Instructables: exploring - technology - dc - popular http://www.instructables.com Thu, 21 Aug 2014 21:54:22 PDT BLOX v1.01 ATtiny85 POV Display http://www.instructables.com/id/ATtiny8545-POV-Display/
ATtiny85 POV Display - More DIY How To Projects]]> http://cdn.instructables.com/FLP/8YSH/HW4ON6QE/FLP8YSHHW4ON6QE.SQUARE2.jpg http://cdn.instructables.com/FLP/8YSH/HW4ON6QE/FLP8YSHHW4ON6QE.SQUARE.jpg http://cdn.instructables.com/FLP/8YSH/HW4ON6QE/FLP8YSHHW4ON6QE.SMALL.jpg vishalapr The first time I saw a POV (Persistence Of Vision) display was on a show called FAQ on TV. The POV display consisted of an oscillating shaft with 6 LED's mounted on the end of the shaft. Since then I have always wanted to make one myself, I tried making one about 2 months ago with an oscillating sha...
By: vishalapr

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Mon, 9 Jun 2014 01:02:10 PDT
DC-DC HV Boost Converter http://www.instructables.com/id/DC-DC-HV-Boost-Converter/
DC-DC HV Boost Converter - More DIY How To Projects]]> http://cdn.instructables.com/FPM/YBNS/FWA98LI3/FPMYBNSFWA98LI3.SQUARE2.jpg http://cdn.instructables.com/FPM/YBNS/FWA98LI3/FPMYBNSFWA98LI3.SQUARE.jpg http://cdn.instructables.com/FPM/YBNS/FWA98LI3/FPMYBNSFWA98LI3.SMALL.jpg rwilsford07 Operation and Electronics Intro How Does A Boost Converter Work? Basic Principal: A boost converter works in two stages, ON and OFF. In the ON stage the Semi-conductive Switch is conducting and current builds up in the inductor producing an electromagnetic field, this field stores energy. In the...
By: rwilsford07

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Sat, 20 Jun 2009 12:13:20 PDT
littleBits Sample Rotator http://www.instructables.com/id/littleBits-Sample-Rotator/
littleBits Sample Rotator - More DIY How To Projects]]> http://cdn.instructables.com/F7V/01WO/HQQLL298/F7V01WOHQQLL298.SQUARE2.jpg http://cdn.instructables.com/F7V/01WO/HQQLL298/F7V01WOHQQLL298.SQUARE.jpg http://cdn.instructables.com/F7V/01WO/HQQLL298/F7V01WOHQQLL298.SMALL.jpg KRA5H In this Instructable I demonstrate how to build a sample rotator using Erector set parts and littleBits. The sample rotator, or media rotator "is a common piece of standard laboratory equipment that is used for continuous mixing of lab samples, for example for slowly reacting or dissolving component...
By: KRA5H

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Thu, 23 Jan 2014 08:16:31 PST
wall transformer for project power supply http://www.instructables.com/id/wall-transformer-for-project-power-supply/
wall transformer for project power supply - More DIY How To Projects]]> http://cdn.instructables.com/F3O/EDU9/7HFEYF7IF12/F3OEDU97HFEYF7IF12.SQUARE2.jpg http://cdn.instructables.com/F3O/EDU9/7HFEYF7IF12/F3OEDU97HFEYF7IF12.SQUARE.jpg http://cdn.instructables.com/F3O/EDU9/7HFEYF7IF12/F3OEDU97HFEYF7IF12.SMALL.jpg connors934 Wondering what to do with those old wall transformers? Use them for power supplies to run electronics projects! You will need some of these: power supply (go with a junker) Alligator clips with plastic boots wire strippers or cutters needlenose pliers multimeter some tape pen about 10 minutes Yo...
By: connors934

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Thu, 22 Feb 2007 22:43:47 PST
$1.50 Arduino TV Annoyer!! (Turns TVs on when you want them off) http://www.instructables.com/id/150-Arduino-TV-Annoyer-Turns-TVs-on-when-you-/
$1.50 Arduino TV Annoyer!! (Turns TVs on when you want them off) - More DIY How To Projects]]> http://cdn.instructables.com/F4Y/QT5L/H52FXKOO/F4YQT5LH52FXKOO.SQUARE2.jpg http://cdn.instructables.com/F4Y/QT5L/H52FXKOO/F4YQT5LH52FXKOO.SQUARE.jpg http://cdn.instructables.com/F4Y/QT5L/H52FXKOO/F4YQT5LH52FXKOO.SMALL.jpg xBacon Hey Arduino fans! Here is an 'ible for making a device that turns TVs on when you want them off, and off then you want them on! If you hide it in something inconspicuous, it would make a great April Fools joke or gag gift. And the best part is that the total parts cost is less than $1.50!! (Assumin...
By: xBacon

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Wed, 1 Aug 2012 11:06:25 PDT
hack that battery pack! ( also, a small lesson in series, parallel, and series-parallel) http://www.instructables.com/id/hack-that-battery-pack-also-a-small-lesson-in-/
hack that battery pack! ( also, a small lesson in series, parallel, and series-parallel) - More DIY How To Projects]]> http://cdn.instructables.com/FGP/73W5/HK6XDCHV/FGP73W5HK6XDCHV.SQUARE2.jpg http://cdn.instructables.com/FGP/73W5/HK6XDCHV/FGP73W5HK6XDCHV.SQUARE.jpg http://cdn.instructables.com/FGP/73W5/HK6XDCHV/FGP73W5HK6XDCHV.SMALL.jpg out-of-the-box (be sure to check out the last step for some updated info and a how to for this method using 4 batteries, using four would increase the life span. i had to use three for the sake of saving space.) hack that battery pack!! we have all seen those 4 double a battery holders sold at radioshack, online,...
By: out-of-the-box

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Sat, 17 Aug 2013 15:19:07 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

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Sat, 25 Jun 2011 14:57:14 PDT
GUIDE TO LED PROJECTS http://www.instructables.com/id/GUIDE-TO-LED-PROJECTS/
GUIDE TO LED PROJECTS - More DIY How To Projects]]> http://cdn.instructables.com/F35/CVOT/HIGFJVDC/F35CVOTHIGFJVDC.SQUARE2.jpg http://cdn.instructables.com/F35/CVOT/HIGFJVDC/F35CVOTHIGFJVDC.SQUARE.jpg http://cdn.instructables.com/F35/CVOT/HIGFJVDC/F35CVOTHIGFJVDC.SMALL.jpg Dipankar INTRO. I had to do this project for many of my young friends who are interested in LED’s but do not know how to go about it. I also had the same problem but was fortunate enough to get HELP from my friends at www.Instructables.com. This is not about any calculation or study but a set of proven ru...
By: Dipankar

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Sun, 30 Jun 2013 06:06:25 PDT
Easy DC Motor Controller http://www.instructables.com/id/Easy-DC-Motor-Controller/
Easy DC Motor Controller - More DIY How To Projects]]> http://cdn.instructables.com/F6Z/RLG9/HH2VNEHS/F6ZRLG9HH2VNEHS.SQUARE2.jpg http://cdn.instructables.com/F6Z/RLG9/HH2VNEHS/F6ZRLG9HH2VNEHS.SQUARE.jpg http://cdn.instructables.com/F6Z/RLG9/HH2VNEHS/F6ZRLG9HH2VNEHS.SMALL.jpg mgingerich If you're building a robot or other microcontrolled gadget, you will need to drive DC motors forwards and backwards. In this instructable, I'll demonstrate a simple and inexpensive circuit that controls a DC motor from two I/O pins. It requires no integrated circuits, and uses commonly available par...
By: mgingerich

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Mon, 27 May 2013 19:02:40 PDT
High efficiency regulated Joule thief http://www.instructables.com/id/High-efficiency-regulated-Joule-thief/
High efficiency regulated Joule thief - More DIY How To Projects]]> http://cdn.instructables.com/FHR/2RDQ/HGH6JV9Q/FHR2RDQHGH6JV9Q.SQUARE2.jpg http://cdn.instructables.com/FHR/2RDQ/HGH6JV9Q/FHR2RDQHGH6JV9Q.SQUARE.jpg http://cdn.instructables.com/FHR/2RDQ/HGH6JV9Q/FHR2RDQHGH6JV9Q.SMALL.jpg Milen      Normally the Joule thief produces output voltage, which value is difficult to predict. Without load (the LED) I have measured voltages over 30 V. I wanted to create a Joule thief, which can be used to supply some small electronic devices, but having well defined and stable output voltage. There...
By: Milen

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Thu, 9 May 2013 14:24:03 PDT
Adaptable 12vDC/220vAC Pure Sinewave Inverter http://www.instructables.com/id/Adaptable-24vDC220vAC-Pure-Sinewave-Inverter-1/ http://cdn.instructables.com/FBA/2596/HBHGIOD6/FBA2596HBHGIOD6.SQUARE2.jpg http://cdn.instructables.com/FBA/2596/HBHGIOD6/FBA2596HBHGIOD6.SQUARE.jpg http://cdn.instructables.com/FBA/2596/HBHGIOD6/FBA2596HBHGIOD6.SMALL.jpg nickk Here is a very simple pure sinewave inverter based on the microntoller "PIC 16F628A", "don't freak out !", NO it is not difficult to use microntollers, actually it could not be any easier than this. For those wondering, Yes I myself designed the circuit concept, schematic and components but had to ...
By: nickk

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Fri, 21 Dec 2012 10:19:58 PST
Create a DC Power Supply http://www.instructables.com/id/Create-a-DC-Power-Supply/
Create a DC Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/F1R/ZM4I/HEXSG35X/F1RZM4IHEXSG35X.SQUARE2.jpg http://cdn.instructables.com/F1R/ZM4I/HEXSG35X/F1RZM4IHEXSG35X.SQUARE.jpg http://cdn.instructables.com/F1R/ZM4I/HEXSG35X/F1RZM4IHEXSG35X.SMALL.jpg nichloe How to make a DC power supply using the AC wall voltage! Build a basic full-wave bridge rectifier Your circuit should contain: 1. A transformer with a turn ratio of about 6. Connect your transformer to a power strip with an on and off switch for safety. The voltage from the wall is generally ab...
By: nichloe

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Sun, 31 Mar 2013 23:13:18 PDT
AC to DC converter=diode bridge http://www.instructables.com/id/AC-to-DC-converterdiode-bridge/
AC to DC converter=diode bridge - More DIY How To Projects]]> http://cdn.instructables.com/FSB/41QX/FOWZOOQZ/FSB41QXFOWZOOQZ.SQUARE2.jpg http://cdn.instructables.com/FSB/41QX/FOWZOOQZ/FSB41QXFOWZOOQZ.SQUARE.jpg http://cdn.instructables.com/FSB/41QX/FOWZOOQZ/FSB41QXFOWZOOQZ.SMALL.jpg joinaqd A diode bridge is a device that changes Alternating Current(AC) to Direct Current(DC). The difference between these two kinds are that, AC is pulsed electricity switching polarities 50-60 times per second.(If you look at electronic devices it says that it runs on 50 Hertz AC)Switching polarities= - ...
By: joinaqd

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Tue, 23 Dec 2008 18:19:12 PST
Convert an ATX Power Supply Into a Regular DC Power Supply! http://www.instructables.com/id/Convert-an-ATX-Power-Supply-Into-a-Regular-DC-Powe/
Convert an ATX Power Supply Into a Regular DC Power Supply! - More DIY How To Projects]]> http://cdn.instructables.com/FE8/G61I/F5R8IUJU/FE8G61IF5R8IUJU.SQUARE2.jpg http://cdn.instructables.com/FE8/G61I/F5R8IUJU/FE8G61IF5R8IUJU.SQUARE.jpg http://cdn.instructables.com/FE8/G61I/F5R8IUJU/FE8G61IF5R8IUJU.SMALL.jpg Sitnalta A DC power supply can be hard to find and expensive. With features that are more or less hit or miss for what you need. In this Instructable, I will show you how to convert a computer power supply into a regular DC power supply with 12, 5 and 3.3 volt outputs. For about $10! Why use a computer (AT...
By: Sitnalta

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Sun, 26 Aug 2007 13:02:18 PDT
250 to 5000 watts PWM DC/AC 220V Power Inverter http://www.instructables.com/id/250-to-5000-watts-PWM-DCAC-220V-Power-Inverter/ http://cdn.instructables.com/F8P/3ZD6/H8OJF3JW/F8P3ZD6H8OJF3JW.SQUARE2.jpg http://cdn.instructables.com/F8P/3ZD6/H8OJF3JW/F8P3ZD6H8OJF3JW.SQUARE.jpg http://cdn.instructables.com/F8P/3ZD6/H8OJF3JW/F8P3ZD6H8OJF3JW.SMALL.jpg nickk This is a heavy duty design of a Pulse Width Modulator DC/AC inverter using the chip SG3524 . I've been using it as a backup to power up all my house when outages occur since aprox. 6 years non stop. If you like the work and intend to build the circuit don't forget to click on the "follow" button s...
By: nickk

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Tue, 7 Apr 2009 16:34:43 PDT
How to Build a Slayer Exciter http://www.instructables.com/id/How-to-Build-a-Slayer-Exciter/
How to Build a Slayer Exciter - More DIY How To Projects]]> http://cdn.instructables.com/FI4/6FSJ/H2TJ4GZG/FI46FSJH2TJ4GZG.SQUARE2.jpg http://cdn.instructables.com/FI4/6FSJ/H2TJ4GZG/FI46FSJH2TJ4GZG.SQUARE.jpg http://cdn.instructables.com/FI4/6FSJ/H2TJ4GZG/FI46FSJH2TJ4GZG.SMALL.jpg Chip Fixes A Slayer Exciter is an air-cored transformer that steps up a very low DC voltage to a very high AC voltage. This creates an electromagnetic field around the coil that is capable of lighting up fluorescent and neon light bulbs. It is fairly similar to a Tesla Coil. The Slayer Exciter was the brainst...
By: Chip Fixes

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Thu, 31 May 2012 15:01:42 PDT
Arduino Motor Shield Tutorial http://www.instructables.com/id/Arduino-Motor-Shield-Tutorial/
Arduino Motor Shield Tutorial - More DIY How To Projects]]> http://cdn.instructables.com/FES/1UE5/H05NSWPJ/FES1UE5H05NSWPJ.SQUARE2.jpg http://cdn.instructables.com/FES/1UE5/H05NSWPJ/FES1UE5H05NSWPJ.SQUARE.jpg http://cdn.instructables.com/FES/1UE5/H05NSWPJ/FES1UE5H05NSWPJ.SMALL.jpg randofo The Arduino Motor Shield allows you to easily control motor direction and speed using an Arduino. By allowing you to simply address Arduino pins, it makes it very simple to incorporate a motor into your project. It also allows you to be able to power a motor with a separate power supply of up to 12v...
By: randofo

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Mon, 26 Mar 2012 13:58:06 PDT
Remove a Servo Controller http://www.instructables.com/id/Remove-a-Servo-Controller/
Remove a Servo Controller - More DIY How To Projects]]> http://cdn.instructables.com/FET/0KPZ/H0KL7LDO/FET0KPZH0KL7LDO.SQUARE2.jpg http://cdn.instructables.com/FET/0KPZ/H0KL7LDO/FET0KPZH0KL7LDO.SQUARE.jpg http://cdn.instructables.com/FET/0KPZ/H0KL7LDO/FET0KPZH0KL7LDO.SMALL.jpg randofo Servo motors are great fun when you want to easily interface a geared motor with a micro controller. However, sometimes, you want a nice little geared motor and don't want to be bothered with control circuitry to drive it. At times like this, it is good to know how to remove the controller from insi...
By: randofo

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Fri, 16 Jul 2010 18:35:18 PDT
How to Make AC Powered "Batteries" for your DC Powered Devices http://www.instructables.com/id/How-to-Make-AC-Powered-Batteries-for-your-DC-Pow/
How to Make AC Powered "Batteries" for your DC Powered Devices - More DIY How To Projects]]> http://cdn.instructables.com/FG1/UAJ6/GAK6BJK4/FG1UAJ6GAK6BJK4.SQUARE2.jpg http://cdn.instructables.com/FG1/UAJ6/GAK6BJK4/FG1UAJ6GAK6BJK4.SQUARE.jpg http://cdn.instructables.com/FG1/UAJ6/GAK6BJK4/FG1UAJ6GAK6BJK4.SMALL.jpg lspcrash I made this copier recently, based on a digital camera and a stand. I dig it. I also made a few modifications, one of which I show in this instructable. The digital camera I use runs on 2,000 AA batteries, though it uses only 2 at the time. But it eats through these things. It laughed at rechargeab...
By: lspcrash

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Fri, 18 Jun 2010 08:37:28 PDT
How to make your own LED lightbulbs http://www.instructables.com/id/How-to-make-your-own-LED-lightbulbs/
How to make your own LED lightbulbs - More DIY How To Projects]]> http://cdn.instructables.com/FC4/HAN9/FM7WGPIZ/FC4HAN9FM7WGPIZ.SQUARE2.jpg http://cdn.instructables.com/FC4/HAN9/FM7WGPIZ/FC4HAN9FM7WGPIZ.SQUARE.jpg http://cdn.instructables.com/FC4/HAN9/FM7WGPIZ/FC4HAN9FM7WGPIZ.SMALL.jpg claudiopolis a tutorial to making commercial-look-a-like LED bulbs. After many attempts to make all sorts of LED-conversions I finnaly found one solution that is simple and efficient. Of course, you do need a great amount of patience in making this but when you consider the countless hours of pure light -low co...
By: claudiopolis

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Tue, 14 Oct 2008 09:36:30 PDT
CRANE GAME http://www.instructables.com/id/CRANE-GAME/
CRANE GAME - More DIY How To Projects]]> http://cdn.instructables.com/FE0/QXKL/G61ARO97/FE0QXKLG61ARO97.SQUARE2.jpg http://cdn.instructables.com/FE0/QXKL/G61ARO97/FE0QXKLG61ARO97.SQUARE.jpg http://cdn.instructables.com/FE0/QXKL/G61ARO97/FE0QXKLG61ARO97.SMALL.jpg marc.cryan This shows you how to build an arcade style crane game out of scrap parts.  The basic parts are: a motorized assembly that raises and lowers a claw,  a track for the assembly to move around on, and a ctontroller with some electronics.  October 2013 https://www.tindie.com/products/marc_cryan/claw/ A...
By: marc.cryan

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Tue, 23 Feb 2010 19:17:30 PST
How to build a Solar Power Station http://www.instructables.com/id/How-to-build-a-Solar-Power-Station/
How to build a Solar Power Station - More DIY How To Projects]]> http://cdn.instructables.com/FNB/YTP6/G0ZWKJ06/FNBYTP6G0ZWKJ06.SQUARE2.jpg http://cdn.instructables.com/FNB/YTP6/G0ZWKJ06/FNBYTP6G0ZWKJ06.SQUARE.jpg http://cdn.instructables.com/FNB/YTP6/G0ZWKJ06/FNBYTP6G0ZWKJ06.SMALL.jpg DIY Dave This Instructable is on how to build a battery power pack that charges from the sun. I built it this past summer to have a portable device that I could run and charge my  gadgets on. Wiring Diagram The first thing I did was draw a wiring diagram. The Parts Next I shopped around and purchased ...
By: DIY Dave

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Tue, 20 Oct 2009 20:02:49 PDT