Instructables: exploring - technology - power supply http://www.instructables.com Mon, 20 Apr 2015 19:04:00 PDT BLOX v1.01 Easy High Voltage DC Crank up Generator. http://www.instructables.com/id/Easy-High-Voltage-DC-Crank-up-Generator/
Easy High Voltage DC Crank up Generator. - More DIY How To Projects]]> http://cdn.instructables.com/FQT/6YSY/I83LGIHA/FQT6YSYI83LGIHA.SQUARE2.jpg http://cdn.instructables.com/FQT/6YSY/I83LGIHA/FQT6YSYI83LGIHA.SQUARE.jpg http://cdn.instructables.com/FQT/6YSY/I83LGIHA/FQT6YSYI83LGIHA.SMALL.jpg joel.lagace.14 Here I will show you how easy it is to make a simple high voltage DC crank up generator without the need for fancy transistor flyback circuits such as the famous Joule Thief. This whole thing should not cost you more then $20. In some cases you may already have the parts on hand.Please be aware that...
By: joel.lagace.14

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Sun, 5 Apr 2015 09:01:26 PDT
Two circuits of switched mode power supply based on the 555 timer http://www.instructables.com/id/Two-circuits-of-switched-mode-power-supply-based-o/
Two circuits of switched mode power supply based on the 555 timer - More DIY How To Projects]]> http://cdn.instructables.com/FDN/Q0NW/I7N663HC/FDNQ0NWI7N663HC.SQUARE2.jpg http://cdn.instructables.com/FDN/Q0NW/I7N663HC/FDNQ0NWI7N663HC.SQUARE.jpg http://cdn.instructables.com/FDN/Q0NW/I7N663HC/FDNQ0NWI7N663HC.SMALL.jpg Milen Today the switched mode power supplies (SMPS) are widely used in the electronic devices. Compared with the linear ones, they have the advantages to be more efficient, to occupy smaller place and to be cheaper. The only their disadvantage is that they are noisy and in some cases require nice fil...
By: Milen

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Wed, 25 Mar 2015 16:19:20 PDT
Power for Projects http://www.instructables.com/id/Power-for-Projects/
Power for Projects - More DIY How To Projects]]> http://cdn.instructables.com/F84/O53Y/I7KB4UN1/F84O53YI7KB4UN1.SQUARE2.jpg http://cdn.instructables.com/F84/O53Y/I7KB4UN1/F84O53YI7KB4UN1.SQUARE.jpg http://cdn.instructables.com/F84/O53Y/I7KB4UN1/F84O53YI7KB4UN1.SMALL.jpg redkcir I'm not sure this really qualifies as a real project, but it is coming in handy for me so I thought I would pass it along. I have been doing a lot of work lately with different boards and projects that need low voltage power from 3 to 12 VDC. I have different size battery packs for this but its a pa...
By: redkcir

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Sun, 22 Mar 2015 13:47:50 PDT
USB charger modify output voltage http://www.instructables.com/id/USB-charger-modify-output-voltage/
USB charger modify output voltage - More DIY How To Projects]]> http://cdn.instructables.com/FQO/901P/I7IJ7EZ2/FQO901PI7IJ7EZ2.SQUARE2.jpg http://cdn.instructables.com/FQO/901P/I7IJ7EZ2/FQO901PI7IJ7EZ2.SQUARE.jpg http://cdn.instructables.com/FQO/901P/I7IJ7EZ2/FQO901PI7IJ7EZ2.SMALL.jpg radu022003 Hello, this is my very first instructable, i am often reading instructables, but until now i haven't written any.Many times in our electronics project we need 3.3V or even less and most popular and cheapest phone chargers seems to be the first choice for powering our micrcontrollers or chips. But yo...
By: radu022003

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Sat, 21 Mar 2015 11:14:20 PDT
ATX Bench Power Supply Enclosure http://www.instructables.com/id/ATX-Bench-Power-Supply-Enclosure/
ATX Bench Power Supply Enclosure - More DIY How To Projects]]> http://cdn.instructables.com/FKT/DNXE/I7D6743R/FKTDNXEI7D6743R.SQUARE2.jpg http://cdn.instructables.com/FKT/DNXE/I7D6743R/FKTDNXEI7D6743R.SQUARE.jpg http://cdn.instructables.com/FKT/DNXE/I7D6743R/FKTDNXEI7D6743R.SMALL.jpg simon.w.nordberg Here's an enclosure I built a while back! Materials 1 ATX Power Supply Plexiglass 60x40cm (23.6x15.7 inches) A Few Pieces of Wood 1 On/Off Switch Wire Lugs 1 LED 1 Resistor 2 1m Wires (39.3 inches) 2 Crocodile Clips 3 Red Male Banana Plugs 3 Red Female Banana Plugs 1 Black Male Banan...
By: simon.w.nordberg

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Thu, 19 Mar 2015 08:53:11 PDT
Bench Top Power Supply http://www.instructables.com/id/Bench-Top-Power-Supply/
Bench Top Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FBN/32I1/I78VKZEF/FBN32I1I78VKZEF.SQUARE2.jpg http://cdn.instructables.com/FBN/32I1/I78VKZEF/FBN32I1I78VKZEF.SQUARE.jpg http://cdn.instructables.com/FBN/32I1/I78VKZEF/FBN32I1I78VKZEF.SMALL.jpg joshmt2012 I finally found the time to make my own bench top power supply from and old computer power supply. This has been done many times before and this is my take on it. What you need Computer Power Supply Screw drivers Wire cutter/Strippers Ring terminals Soldering Iron (If your right terminals ...
By: joshmt2012

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Sat, 14 Mar 2015 16:37:24 PDT
DIY power supply http://www.instructables.com/id/Fully-adjustable-double-output-power-supply/
DIY power supply - More DIY How To Projects]]> http://cdn.instructables.com/FJ8/8ILK/I6YY2GHW/FJ88ILKI6YY2GHW.SQUARE2.jpg http://cdn.instructables.com/FJ8/8ILK/I6YY2GHW/FJ88ILKI6YY2GHW.SQUARE.jpg http://cdn.instructables.com/FJ8/8ILK/I6YY2GHW/FJ88ILKI6YY2GHW.SMALL.jpg Victor8o5 I recently stumbled across some pictures I took when I was building my first power supply, which I thought were lost, and so I've decided to make an instructable about it.In this instructable I'm going to show how to build a fully adjustable PSU with dual output, this power supply is ideal for begin...
By: Victor8o5

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Mon, 9 Mar 2015 18:10:33 PDT
Cheap variable power supply LM317 under 10$ http://www.instructables.com/id/Cheap-variable-power-supply-LM317-under-10/
Cheap variable power supply LM317 under 10$ - More DIY How To Projects]]> http://cdn.instructables.com/F9S/WI76/I5ZZZI5H/F9SWI76I5ZZZI5H.SQUARE2.jpg http://cdn.instructables.com/F9S/WI76/I5ZZZI5H/F9SWI76I5ZZZI5H.SQUARE.jpg http://cdn.instructables.com/F9S/WI76/I5ZZZI5H/F9SWI76I5ZZZI5H.SMALL.jpg Saral Tayal I did not have an atx power supply or a professional lab power supply, but as any electronic enthusiast would know, electronics all operate at different voltages. This makes rapid prototyping very difficult if you don't have a variable power supply to provide these exact voltages.My build is very ve...
By: Saral Tayal

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Tue, 10 Feb 2015 17:29:10 PST
HTPC Streacom ZF240 Power Supply Mod http://www.instructables.com/id/HTPC-Streacom-ZF240-Power-Supply-Mod/
HTPC Streacom ZF240 Power Supply Mod - More DIY How To Projects]]> http://cdn.instructables.com/FS9/44XG/I5WCS3ZR/FS944XGI5WCS3ZR.SQUARE2.jpg http://cdn.instructables.com/FS9/44XG/I5WCS3ZR/FS944XGI5WCS3ZR.SQUARE.jpg http://cdn.instructables.com/FS9/44XG/I5WCS3ZR/FS944XGI5WCS3ZR.SMALL.jpg jerpelea THIS MOD CAN BE USED ONLY WITH 35W INTEL CPU!!!Streacom has made a wonderfull power supply but it has 2 major flawshttp://www.streacom.com/news-item/zf240-product-an...Spec Before ModPower Output: 240W Combined, 3.3V @ 10A, 5V @ 10A, 5VSB @ 2A, 12V @14A, -12V @ 0.3AInput Power: 100-240V AC 50/60Hz O...
By: jerpelea

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Sun, 8 Feb 2015 23:22:33 PST
Testing a 3 in 1 Soldering Workstation http://www.instructables.com/id/Testing-a-3-in-1-Soldering-Workstation/
Testing a 3 in 1 Soldering Workstation - More DIY How To Projects]]> http://cdn.instructables.com/FO9/GUSR/I5S2G4P0/FO9GUSRI5S2G4P0.SQUARE2.jpg http://cdn.instructables.com/FO9/GUSR/I5S2G4P0/FO9GUSRI5S2G4P0.SQUARE.jpg http://cdn.instructables.com/FO9/GUSR/I5S2G4P0/FO9GUSRI5S2G4P0.SMALL.jpg Tymkrs We were fortunate to get this SMD soldering station from http://thediyoutlet.com and I almost think we wish we had gotten this station from the start instead of having three separate tools that were more expensive and take up more space! We ran it through its paces by working on some SMD (surface m...
By: Tymkrs

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Wed, 4 Feb 2015 09:00:10 PST
Capacitor Discharger http://www.instructables.com/id/Capacitor-Discharger/
Capacitor Discharger - More DIY How To Projects]]> http://cdn.instructables.com/FOI/XSSG/I5LAZJYL/FOIXSSGI5LAZJYL.SQUARE2.jpg http://cdn.instructables.com/FOI/XSSG/I5LAZJYL/FOIXSSGI5LAZJYL.SQUARE.jpg http://cdn.instructables.com/FOI/XSSG/I5LAZJYL/FOIXSSGI5LAZJYL.SMALL.jpg mjm2008 I use this circuit when I troubleshoot electronics products for many years now and I think it is a good idea to share it with you. The original author could be found at the link bellow:http://www.repairfaq.org/sam/captest.htmThings you need to make the circuit: 8 pcs diodes : 1N4007 (choose any di...
By: mjm2008

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Thu, 29 Jan 2015 17:06:14 PST
G5 Mac Power Supply to ATX Mod http://www.instructables.com/id/G5-Mac-Power-Supply-to-ATX-Mod/
G5 Mac Power Supply to ATX Mod - More DIY How To Projects]]> http://cdn.instructables.com/FWS/P4KV/I5F7OPGT/FWSP4KVI5F7OPGT.SQUARE2.jpg http://cdn.instructables.com/FWS/P4KV/I5F7OPGT/FWSP4KVI5F7OPGT.SQUARE.jpg http://cdn.instructables.com/FWS/P4KV/I5F7OPGT/FWSP4KVI5F7OPGT.SMALL.jpg gsotocomulada Converting a Mac Power Supply to ATX motherboard its no so hard to do. On the Picture above there is a ATX power supply on the left and a Mac on the right. The connectors on the power supply are different for the 2 computers but the cables are color coded equally. Here is the diagram for the 2...
By: gsotocomulada

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Tue, 27 Jan 2015 19:34:33 PST
Plexi-glass box 4 home audio amplifier with power supplay http://www.instructables.com/id/Plexi-glass-box-4-home-audio-amplifier-with-power-/
Plexi-glass box 4 home audio amplifier with power supplay - More DIY How To Projects]]> http://cdn.instructables.com/F3W/T3F5/I53I4NYQ/F3WT3F5I53I4NYQ.SQUARE2.jpg http://cdn.instructables.com/F3W/T3F5/I53I4NYQ/F3WT3F5I53I4NYQ.SQUARE.jpg http://cdn.instructables.com/F3W/T3F5/I53I4NYQ/F3WT3F5I53I4NYQ.SMALL.jpg kompot Home made Plexy-glass box with power supply and audio amplifier.The idea was born because in house cinema I had no SUB. The system is 5.1, but the SUB was not amplified output. Variants have been two. Buy an active SUB, or just bought an amplifier and make a box First of all, I bought 2x50w Clas...
By: kompot

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Tue, 20 Jan 2015 03:22:59 PST
3D Printed Workbench Power Supply Converter http://www.instructables.com/id/3D-Printed-Workbench-Power-Supply-Converter/
3D Printed Workbench Power Supply Converter - More DIY How To Projects]]> http://cdn.instructables.com/FYK/VAY9/I4J7KF9C/FYKVAY9I4J7KF9C.SQUARE2.jpg http://cdn.instructables.com/FYK/VAY9/I4J7KF9C/FYKVAY9I4J7KF9C.SQUARE.jpg http://cdn.instructables.com/FYK/VAY9/I4J7KF9C/FYKVAY9I4J7KF9C.SMALL.jpg Weaverdev After being stuck with only battery and USB power for a while, the time finally came that I needed something with more juice. As workbench power supplies are generally not very cheap, I decided to convert a regular old computer PSU. However, as modifying a power supply directly renders the power sup...
By: Weaverdev

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Fri, 9 Jan 2015 08:18:07 PST
Converting 12v/24v power supply to remote (G-code) switching http://www.instructables.com/id/Converting-12v24v-power-supply-to-remote-G-code-sw/
Converting 12v/24v power supply to remote (G-code) switching - More DIY How To Projects]]> http://cdn.instructables.com/F0Z/Y1RZ/I4CNDD4I/F0ZY1RZI4CNDD4I.SQUARE2.jpg http://cdn.instructables.com/F0Z/Y1RZ/I4CNDD4I/F0ZY1RZI4CNDD4I.SQUARE.jpg http://cdn.instructables.com/F0Z/Y1RZ/I4CNDD4I/F0ZY1RZI4CNDD4I.SMALL.jpg MindRealm Hi everyone!This Instructable shows you how to remotely switch your 12v or 24v power supply, using G-Code or by adding buttons in Pronterface. The process voids the warranty on the power supply, but they are only around $25 so not the end of the world if it dies, right?This projects should cost less...
By: MindRealm

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Fri, 2 Jan 2015 19:37:58 PST
DIY Power Supply http://www.instructables.com/id/DIY-Power-Supply/
DIY Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FVX/Q6LU/I3R6ZIN9/FVXQ6LUI3R6ZIN9.SQUARE2.jpg http://cdn.instructables.com/FVX/Q6LU/I3R6ZIN9/FVXQ6LUI3R6ZIN9.SQUARE.jpg http://cdn.instructables.com/FVX/Q6LU/I3R6ZIN9/FVXQ6LUI3R6ZIN9.SMALL.jpg jenfoxbot Obtaining a free power supply is incredibly quick and easy with a few basic tools and an old desktop computer. Most desktop computers are perfectly fine when they are exchanged for a newer, top-of-the-line system. If you have no other use for a working desktop, you can harvest the power supply to pr...
By: jenfoxbot

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Tue, 16 Dec 2014 13:04:35 PST
USB power adapter from socket http://www.instructables.com/id/USB-power-adapter-from-socket/
USB power adapter from socket - More DIY How To Projects]]> http://cdn.instructables.com/FHF/CD5L/I395RK32/FHFCD5LI395RK32.SQUARE2.jpg http://cdn.instructables.com/FHF/CD5L/I395RK32/FHFCD5LI395RK32.SQUARE.jpg http://cdn.instructables.com/FHF/CD5L/I395RK32/FHFCD5LI395RK32.SMALL.jpg torx Hi all.The Instructables by this time describes the construction of a dii very useful accessory.ATTENTION: IMPORTANT MESSAGE:Electricity is potentially dangerous. Don't do anything with it completely do not understand or do not have the slightest doubt about. Whatever you do, the result is your pers...
By: torx

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Wed, 3 Dec 2014 14:29:38 PST
Simple USB UPS http://www.instructables.com/id/Simple-USB-UPS/
Simple USB UPS - More DIY How To Projects]]> http://cdn.instructables.com/FGR/MFIJ/I2TG447O/FGRMFIJI2TG447O.SQUARE2.jpg http://cdn.instructables.com/FGR/MFIJ/I2TG447O/FGRMFIJI2TG447O.SQUARE.jpg http://cdn.instructables.com/FGR/MFIJ/I2TG447O/FGRMFIJI2TG447O.SMALL.jpg jwhart1 This is an very simple circuit to act as a Uninterruptible Power Supply for a usb powered device. I'm using it to prevent reset of Raspberry Pi's during short power flickers caused by high motor current draws on a battery powered system. The circuit I'm using is able to maintain full power to a Ra...
By: jwhart1

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Sun, 23 Nov 2014 15:15:24 PST
Lazyman's Switch http://www.instructables.com/id/Lazymans-Switch/
Lazyman's Switch - More DIY How To Projects]]> http://cdn.instructables.com/F50/21M3/I0LCRKB6/F5021M3I0LCRKB6.SQUARE2.jpg http://cdn.instructables.com/F50/21M3/I0LCRKB6/F5021M3I0LCRKB6.SQUARE.jpg http://cdn.instructables.com/F50/21M3/I0LCRKB6/F5021M3I0LCRKB6.SMALL.jpg VanKoZ When I go to bed every night after a hard work day I like to listen to some quiet chillout music from my pc :) But just before falling asleep every time I need to get up from my bed just when Im really comfortable ang go all across the room to stop the music and shutdown my pc...That really bugs me....
By: VanKoZ

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

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

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Wed, 17 Sep 2014 09:59:29 PDT
Bench Power from ATX PSU Thanks to Matthew http://www.instructables.com/id/Bench-Power-from-ATX-PSU-Thanks-to-Matthew/
Bench Power from ATX PSU Thanks to Matthew - More DIY How To Projects]]> http://cdn.instructables.com/FSZ/LA3M/HZGTGMCQ/FSZLA3MHZGTGMCQ.SQUARE2.jpg http://cdn.instructables.com/FSZ/LA3M/HZGTGMCQ/FSZLA3MHZGTGMCQ.SQUARE.jpg http://cdn.instructables.com/FSZ/LA3M/HZGTGMCQ/FSZLA3MHZGTGMCQ.SMALL.jpg ContraptionMaker This project was inspired by Matthew Beckler’s excellent project found here. Before getting into this project I want to quote Matthew’s warning…. "Please Note! There are several large capacitors in ATX power supplies, that will store a dangerous charge for a long time. Please let your power supply...
By: ContraptionMaker

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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Wed, 23 Apr 2014 10:48:24 PDT
LM317T Variable voltage power supply http://www.instructables.com/id/LM317T-Variable-voltage-power-supply/
LM317T Variable voltage power supply - More DIY How To Projects]]> http://cdn.instructables.com/F2N/AQ6R/HT0U48PL/F2NAQ6RHT0U48PL.SQUARE2.jpg http://cdn.instructables.com/F2N/AQ6R/HT0U48PL/F2NAQ6RHT0U48PL.SQUARE.jpg http://cdn.instructables.com/F2N/AQ6R/HT0U48PL/F2NAQ6RHT0U48PL.SMALL.jpg DIshendra After searching on internet for a nice power variable power supply based on LM317T voltage regulator i decided to design one of my own. Because i don't find a good pcb design. All the files are uploaded so you can download them. PCB is designed in Eagle Cad. MAKING THE PCB I used toner transfer m...
By: DIshendra

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

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

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

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

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

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

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

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Mon, 17 Feb 2014 18:38:31 PST
1.3-15V Analog Power Supply http://www.instructables.com/id/13-15V-Analog-Power-Supply/
1.3-15V Analog Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FQU/CWD4/HXLMLK09/FQUCWD4HXLMLK09.SQUARE2.jpg http://cdn.instructables.com/FQU/CWD4/HXLMLK09/FQUCWD4HXLMLK09.SQUARE.jpg http://cdn.instructables.com/FQU/CWD4/HXLMLK09/FQUCWD4HXLMLK09.SMALL.jpg braulio777 This power supply has an output of variable voltage from 1.3 to 15 Volt because it's based on an LM317 regulator in order to obtaining those voltages while a 0-15V Analog Monitor shows those ranges of reading with help of a potentiometer. Go to: http://www.youtube.com/watch?v=nWfUacvEBIw   What ...
By: braulio777

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

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

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

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Tue, 24 Dec 2013 07:03:43 PST