Brand New LED Tv Is Giving Off Static Sound?

I am suspecting internal board problems. I suggest returning it to vendor for replacement

1. What is the difference between lcd tv, and a led tv? why s led 2 times as expensive?

It sounds like you are talking about projection televisions. In this style of TV there is a light engine inside the TV that projects light which is then minipulated with mirrors to the colors that appear on your screen. The earlier TV's used mini halogen bulbs which cost a couple hundred dollars and burn out after 2000-3000 hours of use. depending on how much you watch your TV the average was about 2-3 years of useage. Newer projection TV's use an LED lght source which is rated to last somewhere around 25,000 hours before it goes bad. This means you will get about 20 years or so life out of the LED bulb, which is way longer than most people keep TV's these days. So you are paying extra for not having to replace the bulb.

2. HELP PLEASE: Samsung LED TV Damaged ?

If you can ignore this until your finances improve, you will be happier

3. I have a 55 inch LED TV - is it OK to mount it on a wall a few feet above baseboard heating?

no longer a stable thought to mount a television close to any warmth source, radiator or sunlight. warmth ruins the circuits by way of the years. in case you may completely close down the radiator, then fantastic. If it is going to throw warmth, it is going to upward thrust and impression the television

4. My LED TV has fingerprints, how do I clean it?

Use whatever the owner's manual recommends for it

5. Turn off the internal speaker on my Seiki LED TV?

I have the same issue. Want to hook up my surround sound system but can not turn off the tv speakers and there is a delay between them. Annoying

6. Which 32/42" LED TV is best in India ?

Hi I would recommend Panasonic. Am not sure about India but here it is very popular All the best with your shoping

7. How do i put together a Sharp LED TV, PS3 and a Bose Accoustimass 6 sorround sound. Please help!!?

First of all, my condolences on your being stuck with some Bose junk. Google 'Bose sucks' for info as to why that is true. Bose is great at marketing, but lousy at building good audio products. This is why you never see Bose gear set up in stores to allow direct comparing of the Bose stuff with speakers made by other brands. Next, I am assuming that your Yamaha receiver is a HDMI model. You really should have posted the specific model numbers of all of the gear that you are asking about. So, the TV's audio would be through a digital optical cable from the TV into the receiver. The video would run from the receiver to the TV through an HDMI cable. The PS3 then is connected into the receiver, and when you want to use it, you fire up the receiver, select the input which the PS3 is connected into, and select the appropriate input on the TV. That way, you get sound through the receiver and the speakers.

8. Help choosing an LED tv?

Too much of a premium in price for the slightly larger picture. Definitely go with the 60" set

9. Can I use a screen cleaner that's meant for LCD TVs on my LED TV screen?

Yes. Just take care to let the unit get cold, spritz on the fluid - then wait for a full minute. The solution is water and alcohol but it is very weak to avoid melting the plastic or removing the anti-glare coating that some televisions have. Give it a minute to work. Then wipe gently in 1 direction with a soft cloth. They sell bags of MicroFiber cloths at the hardware store for a few bucks. Take care to not rub or 'polish' any spot. Let the screen dry and examine. Repeat the cleaning process if need be.

10. LED TV is not detecting laptop via HDMI to VGA converter cable?

That's because there's no such thing as a "HDMI to VGA cable." HDMI and VGA are very different signals, and you can not simply randomly solder a VGA connector to a few wires from a HDMI cable and expect it to work. There are HDMI to VGA converters, but they cost around a $100 because of the complexity of going from one signal to another. Also, are you SURE your TV does not have a VGA connector? Almost all HDTVs have one specifically for connecting a computer to the TV.

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Below is link to one brand/source that you can select the color temp, etc.Sample of Selection of color temp - LED FloodCan I connect my Samsung 32J4033 LED TV with my Android mobile phone by Wi-Fi or by Bluetooth?Yes you can, only if it is a smart TV.If its just a normal LED TV, then you cannot.You can make it smart though, by using either Google's Chromecast or Amazon's Fire TV stick and stream content on your TV, if that's what you want to do by connecting your android phone to the TV.Hope this answers it.Can I connect my Samsung 32J4033 LED TV with my Android mobile phone by Wi-Fi or by Bluetooth?.Adjusting LED currents same level for different voltage levelsThe smaller voltages would make it more difficult to light an LED with the same intensity using the method you talked about. I would probably use the different output voltages turn on N CH MOSFETS with very low Threshold voltages. Vdd should be 12 volts. Adjust your resistor values between the Cathode of LED and the Drain of MOSFET.LED light DROID 4You can use Light Flow to customize LED notifications; it also has a lite version.Light Flow allows you to take control of your notification LED colors and makes them successively flash one color after another.It also allows you to set repeating sounds on vibration patterns for you notifications. You can also set a "sleep" mode or "on charge" where the lights and/or sounds and vibrations will not be heard or seen.what kind of scientists study/create LED / OLED displays?Surely Electrical Engineers do this. But there are two types of Electrical Engineers. One who deal with power and the others who play with circuit design. Precisely , Circuit design professionals work with LES's or OLED's.Constant Current Square Wave through LEDWhy not use 1 side of an SN754410 Quad Half H-Bridge and ToneAC on the Arduino to drive the LED ?I am using this to drive 4 LED units, each 4.5V 54mA from my Arduino. My main power supply feeds a 7805 voltage regulator, and this supplies the Bridge. A diode on the output side drops the voltage to around 4.7V, and total current = 54 x 4 = 216mA.Do you think that the energy saved by using LED outweights the risk of lead?You will probably be delighted to hear that it is no longer much of an issue, as Lead (Pb) free LEDs are already in the marketplace (first link provided below), and several countries have already taken the lead in setting standards to eliminate LEDs containing lead already (second link). Arrangements should be made for the safe disposal of those which are in circulation, however they not that dangerous individually as they contain only very tiny amounts of lead usually in a sealed unit.Do LED lights get gradually dimmer as they age or just suddenly fail?Both failure modes occur. Generally more outright failures occur, due to cheaply designed power supplies that fail. But LEDs with simple power supplies just get dimmer with age. Sometimes power supply over voltages cause a premature failure of the LEDs, or heat build up will.Pi 3 not turning on red LED only lights up and the green LED lights up for 2 seconds before turning offThe number of times the green LED flashes indicates what the problem is:For Pi's running firmware before 20th October 2012:For newer firmware versions, so this will apply:I think the quickest fix is to backup anything important on the SD card. And try installing Raspbian again but on a different SD cardWhat happen if i connect the capacitors with few LED Strip in parallel?Yes, because they are in parallel. Which means that if the LED strips are different lengths, the voltage drop through each LED wo not be the same.No, the current through the capacitor will be higher so it will discharge faster. You could use a higher-value capacitor to compensate for this.Resistor calulation for two LEDI use two similar IR LEDs to send short RC code bursts without resistor without problems. If that#s your application then you should be fine. You may run into burned out LEDs, though, if the pin stays high for too long due to some issue.Do you absolutely need an LED or UV light for gelish/shellac nail polish?You would better use an LED or UV light for nail polish and the UV light will make your hands become black after you use for a long time and it will take more time if you use UV light ,so I suggest you use LED light. You can search led lights special for nail polish on website there will ba many kinds and you can choose oneHow do you like the Lg LED HX301G LG projector?First of all I have to say that I do not own one of these but I took a look at low budget LED before getting a standard lamp sourced projector. From what I understand, the HX301 can suit your needs but it has some serious drawbacks. It has quite a low resolution because a higher resolution LCD would block out too much light for the LED source to be useful. this means that image quality suffers because of both the low resolution and the low light output. None the less, if you can find a space that's dark enough, get a decent screen for it and do not care that much for high resolution movies people have achieved some very decent results. With the added benefit of functionally never needing to change any lamps. Check out some youtube videos for examples.Will LED lights ever be practical for home lighting?The guy who said they are a fire hazard was either a liar or an idiot. I have a mag flashlight with an LED. It is super bright. It's a blue shade of white though. Just like incandescent lights and fluorescent lights are a different shade of white, LEDs are yet another shade of white. It would be nice if the color could be changed, but even the way they are would be good for hallway lights and bathroom lights.Is it possible to increase CRI of LED lights/strips by using different ones together?OSRAM published an exhaustive document explaining the limitations of CRI and the case with deep red. It also describes the mixing of white LEDs with amber LEDs to obtain a high-CRI (including R9) light with high emission efficiency.http:/ pdf.Ohms law and LED driver efficiency? How can this possible be true?He's trying to sell you something that consumes > 30 W as a "30 W driver", whereas it actually can only supply less than 30 W. The ratio between power that goes in and goes out is called the efficiency. The difference in power in and out is simply converted to heat. You can upgrade your LED driver to a 2500W LED driver simply by putting it in parallel with a water heater of roughly 2470W, or any other resistor, for that matter. You can simply waste more energy.So, that's what we call a scam and that's why we only buy from reputable sources in jurisdictions where one can ultimately sue someone.As a personal note: Do not argue with someone who will be getting your money. Simply make "fulfill this or do not get the deal" statements. Make the requirements verifiable, as in "The driver has to deliver /$x/$ A at /$y/$ V with a ripple of less than /$/delta/$ V and without getting hotter than /$T/$ °C in continuous operation. These are my requirements, and I can only pay for equipment that fulfills these. ".Broken LED's on PS3 controller?As far as I remember, the LED unit is one piece, but you wo not really know what is broken unless you open your controller and look in there. You may be able to salvage the remaining LED's but I am not sure. Opening it and taking a look will be your best bet. If they are soldered to the board then, no; unless you can solder it yourself and do it that way. If it's a plug or wire or something like that, it should be simple. If it comes off, it should be able to go back on.Which tv is better for movie viewing experince LED OR PLASMA?LED is better by a long shot, here's why: - Superior picture quality, with a seamless refresh rate. - Cost Effective - Viewing 3D movies with an LED is so better - And of course, if your a gamer, you can enjoy that amazing virtual graphics that the PS4 is capable of much to fix an LED tv with a cracked screen?Just too bad . to replace the “ LED display display panel “ total cost is about 85 % of same screen size new LED TV. cracked screen = DISPLAY PANEL. cannot be repair-change parts . need to replace !! display panel sold as spare parts with out warranty. you take own risk after replace . get an new TV consider is much cheapest.Can an RGB LED reproduce the colours as we see on a PC monitor? [closed]Sounds like it -might- be working the way you need it to. What you are missing is a diffuser/combiner for the light coming from the LED. When you look directly at an RGB source that's not diffused you will see the individual colors. As for dark grey vs white, that's a matter of relative intensity (assuming everything's balanced).I've used ping-pong balls for diffusion- I am sure there are better solutions but that's what I had at the time. You could also try sanding the LED lens so it acts as a diffuser. If you let us know what you are trying to accomplish we might be able to come up with a more 'targeted' solution/suggestion for youIs LED lights really that wonderful?LED lighting uses approximately 10% of electricity than that of a standard light bulb. Energy efficient LED lighting creates less carbon emissions, which helps our environment as well as saving you money. :)Can I replace a Maximum Bulb Wattage (Watts) 25 halogen light bulb with 5w LED light bulb? Is it safe?When choosing lamps, as long as the actual wattage is below the rating of the fixture, you are safe. It does not matter that the fixture generates a lot of light with the watts it consumes. The equivalent wattage they talk about, like where they say this 3W LED has light output equivalent to a 15W halogen, does not matter when selecting lamps for a fixture. The 3W actual wattage determines how much heat it may generate, not the 15W equivalent light output. In fact it's likely that the LED is more efficient, with less of the electricity consumed turning into heat and more into light, but you can not count on that. Just go by the actual wattageWhy did my 9V battery die when hooked up to a simple LED light?Very undesirable theory or layout to skill unmarried LED with 9v cellular, 70% of cellular capacity develop into wasted into ineffective warmth. replace it with 2 AAA cells to make a 3v battery %.. placed one 30 ohm 1/2 watt resistor in sequence with LED shall gentle it up and extremely last 10 circumstances longer than 9V cellular.
LG 47" LED TV Won't Turn On?
Use your warranty it does sound like the geomagnetic problem. In future run it through a surge protector and in power cuts unplug before power returns as this is usually when damage occurs,1. Garbled text when using a 32in 1080p Sceptre LED TV as a computer monitorDownload CRU (Custom Resolution Utility) and change from "Default extension block" to "No extension block". Then, either reboot or run restart.exe/restart64.Note that you will lose audio with this method.I just picked up a similar Sceptre TV (E246BV-FHD) with the same issue.edit: I am using this method with an AMD video card and am noticing that my display settings are being reset on every reboot (monitor positions/orientations). I am looking into this now.If you are still using a nvidia card, look at the "Change resolution" section of the nvidia control panel. There should be "Ultra HD, HD, SD" resolutions as well as "PC" ones. If you can select 1920x1080 in the PC section, it should work without needing to use CRU. My PC section maxed out at 1680x1050 for some reason.You can try playing with the signal type, but it did not help for me. And those options are not present when in PC mode, so the colors are definitely off (not a big deal by itself, but it's noticeable in a multi-monitor setup). But that's for another day. At least everything is crystal clear now.edit2: I reset all the profiles, rebooted, set all the positions and orientations, then modified again with cru. It looks like there's some sort of switching happening on startup. All good now.2. Seniors: How often have you had to replace your LCD/LED TV since you purchased it?they are now so cheap . also to expensive to fix your one now , cheaper to buy a new one3. Which is the best 24 inch LED TV in India?If you search for prominent brand than SAMSUNG or LG is the best4. Why does our Sony LED TV suddenly turned green, blue and yellow?LCD panel may be broken.It is something that requires a service technician. However, before you spend money on a service call, I would recommend resetting the TV to factory settings because something it is also a temporary problem.1.Turn on the TV2.Point the remote at the TV, press and hold the up arrow button. 3. While holding the up arrow on the remote, press the power button on the TV.4.You will see the word reset on the TV screen and the TV will turn off and back on automatically.5.Allow the TV to turn on completely and the set up screen will appear. 6. Follow the steps to set up the TV. If the issue is still there, I recommend having a service evaluation.For more information: My TV screen is greenOur Sony Bravia 46 LCD tv is having color issues, colors are not correct5. Graphics card for 3 LED TV setup?You can get a current generation graphics card like a GTX 780 or Radeon HD 7970 you can power up to 4 displays6. does my new led tv got any damage from that?Should not affect the TV.....If it works now, all is well7. Can you really see the difference between 720P VS 1020P on a LED-TV for PS3?Yes and yes....umless you are less than 37". Plasma does not have 60/120/240/480/960/1920 hz, only cheaper technology like LCD does. You probably wont find a plasma smaller than50". Panasonic makes a 42" , but they are not in Walmart,Target or other 'junk tv 'places.8. Which LED TV should I choose for gaming: Samsung un32F5500AFXZA or the LG 32LN5310?Rule of Thumb: Buy what you can afford9. led tv power usage - 60 inch?The math is easy once you know your electrical power rate. In the U.S., 15 cents per kilowatt hour (kwh) is typical. You can find your rate on your monthly power bill. A 60 inch "LED" TV will draw something like 150 watts (see the link). At 150 watts per hour, it will take 6.67 hours to use 1000 watt-hours, or one kwh -- 15 cents. Divide that down and your cost is about two and a quarter cents per hour, $0.0225. So multiply that by 8 hours and your cost for the day is 18 cents. (You can adjust the math as necessary if your power rate is not 15 cents.) There's also a tiny cost when the set is "off." It's not really off, or else you could not turn it on with the remote. In the "off" (actually standby) state, the set draws one watt or less. Work the math on that and you have something like a dollar or two for the year if the set is in standby 16 hours per day. - - - - - Followup: I looked online at three LED sets 55 to 64 inches, and based on those specs, I would say the power consumption curve shown in the link is a bit high. 100 watts for a 60-inch LED set would be more like it, so that would trim the above daily costs even more.
Are LED TV's Good for Gaming?
plasma tv's are better for gaming due to they do NOT suffer from motion blur when playing fast action based games while some lcd (led) tv's do1. I have a samsung led tv 32 inches 120v .. will work in Peru such is 220v with a adaptor?attempt gaining access on your t.v's menues and see if there's a sport putting. if not attempt upgrading to HD cables for the console. and see if that facilitates. if not in simple terms bypass decrease back to the 23. ( you sport structures can actually have a putting for like 1080p and 720p attempt adjusting thoes)2. which webcam is better for a TV like Sharp 60 inch quattron LED TV?Skype Camera For Sharp Tv3. Why does my new LED tv only show picture in black and white with component cables?you either need to tune your TV or your colour picture thingy in your TV is broken. also your yellow connector might be loose or something. if it is still black and white after you have tuned it, please return it.4. Would it be possible to make an LED TV that works using yellow, cyan and magenta light instead of red, green and blue light?RGB are additive to give white light each can be represented with a rather narrow range of frequencies or even with lasers by a single frequency. CMY are subtractive C is minus red, M is minus green and Y is minus blue. Each "color" is a mix of the two remaining colors and can not be approximated by a narrow range of frequencies.5. My LED TV has fingerprints, how do I clean it?Using a dry cotton towel should remove the finger prints. But do follow the directions that came with the television. You could also use a micro fiber cleaning cloth that you would use to clean glasses to remove individual prints and not clean the entire screen.6. Question about the samsung led tv?well as long that you let it breath so it will not get hot it might matter also that you keep t away from any windows near the living room7. connect dvd player to led tv?the dish receiver takes up 3 yellow, 3 red, and 3 white? huge! I would call Dish and tell them you have upgraded to a HDtv and see about getting a box that supports HDMI. Then I would go to a big box store such as Walmart, Target, or Best Buy, and purchase a Blu-Ray it plays regular dvd's as well. If you dont wish to do this and just want to hook up your dvd player. .look at the back of the dvd player. .find the ports for component video red/green/blue. use that as your video for your dvd player to your tv. Check to see if your dvd player supports digital optical for audio. .and use that instead of red and white for audio8. Small black clouds forming on my 40 inch samsung LED TV?First go to the Samsung site and register your tv, that will give you three extra months of warranty. Then call them for service9. Using LG 32" LED TV as PC monitor?Lg 32 Monitor10. Unlock LED TV buttons without remote?On some modern smart TVs you can download an app for your phone that will pair with your tv over the wifi network and allow you to control it that way. This is true for my roku tv11. My led tv shows a ripple effect on bottom left side of screen... how to fix it... pls help?It's common on monitors and laptops google it,the fix is usually an exchange or new panel ripple effect has been aroubd a while with a few theories but try calling or email tech support especially if its a newer set12. LED TV screen divided in two?Keep the local dimming on13. PLASMA vs. LCD LED TV?Forget Plasma to many issues14. i have samsung series 46 inch led tv and a 1000 watt samsung bluray surround sound system for sale . how much?Depends on the TV and Blu-Ray model. Sell the TV anywhere from $900 to $1,300. Remember it used and not new. Sell cheaper than the stores. Sell the sound system for $350 to $600 Or do a bundle deal for $1,200 to $1,800
Most Frequently Asked Questions on Led Tv
Considering that led tv may still be new to many people, we provide ten common questions and answers about led tv for you to get started.1. How can I unlock LED TV buttons without remote controller (TIP: I locked the LED keys when remote controller was working)?Found this Samsung article on the web. It may work, for you; too ?Hope it really helps, have a better day !How to reset TV password to default? | Samsung Support Malaysia2. Which one a better LCD PLASMA LED TV?Led is your best. Plasma tv do not last long and lcd can look kinda goofy. Plus, once your plasma tv goes out, you have to pay more money just to have it taken away since you can just throw it away because it is hazardous liquid. Led is the way to go3. How to clean LCD/ led tv screens without paying 20 bucks for water gel specialized formula?A familiar question. See the link4. What type of tv? LCD? PLasma? Whats the difference and which one has the least problems?i am told that sizes up to 37 " recommend an lcd and above that plasma is better , but there are now LED tv,s about which i know nothing , so maybe one of them would suit ?5. Do I need DHMI cables on my new HD LED TV?This Site Might Help You. RE: Do I need DHMI cables on my new HD LED TV? Hi everyone! I have Comcast and subscribe to their HDTV. I just recently bought a 55" Toshiba HD LED TV. The problem is, the picture is no different on the HD channels than it is on the regular channels. I have checked all of the settings on the box using the Comcast Help feature and I...6. Can someone tell me a reasonable excuse for cracking a led tv screen, so that the warranty will cover it?just tell them it cracked for no reason at all. Its a manufacturers defect and when they investigate they will find that....unless your lying7. Samsung led tv questions?Any LCD or LED HDTV has a slow response time. Refresh rates of 120 hz. or more help the blur, but some also experience a 'lag' when using LCD/LED... Refresh rates can also mess up movie viewing unless turned off, especially with 24 FPS movies.8. Which is better, LED TV's or Plasma TV's?if you are going to be gaming alot with this tv i would recommend plasma if its just for general use i would go with the LED9. which led tv is better?The overall performance of the samsung is superior to the sharp. Now the sharp is a good tv. Your upgrade here is in size not quality. There is a reason that the 70" sharp is priced as low as it is. It does not compare to the samsund, it's not in the same class10. I bought a sony led tv, it has digital out, i need to plug in my speaker system to that with 3.5" jack?purchase the equipment, you will LOVE the diff additionally thinking feeding music on your new encompass sound sytem, obtainable with your television, out of your computing device! AND we are changing to HD purely broadcastds in Feb 09--->make confident new television is desperate up for that(((amd i would even insist it has a VGA jack, so which you would be able to feed movies out of your computing device to it too((ie, shop all your moviecollection on an exterior difficult stress, so which you would be able to easily leaf by using a menu, click on one and hit play, advance action picture! (and with encompass sound LIKE A THEATRE (advance advance) properly, a minimum of that's what i am doing-- i admire theory of having no actual cd's and dvd's to ought to shop and turn by using automatic storage enables me to apply seek and get prompt consequences and then i will circulate to wikipedia for each music cd I %. from my menu it fairly is basically a lot extra powerful to have your television like a huge distant computing device show screen out interior the front room--->area of it. and that i individually beleive surroundf sound is unbeatable for letting you pay attention a gunshot at the back of you, glass breaking in front of you, footsteps all around - you comprehend, that result's what 'encompass' is for . ..and IIIIIT's BEATIFUL yet this is me, and u ought to get use out of recent speakrs basically offered this is likewise large. So there you circulate! ;)
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Although we have not played or seen 3D movies on it, the picture is excellent. We do not have a 3D channel here and I do not have a 3D player yet so I cannot test it. It arrive a day before the estimated delivery date and we were glad to have it as our other HDTV, that we replaced it with, had just quit. hNUM-Lock LED state does not correspond with internal state after boot (15.04, 15.10)I am not sure about this, and it's not really a way to fix it but a hint where the problem might be:Around the time when I additionally installed xubuntu-desktop, the buggy misbehaviour of the NUM-Lock LED stopped. Probably something that got reconfigured or replaced during that process fixed the problem...So please, as this is still a bug that must get fixed, go on confirming the bug report -netbox wrote and linked in his answer above. Thanks!.can i connect an 1.2v LED bulb to a 1.5v D battery(in a battery holder)You will need to wire in a resistor, also. or else it will discharge battery too fast, or fry LED. a 1500 ohm resistor (1/4 watt) should be about right. just wire your parts in a loop, from plus side of battery, to minus. if it does not light, reverse wiringArduino LED flashes with one button pressThis is what you need. When you pressed the button then your LED turn ON. And it still ON until you pressed the button again.I hope it will help youLED vs CCFL backlight and power consumption?the power consumption difference is negligible but the quality in picture is absolutely noticeable. opt for LED every time.What are the relevant parameters for a reverse-biased LED light sensor?LEDs do have reverse capacitance and this is a real problem for some applications. I determined experimentally that the reverse capacitance on some blue diodes (notably in UPS front panels) can be as high as 300pF and very voltage dependent so they can indeed be used as varicaps if light shielded. This can be a source for interference if it causes regulator or output stage instability.Does putting in LED bulbs save on money?Yes. It will save about 4/5 of your electricity bill compared to incandescent lighting. If you have CFL lighting the saving is pretty small but the light is better.For a high quality £10 bulb (60W equivalent) it pays for itself in saved electricity in around 3300 hours at £0. 15 per unit. That's around 18 months in a living room. Mine are now 4 years old with no failures, so well up on the deal. For a cheap £1 bulb, that's 330 hours or about 2 months. So even if those cheap crappy LED bulbs need replacing twice a year they are still saving you twice their cost in electricity.The only place it does not save in the long run is for very occasionally used lights such as in cupboards and lofts. And then, only if you never forget to turn these lights off!.How to go about a motherboard's Addressable RGB LED limit?I do not recommend surpassing rated amperage limits on computer hardware. Any device that pulls power from some other source, (PSU or Fan Header) does not count towards that limit. Those LED headers on the MB are usually only used for the strips. You have 4 strips and that should be fine. Just use a different power source for the other componentsDriving blue LED with 3.3V using an op-ampA single transistor configured as a common emitter is enough to allow you to drive the LED from a Pi GPIO and using the Pi 5v line. Q1 can be any jellybean NPN part such as a 2N3904, 2N4401 etc.simulate this circuit - Schematic created using CircuitLab.LED parking lights 2003 Chevy Blazer?Rather than replace the whole assembly, why not just replace the bulb? I have a website link for replacing the incandescent bulbs with LEDs. Expensive little buggers but they do last and lastAre LED string fairy lights any good?LEDs will last longer and the color will probably be a little clearer! Go for it! :)Will a 110-220v to 12v converter work with a DC 12v 3w LED bulb? [closed]All you have to do is read the specs for the two things you show. The LED lamps require 12 V, so that matches. They are rated at 3 W, so the current is (3 W)/(12 V) = 250 mA. That power supply can put out 350 mA, so one of them can power one lamp with some margin. Again, this was all directly available in the data you linked toi want a black light effect out of an LED is there any available? and if so where can i locate them?there are tons of places online you can order them from, just search “Black Light LED's“ I dont know any common stores that would carry them regularly...although I once bought a black light led flashlight from a ***** sporting goods was by the fishing/outdoors stuffIf i have a pair of infared goggles and a flashlight with infrared LED'S ,could i see in the dark?Yes you could see in the dark with that setup. Since your infrared goggles would 'see' the infrared light and convert it for you to see. Most infrared goggles that are sold these days have an infrared LED built into them that you can turn on. I hear they do not like to use these in the military though because other people with infrared goggles can see you emitting the infrared light.Basic question about connecting LED to a breadboard?In the second case the LED is shorted. All pins in that row are connectedFinding the correct resistor for my LED?Most LEDs are spec would at 20mA, 30mA absolute maximum, so you need to decide how far over 20mA you are willing to go. Also, automotive systems typically run around 13.8V while the alternator is running, possibly reaching a maximum of 14.8V. You will see 12V when the battery is at rest for awhile. So frequently the resistor value used with 12V systems is 510 ohms. This will yield: 14.8V --> 23.3mA -->301mW 13.8V --> 21.4mA --> 254mW 12.0V --> 17.8mA --> 162mW I would select a 1/2 resistor (or parallel two 1K 1/4W resistors).Are Blue LED Bumper Lights on an Acura Integra illegal in VA?Visible blue lights are prohibited in all states except for emergency vehicles. Most cops in VA interpret add-on LED lights under the VA neon light laws, which require that they be turned off and covered at all times when the vehicle is operated on VA roadsWhy is Mercedes-Benz stopping the daytime running LED light bars on some of their new models?first it's not really “iconic“, MB did not start it, audi did, and LED strips are so cheap that anyone can go to a parts store and buy something similar and attach it to their car and get a *very* similar look. (it's not like HID lights when they first came out and were distinctive *and* expensive) MB will still have them, they are shaping them differently: on the next s-class they will go to that “angry eyebrow“ which audi started and it will be integrated into the headlight cluster as opposed to the outer bumper openings. (porsche is also another company which uses that same location, so MB is definitely not unique in that respect)Do you think that turning an LED into a small laser would be essential for large-scale chip applications?You can not "make an LED into a small laser". That's not how laser diodes are created. They do both rely on photo recombination but that's where the similarity ends.Right now we do not have any cogent or systematic ways to use light in current processors. It's still a matter of research but we are far away from engineering practice which comes long before commercial viabilityWhats the wattage on my fish tanks LED lights?LEDs arent measured in watts but rather in lumens, and i unfortunately dont have the answer of the amount of lumens. But now at least you can ask a new, more accurate questionHAVE WE BEEN BAMBOOZLED, HOODWINKED AND LED ASTRAY?hey man, floyd is everywhere. news, radio, and the web. there blogs, forums, videos, pictures, and they are all about floyd. people are insulting, cursing, and eve making fun of mayweather. i love technology, CAUSE OF THE WEB. PEOPLE FROM EVERY CORNER OF THE WORLD NOW KNOW WHAT KIND OF PERSON MAYWEATHER REALLY IS. A COWARD HE MAKES A LOT OF EXCUSES AND GOT NO BALLS TO STAND UP! AND CRAZY THING ABOUT IT, ITS JUST BEEN A WEEKCheapest place to buy LED bulbs for cars?Bought the LED bulbs from , they have the new Plasma led bulbs which are 300% more powerful than the standard halogen bulbs, use them in my fogs very happyI want to remove 3 LED's from a small circuit board. Need a bit of helpJust a touch of nail polish, preferably red, will completely cover the LEDs and since they do not produce heat there is no risk of overheatingHow to lower voltage and amp for LED lights?sizing a resistor requires precise information on LED current draw, and the voltage swing of the 12 volt source. this can be done without the resistor. connect pin 1 of a LM7805 to the “12 volt“ battery plus (must be DC) pin 2 to battery minus, pin 3 to cathode of silicon rectifier diode. the LM7805 will regulate the 12 volt source down to 5 volts precisely. the silicon diode (1n4004 for example) drops a half volt over a wide range of current draw, giving an output that is comparable to the 3 AAA batteries.Are LED Tv's worth the money?I agree with you. LEDs have their purposes, like if in bright rooms, or if you really want to keep power consumption down. But otherwise plasmas for large screen TVs just make much more sense. Their picture is stunning. They do not have motion blur or jaggies or whatever the hell you want to call them. They display dark scenes better, and they are quite a bit cheaper. I bought mine plasma 1 1/2 years ago, and it's a great display, but the ones out now are just fantastic for the money. Also, a little known fact, LCD screens damage much easier. My kid knocked out a bunch of pixels on or previous LCD screen by throwing a pacifier at it backhanded. I coulda killed him. But the Plasma that replaced it is even better.Making a phantom powered power switch (not mute switch) with LED indicatorsimulate this circuit - Schematic created using CircuitLabFigure 1. (a) What you want. (b) What you are considering using.You need a switch with two normally open (NO) contacts and one normally closed (NC).The switch you've chosen has only one contact and two terminals so I suspect that the LED common connection is through the body of the switch and requires mounting in a panel connected to negative. (That's usually easy on a car dashboard. )It is not suitable for your application. simulate this circuitFigure 2. The requirements can be met with a double-pole, double-throw, 2P2T, switch
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