Instructables: question - leds http://www.instructables.com Sun, 30 Aug 2015 12:57:43 PDT BLOX v1.01 Strangely behaving circuit, why? http://www.instructables.com/answers/Strangely-behaving-circuit-why/ http://cdn.instructables.com/FSV/W1IG/IDECUXT1/FSVW1IGIDECUXT1.SQUARE2.jpg http://cdn.instructables.com/FSV/W1IG/IDECUXT1/FSVW1IGIDECUXT1.SQUARE.jpg http://cdn.instructables.com/FSV/W1IG/IDECUXT1/FSVW1IGIDECUXT1.SMALL.jpg amdlo I have a circuit with a Lithium battery driving 12 same LEDs in a parallel setup. The circuit looks like this: http://i.imgur.com/FoBT5C0.png (also visible at the bottom of the question) The battery is charged to 3.8V and the LEDs have all around 2.73 forward voltage and they're rated for 20mA. Acc...
By: amdlo

Continue Reading »]]>
Sun, 16 Aug 2015 11:54:45 PDT
Changing led colors using pressure switch. http://www.instructables.com/answers/Changing-led-colors-using-pressure-switch/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif MikeL39 OK just to be up front i have no idea on how to do this so i would need the full story. i do know how to read schematics and can solder and most of the basic stuff. what i am looking to do is install led lights under my hood of my car in each of the snorkels that receive air from the outside. basica...
By: MikeL39

Continue Reading »]]>
Tue, 11 Aug 2015 08:35:55 PDT
Which is better, series or parallel for COB LED? http://www.instructables.com/answers/Which-is-better-series-or-parallel-for-COB-LED/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif JessaY1 What set up will minimize losses for better illuminance?thanks :)
By: JessaY1

Continue Reading »]]>
Fri, 31 Jul 2015 10:58:06 PDT
Can a ring illuminated 5A 250VAC pilot lamp (6v led lighted switch) control a mini pc fan using a 9v battery ? http://www.instructables.com/answers/Can-a-ring-illuminated-5A-250VAC-pilot-lamp-6v-led/ http://cdn.instructables.com/FKQ/JN4U/ICID6IGN/FKQJN4UICID6IGN.SQUARE2.jpg http://cdn.instructables.com/FKQ/JN4U/ICID6IGN/FKQJN4UICID6IGN.SQUARE.jpg http://cdn.instructables.com/FKQ/JN4U/ICID6IGN/FKQJN4UICID6IGN.SMALL.jpg JackH19 The fan is for the combustion chamber of a spud gun and comes with an internal toggle switch but I would like to use the external lighted switch. Suggestions are appreciated, Thanks
By: JackH19

Continue Reading »]]>
Sun, 26 Jul 2015 22:28:17 PDT
Scrolling message of Welcome for first day of school? http://www.instructables.com/answers/Scrolling-message-of-Welcome-for-first-day-of-scho/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif jwhit Every year on the first day of school we go outside and hold up a sign with our names on it to gather up our new students.  I would very much like to learn how to do this electronically using some type of LED display. Never done anything like this so it would have to be pretty simple at least to s...
By: jwhit

Continue Reading »]]>
Sun, 26 Jul 2015 08:18:57 PDT
Retrofit bug zapper with LED's, Would the high voltage be a problem? http://www.instructables.com/answers/Retrofit-bug-zapper-with-LEDs-Would-the-high-volta/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Vyger I have a large and good working bug zapper that just had the UV florescent tubes burn out. After pricing out new tubes. which are expensive, it occurred to me to try using UV LED's in place of the tubes. Physically there would be no problem. I can use a 3 inch PVC pipe and wrap the LED string around...
By: Vyger

Continue Reading »]]>
Wed, 22 Jul 2015 00:42:57 PDT
LEDs on a costume? http://www.instructables.com/answers/LEDs-on-a-costume/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif TishaC I have never used LEDs on a costume before, my planned costume will have approximately 50 separate strands of lights on it, in two different colors.  The way the costume is designed, there is simply no place to hide 50 battery packs (20, maybe but not 50), is there a way to attach several strands o...
By: TishaC

Continue Reading »]]>
Fri, 10 Jul 2015 19:49:24 PDT
Found amazing cheap RGB led boards, need help changing out 3 individual LEDS for a single RGB LED? http://www.instructables.com/answers/Found-amazing-cheap-RGB-led-boards-need-help-chang/ http://cdn.instructables.com/FQO/12DS/IBQCHS04/FQO12DSIBQCHS04.SQUARE2.jpg http://cdn.instructables.com/FQO/12DS/IBQCHS04/FQO12DSIBQCHS04.SQUARE.jpg http://cdn.instructables.com/FQO/12DS/IBQCHS04/FQO12DSIBQCHS04.SMALL.jpg Zebrahski I have been looking for a cheap board to control normal 4 pin RGB LEDS, and I finally found one! However, this board has 3 individual LEDS a red, green, and blue LED and I need to change them to have a single RGB LED. This board has 7 colors, red, green, blue, yellow, aqua, purple, and white. The pr...
By: Zebrahski

Continue Reading »]]>
Sun, 5 Jul 2015 23:26:36 PDT
HELP: Blinking light circuit ( Music Synced) http://www.instructables.com/answers/HELP-Blinking-light-circuit-Music-Synced/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif vmahajan3 Hi I'm trying to build a music synced blinking light circuit. However I AM A NOOB. I don't know almost anything about electronics and stuff. But i'll manage. So the first problem is that I cannot get tip31 or any tip transistors in the market. All I have is BC547 NPN transistor or 2N2222, General ...
By: vmahajan3

Continue Reading »]]>
Tue, 30 Jun 2015 23:54:32 PDT
Best way to make LEDs blink http://www.instructables.com/answers/Best-way-to-make-LEDs-blink/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif chorn1 I'm looking to make an LED strip blink on a switch. wondering which way would be the best way build the circuit. Open to opinions, was looking at a 555 timer, dual transistor and relay circuits. Was thinking of using the relay or dual transistor for the circuit for simplicity and size, am going to u...
By: chorn1

Continue Reading »]]>
Sun, 21 Jun 2015 01:28:20 PDT
Max length for running leds over cat5e? http://www.instructables.com/answers/Max-length-for-running-leds-over-cat5e/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif kjsrocks If i run 2 leds over cat5e cable how far away from the Arduino can I get? Thanks, Kade
By: kjsrocks

Continue Reading »]]>
Fri, 12 Jun 2015 12:47:35 PDT
how to connect 5MM RGB led to connect with 12v 6A controller? http://www.instructables.com/answers/how-to-connect-5MM-RGB-led-to-connect-with-12v-6A-/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif YOG PATEL8186 Dear all,  i am bit confused and want your expert help for following matter. 1. I have 12v 6A (2A X3 each= 6A)  RGB contoller  : as this link http://www.ebay.in/itm/24-key-IR-Infrared-Controller-remote-12V-power-Adaptor-fr-RGB-Strip-flood-Light-/161201011884?pt=LH_DefaultDomain_203&hash=item25...
By: YOG PATEL8186

Continue Reading »]]>
Thu, 11 Jun 2015 22:23:13 PDT
Is it possible to replace 4 AC adapters with one larger one? http://www.instructables.com/answers/Is-it-possible-to-replace-4-AC-adapters-with-one-l/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Chiefchaz I'm trying to link 4 strands of LED lights together and use one power source.  Currently each strand requires a model: DAV-3612 AC Adapter.  I would like to connect all four strands and use only one adapter, but would need a more powerful adapter. . . . I think.
By: Chiefchaz

Continue Reading »]]>
Sat, 6 Jun 2015 20:56:48 PDT
How to wire and power LEDS with a constant current driver? http://www.instructables.com/answers/How-to-wire-and-power-LEDS-with-a-constant-current/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif rachl009 I want to light up 6 leds, one each of red, orange, yellow, green, blue, purple.   The specs for red, orange, and yellow are: 20 mA, 2 V.  Green, blue purple are 20 mA, 3 V. I ordered these constant current drivers http://lighthouseleds.com/20ma-led-current-limiter-driver.html 20mA (+/- 3) Constan...
By: rachl009

Continue Reading »]]>
Mon, 1 Jun 2015 17:39:43 PDT
What type of battery would I need to power 10m of RGB LED strips? http://www.instructables.com/answers/What-type-of-battery-would-I-need-to-power-10m-of-/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif cobrien2115 For the summer, I would like to run two 5m strips of RGB LEDs in the cabin of my boat. I dont particularly want to run it off of the boat battery because I do not want to rain it while stationary. So my question is what type of battery, what specs, should I be looking for? Obviously a 12 volt batter...
By: cobrien2115

Continue Reading »]]>
Tue, 12 May 2015 13:30:18 PDT
Whats required to run LED lights off a battery? http://www.instructables.com/answers/Whats-required-to-run-LED-lights-off-a-battery/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Rchampagne93 Hey, Community  know what boffers are? I was hopping to make a pool noodle boffer, but put a little bit more love into it. I want it to be inspired from star wars. I was thinking of putting LED light strips up/in the sides of it. Maybe 2 or 3 strips of LEDs.  What kind of set up would i need to ha...
By: Rchampagne93

Continue Reading »]]>
Mon, 4 May 2015 23:18:43 PDT
If I were to melt copper wire onto wood...? http://www.instructables.com/answers/If-I-were-to-melt-copper-wire-onto-wood/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif hatii.rose If I were to melt copper wire onto wood, would it still have conductive properties? I'm trying to melt it onto a dried piece of driftwood to look like veins and then solder LEDs onto it. Any ideas?
By: hatii.rose

Continue Reading »]]>
Tue, 28 Apr 2015 18:24:59 PDT
How would I go about making ahelmet with LEDs that changed patterns? (i.e. like blinking, moving eye) http://www.instructables.com/answers/How-would-I-go-about-making-ahelmet-with-LEDs-that/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif lucy-cat The costume will be easy enough, but the lights?? Refs: http://cucumber.gigidigi.com/cq/page-357/ http://cucumber.gigidigi.com/cq/page-464/ http://cucumber.gigidigi.com/cq/page-450/ http://cucumber.gigidigi.com/cq/page-455/ that should be enough.
By: lucy-cat

Continue Reading »]]>
Sun, 26 Apr 2015 17:59:37 PDT
How do i go about choosing LEDs for a project? http://www.instructables.com/answers/How-do-i-go-about-choosing-LEDs-for-a-project/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Tomahawk92 So i'm planning on building a battery bank to charge my phone and other usb devices . I wanted to also use it as a flashlight, My size is limited, since i was planning on using an altoids tin, and i'm already stuffing two 18650 batteries inside. What i want to know is what is the brightest led i can...
By: Tomahawk92

Continue Reading »]]>
Sat, 18 Apr 2015 16:23:44 PDT
3.6v 250mAh Ni-MH battery to run 10 5mm LEDs? http://www.instructables.com/answers/36v-250mAh-Ni-MH-battery-to-run-10-5mm-LEDs/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif lifeofB I would like to use a rechargeable 3.6v 250mAh Ni-MH battery to directly power 10 5mm LEDs, is that too much mAh?
By: lifeofB

Continue Reading »]]>
Sat, 11 Apr 2015 17:10:52 PDT
Battery operated LED lighting inside for inside a picture frame shadow box ? http://www.instructables.com/answers/Battery-operated-LED-lighting-inside-for-inside-a-/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif lester.herbertson I need to light a shadow box for a guitar and would like to know if I can use battery's to power it  and a timer to shut it of after a few hours, the box would measure 26 wide and 40 tall And help would be greatly appreciated  Lester
By: lester.herbertson

Continue Reading »]]>
Tue, 7 Apr 2015 09:32:00 PDT
Simple Dimmable LED setup? http://www.instructables.com/answers/Simple-Dimmable-LED-setup/ http://cdn.instructables.com/F87/3GVF/I84H1TR7/F873GVFI84H1TR7.SQUARE2.jpg http://cdn.instructables.com/F87/3GVF/I84H1TR7/F873GVFI84H1TR7.SQUARE.jpg http://cdn.instructables.com/F87/3GVF/I84H1TR7/F873GVFI84H1TR7.SMALL.jpg Zaryck Hi everyone, A friend of mine has a project which involves using a large amount (40+) standard 5mm LEDs to light a frame to a uniform brightness with the ability to dim the entire setup uniformly. Due to the shape of this frame its not economical or practical enough to use strip lighting. Rather t...
By: Zaryck

Continue Reading »]]>
Mon, 6 Apr 2015 01:29:07 PDT
can someone draw a thru hole board for RGB 10w LED with 12v input? http://www.instructables.com/answers/can-someone-draw-a-thru-hole-board-for-RGB-10w-LED/ http://cdn.instructables.com/F80/YGM8/I834SGME/F80YGM8I834SGME.SQUARE2.jpg http://cdn.instructables.com/F80/YGM8/I834SGME/F80YGM8I834SGME.SQUARE.jpg http://cdn.instructables.com/F80/YGM8/I834SGME/F80YGM8I834SGME.SMALL.jpg turbiny 12v input from car battery to power this LED   something swimilar to these 1 2 3 but cheap and simple cos i dont wanna use SMD some info   on LED and board
By: turbiny

Continue Reading »]]>
Sat, 4 Apr 2015 09:58:25 PDT
Another LED power question? http://www.instructables.com/answers/Another-LED-power-question/ http://cdn.instructables.com/FV8/GD2U/I7W1S8YI/FV8GD2UI7W1S8YI.SQUARE2.jpg http://cdn.instructables.com/FV8/GD2U/I7W1S8YI/FV8GD2UI7W1S8YI.SQUARE.jpg http://cdn.instructables.com/FV8/GD2U/I7W1S8YI/FV8GD2UI7W1S8YI.SMALL.jpg Vyger I bought some LED modules with the intention of using them to replace florescent tubes in some fixtures. But I am now getting a bit confused about the power requirements because the numbers don't seem to add up. These are like the ones I bought. http://www.ebay.com/itm/221546290709?_trksid=p2059210...
By: Vyger

Continue Reading »]]>
Mon, 30 Mar 2015 14:18:49 PDT
What is the best way to power 25 red 3watt LED's and 5 blue 3watt LED's with a 100w LED constant current source driver? http://www.instructables.com/answers/What-is-the-best-way-to-power-25-red-3watt-LEDs-an/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif voltskaterzb Please excuse me as my technical skills are not as good as I would want them to be :D So, I am trying to build a grow light with this setup: 1. 25 red 3Watt LED's - DC Forward Voltage (VF) : 2.2-2.8Vdc - DC Forward Currect (IF) : 700mA 2. 5 blue 3Watt LED's - DC Forward Voltage (VF) : 3.4-3.8Vdc...
By: voltskaterzb

Continue Reading »]]>
Sun, 29 Mar 2015 15:34:35 PDT
Trying to make an LED Map, so placing an led anywhere on the map will make it light, any help? http://www.instructables.com/answers/Trying-to-make-an-LED-Map-so-placing-an-led-anywhe/ http://cdn.instructables.com/F0C/7TVN/I7IJARP0/F0C7TVNI7IJARP0.SQUARE2.jpg http://cdn.instructables.com/F0C/7TVN/I7IJARP0/F0C7TVNI7IJARP0.SQUARE.jpg http://cdn.instructables.com/F0C/7TVN/I7IJARP0/F0C7TVNI7IJARP0.SMALL.jpg AraMod I'm trying to make a map so that I can place an LED anywhere through it and it'll light up. Kind of like the old push pin method only the push pin is a single LED and I can place as many as I want on the map wherever it may be and it'll light up. I found one online but it's very expensive so I was t...
By: AraMod

Continue Reading »]]>
Sun, 22 Mar 2015 00:15:58 PDT
led values http://www.instructables.com/answers/led-values/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif johnm56 All i want is a list of led voltage and current values, you would think this a simple task,not so.They are few and far between and when you do find some they all contradict.
By: johnm56

Continue Reading »]]>
Wed, 18 Mar 2015 18:46:52 PDT
How to battery power 12v LED strips? http://www.instructables.com/answers/How-to-battery-power-12v-LED-strips/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif hanashoib I was going to power LED strips using a mains supply adaptor but because I want to put these lights in the kitchen, under cupboards, I'd have cables going behind the cooker. That's a big safety risk so I'm scrapping mains power. What solutions are there to battery power the LED lights. I'd like to ...
By: hanashoib

Continue Reading »]]>
Tue, 17 Mar 2015 02:33:02 PDT
Im trying to connect 4 high power leds in a series and I'm not sure what kind of power I need? http://www.instructables.com/answers/Im-trying-to-connect-4-high-power-leds-in-a-series/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif zac.gooch here is a link to the led. They are 20w each...would that mean I need more than a 80w power supply? http://www.mouser.com/Search/ProductDetail.aspx?R=CXA1310-0000-000F00K40E2virtualkeyCXA1310-0000-000F00K40E2virtualkey941-CXA13100F00K40E2
By: zac.gooch

Continue Reading »]]>
Sun, 15 Mar 2015 19:09:53 PDT
How to cut a LED Strip by not the marks provided? http://www.instructables.com/answers/How-to-cut-a-LED-Strip-by-not-the-marks-provided/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif crazybirzzz i'm lookin for a LED strip very special. 24V RGB 60 LED/m 1800 lumens / m IP 20 Trimmable each 5 cm. HERE COME THE ''PROBLEMO'' (Terminator) Every body offers to me each 10cm but it's imposible for us use that one. when I say everybody believe me  that I asked a lot of suppliers. Do you know how ...
By: crazybirzzz

Continue Reading »]]>
Tue, 10 Mar 2015 04:48:52 PDT
12V 5m LED strip. Cut into 1m, how much V per metre? http://www.instructables.com/answers/12V-5m-LED-strip-Cut-into-1m-how-much-V-per-metre/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif hanashoib So I've bought one of those 12V LED strips. I want to install a 1m length of LEDs. Do I need 12V for each of the 1 metres or will I need something like 4.5V per metre. Thank you
By: hanashoib

Continue Reading »]]>
Fri, 27 Feb 2015 03:12:57 PST
Choosing the right LED Dimmable Driver... http://www.instructables.com/answers/Choosing-the-right-LED-Dimmable-Driver/ http://cdn.instructables.com/F4G/IX4N/I6K9V8SX/F4GIX4NI6K9V8SX.SQUARE2.jpg http://cdn.instructables.com/F4G/IX4N/I6K9V8SX/F4GIX4NI6K9V8SX.SQUARE.jpg http://cdn.instructables.com/F4G/IX4N/I6K9V8SX/F4GIX4NI6K9V8SX.SMALL.jpg DonSpud Hi all, I am hoping someone can clear this up for me. I am building a DIY LED aquarium light and have chosen the following components: - 16 x 3W LED, Cool White - 4 x 3W LED, Royal Blue - 2 x 3W LED, Red I want to run all the LEDs off one dimmable LED driver and I have found this one which I thin...
By: DonSpud

Continue Reading »]]>
Wed, 25 Feb 2015 03:08:38 PST
Resistor for SMD LED 1306? http://www.instructables.com/answers/Resistor-for-SMD-LED-1306/ http://cdn.instructables.com/FBM/RJVV/I6DHZK31/FBMRJVVI6DHZK31.SQUARE2.jpg http://cdn.instructables.com/FBM/RJVV/I6DHZK31/FBMRJVVI6DHZK31.SQUARE.jpg http://cdn.instructables.com/FBM/RJVV/I6DHZK31/FBMRJVVI6DHZK31.SMALL.jpg SteveSquidFox I'm struggling to find any clues of what kind of resistor to use as I am a little new at this kind of project. I'll be using the lights in a small scale 9v project for up to 100 SMDs.  I'd appreciate any advice! Cheers :)
By: SteveSquidFox

Continue Reading »]]>
Fri, 20 Feb 2015 08:02:36 PST
LED driver and voltage help? http://www.instructables.com/answers/LED-driver-and-voltage-help/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif joshuawcolvey Here goes nothing. How everyone can help. Right now i have a 50watt led that can be wired 85-277VAC. It has a led driver that  has all this on it. Vin:85-277VAC Lin:ac0.35A Vout:DC20-36V Lout:1500MA+-3%MA 50Wa/70Wb Now with all that being said it is an hP0050 led driver. Now on 120VAC it pulls .42 ...
By: joshuawcolvey

Continue Reading »]]>
Mon, 2 Feb 2015 18:37:09 PST
Automatic LED turn on and off circuit, can someone check my circuit to see if it will work? http://www.instructables.com/answers/Automatic-LED-turn-on-and-off-circuit-can-someone-/ http://cdn.instructables.com/FP2/HQTO/I5BAV32R/FP2HQTOI5BAV32R.SQUARE2.jpg http://cdn.instructables.com/FP2/HQTO/I5BAV32R/FP2HQTOI5BAV32R.SQUARE.jpg http://cdn.instructables.com/FP2/HQTO/I5BAV32R/FP2HQTOI5BAV32R.SMALL.jpg hanashoib So I'm working on project where I want LED strips to turn on and off depending on whether or not the IR LED and phototransistor circuit is open or closed This is what I've come up with. Can someone please check and tell me if this will work or not (sorry I can't seem to find a good simulator) It m...
By: hanashoib

Continue Reading »]]>
Sat, 24 Jan 2015 10:37:18 PST
Can i use a 16.80 volt power supply for my led strip? http://www.instructables.com/answers/Can-i-use-a-1680-volt-power-supply-for-my-led-stri/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif dionisis.ntaouros Hello guys i have an old router's psu . the label on it writes 12V but the multimeter writes 16.80 Volts. Can i use this power supply or not ?
By: dionisis.ntaouros

Continue Reading »]]>
Fri, 23 Jan 2015 09:56:42 PST
Amps and Volts? http://www.instructables.com/answers/Amps-and-Volts/ http://cdn.instructables.com/FW9/23W4/I53HYTM6/FW923W4I53HYTM6.SQUARE2.jpg http://cdn.instructables.com/FW9/23W4/I53HYTM6/FW923W4I53HYTM6.SQUARE.jpg http://cdn.instructables.com/FW9/23W4/I53HYTM6/FW923W4I53HYTM6.SMALL.jpg achopra3 So i have a atx pc power supply and i am going to use a pci cable to draw power from it for a led lighting system and the led light system can only take up to 12 v at 2 a, will that destroy the led light system or will it be fine? (also i cant open up the box that controls the light system to fix th...
By: achopra3

Continue Reading »]]>
Wed, 14 Jan 2015 20:01:49 PST
Bicycle generator for lighting a led strip? http://www.instructables.com/answers/Bicycle-generator-for-lighting-a-led-strip/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif mick_ralte I want to make a bicycle power generator for a fair. I want to make two of those in such a way that the one who pedal faster get more number of led bulbs turn on. Can anybody help me with this kind of project. 
By: mick_ralte

Continue Reading »]]>
Thu, 8 Jan 2015 09:13:58 PST
Would I be able to put one 100 ohm 1/4 watt resistor in place of two 50 ohm 1/4 watt resistors? http://www.instructables.com/answers/Would-I-be-able-to-put-one-100-ohm-14-watt-resisto/ http://cdn.instructables.com/FMV/GW7K/I4LKJV3G/FMVGW7KI4LKJV3G.SQUARE2.jpg http://cdn.instructables.com/FMV/GW7K/I4LKJV3G/FMVGW7KI4LKJV3G.SQUARE.jpg http://cdn.instructables.com/FMV/GW7K/I4LKJV3G/FMVGW7KI4LKJV3G.SMALL.jpg Jakester98 The attached picture explains my question a little better. Thank you guys!
By: Jakester98

Continue Reading »]]>
Wed, 7 Jan 2015 01:34:47 PST
Best LED colors for long lasting illumination w/ a CR2032 3V Lithium Battery? http://www.instructables.com/answers/Best-LED-colors-for-long-lasting-illumination-w-a-/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif shewyne an exterior installation where the temps are in the 20's.  Needs to last 7 - 10 days.
By: shewyne

Continue Reading »]]>
Sun, 28 Dec 2014 20:33:20 PST
How can I salvage LEDs that are welded to metal heat sink? http://www.instructables.com/answers/How-can-I-salvage-LEDs-that-are-welded-to-metal-he/ http://cdn.instructables.com/FL2/U0WD/I48C8KT3/FL2U0WDI48C8KT3.SQUARE2.jpg http://cdn.instructables.com/FL2/U0WD/I48C8KT3/FL2U0WDI48C8KT3.SQUARE.jpg http://cdn.instructables.com/FL2/U0WD/I48C8KT3/FL2U0WDI48C8KT3.SMALL.jpg -max- I have a light fixture that used to be an street lamp, and the 350mA 240V constant current ballast failed. The LEDs appear to be welded directly to thin insulated metal sheets which as somehow bonded to the large metal heatsinks. I think the LEDs are Cree XR-C's, and there are 6 of them on each modu...
By: -max-

Continue Reading »]]>
Sun, 28 Dec 2014 14:31:56 PST
Best LED driver http://www.instructables.com/answers/Best-LED-driver/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif lokerin I am looking at making a chandelier which will consist of 6 groups of 13 LEDs. Since this is being hooked to a 120 volt circuit I will need a LED driver. Is it better to build the driver myself or just buy one.
By: lokerin

Continue Reading »]]>
Thu, 11 Dec 2014 22:46:57 PST
can I connect pre-kit led strip to a battery wired led strip (see pic)? http://www.instructables.com/answers/can-I-connect-pre-kit-led-strip-to-a-battery-wired/ http://cdn.instructables.com/FS1/M74X/I3H76KSM/FS1M74XI3H76KSM.SQUARE2.jpg http://cdn.instructables.com/FS1/M74X/I3H76KSM/FS1M74XI3H76KSM.SQUARE.jpg http://cdn.instructables.com/FS1/M74X/I3H76KSM/FS1M74XI3H76KSM.SMALL.jpg tamsee13 connecting a led kit (white strip) to battery pack (black strip) but am I stripping end both black and white to make it happen. Or way to make black same as white?  Is there an easy way to do this?  Thanks in advance.
By: tamsee13

Continue Reading »]]>
Thu, 11 Dec 2014 04:21:36 PST
How can I replicate this? http://www.instructables.com/answers/How-can-I-replicate-this/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Tom101222 Particularly the display that says volts , I have no problem pushing the data to the numerical display but I have no idea how to go about making the light up display that says Volts. http://www.tomsdigitalelectronics.com/yahoo_site_admin/assets/images/gt_aux_in_green.67132051_std.jpg
By: Tom101222

Continue Reading »]]>
Wed, 10 Dec 2014 15:17:41 PST
Piezo triggered LED Strip with multiple static and flashing colour? http://www.instructables.com/answers/Piezo-triggered-LED-Strip-with-multiple-static-and/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif oesheppard Hi There are already a few threads and topics on this site explaining how to hook up a piezo triggered light strip, however I'm looking to build a custom drum kit with particular lighting system and i can't find the info I need to build it.  Inside the drums I want a constant, static colour of my ...
By: oesheppard

Continue Reading »]]>
Tue, 2 Dec 2014 05:49:45 PST
Cutting and re-wiring X-mas LED garlands (not strips) http://www.instructables.com/answers/Cutting-and-re-wiring-X-mas-LED-garlands-not-strip/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Raitis Hi, Has anyone had to deal with cutting LED Christmas garlands into shorter pieces and then rewiring-powering them? What should I keep in mind when doing so? As far as my electrical knowledge goes I should first inspect the voltage which is provided by a standard converter already on a garland and ...
By: Raitis

Continue Reading »]]>
Wed, 26 Nov 2014 02:42:23 PST
Automated lighting inside wardrobe? http://www.instructables.com/answers/Automated-lighting-inside-wardrobe/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif K20Evo I'm in the middle of custom building a fitted wardrobe.  So far, I have hacked an Ikea PAX Wardrobe to fit into a wall with a custom shape.  The issue I am now facing is how to do the lighting.  On the right side, I have 3 shelves which I want to underlight, and on the left side, there are 2 rails....
By: K20Evo

Continue Reading »]]>
Sun, 23 Nov 2014 13:33:34 PST
im trying to hook up 200 LEDs in groups of 3-4 that can individually be turned off, whats the best way to power this? http://www.instructables.com/answers/im-trying-to-hook-up-200-LEDs-in-groups-of-3-4-tha/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif iZombiemovies. so im new to calculating power needed for projects so im hoping for some help im trying to hook up 200 LEDs in groups of 3-4 that can individually be turned off, whats the best way to power this? should i run the 3-4 leds in parallel ? and i need to be able to turn clusters of lights off.
By: iZombiemovies.

Continue Reading »]]>
Thu, 20 Nov 2014 21:03:46 PST
Trouble blinking leds with TIP31 http://www.instructables.com/answers/Trouble-blinking-leds-with-TIP31/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif en_rov Hello everybody, I am trying to make a blinking circuit to hook up to the LED strips in my car so they blink in sync with the bass.  I have made a circuit following some instructable here, I can't recall which it was. Anyway, I'm pretty sure the schematic is correct, because the leds blink. Now tw...
By: en_rov

Continue Reading »]]>
Tue, 18 Nov 2014 03:51:48 PST
How to connect 10 lights or LED's in sequence having all lights on when the switch reaches 10? http://www.instructables.com/answers/How-to-connect-10-lights-or-LEDs-in-sequence-havin/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif DaveG3 I want to construct a panel with a 10-position rotary switch that lights a vertical column of lights or LED's.  At position 1 the bottom light is on, at position 2 both lights 1 and 2 are on. At position 8, lights 1 through 8 are all on until at position 10 all 10 light are on.  The bottom lights wi...
By: DaveG3

Continue Reading »]]>
Fri, 14 Nov 2014 13:44:23 PST