Instructables: exploring - technology - electronics - supply http://www.instructables.com Thu, 18 Sep 2014 03:12:22 PDT BLOX v1.01 Yet another ATX bench top power supply http://www.instructables.com/id/Yet-another-ATX-bench-top-power-supply/
Yet another ATX bench top power supply - More DIY How To Projects]]> http://cdn.instructables.com/FGQ/9VVU/HV0KZ59Z/FGQ9VVUHV0KZ59Z.SQUARE2.jpg http://cdn.instructables.com/FGQ/9VVU/HV0KZ59Z/FGQ9VVUHV0KZ59Z.SQUARE.jpg http://cdn.instructables.com/FGQ/9VVU/HV0KZ59Z/FGQ9VVUHV0KZ59Z.SMALL.jpg cdesjardins Everyone has hacked their ATX supply to provide a crude and cheap bench top supply. However at work I have a “real” bench top power supply, and it is really nice to be able to adjust the voltage with a simple turn of a knob, and it is also really nice to get feedback on the amount of current being u...
By: cdesjardins

Continue Reading »]]>
Sun, 11 May 2014 03:35:08 PDT
Simple breadboard power supply http://www.instructables.com/id/Simple-breadboard-power-supply/
Simple breadboard power supply - More DIY How To Projects]]> http://cdn.instructables.com/F4V/TZ53/HUK2CNNE/F4VTZ53HUK2CNNE.SQUARE2.jpg http://cdn.instructables.com/F4V/TZ53/HUK2CNNE/F4VTZ53HUK2CNNE.SQUARE.jpg http://cdn.instructables.com/F4V/TZ53/HUK2CNNE/F4VTZ53HUK2CNNE.SMALL.jpg blackfire4116 This is a very simple solution for providing power to a breadboard. A few quick solder connections, maybe some drilling, and a little bit of heat shrink and your ready to go! Parts list Metal Clip (either with or without suction cup) heat shrink header pins red and black wire  ...
By: blackfire4116

Continue Reading »]]>
Mon, 28 Apr 2014 20:17:05 PDT
Variable Bench Power Supply with Active Cooling http://www.instructables.com/id/Variable-Bench-Power-Supply-with-Active-Cooling/
Variable Bench Power Supply with Active Cooling - More DIY How To Projects]]> http://cdn.instructables.com/FS6/NGQ2/HUIS4UP2/FS6NGQ2HUIS4UP2.SQUARE2.jpg http://cdn.instructables.com/FS6/NGQ2/HUIS4UP2/FS6NGQ2HUIS4UP2.SQUARE.jpg http://cdn.instructables.com/FS6/NGQ2/HUIS4UP2/FS6NGQ2HUIS4UP2.SMALL.jpg Khaleel123 I needed a new bench power supply that would be variable and inexpensive. I decided to reuse an old laptop power adapter that was not being used anymore and it gave me a nice filtered 19 volts DC. I then made up the circuit for the LM350 Variable voltage regulator on a breadboard to make sure it wor...
By: Khaleel123

Continue Reading »]]>
Sun, 27 Apr 2014 15:16:18 PDT
Diy Bench Power Supply (3D Printed) http://www.instructables.com/id/Diy-Bench-Power-Supply-3D-Printed/
Diy Bench Power Supply (3D Printed) - More DIY How To Projects]]> http://cdn.instructables.com/F5B/T00S/HU3TNGO0/F5BT00SHU3TNGO0.SQUARE2.jpg http://cdn.instructables.com/F5B/T00S/HU3TNGO0/F5BT00SHU3TNGO0.SQUARE.jpg http://cdn.instructables.com/F5B/T00S/HU3TNGO0/F5BT00SHU3TNGO0.SMALL.jpg dan8cat This is yet another Diy Bench Power Supply, It's made with an old atx computer power supply from an obsolete HP. It is design to be press fitted to the front of the power supply. I was inspired to build this Bench Power Supply because I needed something to power and test projects, But couldn't jus...
By: dan8cat

Continue Reading »]]>
Tue, 15 Apr 2014 16:27:34 PDT
Small DIY Bench Power Supply http://www.instructables.com/id/Small-DIY-Bench-Power-Supply/ http://cdn.instructables.com/F2O/C7GV/HTN0V4UG/F2OC7GVHTN0V4UG.SQUARE2.jpg http://cdn.instructables.com/F2O/C7GV/HTN0V4UG/F2OC7GVHTN0V4UG.SQUARE.jpg http://cdn.instructables.com/F2O/C7GV/HTN0V4UG/F2OC7GVHTN0V4UG.SMALL.jpg newtonn2 Here is a small video showing my latest project. It is a small bench power supply that can adjust with precision current or voltage. It is the first time I use an aluminium enclosure, so I decided to engrave the labels and symbols. I use 10 turn wirewound potentiometers to be able to adjust the volt...
By: newtonn2

Continue Reading »]]>
Mon, 7 Apr 2014 00:01:10 PDT
Charge your Kobo Vox anywhere there is +2A USB Power http://www.instructables.com/id/Charge-your-Kobo-Vox-anywhere-there-is-2A-USB-Powe/
Charge your Kobo Vox anywhere there is +2A USB Power - More DIY How To Projects]]> http://cdn.instructables.com/F77/SDY3/HSVGIQ4O/F77SDY3HSVGIQ4O.SQUARE2.jpg http://cdn.instructables.com/F77/SDY3/HSVGIQ4O/F77SDY3HSVGIQ4O.SQUARE.jpg http://cdn.instructables.com/F77/SDY3/HSVGIQ4O/F77SDY3HSVGIQ4O.SMALL.jpg stresser In this instruct-able I will show you how to charge your KOBO vox anywhere you can get 2A of usb power.If you own a Kobo Vox, you will know it comes with only an AC recharger with a 2 ft power cord, and kobo doesn't sell replacements, nor do they sell car chargers, and your included USB to PC cable ...
By: stresser

Continue Reading »]]>
Wed, 19 Mar 2014 19:19:15 PDT
The easiest symmetrical power supply http://www.instructables.com/id/The-easiest-symmetrical-power-supply/
The easiest symmetrical power supply - More DIY How To Projects]]> http://cdn.instructables.com/FX2/EGWJ/HSRZF2XE/FX2EGWJHSRZF2XE.SQUARE2.jpg http://cdn.instructables.com/FX2/EGWJ/HSRZF2XE/FX2EGWJHSRZF2XE.SQUARE.jpg http://cdn.instructables.com/FX2/EGWJ/HSRZF2XE/FX2EGWJHSRZF2XE.SMALL.jpg Szabolcs I show you how to make an easy symmetrical power supply for testing circuits where you need positive and negative voltage. like op amp circuits. For example, look at the 741 op amp. Part list: Two new 9V battery 9V battery clip OR another 9V battery (I will explain that later) Here is the "sche...
By: Szabolcs

Continue Reading »]]>
Sat, 15 Mar 2014 11:19:52 PDT
Mini DIY adjustable power supply http://www.instructables.com/id/Mini-DIY-adjustable-power-supply/ http://cdn.instructables.com/FST/Z9BU/HS4VQNFC/FSTZ9BUHS4VQNFC.SQUARE2.jpg http://cdn.instructables.com/FST/Z9BU/HS4VQNFC/FSTZ9BUHS4VQNFC.SQUARE.jpg http://cdn.instructables.com/FST/Z9BU/HS4VQNFC/FSTZ9BUHS4VQNFC.SMALL.jpg newtonn2 This is my mini adjustable power supply. It will take any DC source between 7.5V and 28V. The output will be between 1.4V and the input voltage.It cost me about £9 in parts, most of them from HK. Please comment if you like it.  Instructable available now!!  See here
By: newtonn2

Continue Reading »]]>
Wed, 26 Feb 2014 11:15:42 PST
Reverse Engineering http://www.instructables.com/id/Reverse-Engineering-1/
Reverse Engineering - More DIY How To Projects]]> http://cdn.instructables.com/FZI/ZMF6/HRTWJLSS/FZIZMF6HRTWJLSS.SQUARE2.jpg http://cdn.instructables.com/FZI/ZMF6/HRTWJLSS/FZIZMF6HRTWJLSS.SQUARE.jpg http://cdn.instructables.com/FZI/ZMF6/HRTWJLSS/FZIZMF6HRTWJLSS.SMALL.jpg Josehf Murchison Many of the members here at Instructables ask about datasheets or pin outs of a device or display in answers, unfortunately you cant always get a datasheet and schematics, in these cases you only have one choice reverse engineering. Reverse engineering is a skill that is not taught in college or un...
By: Josehf Murchison

Continue Reading »]]>
Sat, 22 Feb 2014 22:36:31 PST
ATX Power Supply http://www.instructables.com/id/ATX-Power-Supply-1/ http://cdn.instructables.com/FH3/5VN3/HRPBAF0H/FH35VN3HRPBAF0H.SQUARE2.jpg http://cdn.instructables.com/FH3/5VN3/HRPBAF0H/FH35VN3HRPBAF0H.SQUARE.jpg http://cdn.instructables.com/FH3/5VN3/HRPBAF0H/FH35VN3HRPBAF0H.SMALL.jpg stevenarango Well   This is my Second Go at this Particular Build. Get a Used Power supply in Working Order. open it.  Get all the wires in Groups. All the Backs, Reds,Orange,Yellow. Keep  the Brown Together with the Orange, The Green Goes to Switch along with a Ground Wire The Grey Wire to and LED Along with ...
By: stevenarango

Continue Reading »]]>
Sat, 15 Feb 2014 17:22:45 PST
The Best and Easiest Way to Drive your Flyback http://www.instructables.com/id/The-Best-and-Easiest-Way-to-Drive-your-Flyback/
The Best and Easiest Way to Drive your Flyback - More DIY How To Projects]]> http://cdn.instructables.com/F7C/A40S/HR3EF6RK/F7CA40SHR3EF6RK.SQUARE2.jpg http://cdn.instructables.com/F7C/A40S/HR3EF6RK/F7CA40SHR3EF6RK.SQUARE.jpg http://cdn.instructables.com/F7C/A40S/HR3EF6RK/F7CA40SHR3EF6RK.SMALL.jpg corbonzo In this instructable I'll be showing you a super simply way to drive your flybacks! because i know for a fact that I'm tired of transistor type drivers and even the ZVS's are a pain. So get ready for this because I'm sure it'll make you excited as it did for me! heres my video tutorial for some mo...
By: corbonzo

Continue Reading »]]>
Fri, 31 Jan 2014 20:32:23 PST
Simple 5v battery backup circuit http://www.instructables.com/id/Simple-5v-battery-backup-circuit/ http://cdn.instructables.com/FFD/TIBK/HQS4YKOG/FFDTIBKHQS4YKOG.SQUARE2.jpg http://cdn.instructables.com/FFD/TIBK/HQS4YKOG/FFDTIBKHQS4YKOG.SQUARE.jpg http://cdn.instructables.com/FFD/TIBK/HQS4YKOG/FFDTIBKHQS4YKOG.SMALL.jpg victordas It’s a simple 5v battery backup circuit with constant slow charging facility. Its mostly suitable for microcontroller projects where we need constant current source without any cut-out. Whenever mains fails the battery takes the load without any delay again when mains restores batter goes to chargin...
By: victordas

Continue Reading »]]>
Thu, 23 Jan 2014 23:41:27 PST
Breadboard Power Connector http://www.instructables.com/id/Breadboard-Power-Connector/
Breadboard Power Connector - More DIY How To Projects]]> http://cdn.instructables.com/F77/IV88/HQDUSOH3/F77IV88HQDUSOH3.SQUARE2.jpg http://cdn.instructables.com/F77/IV88/HQDUSOH3/F77IV88HQDUSOH3.SQUARE.jpg http://cdn.instructables.com/F77/IV88/HQDUSOH3/F77IV88HQDUSOH3.SMALL.jpg electronics geek Whenever I use a circuit in a project, I always like to breadboard it, to make sure it works and tweak it if need be. I recently purchased a power supply, so i wouldn't always have to use a battery to power my breadboarded circuit. It comes with connectors, but they are a pain to connect to the brea...
By: electronics geek

Continue Reading »]]>
Tue, 14 Jan 2014 12:34:27 PST
Variable Power Supply http://www.instructables.com/id/Variable-Power-Supply-2/
Variable Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FY9/ZPJZ/HPL6CTWR/FY9ZPJZHPL6CTWR.SQUARE2.jpg http://cdn.instructables.com/FY9/ZPJZ/HPL6CTWR/FY9ZPJZHPL6CTWR.SQUARE.jpg http://cdn.instructables.com/FY9/ZPJZ/HPL6CTWR/FY9ZPJZHPL6CTWR.SMALL.jpg sammydogjj A simple DIY variable power supply for all your projects!Questions? Feel free to ask them in the comments!This would make a great Christmas gift! (View post-date!)Also the voltage can be adjusted from 0-33v DC.(This can depend on your power adapter)As always have fun and be safe when building projec...
By: sammydogjj

Continue Reading »]]>
Tue, 24 Dec 2013 14:52:34 PST
High Voltage Power Supply for Nixie and Valve Tubes http://www.instructables.com/id/High-Voltage-Power-Supply-for-Nixie-and-Valve-Tube/
High Voltage Power Supply for Nixie and Valve Tubes - More DIY How To Projects]]> http://cdn.instructables.com/F3T/HI2X/HO236OMT/F3THI2XHO236OMT.SQUARE2.jpg http://cdn.instructables.com/F3T/HI2X/HO236OMT/F3THI2XHO236OMT.SQUARE.jpg http://cdn.instructables.com/F3T/HI2X/HO236OMT/F3THI2XHO236OMT.SMALL.jpg andrea biffi Since in last years nixies displays attracted my attention so much that I bought many of them, I finally managed to design a good power supply and my nixie clock is on the way... [UPDATE: done! read instructable here) With this circuit you can test a nixie display, or power a multiplexed nixie clock...
By: andrea biffi

Continue Reading »]]>
Tue, 19 Nov 2013 08:17:45 PST
Neat Way To Open Power Supply http://www.instructables.com/id/Neat-Way-To-Open-Power-Supply/
Neat Way To Open Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FYV/F01I/HNID1T05/FYVF01IHNID1T05.SQUARE2.jpg http://cdn.instructables.com/FYV/F01I/HNID1T05/FYVF01IHNID1T05.SQUARE.jpg http://cdn.instructables.com/FYV/F01I/HNID1T05/FYVF01IHNID1T05.SMALL.jpg keanlay Tools Hobby (wireman) SawChiselHammerClamp or Vise Secure The P Supply Use clamp or vise to hold p supply in position Break The "weld" As most power supply are chemically bonded, use saw to remove material about 0.5 to 1 mm on the long sides which does not hv connectors Open It Use chis...
By: keanlay

Continue Reading »]]>
Sat, 2 Nov 2013 07:13:13 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

Continue Reading »]]>
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

Continue Reading »]]>
Tue, 16 Apr 2013 21:26:37 PDT
Make the simplest adjustable power supply in 10-15 minutes! http://www.instructables.com/id/Make-the-simplest-adjustable-power-supply-in-10-15/
Make the simplest adjustable power supply in 10-15 minutes! - More DIY How To Projects]]> http://cdn.instructables.com/F5J/JYNU/HF23PS2T/F5JJYNUHF23PS2T.SQUARE2.jpg http://cdn.instructables.com/F5J/JYNU/HF23PS2T/F5JJYNUHF23PS2T.SQUARE.jpg http://cdn.instructables.com/F5J/JYNU/HF23PS2T/F5JJYNUHF23PS2T.SMALL.jpg benco916 For about $5-$10 you can have your own adjustable power supply to power various electronics! The 3 "main" parts you will need 1 - LM317 (I used LM338, however any adjustable regulator with "LM" in it should work fine) 1 - 5k ohm variable resistor (potentiometer) 1 - 220-240 ohm resistor Identif...
By: benco916

Continue Reading »]]>
Tue, 2 Apr 2013 16:20:30 PDT
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

Continue Reading »]]>
Sun, 11 Nov 2012 17:21:07 PST
How to make the worlds easiest power supply http://www.instructables.com/id/How-to-make-the-worlds-easiest-power-supply/
How to make the worlds easiest power supply - More DIY How To Projects]]> http://cdn.instructables.com/FYJ/QHHO/H994THH7/FYJQHHOH994THH7.SQUARE2.jpg http://cdn.instructables.com/FYJ/QHHO/H994THH7/FYJQHHOH994THH7.SQUARE.jpg http://cdn.instructables.com/FYJ/QHHO/H994THH7/FYJQHHOH994THH7.SMALL.jpg project_builder After discovering that my voltage divider based power supply didn't work very well, I set out to figure out how to make an better one. You are not really building anything but it is all done for you and you don't have to mess with any AC power (Very dangerous). But still, all power supplies have lar...
By: project_builder

Continue Reading »]]>
Sun, 11 Nov 2012 13:38:48 PST
Split rail power supply from a single rail supply http://www.instructables.com/id/Split-rail-power-supply-from-a-single-rail-supply/ http://cdn.instructables.com/FNL/P5CD/H3Z3UFRW/FNLP5CDH3Z3UFRW.SQUARE2.jpg http://cdn.instructables.com/FNL/P5CD/H3Z3UFRW/FNLP5CDH3Z3UFRW.SQUARE.jpg http://cdn.instructables.com/FNL/P5CD/H3Z3UFRW/FNLP5CDH3Z3UFRW.SMALL.jpg Harrymatic A split rail power supply is one with a positive voltage rail, a negative voltage rail and zero volts in the middle. This is a really simple but very handy circuit which will provide both a positive and a negative voltage from a single rail power supply. This circuit was originally from a fairly ol...
By: Harrymatic

Continue Reading »]]>
Fri, 29 Jun 2012 14:54:29 PDT
Power Supply unit for arduino power and breadboard http://www.instructables.com/id/Power-Supply-For-Arduino-power-and-breadboard/
Power Supply unit for arduino power and breadboard - More DIY How To Projects]]> http://cdn.instructables.com/FKD/C8TO/H12SVEDU/FKDC8TOH12SVEDU.SQUARE2.jpg http://cdn.instructables.com/FKD/C8TO/H12SVEDU/FKDC8TOH12SVEDU.SQUARE.jpg http://cdn.instructables.com/FKD/C8TO/H12SVEDU/FKDC8TOH12SVEDU.SMALL.jpg Avadhut.Deshmukh how you can take a computer u hv old (power supply unit) and turn it into a power supply that will power your Arduino and give you all the amperage  you need as well as your standard 3.3 volts, 5 volts, and 12 volts for any accessories/electronics used on your breadboard And arduino power ,led 5v,12...
By: Avadhut.Deshmukh

Continue Reading »]]>
Mon, 16 Apr 2012 01:23:58 PDT
Variable Power Supply http://www.instructables.com/id/Variable-Power-Supply/
Variable Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/F7Z/IROK/GZLW44OV/F7ZIROKGZLW44OV.SQUARE2.jpg http://cdn.instructables.com/F7Z/IROK/GZLW44OV/F7ZIROKGZLW44OV.SQUARE.jpg http://cdn.instructables.com/F7Z/IROK/GZLW44OV/F7ZIROKGZLW44OV.SMALL.jpg WWC  This build is for a variable power supply. I have a bench power supply i made from an ATX power supply and it works great but, it is not variable. Sometimes i need 6v or 9v ect. I cant do it with the ATX supply. So i built this one. It has a dedicated 5V dc supply for logic circuits. Plus a 1.3V dc...
By: WWC

Continue Reading »]]>
Sat, 10 Mar 2012 06:55:32 PST
Power Supply Using a Voltage Divider http://www.instructables.com/id/12-volt-varyable-power-supply/
Power Supply Using a Voltage Divider - More DIY How To Projects]]> http://cdn.instructables.com/FX9/IQ0O/GVSUMP3S/FX9IQ0OGVSUMP3S.SQUARE2.jpg http://cdn.instructables.com/FX9/IQ0O/GVSUMP3S/FX9IQ0OGVSUMP3S.SQUARE.jpg http://cdn.instructables.com/FX9/IQ0O/GVSUMP3S/FX9IQ0OGVSUMP3S.SMALL.jpg project_builder This is not the best way to build a power supply but it is easy to build and design. It is based on the well known theory of a voltage divider. This is a good low cost power supply for beginers. UPDATE: I am currently working on a new power supply that has much more current. Check my page to see if ...
By: project_builder

Continue Reading »]]>
Mon, 5 Dec 2011 16:49:56 PST
Power supply (+-5vconst & 0-+-12v variable) http://www.instructables.com/id/Power-supply-5vconst-0-12v-variable/ http://cdn.instructables.com/FOM/VEQ3/GVZPOXVO/FOMVEQ3GVZPOXVO.SQUARE2.jpg http://cdn.instructables.com/FOM/VEQ3/GVZPOXVO/FOMVEQ3GVZPOXVO.SQUARE.jpg http://cdn.instructables.com/FOM/VEQ3/GVZPOXVO/FOMVEQ3GVZPOXVO.SMALL.jpg usbg3rd INTRODUCTION the purpose of this instructable is to make a power supply that can give output of +-5v constant and 0-+-12v variable output. we often require dc voltages for our experiments then why spend money on cells or rechargeable batteries .why not build a power supply that takes ac(220vrms) and...
By: usbg3rd

Continue Reading »]]>
Tue, 22 Nov 2011 07:02:50 PST
ATX power supply in a cd drive case http://www.instructables.com/id/ATX-power-supply-in-a-cd-drive-case/
ATX power supply in a cd drive case - More DIY How To Projects]]> http://cdn.instructables.com/FNN/LUDL/GV4BPIDS/FNNLUDLGV4BPIDS.SQUARE2.jpg http://cdn.instructables.com/FNN/LUDL/GV4BPIDS/FNNLUDLGV4BPIDS.SQUARE.jpg http://cdn.instructables.com/FNN/LUDL/GV4BPIDS/FNNLUDLGV4BPIDS.SMALL.jpg marsrover This instructable will show you how to make an external ATX power supply. Now many other people have done something like this before, mine is different in the way that the power supply is replaceable and the case and many of the parts came from an old computer (yay recycling). As you can see, the ma...
By: marsrover

Continue Reading »]]>
Fri, 18 Nov 2011 08:20:50 PST
(7) Zero To 132 Volts AC or DC ! http://www.instructables.com/id/Zero-To-132-Volts-AC-or-DC-/
(7) Zero To 132 Volts AC or DC ! - More DIY How To Projects]]> http://cdn.instructables.com/FJR/2U0C/GQOCAT2N/FJR2U0CGQOCAT2N.SQUARE2.jpg http://cdn.instructables.com/FJR/2U0C/GQOCAT2N/FJR2U0CGQOCAT2N.SQUARE.jpg http://cdn.instructables.com/FJR/2U0C/GQOCAT2N/FJR2U0CGQOCAT2N.SMALL.jpg Dr.Bill I was walking home with my wife one day after lunch in one of the many Asian restaurants we have in Oahu. Walking is a good thing. Gets your heart working harder, you break a sweat, and you lose some weight you did not need to lug around in the first place. While Hawai'i is a very beautiful place, w...
By: Dr.Bill

Continue Reading »]]>
Thu, 8 Sep 2011 13:32:21 PDT
Aesthetically Pleasing PSU Mod http://www.instructables.com/id/Aesthetically-Pleasing-PSU-Mod/ http://cdn.instructables.com/FEB/8LUY/GR9SY69E/FEB8LUYGR9SY69E.SQUARE2.jpg http://cdn.instructables.com/FEB/8LUY/GR9SY69E/FEB8LUYGR9SY69E.SQUARE.jpg http://cdn.instructables.com/FEB/8LUY/GR9SY69E/FEB8LUYGR9SY69E.SMALL.jpg Damios Here is my computer PSU that I turned into a bench top PSU.  I took out the normal fan and put in an antec green LED fan that I had, as well as a secondary one I installed on the top.   I added a toggle switch, a red LED indicating it is plugged in (aka dangerous if opened), and a green LED indicat...
By: Damios

Continue Reading »]]>
Sun, 14 Aug 2011 21:23:49 PDT
Nice Bench Power Supply http://www.instructables.com/id/Nice-Bench-Power-Supply/
Nice Bench Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FWI/YSIK/G33OQDTL/FWIYSIKG33OQDTL.SQUARE2.jpg http://cdn.instructables.com/FWI/YSIK/G33OQDTL/FWIYSIKG33OQDTL.SQUARE.jpg http://cdn.instructables.com/FWI/YSIK/G33OQDTL/FWIYSIKG33OQDTL.SMALL.jpg Soehave 0-12 Volts 7 Amps Bench Power suplyThis is the power supply I have been using for most of my projects since 2009. it was made for less than 300,- DKR (which is about 50 USD or 40 EUR) It was as simple and fun to make as it is for me to use today. You don't have to know a lot about electricity to m...
By: Soehave

Continue Reading »]]>
Thu, 14 Jul 2011 17:34:07 PDT
Tube Power Supply http://www.instructables.com/id/Tube-Power-Supply/
Tube Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FWA/73EJ/GP7IGIR8/FWA73EJGP7IGIR8.SQUARE2.jpg http://cdn.instructables.com/FWA/73EJ/GP7IGIR8/FWA73EJGP7IGIR8.SQUARE.jpg http://cdn.instructables.com/FWA/73EJ/GP7IGIR8/FWA73EJGP7IGIR8.SMALL.jpg BasinStreetDesign A what?! Isn't a “power supply” that miscellaneous piece of a project that you ignore until you can't anymore, then patch it together as quick as you can so you can get back to the fun parts? And a power supply for tubes? That just amounts to a fat transformer, a bridge rectifier and a filter cap al...
By: BasinStreetDesign

Continue Reading »]]>
Mon, 4 Jul 2011 13:47:48 PDT
THE EXTREMELY SIMPLE DIGITAL DC-DC POWER SUPPLY! http://www.instructables.com/id/THE-EXTREMELY-SIMPLE-DIGITAL-DC-DC-POWER-SUPPLY/
THE EXTREMELY SIMPLE DIGITAL DC-DC POWER SUPPLY! - More DIY How To Projects]]> http://cdn.instructables.com/FOY/V59U/GP7IF64J/FOYV59UGP7IF64J.SQUARE2.jpg http://cdn.instructables.com/FOY/V59U/GP7IF64J/FOYV59UGP7IF64J.SQUARE.jpg http://cdn.instructables.com/FOY/V59U/GP7IF64J/FOYV59UGP7IF64J.SMALL.jpg EngineeringShock Hello Instructables Community!                             LET'S BUILD A DIGITAL DC-DC POWER SUPPLY TOGETHER! Before we get started, let me tell you a little about this kit.  I have a digital DC-DC power suppy that I use daily.  However, it cost a bunch of money that I didn't want to spend and...
By: EngineeringShock

Continue Reading »]]>
Sat, 25 Jun 2011 14:57:14 PDT
Variable Voltage Regulator - Filtered Linear Power Supply http://www.instructables.com/id/Variable-Voltage-Regulator-Filtered-Linear-Power/
Variable Voltage Regulator - Filtered Linear Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FGJ/32RV/GOHMAWZX/FGJ32RVGOHMAWZX.SQUARE2.jpg http://cdn.instructables.com/FGJ/32RV/GOHMAWZX/FGJ32RVGOHMAWZX.SQUARE.jpg http://cdn.instructables.com/FGJ/32RV/GOHMAWZX/FGJ32RVGOHMAWZX.SMALL.jpg Poent This Instructable will show how to Make a 1.6v-6v Filtered Linear Power Supply using a LM317 for the variable voltage regulator and a 1kohm Potentiometer (trimmer). It can source power from anywhere between 7v to 14v for this version of the power supply. The power supply in the above image is at the...
By: Poent

Continue Reading »]]>
Sun, 5 Jun 2011 19:52:44 PDT
Improved Adjustable Voltage Power Supply http://www.instructables.com/id/Improved-Adjustable-Voltage-Power-Supply/
Improved Adjustable Voltage Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FFP/EXXH/GNBEU2WE/FFPEXXHGNBEU2WE.SQUARE2.jpg http://cdn.instructables.com/FFP/EXXH/GNBEU2WE/FFPEXXHGNBEU2WE.SQUARE.jpg http://cdn.instructables.com/FFP/EXXH/GNBEU2WE/FFPEXXHGNBEU2WE.SMALL.jpg srain1 Hi everyone,this is my first instructable. This is very useful when you are beginner in electronics technology. I'm going to make an 12V adjustable voltage.You can adjust the output voltage by the potentiometer. Minimum of 0.01mV. Maximum of around 12V. You will need: *1 pc transformer 12V outpu...
By: srain1

Continue Reading »]]>
Fri, 6 May 2011 09:58:53 PDT
120VAC to 9VDC Power Supply http://www.instructables.com/id/120VAC-to-9VDC-Power-Supply/ http://cdn.instructables.com/FGA/0O49/GMNR9FGR/FGA0O49GMNR9FGR.SQUARE2.jpg http://cdn.instructables.com/FGA/0O49/GMNR9FGR/FGA0O49GMNR9FGR.SQUARE.jpg http://cdn.instructables.com/FGA/0O49/GMNR9FGR/FGA0O49GMNR9FGR.SMALL.jpg bared145 Use This Power Supply Instead Of Wasting You money and buying 9V batteries. I have made many 9V Power supplies. but this is the simplest. Check out my facebook fan page: ElectroPCBJared for other schematics and PCB layouts. Links: 2200uF Capacitor - http://www.jameco.com/webapp/wcs/stores/servlet/P...
By: bared145

Continue Reading »]]>
Mon, 18 Apr 2011 16:54:56 PDT
Simple 5v PSU (battery powered) http://www.instructables.com/id/Simple-5v-PSU-battery-powered/
Simple 5v PSU (battery powered) - More DIY How To Projects]]> http://cdn.instructables.com/FYW/RGMV/GH4X0T87/FYWRGMVGH4X0T87.SQUARE2.jpg http://cdn.instructables.com/FYW/RGMV/GH4X0T87/FYWRGMVGH4X0T87.SQUARE.jpg http://cdn.instructables.com/FYW/RGMV/GH4X0T87/FYWRGMVGH4X0T87.SMALL.jpg xAxrules Hello, this is my first instructable a longgg timmeee, and in that time, I have learned much, such as soldering is a good thing, melting plastic is a bad thing and that using the correct components mounted on a board is a good thing. But less of that and on with the instructable. Components C...
By: xAxrules

Continue Reading »]]>
Tue, 30 Nov 2010 14:42:03 PST
Altoids Tin Portable Breadboard with Power Supply http://www.instructables.com/id/Altoids-Tin-Portable-Breadboard-with-Power-Supply/
Altoids Tin Portable Breadboard with Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FPN/OSXW/GGPF3CYC/FPNOSXWGGPF3CYC.SQUARE2.jpg http://cdn.instructables.com/FPN/OSXW/GGPF3CYC/FPNOSXWGGPF3CYC.SQUARE.jpg http://cdn.instructables.com/FPN/OSXW/GGPF3CYC/FPNOSXWGGPF3CYC.SMALL.jpg legwinskij Im using solderless breadboard very often, I find it very useful you dont have to solder everything, so you will not destroy your parts and you can quickly change something if theres a problem. Recently I am working on one big project which contains few small projects first was the Altoids Tin Helpi...
By: legwinskij

Continue Reading »]]>
Sun, 21 Nov 2010 12:34:37 PST
Build your own EL wire power supply http://www.instructables.com/id/Build-your-own-EL-wire-power-supply/ http://cdn.instructables.com/FHH/WQ9W/GCX4PZ1K/FHHWQ9WGCX4PZ1K.SQUARE2.jpg http://cdn.instructables.com/FHH/WQ9W/GCX4PZ1K/FHHWQ9WGCX4PZ1K.SQUARE.jpg http://cdn.instructables.com/FHH/WQ9W/GCX4PZ1K/FHHWQ9WGCX4PZ1K.SMALL.jpg JeriEllsworth As I promised in my video "EL Wire Made at Home" .www.youtube.com/watch?v=AcXHx5ikjM4 I came up with a few circuits for building your own power supply for electroluminescent wire. The first one is very similar to the "tickler" style 1908 Ford Model T spark coil http://en.wikipedia.org/wiki/Ignition_...
By: JeriEllsworth

Continue Reading »]]>
Mon, 18 Oct 2010 06:33:59 PDT
Dual USB Charger With Switching Regulator http://www.instructables.com/id/Portable-USB-Charger-1/
Dual USB Charger With Switching Regulator - More DIY How To Projects]]> http://cdn.instructables.com/F4N/NFE4/GB5HDVV6/F4NNFE4GB5HDVV6.SQUARE2.jpg http://cdn.instructables.com/F4N/NFE4/GB5HDVV6/F4NNFE4GB5HDVV6.SQUARE.jpg http://cdn.instructables.com/F4N/NFE4/GB5HDVV6/F4NNFE4GB5HDVV6.SMALL.jpg rocketman221 This is a portable USB Charger. It uses a high efficiency switching regulator that runs at 85 - 94% efficiency depending on input voltage and load. It takes an input voltage from 8 to 16 volts and can run from anything from a 9 volt battery to a car battery. It has 2 USB ports and easily charges 2 p...
By: rocketman221

Continue Reading »]]>
Sun, 11 Jul 2010 23:21:23 PDT
How To Build A Simple But Powerful Flyback Driver http://www.instructables.com/id/ZVS-Driver/
How To Build A Simple But Powerful Flyback Driver - More DIY How To Projects]]> http://cdn.instructables.com/F1Q/Y5ZJ/G9NGUFUA/F1QY5ZJG9NGUFUA.SQUARE2.jpg http://cdn.instructables.com/F1Q/Y5ZJ/G9NGUFUA/F1QY5ZJG9NGUFUA.SQUARE.jpg http://cdn.instructables.com/F1Q/Y5ZJ/G9NGUFUA/F1QY5ZJG9NGUFUA.SMALL.jpg Plasmana Tired of little purple sparks? Want bigger hotter sparks? Then try:  The ZVS Flyback Driver It is probably the most powerful and efficient flyback transformer driver that was fairly recently invented by Vladmiro Mazilli. It uses resonant zero voltage switching (also know as ZVS) to drive the flyba...
By: Plasmana

Continue Reading »]]>
Wed, 2 Jun 2010 02:58:10 PDT
ATX Power Supply - the elegant way to adapt to benchtop use... http://www.instructables.com/id/ATX-Power-Supply-the-elegant-way-to-adapt-to-ben/
ATX Power Supply - the elegant way to adapt to benchtop use... - More DIY How To Projects]]> http://cdn.instructables.com/F70/OFO2/GDM6U5MW/F70OFO2GDM6U5MW.SQUARE2.jpg http://cdn.instructables.com/F70/OFO2/GDM6U5MW/F70OFO2GDM6U5MW.SQUARE.jpg http://cdn.instructables.com/F70/OFO2/GDM6U5MW/F70OFO2GDM6U5MW.SMALL.jpg jordanyte  If you want to use an ATX power supply as a benchtop unit, without hacking it to pieces or risking fire and electrocution, then this approach is definitely for you.  NEWS: due to increasing inquiries I have made this item in to a complete kit. Let me know if you or your college / lab are intere...
By: jordanyte

Continue Reading »]]>
Fri, 23 Apr 2010 06:23:19 PDT
Make a power strip with a (C14) plug for a standard UPS (and save hundreds of dollars) http://www.instructables.com/id/Make-a-power-strip-with-a-C14-plug-for-a-standar/
Make a power strip with a (C14) plug for a standard UPS (and save hundreds of dollars) - More DIY How To Projects]]> http://cdn.instructables.com/F2I/EZMA/G61ASDRJ/F2IEZMAG61ASDRJ.SQUARE2.jpg http://cdn.instructables.com/F2I/EZMA/G61ASDRJ/F2IEZMAG61ASDRJ.SQUARE.jpg http://cdn.instructables.com/F2I/EZMA/G61ASDRJ/F2IEZMAG61ASDRJ.SMALL.gif inchman Before I even begin with this ‘ilbe, I have to say electricity is a DANGEROUS element. You can burn your house down, or even kill yourself. If you aren’t 100% sure of what you are doing, DO NOT TRY THIS. Even beyond that, this ‘ible is NOT a proper way to do this job. It will work if done correctl...
By: inchman

Continue Reading »]]>
Thu, 25 Feb 2010 06:25:33 PST
Make a bench power supply mostly from recycled parts http://www.instructables.com/id/Make-a-bench-power-supply-mostly-from-recycled-par/
Make a bench power supply mostly from recycled parts - More DIY How To Projects]]> http://cdn.instructables.com/FI2/SDPW/G33P0P58/FI2SDPWG33P0P58.SQUARE2.jpg http://cdn.instructables.com/FI2/SDPW/G33P0P58/FI2SDPWG33P0P58.SQUARE.jpg http://cdn.instructables.com/FI2/SDPW/G33P0P58/FI2SDPWG33P0P58.SMALL.jpg newtonn2 This instructable will show you how to make a very good bench power supply using mainly recycled parts. This is the really the "mark II",  you can see "mark I" here.    When I finished my first bench power supply I was really happy, and used it very often, almost every day, until one day it decide...
By: newtonn2

Continue Reading »]]>
Tue, 15 Dec 2009 14:09:01 PST
9 Volt adapter from a dead battery http://www.instructables.com/id/9-Volt-adapter-from-a-dead-battery/
9 Volt adapter from a dead battery - More DIY How To Projects]]> http://cdn.instructables.com/FQZ/B53P/FXA2Z40N/FQZB53PFXA2Z40N.SQUARE2.jpg http://cdn.instructables.com/FQZ/B53P/FXA2Z40N/FQZB53PFXA2Z40N.SQUARE.jpg http://cdn.instructables.com/FQZ/B53P/FXA2Z40N/FQZB53PFXA2Z40N.SMALL.jpg beddman963 It was Sunday afternoon and instead of being at the beach gazing hot girls, I was blaspheming because I couldn't find a 9 V adapter to power supply my project and all the stores were closed. So I looked around and voila. This is what you are going to need:1) A 9 volt battery ( Use a dead one or else...
By: beddman963

Continue Reading »]]>
Sun, 19 Jul 2009 03:06:14 PDT
High Voltage Multiplier http://www.instructables.com/id/High-Voltage-Multiplier/
High Voltage Multiplier - More DIY How To Projects]]> http://cdn.instructables.com/F9W/XWMK/F8RP7YF0/F9WXWMKF8RP7YF0.SQUARE2.jpg http://cdn.instructables.com/F9W/XWMK/F8RP7YF0/F9WXWMKF8RP7YF0.SQUARE.jpg http://cdn.instructables.com/F9W/XWMK/F8RP7YF0/F9WXWMKF8RP7YF0.SMALL.jpg burningsuntech Need more voltage than your supply can deliver? This is the device to build. Based upon the Villard doubler, cascaded in multiple stages, this circuit will multiply a small AC voltage into a huge potential. With a 6000 VAC Oil Burner Transformer and just three stages, you can multiply the potentia...
By: burningsuntech

Continue Reading »]]>
Wed, 14 Nov 2007 10:28:26 PST
The Radioshack, Adjustable, Breadboard Power Supply. http://www.instructables.com/id/The-Radioshack%2c-Adjustable%2c-Breadboard-Power-Suppl/
The Radioshack, Adjustable, Breadboard Power Supply. - More DIY How To Projects]]> http://cdn.instructables.com/FGN/GO6Z/F3ETRWCJ/FGNGO6ZF3ETRWCJ.SQUARE2.jpg http://cdn.instructables.com/FGN/GO6Z/F3ETRWCJ/FGNGO6ZF3ETRWCJ.SQUARE.jpg http://cdn.instructables.com/FGN/GO6Z/F3ETRWCJ/FGNGO6ZF3ETRWCJ.SMALL.jpg kersny This Instructable will show you how to build an adjsutable breadboard power supply entirely from Radioshack parts. It can provide multiple voltages directly to the power rails on a prototyping breadboard. This could be useful for people on a low budget, who don't like to order parts online, or who ...
By: kersny

Continue Reading »]]>
Thu, 28 Jun 2007 16:47:54 PDT