Instructables: question - lighting Thu, 23 Nov 2017 01:48:42 PST BLOX v1.01 problem with 5mm leds neelpal i make a 5mm(3.3v) white  6 led series and run it by 5v adapter without any resistor but after running feu hours 1 or 2 leds slowly lost it's brightness and then it's off i can't understand what is the problem please help.....
By: neelpal

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Wed, 8 Nov 2017 08:22:52 PST
Is there a DIY activity that involves light/LED that can capture people's attention to DIY in 10mins? LuH2MH I would like to begin an innovation class with an activity that catches the attention of the public, but very quick and that anyone can solve, showing that DIY and the maker mindset is for everyone and that it is empowering! I think all people like lights, that's why I thought of LEDs...
By: LuH2MH

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Wed, 2 Aug 2017 11:06:26 PDT
55V DC LED panel with driver - repair instructions? Downunder35m I just got a huge LED panel that is partially faulty. The big kind to replace lights with 3 long flouroscent tubes. Since I hate throwing stuff in the bin that could be repaired or used otherwise I was wondering: 1. Is there any interest in instructions on how to check and if possible repair these b...
By: Downunder35m

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Mon, 31 Jul 2017 19:34:06 PDT
Installing LED strip lights under deck railing using batteries. Kashmerem Hello! I would like to install roughly 5.5' Of LED strip lights beneath my deck railing for nightime use. Can anyone recommend an LED strip lighting system with the appropriate specs to light the deck beneath and the battery set up needed for such a system (preferably using C batteries or smaller)? ...
By: Kashmerem

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Thu, 12 Jan 2017 12:13:48 PST
41 LED Flasher Circuit using 555 IC TattooedJudge Hello from Scotland   Being costume and armour builder but being new to the electronics world I noticed this build using 41 led lights this would be perfect to compliment a build i'm currently working on my question is this do you have some sort of step by step guide to this ...
By: TattooedJudge

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Fri, 20 May 2016 10:40:14 PDT
I have a 3 way switch in the wall with no electric and can't figure where it goes? M.G1 I am stuck. I have two three way switches in a box. I think one went to a un-used outside light, but I can not find the other switch any place. The same it true of the other switch, also a three way. I don't know where it runs to. There are no additional switches in the house and no other lights the...
By: M.G1

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Tue, 12 Jan 2016 16:32:47 PST
9V adapter instead of 12V? pratheekprakash Hi,i have a led strip of 12V. but i dont have a adapter of 12V. so i am using a 9V adapter. does this damage the adapter or the led strip ?? thank you
By: pratheekprakash

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Mon, 28 Dec 2015 00:25:13 PST
Which Glue/Adhesive Should I Use With EL Wire? Yonatan24 Which Glue Should I Use With EL Wire? I want to glue some EL wire to glass, Which adhesive should I use? Which ones can you recommend? It would also be the best to use a clear adhesive My preferred ones are: Super Glue (cyanoacrylate) Hot Glue Clear Silicone
By: Yonatan24

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Wed, 9 Dec 2015 08:34:44 PST
How do I wire LEDs? JeffL35 I am trying to wire some LED lights for a set of iron pipe and distressed wood bookshelves.  From other questions I've read regarding LEDs, I conclude that I can use 18 gauge wire from the transformer to the fixture.  Can I run regular wire to the transformer from the outlet, and can I go approximat...
By: JeffL35

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Wed, 21 Oct 2015 15:45:12 PDT
How many LEDs i can connect to 240v AC supply using resistance? redtulip4u hello everyone, I just want to figure out how many 5mm super bright blue LEDs of  VF 3V , IF 25mA  i can connect directly to our 240v AC supply in series, only using a resistance in between. I google some circuits what i got :- 1) Android App named "ElectroDroid" can calculate Resistance for my 24...
By: redtulip4u

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Thu, 15 Oct 2015 23:09:04 PDT
How do i or is it ok to connect 100 LEDs (BLUE) with 12V DC 2amp supply in series? redtulip4u Hello Everyone, I bought 1000 5mm LEDs ( Blue) pack and now i want to make a string of 100 LEDs in series. Is that ok if i connect all 100 in series and connect them with the ac to dc adapter i bought ( 12V DC , 2 amp)? if not, then how much LEDs i should use in a series with this adapter ? What I...
By: redtulip4u

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Tue, 13 Oct 2015 11:18:29 PDT
Arduino & Neo Pixel help... Wired_Mist Hey Everyone ! I've been having some problems with the Adafruit Neo-Pixel Library Using Arduino. I need to set the Entire strip to one color and no mater how many google searches I do I can't find the code. Rather then the "colorWipe" or "theaterChase" mode I need to set a strip of 39 pixels to one ...
By: Wired_Mist

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Tue, 18 Aug 2015 21:14:38 PDT
Help with LED combination to make a face. pepelpue00 Hi,      I am trying to make a face using LEDs.  I have attached an image of what I want to make.  Referring to the image the first set of Led will fade in one by one and then stays on while the next set of LEDs fade in one by one.  This will continue until all the sets for the mouth LEDs have been...
By: pepelpue00

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Fri, 14 Aug 2015 12:44:53 PDT
What's the cheapest way to run all these F15T8 fluorescent tubes? conrad141 I have a bunch of F15T8 fluorescent tubes, and I want to make my own light fixture with something like 4-8 of them running at the same time. Doing some research has shown me that I need a ballast. Nearly all of the ballasts I found online for f15t8 were only for 1 or 2 lamps, and I don't really wan...
By: conrad141

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Tue, 21 Jul 2015 17:51:16 PDT
Does the length of a fluorescent tube matter? Will a shorter fluorescent tube work in a longer fixture? conrad141 Assuming the wattage is the same. I have some 15" fluorescent tubes. Will they work in fixtures made for longer tubes if the wattage is the same?
By: conrad141

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Mon, 20 Jul 2015 07:47:37 PDT
Fluorescent bulb questions ? FriendOfHumanity Hello, Short question but sorry,  I cannot seem to shorten it; the actual question is in the last two lines . My friend's outside light stopped working; Earlier today I was asked to replace the two bulbs; they had stopped working and seemed slightly brown on the ceramic part. They are four pin fl...
By: FriendOfHumanity

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Thu, 11 Dec 2014 23:16:54 PST
What kind of power supply do I need for my 10PCS 10W 30Mil SMD Led? TaNviR77 Hello I just bought 10 SMD white led. This lighting project is for my aquarium. I got the LEDs but now I need some newbie friendly help to connect these light and get a proper power supply for these. I don't know how much power will I be needing for them. Here are the details of the led lights from ...
By: TaNviR77

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Fri, 7 Nov 2014 06:01:01 PST
Portable lighting solution: Is it possible to power (400watt) Halogen light from a 12V Car Battery? lshoesmith Im trying to work out a cheap, portable way of lighting when on location whilst filming. The idea of a generator is just to expensive to even think of at the moment, so is it possible to power (400watt) Halogen light from a 12V Car Battery? Or  Are there any readily available 12V lights that prod...
By: lshoesmith

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Thu, 7 Aug 2014 07:47:51 PDT
Convert antique fireplace to simulated.? Doc Holliday I have a wall-mounted porcelain coal fireplace from a French chateau.  It has isinglass windows, so is amenable to diffused light. BUT, all the electric simulators are too wide to fit.  I tried using candles, BAD idea. Then I tried flickering Christmas lights, too constant and not enough color var...
By: Doc Holliday

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Thu, 3 Jul 2014 14:04:13 PDT
How do you sand blast empty wine bottles and what type of blaster do I need ? Medicnewt17
By: Medicnewt17

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Thu, 8 May 2014 10:12:49 PDT
Way to control two fluorescent bulbs in the same fixture individually? natedawg1013 I would like to set up a few fluorescent light fixtures that each have one blacklight bulb and one white bulb. I would like to be able to control them individually so that I can have either the blacklight bulb or the white bulb on at any given time. It would be preferable to be able to dim the white...
By: natedawg1013

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Mon, 5 May 2014 00:07:21 PDT
Homemade bike lights? sf49ers I am trying to make a front light for my bicycle and I have my electronic part right but, I need to find a reflective background for it but I don't know where I would get it.  
By: sf49ers

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Mon, 3 Feb 2014 15:34:59 PST
How to properly power LED Strip Lights using battery for mobile sign? jenneee Hello and thank you in advance for any assistance you can offer me here.  I'm clueless here... So, here is the plan, I have purchased a strip of LED lights (see them here: and am attempting to place them on a mobile...
By: jenneee

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Wed, 16 Oct 2013 05:55:17 PDT
Retrofitting an antique light fixture? thoughtfission Hi, I just picked up a really nice old hanging light fixture. I want to upgrade it with modern light sockets and lampshades to use in our new house (Actually 200 years old but new to us). Has anybody had any experience doing this? Could you give me a few pointers? Thanks, G
By: thoughtfission

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Thu, 15 Aug 2013 14:16:40 PDT
Any ideas on making a curved plexiglass panel with LED lighting the etching in it? jdanaher1 So, I want to create a 2"-3" wide strip of plexiglass that I would etch and then curve (using to heat to wrap the 2"-3" wide strip around something round, for example a pipe). My question is, if I had an LED source lighting the end of the strip (again, the narrow end) would the etched plexiglass lig...
By: jdanaher1

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Sat, 3 Aug 2013 14:46:54 PDT
Fireworks time delay? lochrin I want to set off a few fireworks on the night of my wedding aniversary, and rather than run off and light the fuse, or rely on my dopey brother, I was after a time delay with, say, a watch? So I could set it for 10pm and bamoo.. 10pm we outside enjoying drinks, and a few fireworks go up! I have see...
By: lochrin

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Thu, 10 Jan 2013 05:46:07 PST
3Watt LED Recessed Ceiling Downlight - 12 Volt Question soonerbliss1 I'm new to the world of LEDs, but have recently completed a DYI using Cree XR-E as eaves lighting outside my steel building.  Comtemplating doing the same on my personal residence and was considering the 3W 3 LED ceiling downlight ac85-265 under the soffits of my home.  These can be found in great a...
By: soonerbliss1

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Sat, 5 Jan 2013 14:29:11 PST
I want to add a waterproof LED light to my bike with an an on/off switch and a rechargeable battery to power the battery jujubee1465
By: jujubee1465

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Thu, 27 Dec 2012 05:35:05 PST
How to build this KOZO pipe lamp? Adambowker98 The lamp: Man (It is the Desk Lamp called "KOZO Man" I really like this lamp and would love to have one, but I am DEFINITELY NOT willing to fork out $500 for it. I have seen many other 'ibles on pipe lamps but I'm not quite sure how to build the feet of this lamp (the...
By: Adambowker98

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Wed, 26 Dec 2012 15:38:26 PST
what to do with extra mini christmas light bulbs? Kling_Klang I have extra mini christmas light bulbs and would like to do something with them to brighten up the rest of the year.  If possible using solar or a battery.
By: Kling_Klang

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Fri, 21 Dec 2012 13:23:39 PST
how can i show my name in stringfly effect in led cube? hentrymv
By: hentrymv

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Sun, 18 Nov 2012 12:14:01 PST
How can I wire blinking leds so that they can blink randomly ,giving that twinkling look? ray33 I know where to get blinking flashing leds, but i dont know how to wire them. Im trying to get that sparkly/twinkle effect like those Christmas ads in stores
By: ray33

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Sat, 3 Nov 2012 22:23:51 PDT
is there anyone that has directions and knows how to make a desk top lamp out of popsical sticks ? sabrosky3 i use to make them when my children were little and they were great but the directioins were stolen along with all my property when I put then into storage. and helped my mother take care of my dieing father in Florida
By: sabrosky3

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Wed, 5 Sep 2012 21:39:47 PDT
How do I wire a speed control with a a blinker using 110v indicator lights ? 1stcontact I have 15 110v  red indicator lights and need to light these one at a time using a speed control  and blinker control to simulate a heart beat. This monitor is the same that you can see in the Classic Monster Movie ,"The Bride of Frankenstein". Any help would be appreciated very much.?
By: 1stcontact

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Sun, 2 Sep 2012 00:43:36 PDT
useing 5050 smd leds strip style for shrimp lights, if i add a driver and heatsink will i get more light from my leds? hogrags
By: hogrags

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Sat, 4 Aug 2012 08:50:41 PDT
what battery pack would be needed to run these LED light strip for 6 hours? skobo Hi all, I am looking at building a wearable battery pack to power these light strips, As I am looking at this the wattage seems high 12 watts, I figure 8 AA 1.5 VDC batteries run in seriers would do the trick but any idea on run time?
By: skobo

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Sun, 15 Jul 2012 12:09:33 PDT
How do i keep a 3 way light bulb on 150 watt with a conventional socket (such as a pan light)? graytriton
By: graytriton

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Thu, 10 May 2012 06:27:14 PDT
240v to 12vdc driver/transformer, what wattage output do i need? ciderpig i am trying to power 12no 3w 12vdc bulbs starting with 240v mains. i have found a 240v - 12vdc driver/transformer meant for LEDS but not sure what wattage output i need, 40w?
By: ciderpig

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Thu, 26 Apr 2012 14:49:13 PDT
possible to make a project on the use of lightning wadhwavandana i am thinking to make a project on lightning in which i  use lightning  for the glow of electrical appliances at home
By: wadhwavandana

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Thu, 19 Apr 2012 22:17:02 PDT
Need help thinking of something conductive and magnetic? ARGMISTER I am trying to attach some led lights under a shelf and also need to make them removeable, i need to find something that is conductive as well as magnetic. My original idea was to just get some small nickel or ? plated screws and just wrap wire around them and screw them in but not completely sure o...

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Wed, 21 Mar 2012 11:22:16 PDT
Looking to build a battery powered small light (LED?) that works on a winding/pull cord. Alight until cord winds up. pickwicks_plum I'm an assemblage artist and I'd love to begin putting electrical components into my art pieces. My first idea is to back light a piece with a small lamp which the user has to pull a cord to turn on, and then only lasts a short time (20 seconds?). This would need to run on a battery of some sort whi...
By: pickwicks_plum

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Mon, 19 Mar 2012 16:00:13 PDT
monkeylectric battry pack install? james0007
By: james0007

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Mon, 16 Jan 2012 19:05:09 PST
what's an easy on/off switch for an LED light? buckcomm what's an easy on/off switch for an LED light, when using a simple battery and a single LED?
By: buckcomm

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Sat, 7 Jan 2012 14:29:53 PST
How to make a Bauhaus Arc Floor Lamp...? GreyBird So I was thinking of using Copper Pipe. Fill the pipe with sand, seal the edges and bend it over a jig whilst heating it with a flame. I would make the jig by cutting out a LARGE arc out of ply wood, add a slot for the pipe, heat, bend, repeat… See any flaws? Any Comments welcome, even ones about B...
By: GreyBird

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Wed, 5 Oct 2011 07:32:01 PDT
How do I turn tap lights into blinking led lights? Rindo Please help! I found a Youtube video of a deadmau5 head with led lights from rave gloves moded to regular tap lights. Only the user who made the head doesn't tell you how he did it. Does anyone know how it's done? Thanks for you help. Here is the link:
By: Rindo

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Tue, 9 Aug 2011 00:36:32 PDT
How can I build a structure that looks like the thruster cone on a robotic space probe? wcmartin I'm hoping to make something that looks like the thruster cones on a robotic space probe.  Something that looks similar to this cone. I'd rather it not be metal but something that can let some light through, like a lampshade.  Can anyone suggest something that looks similar to this?  It would be awe...
By: wcmartin

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Wed, 27 Jul 2011 20:39:27 PDT
I was wondering how do I connect a dimmer switch to a 24 hour programmable timer for a faux window. Claypoolgal I was wondering how do I connect a dimmer switch to a 24 hour programmable timer for a faux window. I want it to look as real as possible. So I am looking for sunset and sunrise. Any help would be great! Thank you?
By: Claypoolgal

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Wed, 20 Jul 2011 23:02:16 PDT
can oil lamp wicks, be used in homemade candles, cut down to the right size for a candle??? thanks? AJ911 cut down to 1/8 OD by 8 inches long???
By: AJ911

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Mon, 9 May 2011 20:17:34 PDT
Can I Use A Four Light Electrical Ballast With Only Two Bulbs? coolpizzadude
By: coolpizzadude

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Tue, 3 May 2011 03:36:25 PDT
How do I wire a 6 circuit terminal block for lighting a stoplight? dangermoomoo 3 light traffic light we want to at the very least light up. three light,yellow,green..with two wires each. one being white and one corresponding with the color light... (tealish for green, orangish for yellow, red for red). there are other wires (brown,yellow,white and red) that also ...
By: dangermoomoo

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Sun, 17 Apr 2011 16:10:11 PDT