7QRPD0.SQUARE.jpg http://cdn.instructables.com/FZM/ZUXB/IN7QRPD0/FZMZUXBIN7QRPD0.SMALL.jpg Arne Saknussem Aproveitando um velho carregador de notebook e mais alguns simples componentes, construí essa fonte de alimentação para a minha bancada.Como eu morava em apartamento e não era permitido usar ferramentas pesadas para construir gabinetes, tive que optar em acondicionar o circuito dentro de tubo de esg...
By: Arne Saknussem

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Tue, 19 Apr 2016 13:26:01 PDT
50w Supply with Halogen Lamp Transformer http://www.instructables.com/id/50w-Supply-With-Halogen-Lamp-Transformer/
50w Supply with Halogen Lamp Transformer - More DIY How To Projects]]> http://cdn.instructables.com/F6F/ICAY/IN7QQSOZ/F6FICAYIN7QQSOZ.SQUARE2.jpg http://cdn.instructables.com/F6F/ICAY/IN7QQSOZ/F6FICAYIN7QQSOZ.SQUARE.jpg http://cdn.instructables.com/F6F/ICAY/IN7QQSOZ/F6FICAYIN7QQSOZ.SMALL.jpg simpletronic Electronic transformers for halogen lamps are very compact and lightweight. An equivalent power (60W) iron-core version weighs over 1500 grams versus 50 g of the electronic one. Size is much smaller and operation generates less noise and heat. These devices are produced massively which makes them ve...
By: simpletronic

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Tue, 19 Apr 2016 11:32:13 PDT
How To Check Polarity Of Powerfull LEDs http://www.instructables.com/id/How-to-Check-Polarity-of-Powerfull-LEDs/
How To Check Polarity Of Powerfull LEDs - More DIY How To Projects]]> http://cdn.instructables.com/FYE/OK5C/IN0LK5J7/FYEOK5CIN0LK5J7.SQUARE2.jpg http://cdn.instructables.com/FYE/OK5C/IN0LK5J7/FYEOK5CIN0LK5J7.SQUARE.jpg http://cdn.instructables.com/FYE/OK5C/IN0LK5J7/FYEOK5CIN0LK5J7.SMALL.jpg Testas.T In this instructable i will tell (show) you how to find out the polarity of a powerful LEDs. If You Are To Lazy To Read Then Watch The Video (everything is written in step 2) Process On powerful LEDs you can see polarity markings printed in corners of LED. But that marking is confusing. To ch...
By: Testas.T

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Thu, 14 Apr 2016 12:03:49 PDT
DIY 5v Portable USB Power Supply http://www.instructables.com/id/DIY-5v-Portable-USB-Power-Supply/
DIY 5v Portable USB Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/F8C/IC3C/IMJGAT19/F8CIC3CIMJGAT19.SQUARE2.jpg http://cdn.instructables.com/F8C/IC3C/IMJGAT19/F8CIC3CIMJGAT19.SQUARE.jpg http://cdn.instructables.com/F8C/IC3C/IMJGAT19/F8CIC3CIMJGAT19.SMALL.jpg antoine57 Hi! Today i'm gonna show you how to make a portable 5v USB power supply.This project run on an 9v battery and use a car charger from the dollar store. You will learn about USB charger and how they work. We will make our own 9v battery clip! Don't worry if it look a little hard for you, i made a real...
By: antoine57

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Sat, 2 Apr 2016 20:31:34 PDT
Dual Lab PSU With Protection Made From Computer PSU http://www.instructables.com/id/Dual-Lab-PSU-With-Protection-Made-From-Computer-PS/
Dual Lab PSU With Protection Made From Computer PSU - More DIY How To Projects]]> http://cdn.instructables.com/FSI/92WY/ILY0S9QB/FSI92WYILY0S9QB.SQUARE2.jpg http://cdn.instructables.com/FSI/92WY/ILY0S9QB/FSI92WYILY0S9QB.SQUARE.jpg http://cdn.instructables.com/FSI/92WY/ILY0S9QB/FSI92WYILY0S9QB.SMALL.jpg Testas.T This is another lab power supply i made from old computer power supply. It's double pole, adjustable 2.4v-27.5V, between both poles there is 55V. It's easy to make this, you need to desolder all output components, leave everything around main ic and solder couple of new parts( resistors, capacitors,...
By: Testas.T

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Sat, 19 Mar 2016 10:28:38 PDT
Handy Power Supply http://www.instructables.com/id/Handy-Power-Supply/
Handy Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FCX/TGOQ/ILY0PR7Y/FCXTGOQILY0PR7Y.SQUARE2.jpg http://cdn.instructables.com/FCX/TGOQ/ILY0PR7Y/FCXTGOQILY0PR7Y.SQUARE.jpg http://cdn.instructables.com/FCX/TGOQ/ILY0PR7Y/FCXTGOQILY0PR7Y.SMALL.jpg RegisHsu This is a small size power supply with low cost and easy to make that only taking about 5 more hours. I was very happy with it and would share with you.Power Supply SpecificationsInput: 5v-16v/3A DCOutput: 1.3V - 15.5V/2 Amps Materials and Tools Here is a list of materials and tools I used for th...
By: RegisHsu

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Fri, 18 Mar 2016 23:27:29 PDT
Homemade Adjustable Dual Pole +/-27V Power Supply Made From Computer Power Supply http://www.instructables.com/id/Homemade-Adjustable-Double-Pole-27V-Power-Supply-M/
Homemade Adjustable Dual Pole +/-27V Power Supply Made From Computer Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FLM/U4WA/ILE0LGPF/FLMU4WAILE0LGPF.SQUARE2.jpg http://cdn.instructables.com/FLM/U4WA/ILE0LGPF/FLMU4WAILE0LGPF.SQUARE.jpg http://cdn.instructables.com/FLM/U4WA/ILE0LGPF/FLMU4WAILE0LGPF.SMALL.jpg Testas.T So there i made double pole power supply from atx computer power supply. It gives + 27v ant -27v, between +27 and -27 there are + 52v. I desoldered most of low voltage circuitry, and put 3 resistors and couple of jumper wires. I also removed safety circuit, so later i will solder up new circuit just...
By: Testas.T

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Fri, 4 Mar 2016 14:51:17 PST
3 output power supply http://www.instructables.com/id/3-Output-Power-Supply/
3 output power supply - More DIY How To Projects]]> http://cdn.instructables.com/FEQ/5757/IKJ8L7X4/FEQ5757IKJ8L7X4.SQUARE2.jpg http://cdn.instructables.com/FEQ/5757/IKJ8L7X4/FEQ5757IKJ8L7X4.SQUARE.jpg http://cdn.instructables.com/FEQ/5757/IKJ8L7X4/FEQ5757IKJ8L7X4.SMALL.jpg AnsoGroup I needed an external power supply for my projects. I had an old dvd player which refused to work anymore so I decided to give him another utility. I have removed the power board and all other parts which could be used for some other projects.With power supply from dvd player I made one external pow...
By: AnsoGroup

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Sun, 14 Feb 2016 15:50:33 PST
Powerful two speed car blower soldering fume extractor http://www.instructables.com/id/Powerful-Two-Speed-Fume-Extractor-Using-a-Car-Air-/
Powerful two speed car blower soldering fume extractor - More DIY How To Projects]]> http://cdn.instructables.com/FBW/4ZNZ/IKLFPZKV/FBW4ZNZIKLFPZKV.SQUARE2.jpg http://cdn.instructables.com/FBW/4ZNZ/IKLFPZKV/FBW4ZNZIKLFPZKV.SQUARE.jpg http://cdn.instructables.com/FBW/4ZNZ/IKLFPZKV/FBW4ZNZIKLFPZKV.SMALL.jpg Electrospark In this instructable I will show you how to make a very powerful fume extractor from a car A/C Heater air blower supplied by an ATX computer power supply. If you already made a fume extractor from a computer fan before or you own a genuine fume extractor, you are probably aware that it's not very ef...
By: Electrospark

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Sat, 13 Feb 2016 15:02:33 PST
Double Laboratory Power Supply Reusing Old Recorders http://www.instructables.com/id/Double-Laboratory-Power-Supply-Reusing-Old-Recorde/
Double Laboratory Power Supply Reusing Old Recorders - More DIY How To Projects]]> http://cdn.instructables.com/F3N/OPC9/IKFQ1GWC/F3NOPC9IKFQ1GWC.SQUARE2.jpg http://cdn.instructables.com/F3N/OPC9/IKFQ1GWC/F3NOPC9IKFQ1GWC.SQUARE.jpg http://cdn.instructables.com/F3N/OPC9/IKFQ1GWC/F3NOPC9IKFQ1GWC.SMALL.jpg Francisco Javier Ruiz Racero I am a telecommunications engineering student, and i needed a power supply for prove the circuits i have to mount for practices. I didn't like going to university every time i had to do a test. Then, i found at home two old recorders and i thought to recycle it for to do a power supply!The power sup...
By: Francisco Javier Ruiz Racero

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Wed, 10 Feb 2016 08:05:32 PST
DIY Lab Bench Power Supply ! http://www.instructables.com/id/DIY-Lab-Bench-Power-Supply-/
DIY Lab Bench Power Supply ! - More DIY How To Projects]]> http://cdn.instructables.com/F97/GARK/IKCV5ATV/F97GARKIKCV5ATV.SQUARE2.jpg http://cdn.instructables.com/F97/GARK/IKCV5ATV/F97GARKIKCV5ATV.SQUARE.jpg http://cdn.instructables.com/F97/GARK/IKCV5ATV/F97GARKIKCV5ATV.SMALL.jpg Kedar Nimbalkar A Bench Power Supply Is Very Important Instrument For Your Electronics Hobby or Professional Work , Everything Needs Power Supply ! Under 60 $ It's Very Useful DIY Project For Anyone Interested In Electronics.We're going to make a lab bench power supply rated at 216 Watts ,36 volts & 6 Amperes . Com...
By: Kedar Nimbalkar

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Mon, 8 Feb 2016 06:42:00 PST
Super USB Charger, and 12V Power Supply http://www.instructables.com/id/Super-USB-Charger-and-12V-Power-Supply/
Super USB Charger, and 12V Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FC2/KMB7/IK7BL02Y/FC2KMB7IK7BL02Y.SQUARE2.jpg http://cdn.instructables.com/FC2/KMB7/IK7BL02Y/FC2KMB7IK7BL02Y.SQUARE.jpg http://cdn.instructables.com/FC2/KMB7/IK7BL02Y/FC2KMB7IK7BL02Y.SMALL.jpg joeynovak This is super super simple power supply that will give you a high current 5v supply you can charge a zillion devices at once with, and a decent 12v power supply. No soldering required. Mount Screw Terminal Strip, Cut Wires, Separate Wires, Trim Wires, Strip Wires, Attach to terminal. First, you ...
By: joeynovak

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Wed, 3 Feb 2016 19:24:35 PST
How to make a low-power Power Supply Unit from discarded DVD player http://www.instructables.com/id/How-to-Make-a-Low-Power-Supply-From-a-Discarded-DV/
How to make a low-power Power Supply Unit from discarded DVD player - More DIY How To Projects]]> http://cdn.instructables.com/F2A/ZB0A/IJYV8X0U/F2AZB0AIJYV8X0U.SQUARE2.jpg http://cdn.instructables.com/F2A/ZB0A/IJYV8X0U/F2AZB0AIJYV8X0U.SQUARE.jpg http://cdn.instructables.com/F2A/ZB0A/IJYV8X0U/F2AZB0AIJYV8X0U.SMALL.jpg Qwertypat Have had enough of taping together batteries or making tagliatelli of wires to provide some volts for your electronic project? Yes you have !Instead of buying a new PSU (power supply unit) why not use a power circuit board of discarded A/V equipment or other home appliances. Many audiovisual devices...
By: Qwertypat

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Wed, 3 Feb 2016 08:17:49 PST
Wouxun KG-UV6D radio 12v power convertor http://www.instructables.com/id/Wouxun-KG-UV6D-Radio-12v-Power-Convertor/
Wouxun KG-UV6D radio 12v power convertor - More DIY How To Projects]]> http://cdn.instructables.com/FGE/K0L8/IJUAFHW1/FGEK0L8IJUAFHW1.SQUARE2.jpg http://cdn.instructables.com/FGE/K0L8/IJUAFHW1/FGEK0L8IJUAFHW1.SQUARE.jpg http://cdn.instructables.com/FGE/K0L8/IJUAFHW1/FGEK0L8IJUAFHW1.SMALL.jpg ChrisJ96 The Wouxun KG-UV6D is my choice of amateur radio hand held covering the 2m and 70cm amateur bands. The radio has worked beautifully for several years but lately it hasn't held a charge indicating the lithium iron battery needed replacing. Looking on line for a battery I got side tracked and found ...
By: ChrisJ96

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Mon, 25 Jan 2016 18:24:50 PST
Pencil Box Triple Output Power Supply http://www.instructables.com/id/Pencil-Box-Triple-Output-Power-Supply/
Pencil Box Triple Output Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FLN/5OV1/IJKEOX7M/FLN5OV1IJKEOX7M.SQUARE2.jpg http://cdn.instructables.com/FLN/5OV1/IJKEOX7M/FLN5OV1IJKEOX7M.SQUARE.jpg http://cdn.instructables.com/FLN/5OV1/IJKEOX7M/FLN5OV1IJKEOX7M.SMALL.jpg ajoyraman Re-purpose your old mobile phone chargers into a triple output power supply for bread-boarding analog and digital circuits.Mobile phone chargers which connect to the utility wall outlet are efficient switch-mode-power-supplies which convert the utility 110V/220V AC supply to 5V/6V DC with current ra...
By: ajoyraman

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Tue, 19 Jan 2016 02:21:05 PST
Homemade Taser (Stun Gun) http://www.instructables.com/id/Homemade-Taser-Stun-Gun/
Homemade Taser (Stun Gun) - More DIY How To Projects]]> http://cdn.instructables.com/F7D/QBO6/IJ8UQIR1/F7DQBO6IJ8UQIR1.SQUARE2.jpg http://cdn.instructables.com/F7D/QBO6/IJ8UQIR1/F7DQBO6IJ8UQIR1.SQUARE.jpg http://cdn.instructables.com/F7D/QBO6/IJ8UQIR1/F7DQBO6IJ8UQIR1.SMALL.jpg Testas.T There i use only 12V 400mA so sparks are small. Imagine if i would use powerful power supply like in this video https://www.youtube.com/watch?v=NrVMJ84Afg4 . In this video sparks are about 6cm so if i put capacitor to it it can get to maybe 7-8cm (if capacitor won't break due to to high voltage). Th...
By: Testas.T

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Fri, 8 Jan 2016 13:21:44 PST
0 - 12 V LM317 Power Supply http://www.instructables.com/id/0-12-V-LM317-Power-Supply/
0 - 12 V LM317 Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FD4/YLO2/IIYWVJG4/FD4YLO2IIYWVJG4.SQUARE2.jpg http://cdn.instructables.com/FD4/YLO2/IIYWVJG4/FD4YLO2IIYWVJG4.SQUARE.jpg http://cdn.instructables.com/FD4/YLO2/IIYWVJG4/FD4YLO2IIYWVJG4.SMALL.jpg randomkevin A power supply, whether it is a battery or a switched mode AC adapter, is one of the most important tools in electronics. Obviously, you need something to supply electricity to your electronic projects. Making your own power supply is also one of the most popular project for beginners and those who ...
By: randomkevin

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Mon, 4 Jan 2016 06:56:06 PST
Variable Voltage Power Supply <$15 http://www.instructables.com/id/Variable-Voltage-Power-Supply-15/
Variable Voltage Power Supply <$15 - More DIY How To Projects]]> http://cdn.instructables.com/FP4/L8VC/IIXFBHQR/FP4L8VCIIXFBHQR.SQUARE2.jpg http://cdn.instructables.com/FP4/L8VC/IIXFBHQR/FP4L8VCIIXFBHQR.SQUARE.jpg http://cdn.instructables.com/FP4/L8VC/IIXFBHQR/FP4L8VCIIXFBHQR.SMALL.jpg wcamammoths Gearbest.com sells a kit to build a power supply that is useful for breadboard, Arduino, and Raspberry Pi projects but the instructions are not in English. I will take you step by step how to build the project and for less than $15, you can build this power supply with a case. The website says tha...
By: wcamammoths

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Sat, 2 Jan 2016 23:14:29 PST
Battery Powered Power Supply, Selectable Voltage http://www.instructables.com/id/Battery-Powered-Power-Supply-Selectable-Voltage/
Battery Powered Power Supply, Selectable Voltage - More DIY How To Projects]]> http://cdn.instructables.com/F4W/WDJX/IIM415LC/F4WWDJXIIM415LC.SQUARE2.jpg http://cdn.instructables.com/F4W/WDJX/IIM415LC/F4WWDJXIIM415LC.SQUARE.jpg http://cdn.instructables.com/F4W/WDJX/IIM415LC/F4WWDJXIIM415LC.SMALL.jpg JRV31 This is a battery powered, self contained, power supply switchable between 3.3, 5, 6, and 9 volts. It uses an LM317 variable voltage regulator and a rotary switch to select the voltage. Twelve volts are available directly off the eight double A batteries.To build this power supply you will need: ...
By: JRV31

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Sat, 26 Dec 2015 09:37:21 PST
Reparación de Cargador MacBook Pro http://www.instructables.com/id/Reparación-De-Cargador-MacBook-Pro/
Reparación de Cargador MacBook Pro - More DIY How To Projects]]> http://cdn.instructables.com/FQF/TA4R/IILZR2EK/FQFTA4RIILZR2EK.SQUARE2.jpg http://cdn.instructables.com/FQF/TA4R/IILZR2EK/FQFTA4RIILZR2EK.SQUARE.jpg http://cdn.instructables.com/FQF/TA4R/IILZR2EK/FQFTA4RIILZR2EK.SMALL.jpg tomasdecamino La computadora MacBook Pro dura bastante, pero el cargador no. Lo único que se rompe es el cable, y en el punto de unión con el transformador que es la parte más difícil.En este instructable muestro como se puede reparar, no es difícil pero lleva su tiempo hacerlo. En total el pryecto es como de 1 h...
By: tomasdecamino

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Sat, 26 Dec 2015 07:12:31 PST
Salvaged/reused parts 5V/USB chargers. Multi-ID and multi-connector units. http://www.instructables.com/id/Salvagedreused-Parts-5VUSB-Chargers-Multi-ID-and-M/
Salvaged/reused parts 5V/USB chargers. Multi-ID and multi-connector units. - More DIY How To Projects]]> http://cdn.instructables.com/F7G/C691/IIJKWTNB/F7GC691IIJKWTNB.SQUARE2.jpg http://cdn.instructables.com/F7G/C691/IIJKWTNB/F7GC691IIJKWTNB.SQUARE.jpg http://cdn.instructables.com/F7G/C691/IIJKWTNB/F7GC691IIJKWTNB.SMALL.jpg Barkuti Hello!My first instructable. Maybe not rocket science but, being certainly something practical I thought I'd share.This is just a documented summary of what I did/I've done to bring to life two nicely operative USB chargers from 5V power supplies.Before anything, please note that the multi-ID unit w...
By: Barkuti

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Thu, 24 Dec 2015 05:56:05 PST
World's Smallest Power Supply ! http://www.instructables.com/id/Worlds-Smallest-Power-Supply-/
World's Smallest Power Supply ! - More DIY How To Projects]]> http://cdn.instructables.com/FVQ/NZ9A/IIHPG89G/FVQNZ9AIIHPG89G.SQUARE2.jpg http://cdn.instructables.com/FVQ/NZ9A/IIHPG89G/FVQNZ9AIIHPG89G.SQUARE.jpg http://cdn.instructables.com/FVQ/NZ9A/IIHPG89G/FVQNZ9AIIHPG89G.SMALL.jpg Kedar Nimbalkar Have you ever wanted tiny sized power supply that still pack lots of power, here's world's smallest power supply you can make under 6$ !!! Following Features will impress you that's for sure so why not make one ?# Features1. 3-25v Adjustable Voltage Output2. Built in 720mAh Battery Backup3. 2 Amp Ma...
By: Kedar Nimbalkar

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Tue, 22 Dec 2015 22:38:03 PST
Homemade Electronic-Resettable Fuse (Circuit Breaker) http://www.instructables.com/id/Homemade-Electronic-Resettable-Fuse-Circuit-Breake/
Homemade Electronic-Resettable Fuse (Circuit Breaker) - More DIY How To Projects]]> http://cdn.instructables.com/F6A/D3RC/IICCSYMZ/F6AD3RCIICCSYMZ.SQUARE2.jpg http://cdn.instructables.com/F6A/D3RC/IICCSYMZ/F6AD3RCIICCSYMZ.SQUARE.jpg http://cdn.instructables.com/F6A/D3RC/IICCSYMZ/F6AD3RCIICCSYMZ.SMALL.jpg Testas.T In this video i show my homemade electronic-resettable fuse. It's made out of car 12V relay, 2leds, 6.3V zener diode, 2 ordinary diodes and resistor. You can see the circuit in video close to end and there i explain how it works. It's simple circuit, everyone can make it. This fuse is really useful ...
By: Testas.T

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Thu, 17 Dec 2015 06:41:10 PST
B&D 18volt NiCad Charger Drill http://www.instructables.com/id/BD-18volt-NiCad-Charger-Drill/
B&D 18volt NiCad Charger Drill - More DIY How To Projects]]> http://cdn.instructables.com/F39/X561/II0M9BAO/F39X561II0M9BAO.SQUARE2.jpg http://cdn.instructables.com/F39/X561/II0M9BAO/F39X561II0M9BAO.SQUARE.jpg http://cdn.instructables.com/F39/X561/II0M9BAO/F39X561II0M9BAO.SMALL.jpg habitantq here's the schematic for the easy-to-lose B&D 18volt charger.so you can make one easily for 2$ instead of buying one.
By: habitantq

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Thu, 10 Dec 2015 17:52:54 PST
Computer ATX Power Supply to Bench Power Supply http://www.instructables.com/id/Computer-ATX-Power-Supply-to-Bench-Power-Supply/
Computer ATX Power Supply to Bench Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FF6/HJD1/IHWIP3BV/FF6HJD1IHWIP3BV.SQUARE2.jpg http://cdn.instructables.com/FF6/HJD1/IHWIP3BV/FF6HJD1IHWIP3BV.SQUARE.jpg http://cdn.instructables.com/FF6/HJD1/IHWIP3BV/FF6HJD1IHWIP3BV.SMALL.jpg thermosinthesis In this instructable we will be learning how to turn an old computer ATX power supply into a bench power supply. Get an ATX Computer Power Supply Put that power supply that's been lying around collecting dust to good use or obtain an old one from a friend or recycling center for cheap. Gather Y...
By: thermosinthesis

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Tue, 8 Dec 2015 07:37:25 PST
Variable voltage supply http://www.instructables.com/id/Variable-voltage-supply/
Variable voltage supply - More DIY How To Projects]]> http://cdn.instructables.com/FKZ/6SDX/II30X9BJ/FKZ6SDXII30X9BJ.SQUARE2.jpg http://cdn.instructables.com/FKZ/6SDX/II30X9BJ/FKZ6SDXII30X9BJ.SQUARE.jpg http://cdn.instructables.com/FKZ/6SDX/II30X9BJ/FKZ6SDXII30X9BJ.SMALL.jpg rishabh8721 Its a simple and handy 'LM317 voltage regulator' based variable voltage supply. Along with some capacitors and resistors. Materials required Electrical components:- 1. LM317 voltage regulator 2. Variable resistor (10k ohm in my case) 3. R2 resistance (R2 value in step 2) 4. 1 uF capacitor 5. 0.1 ...
By: rishabh8721

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Sun, 6 Dec 2015 07:41:45 PST
Ultra Small portable power supply http://www.instructables.com/id/Battery-Powered-PSU-0-20V-0-2A-BPPSU/
Ultra Small portable power supply - More DIY How To Projects]]> http://cdn.instructables.com/FLK/RF8Y/IHUYLSD3/FLKRF8YIHUYLSD3.SQUARE2.jpg http://cdn.instructables.com/FLK/RF8Y/IHUYLSD3/FLKRF8YIHUYLSD3.SQUARE.jpg http://cdn.instructables.com/FLK/RF8Y/IHUYLSD3/FLKRF8YIHUYLSD3.SMALL.jpg Thorsten Singer Finally after a really busy time I finished a new project just a few days ago.Why to hell should I need thisMy main lab is in our stairwell, there is almost all my equipment, but sometimes specaly with arduino or raspberry I like to sit in the living room at my desk. But my living room is not my lab...
By: Thorsten Singer

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Thu, 3 Dec 2015 15:42:54 PST