Instructables: exploring - technology - electronics - supply http://www.instructables.com Thu, 5 May 2016 07:50:29 PDT BLOX v1.01 High voltage power supply http://www.instructables.com/id/High-Voltage-Power-Supply-1/
High voltage power supply - More DIY How To Projects]]> http://cdn.instructables.com/F69/JZWM/IMUTQKFU/F69JZWMIMUTQKFU.SQUARE2.jpg http://cdn.instructables.com/F69/JZWM/IMUTQKFU/F69JZWMIMUTQKFU.SQUARE.jpg http://cdn.instructables.com/F69/JZWM/IMUTQKFU/F69JZWMIMUTQKFU.SMALL.jpg CrtSuznik While working with electronics, chances are sooner or later, you'll want or need a high voltage power supply.This is a version you can make at home in a short amount of time.Of course you should be careful while working with high voltage and electricity in general.If you indeed hurt yourself in anyw...
By: CrtSuznik

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Mon, 11 Apr 2016 06:10:45 PDT
Mains Voltage Relay Test Jig http://www.instructables.com/id/Mains-Voltage-Relay-Test-Jig/
Mains Voltage Relay Test Jig - More DIY How To Projects]]> http://cdn.instructables.com/F74/77JN/IMQLJIJN/F7477JNIMQLJIJN.SQUARE2.jpg http://cdn.instructables.com/F74/77JN/IMQLJIJN/F7477JNIMQLJIJN.SQUARE.jpg http://cdn.instructables.com/F74/77JN/IMQLJIJN/F7477JNIMQLJIJN.SMALL.jpg nairbspace For some reason I always end up needing a reason to switch a mains powered device with a microcontroller so I decided to finally make a test jig with some spare parts I have lying around. Hopefully this will be much safer than having exposed mains wire floating around everywhere. :)Before attempting...
By: nairbspace

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Fri, 8 Apr 2016 01:28:24 PDT
Made a Power Supply http://www.instructables.com/id/Made-a-Power-Supply/
Made a Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FTK/2PNW/IM9G932O/FTK2PNWIM9G932O.SQUARE2.jpg http://cdn.instructables.com/FTK/2PNW/IM9G932O/FTK2PNWIM9G932O.SQUARE.jpg http://cdn.instructables.com/FTK/2PNW/IM9G932O/FTK2PNWIM9G932O.SMALL.jpg abbasporyazdanpanah Hi I made a power supply with two batteries from 2.5 to 25 volts The video
By: abbasporyazdanpanah

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Thu, 24 Mar 2016 21:11:56 PDT
Portable Adjustable Mini Powersupply http://www.instructables.com/id/Portable-Adjustable-Mini-Powersupply/
Portable Adjustable Mini Powersupply - More DIY How To Projects]]> http://cdn.instructables.com/FNL/UZW2/ILIAWKRY/FNLUZW2ILIAWKRY.SQUARE2.jpg http://cdn.instructables.com/FNL/UZW2/ILIAWKRY/FNLUZW2ILIAWKRY.SQUARE.jpg http://cdn.instructables.com/FNL/UZW2/ILIAWKRY/FNLUZW2ILIAWKRY.SMALL.jpg Mixed Output A BIG HELLO! and welcome to Mixed Outputs first instructable.As most of my project involve electronics of some sort, having a good power supply is essential to be able to meet the demand of different power requirements. So I built me a bench-top power supply from an old ATX power supply Unit (PSU) t...
By: Mixed Output

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Tue, 8 Mar 2016 03:52:02 PST
Replacing an Unusual Power Supply http://www.instructables.com/id/Replacing-an-Unusual-Power-Supply/
Replacing an Unusual Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FQS/OQQQ/IIGC37DG/FQSOQQQIIGC37DG.SQUARE2.jpg http://cdn.instructables.com/FQS/OQQQ/IIGC37DG/FQSOQQQIIGC37DG.SQUARE.jpg http://cdn.instructables.com/FQS/OQQQ/IIGC37DG/FQSOQQQIIGC37DG.SMALL.jpg JmsDwh I have spent a lot of time fixing this inflatable display this year, and I am not about to give up now. Last year, I had to make an emergency repair to the A/C adapter after this snowman lawn decoration blew away and tore the prongs out of the plug. That repair lasted a year, but we had one heavy ra...
By: JmsDwh

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Mon, 21 Dec 2015 13:51:52 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
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
$8 DIY Variable Digital Power Supply http://www.instructables.com/id/8-DIY-Variable-Digital-Power-Supply/
$8 DIY Variable Digital Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FY8/2ZCD/IHS1NW1B/FY82ZCDIHS1NW1B.SQUARE2.jpg http://cdn.instructables.com/FY8/2ZCD/IHS1NW1B/FY82ZCDIHS1NW1B.SQUARE.jpg http://cdn.instructables.com/FY8/2ZCD/IHS1NW1B/FY82ZCDIHS1NW1B.SMALL.jpg Imetomi Hi in this instructable I'll show you that how can you make a variable 12v power supply, that can be used to design electronics projects or as a project power supply. The device is based on the LM2596 NC Voltage Switching Regulator, that is a very effective integrated circuit. I bought mine from Ama...
By: Imetomi

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Sat, 5 Dec 2015 04:59:26 PST
Big Sparks With Flyback Transformer (it shocked me) http://www.instructables.com/id/Big-Sparks-With-Flyback-Transformer/
Big Sparks With Flyback Transformer (it shocked me) - More DIY How To Projects]]> http://cdn.instructables.com/F9F/294R/IHT0U5JS/F9F294RIHT0U5JS.SQUARE2.jpg http://cdn.instructables.com/F9F/294R/IHT0U5JS/F9F294RIHT0U5JS.SQUARE.jpg http://cdn.instructables.com/F9F/294R/IHT0U5JS/F9F294RIHT0U5JS.SMALL.jpg Testas.T In this video i show my homemade flyback driver, which makes big arcs. Now i was using my powerful power supply because it draws about 8 Amps. In internet everywhere i read about this driver it uses 2 Amps, 24-30V but it draws 8A at 12v. So if i would rise voltage up to 24V amps draw would climb hig...
By: Testas.T

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Thu, 3 Dec 2015 07:40:53 PST
LM317 Variable Power Supply http://www.instructables.com/id/LM317-Variable-Power-Supply/
LM317 Variable Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/F3B/SRIE/IEOPAH0A/F3BSRIEIEOPAH0A.SQUARE2.jpg http://cdn.instructables.com/F3B/SRIE/IEOPAH0A/F3BSRIEIEOPAH0A.SQUARE.jpg http://cdn.instructables.com/F3B/SRIE/IEOPAH0A/F3BSRIEIEOPAH0A.SMALL.jpg Khaleel123 The LM317 variable power supply is very popular and works well in many situations. It can take in up to 40 volts and vary the output voltage from 1.2 volts - 37 volts. While providing up to 1.5 amps of current with a proper heat sink installed. Its important to note the larger the difference between...
By: Khaleel123

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Thu, 17 Sep 2015 14:42:25 PDT
Motion Activated Random Music Player http://www.instructables.com/id/Motion-Activated-Random-Music-Player/
Motion Activated Random Music Player - More DIY How To Projects]]> http://cdn.instructables.com/FT6/0Q0E/ID7UX3K8/FT60Q0EID7UX3K8.SQUARE2.jpg http://cdn.instructables.com/FT6/0Q0E/ID7UX3K8/FT60Q0EID7UX3K8.SQUARE.jpg http://cdn.instructables.com/FT6/0Q0E/ID7UX3K8/FT60Q0EID7UX3K8.SMALL.jpg NorCalDom This project came to be for all the right reasons, smiles, laughter and sharing happiness with others. I feel blessed to work with an amazing family and group of people who everyday generously share, make and inspire others in the Creative Process. The sculpture is done by Big Times Art Studio. I c...
By: NorCalDom

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Wed, 12 Aug 2015 13:16:20 PDT
Power Your Drill With A Computer Power Supply! http://www.instructables.com/id/What-To-Do-With-A-Drill-That-Has-A-Dead-Battery-Ad/
Power Your Drill With A Computer Power Supply! - More DIY How To Projects]]> http://cdn.instructables.com/F8E/1AD2/IFD6KA1M/F8E1AD2IFD6KA1M.SQUARE2.jpg http://cdn.instructables.com/F8E/1AD2/IFD6KA1M/F8E1AD2IFD6KA1M.SQUARE.jpg http://cdn.instructables.com/F8E/1AD2/IFD6KA1M/F8E1AD2IFD6KA1M.SMALL.jpg Yonatan24 Slowly and sadly my drill battery died.Drill batteries cost more than $2I thought of the fact that I never need It to be portable because my dad has a killer Dewalt drill that's almost too powerful and scary to use...This gave me a pretty obvious idea: Why not power it with power from a regular wall...
By: Yonatan24

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Fri, 7 Aug 2015 16:58:44 PDT
Benchtop DC Power Supply http://www.instructables.com/id/Benchtop-DC-Power-Supply/
Benchtop DC Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FNP/1BSA/IASCSDS9/FNP1BSAIASCSDS9.SQUARE2.jpg http://cdn.instructables.com/FNP/1BSA/IASCSDS9/FNP1BSAIASCSDS9.SQUARE.jpg http://cdn.instructables.com/FNP/1BSA/IASCSDS9/FNP1BSAIASCSDS9.SMALL.jpg lawrence.esterlen This has been done probably hundreds of times here on Instructables, but I think that this is a great starter project for anyone interested in getting into electronics as a hobby. I am a U.S. Navy Electronics Technician, and even with costly test equipment at my disposal, I still consider this cheap...
By: lawrence.esterlen

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Thu, 11 Jun 2015 16:57:37 PDT
How to fabricate a lunch box into a dual 0-12VDC power supply. http://www.instructables.com/id/How-to-fabricate-a-lunch-box-into-a-dual-0-12VDC-p/
How to fabricate a lunch box into a dual 0-12VDC power supply. - More DIY How To Projects]]> http://cdn.instructables.com/FGJ/20FI/I9UDIVRX/FGJ20FII9UDIVRX.SQUARE2.jpg http://cdn.instructables.com/FGJ/20FI/I9UDIVRX/FGJ20FII9UDIVRX.SQUARE.jpg http://cdn.instructables.com/FGJ/20FI/I9UDIVRX/FGJ20FII9UDIVRX.SMALL.jpg bweaver6 Preface:Hello and welcome to my Instructable.I am a first year Electronic Engineering student and was given the opportunity to build a power supply. I was immediately fascinated but wanted to make more than a run of mill project. My original idea was to use a cigar box and pack as much into a small ...
By: bweaver6

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Tue, 12 May 2015 17:52:18 PDT
AC to DC - Half-wave rectification of AC http://www.instructables.com/id/How-to-change-AC-to-DC/
AC to DC - Half-wave rectification of AC - More DIY How To Projects]]> http://cdn.instructables.com/F3E/5B6I/I8CW4ZNZ/F3E5B6II8CW4ZNZ.SQUARE2.jpg http://cdn.instructables.com/F3E/5B6I/I8CW4ZNZ/F3E5B6II8CW4ZNZ.SQUARE.jpg http://cdn.instructables.com/F3E/5B6I/I8CW4ZNZ/F3E5B6II8CW4ZNZ.SMALL.jpg 1300rpm Ever need a constant DC output to test things, but batteries run out too quickly?Or maybe a battery needs charging?Changing AC to DC is as simple as two words - transformer, diode. Let's go. Why? DC outputs can be extremely helpful. If you need to test any DC motor but you dont want to have to go...
By: 1300rpm

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Tue, 14 Apr 2015 08:30:30 PDT
Variable ATX bench powersupply - FabLab edition http://www.instructables.com/id/Variable-ATX-bench-powersupply-FabLab-edition/
Variable ATX bench powersupply - FabLab edition - More DIY How To Projects]]> http://cdn.instructables.com/FOK/FQM7/I8FQQTA2/FOKFQM7I8FQQTA2.SQUARE2.jpg http://cdn.instructables.com/FOK/FQM7/I8FQQTA2/FOKFQM7I8FQQTA2.SQUARE.jpg http://cdn.instructables.com/FOK/FQM7/I8FQQTA2/FOKFQM7I8FQQTA2.SMALL.jpg ThomasVDD A good power supply is very useful when working with electronics, but it can be pricey. However, you could have one laying around in the form of an ATX PSU (Power Supply Unit). They are the most commonly used power supplies for computers. In this instructable I'll show how I converted my ATX PSU in ...
By: ThomasVDD

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Mon, 13 Apr 2015 05:34:28 PDT
BENCH POWER SUPPLY UNIT FROM SCRATCH http://www.instructables.com/id/BENCH-POWER-SUPPLY-UNIT-FROM-SCRATCH/
BENCH POWER SUPPLY UNIT FROM SCRATCH - More DIY How To Projects]]> http://cdn.instructables.com/FOD/5HFS/I85QOK7Y/FOD5HFSI85QOK7Y.SQUARE2.jpg http://cdn.instructables.com/FOD/5HFS/I85QOK7Y/FOD5HFSI85QOK7Y.SQUARE.jpg http://cdn.instructables.com/FOD/5HFS/I85QOK7Y/FOD5HFSI85QOK7Y.SMALL.jpg PaurushTheMaker In this instructable I am going to show you how to make a bench power supply. The bench power supply would consist of 6 fixed voltages and a variable voltage from 7v to 1v What is a bench power supply and why do I need it ? A bench power supply is a very important and useful tool in electronics. ...
By: PaurushTheMaker

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Mon, 6 Apr 2015 10:21:55 PDT
AC to DC Power Using a Full Wave Rectifier http://www.instructables.com/id/AC-to-DC-Power-Using-a-Full-Wave-Rectifier/
AC to DC Power Using a Full Wave Rectifier - More DIY How To Projects]]> http://cdn.instructables.com/FSJ/OGXP/I7RGMO54/FSJOGXPI7RGMO54.SQUARE2.jpg http://cdn.instructables.com/FSJ/OGXP/I7RGMO54/FSJOGXPI7RGMO54.SQUARE.jpg http://cdn.instructables.com/FSJ/OGXP/I7RGMO54/FSJOGXPI7RGMO54.SMALL.jpg Neel.Adhiraj AC is used to transmit power over long distances. The power we get from the electrical outlets in our home is AC power. However since most modern electrical appliances use DC at some level, we need to know how to effectively convert AC power to DC power. We can do this using a circuit known as a ful...
By: Neel.Adhiraj

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Mon, 30 Mar 2015 00:30:13 PDT
My Xbox Psu Mod http://www.instructables.com/id/Xbox-Psu-As-Power-Supply/
My Xbox Psu Mod - More DIY How To Projects]]> http://cdn.instructables.com/FR3/889E/I7MY1GWX/FR3889EI7MY1GWX.SQUARE2.jpg http://cdn.instructables.com/FR3/889E/I7MY1GWX/FR3889EI7MY1GWX.SQUARE.jpg http://cdn.instructables.com/FR3/889E/I7MY1GWX/FR3889EI7MY1GWX.SMALL.jpg Kendrew Blades So... This is not so much a tutorial as I already made it and I never thought to take pics while I was building it, but thought I'd share my take on so many of these tutorials that are already out there. My Reason For Building It This Way I originally did this setup, well almost this setup, for ...
By: Kendrew Blades

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Sat, 28 Mar 2015 18:59:08 PDT
Repairing a BFT DEIMOS sliding gate operator. http://www.instructables.com/id/Repairing-a-sliding-gate-operator/
Repairing a BFT DEIMOS sliding gate operator. - More DIY How To Projects]]> http://cdn.instructables.com/FUJ/YPE1/I63F0L8U/FUJYPE1I63F0L8U.SQUARE2.jpg http://cdn.instructables.com/FUJ/YPE1/I63F0L8U/FUJYPE1I63F0L8U.SQUARE.jpg http://cdn.instructables.com/FUJ/YPE1/I63F0L8U/FUJYPE1I63F0L8U.SMALL.jpg Mjtrinihobby My stupid sliding gate motor operator stopped working early one morning. How dare it! Luckily it was a Saturday and after taking a hot shower to calm my anger, I took a nice sleep. Waking up I tackled this ungrateful gate operator. The problem was a blown fuse and the fuse blew because of the supply...
By: Mjtrinihobby

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Sun, 15 Feb 2015 10:37:30 PST
Cheap Voltage Regulated Joule Thief power supply/charger http://www.instructables.com/id/Cheap-Voltage-Regulated-Joule-Thief-power-supplych/
Cheap Voltage Regulated Joule Thief power supply/charger - More DIY How To Projects]]> http://cdn.instructables.com/FGO/QXXK/I5THVYDD/FGOQXXKI5THVYDD.SQUARE2.jpg http://cdn.instructables.com/FGO/QXXK/I5THVYDD/FGOQXXKI5THVYDD.SQUARE.jpg http://cdn.instructables.com/FGO/QXXK/I5THVYDD/FGOQXXKI5THVYDD.SMALL.jpg Imetomi Maybe you know the very popular Joule Thief circuit, that usually is used to drive LEDs, but this instructable will show you how to regulate the output voltage up to 30 volts. You can regulate example to 5 volts that is enough to charge a phone or any USB device. It charges slowly but works. Or you ...
By: Imetomi

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Sat, 7 Feb 2015 07:00:36 PST
DIY breadboard power supply http://www.instructables.com/id/DIY-breadboard-power-supply/
DIY breadboard power supply - More DIY How To Projects]]> http://cdn.instructables.com/FJ1/3XQT/I2TQUWTF/FJ13XQTI2TQUWTF.SQUARE2.jpg http://cdn.instructables.com/FJ1/3XQT/I2TQUWTF/FJ13XQTI2TQUWTF.SQUARE.jpg http://cdn.instructables.com/FJ1/3XQT/I2TQUWTF/FJ13XQTI2TQUWTF.SMALL.jpg ibenkos In this project I´m making an 5v and 12v power supply for the Radioshack breadboard. his Parts The parts I used for this project is:* 5v to 12v step up* Wires* Small project box* 4 male pins* PCB* Breadboard* 4x battery holder / USB cable Make it fit My 5-12v step up did not fit in the box I ...
By: ibenkos

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Fri, 21 Nov 2014 11:11:54 PST
Using the HY1803D Power Supply http://www.instructables.com/id/Using-the-HY1803D-Power-Supply/
Using the HY1803D Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FVV/7HDI/I1WHFQMX/FVV7HDII1WHFQMX.SQUARE2.jpg http://cdn.instructables.com/FVV/7HDI/I1WHFQMX/FVV7HDII1WHFQMX.SQUARE.jpg http://cdn.instructables.com/FVV/7HDI/I1WHFQMX/FVV7HDII1WHFQMX.SMALL.jpg SLOMakerSpace The HY1803D is a reasonably priced power supply that will provide suitable power for many low-power electronics projects. From the manual, the specifications are:Voltage Output: 0 V-18 V DC ± 1% in increments of centivolts (0.01 V)Current Output: 0A - 3A ± 2% in increments of centiamps (0.01 A)Opera...
By: SLOMakerSpace

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Thu, 30 Oct 2014 16:25:14 PDT
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

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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

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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

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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

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Tue, 15 Apr 2014 16:27:34 PDT
Small DIY Bench Power Supply http://www.instructables.com/id/Small-DIY-Bench-Power-Supply/
Small DIY Bench Power Supply - More DIY How To Projects]]> 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

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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

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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

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Sat, 15 Mar 2014 11:19:52 PDT
Mini DIY adjustable power supply http://www.instructables.com/id/Mini-DIY-adjustable-power-supply/
Mini DIY adjustable power supply - More DIY How To Projects]]> 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

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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

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Sat, 22 Feb 2014 22:36:31 PST
ATX Power Supply http://www.instructables.com/id/ATX-Power-Supply-1/
ATX Power Supply - More DIY How To Projects]]> 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

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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

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Fri, 31 Jan 2014 20:32:23 PST
Simple 5v battery backup circuit http://www.instructables.com/id/Simple-5v-battery-backup-circuit/
Simple 5v battery backup circuit - More DIY How To Projects]]> 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

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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 WilliamM14 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: WilliamM14

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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

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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

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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

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Sat, 2 Nov 2013 07:13:13 PDT
ATX Desktop Computer Power Supply http://www.instructables.com/id/ATX-Desktop-Computer-Power-Supply-1/
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 Heres the final project http://www.instructables.com/id/ATX-Desktop-Computer-Power-Supply/  So I realize that after viewing multiple instructables and creating multiple projects I was using up batteries like crazy. I decided to wire up my own power supply after doing a quick search. My power is cap...
By: Kante Tech

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

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Tue, 16 Apr 2013 21:26:37 PDT
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

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

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Sun, 11 Nov 2012 17:21:07 PST
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

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Sun, 11 Nov 2012 13:38:48 PST
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

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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

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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

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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/
Power supply (+-5vconst & 0-+-12v variable) - More DIY How To Projects]]> 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

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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

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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

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Thu, 8 Sep 2011 13:32:21 PDT