Instructables: question - leds http://www.instructables.com Sun, 4 Dec 2016 20:37:47 PST BLOX v1.01 Question about Resistors http://www.instructables.com/answers/Question-about-Resistors/ 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 rdlockrey I have am writing an arduino sketch for a mini traffic light projects that will require both 220Ω & 330Ω resistors, I ordered them, the problem is that the resistors I received don't add up when looking at the bands. this is the color band  ORANGE+ORANGE+BLACK+ORANGE+BROWN 3 -------------3-------...
By: rdlockrey

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Tue, 22 Nov 2016 16:17:21 PST
A better search engine and learning more about bi-color leds? http://www.instructables.com/answers/A-better-search-engine-and-learning-more-about-bi-/ 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 jgmdpm1057 You have nothing on using bi-colored, 3 lead or 2 lead, leds.  Is this because you don't have any info or your search engine is lacking? To me a search engine should search for the item your looking for with the request "ONLY".  For example, if I'm looking for info or projects and am looking for "bi...
By: jgmdpm1057

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Wed, 16 Nov 2016 06:19:42 PST
Double flash led circuit? http://www.instructables.com/answers/Double-flash-led-circuit/ 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 EthanH48
By: EthanH48

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Thu, 27 Oct 2016 17:59:16 PDT
How to power LED Strips in my car via USB? http://www.instructables.com/answers/How-to-power-LED-Strips-in-my-car-via-USB/ 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 TimC181 Hi guys, I've always wanted to make my car (my parents car :'c ) a little bit more fun, It's a 10/11 year old ford fiesta without Bluetooth/USB. Here's what I would like to do, just wondering if anybody can see any problems with this. I know very little about power or how electronics work. I want ...
By: TimC181

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Thu, 27 Oct 2016 07:51:20 PDT
Why do yellow (amber) & lime green LEDs suck? http://www.instructables.com/answers/Why-do-yellow-amber-lime-green-LEDs-suck/ 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 -max- In my experience, I have dealt with many colors of LEDs, and from what it seems, red, neon green, and blue LEDs tend to be pretty good at producing light as well as surviving abuse. They also tend to require the least amount of current. However, I have found that almost all the the classic lime gree...
By: -max-

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Thu, 20 Oct 2016 21:22:57 PDT
How can I create a system where the LED flickers when the person touches it (Kinda like lightning effect) http://www.instructables.com/answers/How-can-I-create-a-system-where-the-LED-flickers-w/ 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 Grandplan I'm doing a project where I'm trying to mimic raining effects and I'm wondering how can I create a lightning effect by touch sensor. I need it to be small and light cause I'm trying to make it portable. I'm kinda new to electronics and so far have only built a basic LED circuit. Any help please?
By: Grandplan

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Sat, 8 Oct 2016 07:37:44 PDT
Why does my led strip only light if I push the middle led of every section ? http://www.instructables.com/answers/Why-does-my-led-strip-only-light-if-I-push-the-mid/ https://cdn.instructables.com/F0J/W5RC/ITCH76V2/F0JW5RCITCH76V2.SQUARE2.jpg https://cdn.instructables.com/F0J/W5RC/ITCH76V2/F0JW5RCITCH76V2.SQUARE.jpg https://cdn.instructables.com/F0J/W5RC/ITCH76V2/F0JW5RCITCH76V2.SMALL.jpg MagdaleneK1 So basically I have a 3528 12v led strip (monochrome blue not rgb) ,I made a portable power supply of two AA 6V battery boxes which I connected and then I connected those with the cables connected to the led strip ,I tried this with soldered cables on the leds ,clip on connectors to just 3 leds then...
By: MagdaleneK1

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Fri, 23 Sep 2016 05:28:22 PDT
Mass production and led's and arduinos? http://www.instructables.com/answers/Mass-production-and-leds-and-arduinos/ 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 stevecinstrfme I'm interested in making something that will have several led's that I would like to flash randomly and some flashing slowly, some fast, etc.. Some with the "fade in/ fade out" kinda deal (sorry, don't know the terminology). Anyway, I'm in the process of learning all about the arduino and I'm just b...
By: stevecinstrfme

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Sun, 11 Sep 2016 06:01:14 PDT
Powering 60 Neopixels and an arduino? http://www.instructables.com/answers/Powering-60-Neopixels-and-an-arduino/ 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 bigjohn412 I am in need of powering a 30 LED Neopixel strip and an arduino with the smallest sized (as in dimensions of the physical battery) battery possible. The arduino I am still trying to find because of the limited space I have to work with. I was thinking of the Gemma but not positive. I am in need of i...
By: bigjohn412

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Sun, 4 Sep 2016 17:33:14 PDT
LED Strip connected to car 12v port and isn't lighting up? http://www.instructables.com/answers/LED-Strip-connected-to-car-12v-port-and-isnt-light/ 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 marcelrees So i bought an LED strip which was rated at 12V, i connected it to the wall and they lit up, i then got a car charger which was 12V and wired it up, and they don't light up. The car charger itself has its indicator LED glowing and i checked with a voltmeter that it was supplying the 12V. I cannot se...
By: marcelrees

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Tue, 16 Aug 2016 20:47:31 PDT
RGB Connection - to - single color led strip http://www.instructables.com/answers/RGB-Connection-to-single-color-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 HelderN2 Hello, I have done some research and didn't find answer to my question. I have a sound sensitive coontroller with RGB conections, but I have led strip with a single color, so I has + / - wires. How to I connect the strips to controller? Regards
By: HelderN2

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Fri, 12 Aug 2016 07:00:48 PDT
Cool White 5630 LED Strip starts flashing/ cutting out after solder? http://www.instructables.com/answers/Cool-White-5630-LED-Strip-starts-flashing-cutting-/ https://cdn.instructables.com/FKZ/UR7H/IRO1HUIY/FKZUR7HIRO1HUIY.SQUARE2.jpg https://cdn.instructables.com/FKZ/UR7H/IRO1HUIY/FKZUR7HIRO1HUIY.SQUARE.jpg https://cdn.instructables.com/FKZ/UR7H/IRO1HUIY/FKZUR7HIRO1HUIY.SMALL.jpg ChrisB588 Hi, I'm trying to make an LED studio light out of a 5630 5m led strip. I tested the strip before cutting and it works perfectly. I've the strip into lenghts of 6 sections of 3 leds, placing them parallel. I'm soldering all the positive nodes to a wire on the left side and the negatives to a wire on ...
By: ChrisB588

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Wed, 10 Aug 2016 12:36:48 PDT
how to make 12v battery from 18650 li ion batteries? http://www.instructables.com/answers/how-to-make-12v-battery-från-18650-li-ion-batterie/ https://cdn.instructables.com/FO1/25JP/IRHUJIVS/FO125JPIRHUJIVS.SQUARE2.jpg https://cdn.instructables.com/FO1/25JP/IRHUJIVS/FO125JPIRHUJIVS.SQUARE.jpg https://cdn.instructables.com/FO1/25JP/IRHUJIVS/FO125JPIRHUJIVS.SMALL.jpg Cr77777 Hi, I have this led strip  http://www.supernight.cc/supernight-tm-5m-16-4ft-smd5050-rgb-double-row-600-leds-tube-waterproof-led-flexible-strip-light-12v-120led-m-strip.html Working Voltage is 12VDC. Working Current/meter: 0.8-1A the strip is 5 meter. 18650 x4 = 14.4 v 18650 x3 =10.8 v How can I ma...
By: Cr77777

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Fri, 5 Aug 2016 11:37:44 PDT
sync bass with subwoofer http://www.instructables.com/answers/sync-bass-with-subwoofer/ 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 HelderN2 Hello, I thing this is the right /r/ to ask this. I have a HTiB and I want to make 2 led strips with ~6 meters blink with bass. I have done some tests with my old subwoofer (logitech z5500) and I noticed that as the bass goes deeper, I got distorsions... I have read that we can use an amp to store ...
By: HelderN2

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Mon, 25 Jul 2016 09:15:31 PDT
Transformer less 6v smd led driver circuit? http://www.instructables.com/answers/Transformer-less-6v-smd-led-driver-circuit/ https://cdn.instructables.com/FUW/J8PL/IQNZZDRV/FUWJ8PLIQNZZDRV.SQUARE2.jpg https://cdn.instructables.com/FUW/J8PL/IQNZZDRV/FUWJ8PLIQNZZDRV.SQUARE.jpg https://cdn.instructables.com/FUW/J8PL/IQNZZDRV/FUWJ8PLIQNZZDRV.SMALL.jpg Soumojit Hi, I have buy a 6V smd led board which have12leds. Now I what to make a cheap transformer less power supply that light it in 220v ac  mains. I try with a 474k capacitor with 100k resistor parallel and 4 dioads and  a 1k resistor connect to the positive dc output . It works but the light of led is t...
By: Soumojit

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Sat, 16 Jul 2016 00:21:10 PDT
If i cut this 30cm LED strip that written 12V, how much will voltage will iit be per 2 LED's? http://www.instructables.com/answers/If-i-cut-this-30cm-LED-strip-that-written-12V-how-/ https://cdn.instructables.com/FXX/7RBO/IPZMOIXA/FXX7RBOIPZMOIXA.SQUARE2.jpg https://cdn.instructables.com/FXX/7RBO/IPZMOIXA/FXX7RBOIPZMOIXA.SQUARE.jpg https://cdn.instructables.com/FXX/7RBO/IPZMOIXA/FXX7RBOIPZMOIXA.SMALL.jpg miraheng 1) can i use 9V battery to it?  2} Its a long strip that written 12v every 2 led's, so if i cut, How much Voltage should i apply to it?
By: miraheng

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Wed, 29 Jun 2016 10:08:03 PDT
starting circuit for programmable sequence, for flashing LED? http://www.instructables.com/answers/starting-circuit-for-programmable-sequence-for-fla/ 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 bmcewen Hi- I am interested in suggestions for starting points to build a programable flashing LED.  The intervals of dark/light should be configurable, kind of like morse code.  But not subject to what I recall as requirements for Morse- dashes are 2x as long as dots, or something- duration will vary for ...
By: bmcewen

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Wed, 22 Jun 2016 18:25:24 PDT
How long can a 9v battery power a few leds? http://www.instructables.com/answers/How-long-can-a-9v-battery-power-a-few-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 AsherB4 Hi I am trying to make a display of my polymer clay angry birds in our local fair and I wanted to add a few little leds on it, the problem is they need to stay on constantly for at least 5 days  I am trying to figure out how long a 9v battery would power about 6-8 leds. is there a better way to do...
By: AsherB4

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Thu, 16 Jun 2016 12:52:07 PDT
what i fill in 'Link to Team website' in Makerspace Contest 2016 - Team Entry form? http://www.instructables.com/answers/what-i-fill-in-Link-to-Team-website-in-Makerspace-/ 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 pankajchauahan we (our team) decided to participate in this contest but we stuck while filling the entry form.  i want ask you that whether they want us to make a team website or something else?  please solve our doubt regarding this...
By: pankajchauahan

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Fri, 3 Jun 2016 09:13:28 PDT
What Do I Need To Change In Order To Run This Circuit With a Button Cell and a Momentary Switch? http://www.instructables.com/answers/What-Do-I-Need-To-Change-In-Order-To-Run-This-Circ/ 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 Numbuh1Nerd I'm trying to do a modification to this project here. I need to replace the 9v battery with a smaller one, probably a button cell or similar, and the slide switch with a momentary one. This is my first real electronics project, so I'm not sure how those changes might affect the rest of the component...
By: Numbuh1Nerd

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Thu, 2 Jun 2016 11:26:27 PDT
Can I get help making a simple circuit for two LEDs? http://www.instructables.com/answers/Can-I-get-help-making-a-simple-circuit-for-two-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 knex.gun.builder I can't find a circuit online or get any of my experimental circuits to work. I have been trying circuits with transistors - specifically the 2n3904. All I want to do is make a circuit that has two LEDs and any kind of switch. I want one LED to always be on. Then, once the button is pressed, the fi...
By: knex.gun.builder

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Wed, 25 May 2016 17:26:33 PDT
how to power 9 10 watt leds from a automotive battery? http://www.instructables.com/answers/how-to-power-9-10-watt-leds-from-a-automotive-batt/ 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 johnnytyler I am building a under water array using 9pcs  10 watt green leds, and will be powering from a automotive battery. the led data is. 10 watt green 900 lumens voltage dc 9-10.8  current 900mA integrated approach 3 and 3 My current build has them in parallel due to not wanting to lose all leds if one fa...
By: johnnytyler

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Mon, 9 May 2016 10:23:16 PDT
which power supply rating do I use for my diy led light panel? http://www.instructables.com/answers/which-power-supply-rating-do-I-use-for-my-diy-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 tinat36 I'm building a led light panel using 24 x 18W SMD 5630 72LED Rigid Light Strip Tube Bar Lamp Bright White 12V 1800LM connected in parallel so whats the power supply rating  Specifications for each lights strip: 1. Key Features: LED Light 2. Light Source: 72 LED 3.LED Size: SMD 5630 4. Luminous Flux:...
By: tinat36

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Tue, 3 May 2016 08:48:34 PDT
How to drive a 10W RGB LED with 12v PWM? http://www.instructables.com/answers/How-to-drive-a-10W-RGB-LED-with-12v-PWM/ https://cdn.instructables.com/FMK/KQPL/INNEJLGP/FMKKQPLINNEJLGP.SQUARE2.jpg https://cdn.instructables.com/FMK/KQPL/INNEJLGP/FMKKQPLINNEJLGP.SQUARE.jpg https://cdn.instructables.com/FMK/KQPL/INNEJLGP/FMKKQPLINNEJLGP.SMALL.jpg joearkay Hi all, I'd like to drive a 10W RGB LED, much like these ones found in the RGB LED floodlights. I want to strip all of the internal circuitry and control it with 12V PWM signals such as the ones that come from these controllers.  They all seem to provide around 4A/channel. My understanding is th...
By: joearkay

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Sat, 30 Apr 2016 06:31:41 PDT
Help with a simple led circuit? http://www.instructables.com/answers/Help-with-a-simple-led-circuit/ 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 Jon_uk Hi all, id id like to help my son with a simple school project. He wants to mod a mouse by replacing the cover with a clear cover and adding an rgb led that he can switch with a push switch, powered from the 5v usb.  So I need a little circuit to turn on, and switch colours on an rgb led via push ...
By: Jon_uk

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Tue, 19 Apr 2016 13:37:58 PDT
Can I power a 5v LED Strip with a USB cable? http://www.instructables.com/answers/Can-I-power-a-5v-LED-Strip-with-a-USB-cable/ 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 MarcosR38 I have an old USB cable from a phone charger and a 1,50 m long 5v LED strip. I've been doing some research and I figured out that the USB cable contains 4 little cables inside: 2 for data exchange and 2 for power.  What I want to achieve is a nice and soft backlight for my TV and I don't want to was...
By: MarcosR38

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Sat, 16 Apr 2016 10:23:14 PDT
NSD Powerball neon series custom LED's? http://www.instructables.com/answers/NSD-Powerball-neon-series-custom-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 slimydogballs3442 Has anyone had a go at soldering their own colour leds into those neon powerballs. from the looks of it, it seems like a bit of a big job...
By: slimydogballs3442

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Thu, 31 Mar 2016 21:59:01 PDT
Good place to get really good LEDs? http://www.instructables.com/answers/Good-place-to-get-really-good-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 -max- I have recently discovered that CREE has released some new XHP class LEDs awhile ago, and compared the the XML line that I have been a fan of, these ones seem to blow those out of the water. However, they are still somewhat $$$, although not too much. I would like to get my grubby evil hands on a fe...
By: -max-

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Tue, 29 Mar 2016 07:59:54 PDT
Help converting a Greenlite LED light Bulb to DC power? http://www.instructables.com/answers/Help-converting-I-have-a-GreenliteLED-light-Bulb-t/ https://cdn.instructables.com/FQ0/VA2L/ILA1CA24/FQ0VA2LILA1CA24.SQUARE2.jpg https://cdn.instructables.com/FQ0/VA2L/ILA1CA24/FQ0VA2LILA1CA24.SQUARE.jpg https://cdn.instructables.com/FQ0/VA2L/ILA1CA24/FQ0VA2LILA1CA24.SMALL.jpg MrTechGuy I have a GreenLite LED bulb that I took apart and cannot for the life of me figure out how to power it via DC without blowing it up. There are 21 LED's on an Aluminium plate, after mapping out the traces there are 3 series of 7 LED's with it running at 43.9-44.0 Volts. So I figure thats 6.2V per LE...
By: MrTechGuy

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Tue, 1 Mar 2016 16:15:49 PST
Can I power a 5M 5050 RGB led strip with a pc PSU? http://www.instructables.com/answers/Can-I-power-a-5M-5050-RGB-led-strip-with-a-pc-PSU/ 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 FlorianS20 I would love to control an RGB led strip with an Arduino, it would look great on my desk. I would love to know wether I could power this strip using an old desktop powersupply. LED strip: http://www.ebay.com/itm/5M-5050-RGB-SMD-Non-Waterproof-Flexible-LED-Strip-300LEDs-Free-44Key-IR-Remote-/1317050...
By: FlorianS20

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Mon, 29 Feb 2016 09:08:41 PST
How Bright is a 112 Lm/W LED? http://www.instructables.com/answers/How-Bright-is-a-112-LmW-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 Boba Jett Hello, I am on a mission to find a very very bright led preferably in red. I have seen lots of bulbs with ranging prices but don't understand how bright they are. One led I have seen is the Luxeon Rebel LXM5-PD01 which comes in red and is 112 Lm/W, I understand that it means 112 lumens per watt but ...
By: Boba Jett

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Fri, 5 Feb 2016 02:18:35 PST
how to find what causes a LED strip ws2812 to work partially ? http://www.instructables.com/answers/how-to-find-what-causes-a-LED-strip-ws2812-to-work/ 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 TalT3 HI All, i having trouble with my ambient light project. though it worked fine for a few weeks, all of a sudden less than half of the strip (the closer to PSU half) has been act strange and than stop to work. the rest of the strip work fine and still responsive. how do i discover which led is the cu...
By: TalT3

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Wed, 3 Feb 2016 15:04:05 PST
How to power 12V LED Strip with 5V USB via Computer Mouse Controller? http://www.instructables.com/answers/How-to-power-12V-LED-Strip-with-5V-USB-via-Compute/ 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 gonedrinkin Hello, I'm a electrical idiot, really appreciate it if you could explain in layman terms. I want to use the mouse electrical board, to power and control colours of my LED strip. This is for the chassis and random lighting. Note that I HAVE to use the mouse circuit board to control LED strip colours ...
By: gonedrinkin

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Tue, 2 Feb 2016 12:19:07 PST
Need help on led circuitry? http://www.instructables.com/answers/Need-help-on-led-circuitry/ 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 uma111 Hi everyone!  I have some 10W LED chip fowardcurrent 1050mA 9-12v I also have 12V 72W with 6.2A output driver. My question is what is the ideal amount of LED to fully utilize my power supply with optimum brightness? Pair up in Series or Parallel? Resistor needed? Sorry for my noobness. 
By: uma111

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Sat, 23 Jan 2016 02:38:40 PST
Please help to select a power source for 100W LED? http://www.instructables.com/answers/Please-help-to-select-a-power-source-for-100W-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 AlekhK I want to make a spotlight using 100W LED powered by a 2200mAh LiPo. I understand I need a power booster for this. Please suggest one of the correct specification. The LED: http://www.ebay.in/itm/100W-LED-COB-Chip-CW-WW-Blue-Red-Green-Super-Bright-single-color-/331632451175?var=&hash=item4d36d59e67...
By: AlekhK

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Thu, 14 Jan 2016 22:13:07 PST
Can I power a LED array with LiPo? http://www.instructables.com/answers/Can-I-power-a-LED-array-with-LiPo/ 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 AlekhK I want to power an led array of 10W LEDs connected in parallel with a LiPo. They are rated 12V and 1050A. So thought of connecting them to 5200mAh LiPo battery so that they all will get 12V and each will get less than 1050A. Can I do like this? Please suggest a cheap method to do this. Thanks Edit...
By: AlekhK

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Wed, 13 Jan 2016 06:02:13 PST
Ho do I pick an LED driver? http://www.instructables.com/answers/Ho-do-I-pick-an-LED-driver/ https://cdn.instructables.com/FRU/QNQ9/IJBPLR52/FRUQNQ9IJBPLR52.SQUARE2.jpg https://cdn.instructables.com/FRU/QNQ9/IJBPLR52/FRUQNQ9IJBPLR52.SQUARE.jpg https://cdn.instructables.com/FRU/QNQ9/IJBPLR52/FRUQNQ9IJBPLR52.SMALL.jpg iron_cupcakes I bought a few cree XP-E LEDs and I'm very confused as to what drivers I should buy. This is my first electronic project so I'm a bit confused. I do know that for high powered LEDs, constant current is the only way to go but I have no idea how much I need. These are the LEDs I bought: http://www.eba...
By: iron_cupcakes

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Tue, 12 Jan 2016 11:07:11 PST
Make image and project it? http://www.instructables.com/answers/Make-image-and-project-it/ http://cdn.instructables.com/FZ8/76VI/IIUKBTS4/FZ876VIIIUKBTS4.SQUARE2.jpg http://cdn.instructables.com/FZ8/76VI/IIUKBTS4/FZ876VIIIUKBTS4.SQUARE.jpg http://cdn.instructables.com/FZ8/76VI/IIUKBTS4/FZ876VIIIUKBTS4.SMALL.jpg Chamburn Hello everyone, I wanted for a while to make an image so that I can project but don't really know how to do it until recently I got this small like flashlight that actually projects an image.  Does anyone knows how to do it and the parts needed to build it. thanks
By: Chamburn

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Thu, 31 Dec 2015 12:07:29 PST
how to add Instructables RSS feeds to Yahoo home page? http://www.instructables.com/answers/how-to-add-Instructables-RSS-feeds-to-Yahoo-home-p/ 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 foxwoodfarm A year or so ago I added RSS feeds from Instructables to my Yahoo home page. It was groups like LEDS or Shop. I can't figure out how to do it now.  Any help will be appreciated.
By: foxwoodfarm

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Thu, 31 Dec 2015 11:56:54 PST
how can I make a 12v led driver? http://www.instructables.com/answers/how-can-I-make-a-12v-led-driver/ https://cdn.instructables.com/F9U/OI12/IIT509M3/F9UOI12IIT509M3.SQUARE2.jpg https://cdn.instructables.com/F9U/OI12/IIT509M3/F9UOI12IIT509M3.SQUARE.jpg https://cdn.instructables.com/F9U/OI12/IIT509M3/F9UOI12IIT509M3.SMALL.jpg Soumojit Hey I want to make a 9-12v 300mA  led driver with out transformer from 220V AC mains .  I want to make the driver cheap . I want to light up a single 12v led .  See the image below
By: Soumojit

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Thu, 31 Dec 2015 07:14:42 PST
Push button controlling different light combinations? http://www.instructables.com/answers/Push-button-controlling-different-light-combinatio/ 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 Kruegem You know how with some flash lights and such, you click the button and one LED turns on, then you press it again and more turn on. How would I get a result similar to that? What I'm trying to do is pressing a N/O button once and LED 1 turns on then clicking it again and LED 1 turns off while LED 2 t...
By: Kruegem

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Thu, 10 Dec 2015 20:02:04 PST
Can someone give me any Ideas or thoughts on how to make Led Iluminated books like these? http://www.instructables.com/answers/Can-someone-give-me-any-Ideas-or-thoughts-on-how-t/ 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 Shinigami3y3s I recently came across an article about these books that were illuminated by LED's at this art exhibit. I clicked the link and found a project i would like to attempt to try, and maybe you guys would to. Im not sure what would be the best way to duplicate what Ive seen. SO who better to ask then you...
By: Shinigami3y3s

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Tue, 8 Dec 2015 23:18:49 PST
quickest glue? http://www.instructables.com/answers/quickest-glue/ 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 designmore2 quick glue led wires into under cabinet corners   what to use
By: designmore2

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Thu, 19 Nov 2015 13:04:04 PST
Choose Your Favorite Picture For My Instructable? http://www.instructables.com/answers/Choose-Your-Favorite-Picture-For-My-Instructable/ http://cdn.instructables.com/F9R/035F/IH4QC2LR/F9R035FIH4QC2LR.SQUARE2.jpg http://cdn.instructables.com/F9R/035F/IH4QC2LR/F9R035FIH4QC2LR.SQUARE.jpg http://cdn.instructables.com/F9R/035F/IH4QC2LR/F9R035FIH4QC2LR.SMALL.jpg Yonatan24 I'm working right now on a HUGE project And, I need your help for choosing the best picture for my Instructable If you're interested, This Instructable is going to be on how-to-make a: 200 WATT Variable Spectrum LED Light Panel, Which I will use for taking pictures for my 'Ibles. And for some re...
By: Yonatan24

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Wed, 18 Nov 2015 05:17:59 PST
Powering LED strips that are cut into pieces? http://www.instructables.com/answers/Powering-LED-strips-that-are-cut-into-pieces/ https://cdn.instructables.com/F28/M4BT/IGWM0GFU/F28M4BTIGWM0GFU.SQUARE2.jpg https://cdn.instructables.com/F28/M4BT/IGWM0GFU/F28M4BTIGWM0GFU.SQUARE.jpg https://cdn.instructables.com/F28/M4BT/IGWM0GFU/F28M4BTIGWM0GFU.SMALL.jpg Pinguino72 I ordered an LED strip off Ebay and it came with a AC/DC adapter 12v 5A It powers the 5 meter bright white LED strip great. However, if I cat this strip into say 3,4 or 5 pieces. I need to know what I need to buy to power each of these pieces.  My understanding is that the adapter that came with the...
By: Pinguino72

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Thu, 12 Nov 2015 19:51:36 PST
Colored Lights- How do colored led lights work and what do they emit? http://www.instructables.com/answers/Colored-Lights-How-do-colored-led-lights-work-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 Potapids I'm doing an experiment by growing plants under colored led lights, so do led lights emit specifically one color. For example does a red led light emit only wavelengths of light that are red and no others. I want to make sure that only one color of light is existent to get accurate results. I hope t...
By: Potapids

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Sun, 8 Nov 2015 07:32:37 PST
Resistor Value for LED series? http://www.instructables.com/answers/Resistor-Value-for-LED-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 swatma I am new to electronics, just started it as a hobby, and tried my hands to make a LED Series. As I am not aware of the exact calculations to figure out the resistor value, I am facing problems - resistor is getting burnt. I am just seeing a led series bought from the market and trying to make anothe...
By: swatma

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Thu, 5 Nov 2015 18:01:02 PST
would like to know where to wire the 10k linear potentiometer to the Lm317 http://www.instructables.com/answers/would-like-to-know-where-to-wire-the-10k-linear-po/ https://cdn.instructables.com/FP2/NCND/IGL4CI81/FP2NCNDIGL4CI81.SQUARE2.jpg https://cdn.instructables.com/FP2/NCND/IGL4CI81/FP2NCNDIGL4CI81.SQUARE.jpg https://cdn.instructables.com/FP2/NCND/IGL4CI81/FP2NCNDIGL4CI81.SMALL.jpg lex76 I'm trying to build a Led Constant Current driver for my led grow plants but I'm stuck on where i would solder the 10k linear potentiomter on the LM317 By the way this is what I'm using 10k linear pot 1kohms fix resister 2.2ohms resister LM317 can someone please draw in color code where i would so...
By: lex76

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Thu, 5 Nov 2015 13:25:15 PST
how I make a led rain drop light ? http://www.instructables.com/answers/how-I-make-a-led-rain-drop-light-/ 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 Soumojit Hi guys,  I want to make a led rain drop lights like this---   So please help me and tell me how can I make this lights. I need the circuit of the light.  It will oparated in 240V AC mains. Thank you
By: Soumojit

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Mon, 26 Oct 2015 02:36:20 PDT
How do you wire a small amount (8-12) LED's, to be run off a small battery and with a switch? In Laymens terms if pos? http://www.instructables.com/answers/How-do-you-wire-a-small-amount-8-12-LEDs-to-be-run/ 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 RyanW49 Hi, I'm framing a piece of art with a deep frame and would like to put between 8 and 12 LED's in the frame. I will be running the wires and  hiding the battery and switch in a rebate around the outside of the frame. i will drill small holes in the frame every 2-3 inches through the frame for the LED...
By: RyanW49

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Sun, 25 Oct 2015 14:09:24 PDT