Can I Hook Up a Led Strip to the Security Doorlight to Blink with the Alarm?

Just run wire from the door light to a LED resistor and then wire to the LEDs from the resistor

1. RGB Led strip connecting to pc.?

Hi Yes that should work but if it does not then try the reverse ie ground to the ground connection and 12V to the color.

2. controlling rgb led strip via spi and node js

A little bit of an old question, but for reference: I believe the lpd6803 is spi-like but needs the clock to continue to be send. The chips on your LED strip need the clock input for their PWM to work

3. can i wire to led strip lights to one rocker switch?

Yes you can but you will need to use a bosch relay to take the extra load, without this you will burn them up and cook the wiring

4. Raspberry Pi with 74HC14 connecting to LED strip (WS2812B)

which I can confirm works very well. Down below is an updated schematic:

5. High power LED strip power distribution

This is basically the right idea if you want individual "pixel" control of the LEDs. If the distance between the LEDs and controller is not huge (like they are actually pixels in a grid or somesuch), you should be able to use the I2C controllers to drive current controllers for each channel. Yeah that could be a fair bit of extra copper. If you are using the right type of constant current driver for the LED it should not expose the LED to a nasty voltage, but it would not be a horrible idea to check as LED efficiency is sensitive to instantaneous voltage.You will need 1.5khz PWM suitable current controllers between the voltage source and the LEDs anyway, and the purpose of these is to perform this voltage reduction. If you want, you can hard switch them to the PWM signal from the I2C controller, in which case you should have localized voltage drivers for each LED color to split up your potential 56A, which is not a horrible way to go(but requires greater confidence in your cooling solution if there is no current control, so current control is highly recommended) or inline resistors(yuk). This is easier to execute if the "pixel"s are physically close so you can group a bunch of greens, bunch of reds, bunch of blues, etc.Rather than running all of the channels at 700mA max, you should tune the RGB channels by running each or all 3 of RGB at 700mA and seeing which one is dimmest, then tune the other two down to that brightness as they likely wo not be perfectly matched at 700mA. This way in your software, 100% will really be 100% and you wo not have to worry about software tuning the brightness as much. You only have 256 brightness levels, so if you do too much tuning in software your color resolution will suffer.There are other ways to control LEDs too, but regardless of the method you choose, you will need to design your cooling solution to be able to shed 200W at full brightness without letting the LEDs become too hot. Erm... Unless you are really certain you need 150W of RGB light, you might want to consider ordering a few high power RGB LEDs and doing a mockup of a single pixel to confirm that brightness level(and therefore thermal design) is really necessary. This would also give you a chance to get the I2C driver, the current controller and the LED as close together as possible and use an EMI tester if you want

6. How to animate a LED Strip via wifi? [closed]

Ignacio's comment, "Start with something. Worry about making it efficient after you've figured out how to make it at all", is good advice.Note, to make the transition from one keyframe to another more efficient, use a variant of the Bresenham algorithm. This allows use of fast integer arithmetic and is intrinsically accurate. Instead of error accumulating and getting steadily worse (as will happen if you add constant increments), the Bresenham algorithm tracks error and minimizes it. See, for example, "Simplified Bresenham's line algorithm: What does it exactly do?".This edit addresses Paul's question about accumulating error:There can be several sources of error, including accumulation of round-off error; arithmetic overflow errors; time-base errors; and silly errors [it's always easier to poke holes in other people's code!]. To illustrate those error sources and a possible solution, consider the following code snippet:First, consider currentRed = deltaRed/step expression in line 9. In the first loop pass it adds an undefined quantity, deltaRed/0, to nowRed; in the next, it adds deltaRed/1 to nowRed; then deltaRed/2; and so forth.Line 10 corrects the silly error of dividing by step instead of nSteps. But there can be significant accumulation of round-off error. For example, if deltaGreen is 199 and nSteps is 100, it repeatedly adds 1 instead of 1.99, and ends up with the Green level 99 counts short of being correct. Line 11 attempts to compensate for that problem by adding a step-proportional amount of deltaBlue to startBlue at each step. However, due to the parenthesized order of arithmetic it has exactly the same round-off error problem as line 10 - it adds exactly one unit per step for my example numbers. To try to avoid this problem, one might write (deltaBlue*step)/amountOfSteps in place of (deltaBlue/amountOfSteps)*step. This will do accurate arithmetic except can easily overflow an int so should perhaps be written instead as (deltaBlue*(long int)step)/amountOfSteps.Even if line 11 is rewritten to avoid truncation, round-off, and overflow errors, it still is subject to time-base errors. Like the color numbers, the delay() parameter msPerStep is subject to accumulation of round-off errors. During the for loop, several hundred milliseconds of error could accumulate, leading to mismatched or jittery color levels. To avoid that error, instead measure elapsed time (as in line 13) and make color levels proportional to elapsed time (as in line 14). In addition, one probably should change the for loop to a do . .. while (elapsed

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Multiple Buttons Activating Different Methods for an LED Strip
Inside each inner loop, just test the switches and return if they are that does not help please explain the nature of this "trouble".You may need to debounce the switch presses. And you may need to wait for them to release the switch, eg1. Push button to make a LED strip pulse?NO ! Unless to design one2. what does a transformer actually do for a LED strip light?Provides the correct voltage3. RGB LED strip, powered by an ATX PSU and controlled by PWM, makes my speakers buzz with Arduino connected by USBPlease use an opto-isolated device to trigger or replace the FETs and share your results.This will isolate the (ATX1 FET LED) circuit from the (ATX2 Arduino speakers) circuit.Edit: The power supplies are SMPS operating at different frequencies. You have tied their grounds together and are grounding signals from one through the other. The speakers' V- (ATX1 ATX2) is fluctuating at a different frequency than its V (ATX2 only) so, you hear noise. You may have overlooked that the monitor is grounded through it's own power cable and ATX2 (via the video cable).4. 24V supply run 12V 3014 LED strip in series; help with resistors for seriesSorry, but it is too hard to read your very long text. Using resistors to regulate current for a strip is a waste of time and power and will generate a lot of heat.If you have 12 V LEDs then use a 12 V power supply. If you have a 24 V DC supply then you need a voltage regulator to drop the voltage to 12 V. A buck converter would be the most efficient way5. Why constant current led strip can be 20meters?it have constant currecnt ic,so,can keep the current do not change,so,same brightness from start to the end? i know Starwire can make 10 20 30 50 meters/roll,Michael Chan who send the constant current information with facebook.Why constant current led strip can be 20meters?6. How to use a digital RGB LED Strip?As far as I understand the DAT (Green wire) is a digital data wire. Try the following: 1. VCC to 5V pin 2. GND to GND pin 3. DAT to 2 Digital pin.Then try to change the state of the 2 digital pin from high to low and see if anything happens... That's what I would start out with.7. Am I using the right resistors with these MOSFETs for an ESP8266 controlled LED strip?If you are using mosfets you can get rid of those 220ohm resistors. And if you are sure that your ESP outputs always are going to have a determinated logic state (0 or 1) even you can delete the 10k pulldown resistors. Remember that fet transistors does not require current but voltage.8. How to secure flimsy wires from RGB LED strip in Arduino Uno breadboard?If you really want to avoid soldering, you can use terminal blocks like these to connect stranded wires to a breadboard...They are cheap and widely available. Alternately, you also just get some 22 gauge solid (non-stranded) wire or breadboard jumper wire, strip one end and twist the stranded lead onto it. Cover the joint with some electrical tape, and you now have something with a nice end to stick into the breadboard.9. Help choosing a transistor to drive an LED strip from a Raspberry PiYou can go for any Logic Level Mosfets (I usually go for N-channel) to control such high-powered loads such as the LED strip that you were stating.Google any Logic Level N-Channel Mosfets that are available in your place. They usually have "L" in them e.g. IRL540, IRL2203N, etc. Check their datasheet to know how much current they can handle and parallel them accordingly. Note: the L in the circuit I posted is connected to your RPi or any microcontroller10. question about led strip to home power?LED strips use 12 V, which means you need a step-down transformer and a DC supply. I suggest showing to an electrician, before use. He/she will easily check and let you know. *it is also possibly designed for the mains, but that is not recommended for a fish tank at that high voltage, directly.
What Will Happen If I Draw More Amps Than the Supply Is Rated for [LED Strip Draws 12VDC 6A(max)] &
What will happen depends on the type and quality of the power supply.The worst case scenario with a cheap and poorly designed PSU is that it will overheat and catch fire. Most likely, the secondary coil of the transformer will melt and lose its ability to deliver the current altogether. You will probably get a lot of ripple in the secondary voltage as the capacitors are not capable of keeping up with the load.A safely built power supply will have a fuse that will blow as the current hits levels the PSU is not designed for and you will have to open up the PSU to replace the fuse that is not user-replaceable. Some PSUs have user replaceable fuses but most of them do not . The fuse is soldered directly on the PCB.A better quality PSU will have an overload protection circuitry that will shut it down completely until you remove the load and are boot' the PSU1. How to drive LED strip on 240V ac supply?The long way around Go to radio shack... ETC. and get yourself a 240 v to 12 volt ac transformer (25 Ma.Etc.) They should also have a 10 amp full wave bridge (Rectifier) Feed the 12 volt ac to the bridge.2. How to control cold to hot (blue to red gradient) RBG LED strip/bulb with a rotary encoder? [closed]Well as I understand you want to use a rotary encoder ? Rotary encoder can turn freely. Which you can read via arduino easily with a library. You can count a number(let's say x) from 0 up to 255, and write that number to one of the color. For the other color write 255-x so when blue is fading down the red is increasing. But I suggest you to use a potentiometer which has a limited turn (about 270 degrees). Connect it to arduino's one of the analog read pins. It will give you a 10 bit value which is between 0-1023 . You can scale this down to 0-255 range with map function. [Example: "x = map(x,0,1023,0,255);" ] after that just follow the same process as before.3. Car LED strip connected to interior Dome Light?the extra voltage threw the dimmer switch will burn out the switch prematurely therefore must also install a relay4. Arduino led strip mosfets irfz44n [closed]Regarding current.let through about 9 amps9 Amp is the maximum current the MOSFET can handle at that VGS without becoming to hot and break down and fail. If your LED consumes 5 Amp then you are below the maximum limit of 9 Amp = OK!5. Want to control 30V LED strip with a microcontroller, any help or ideas?My favourite way of doing things like this is with the good old ULN2803. It's such a simple chip to use, and you can use it to switch high voltage and current, and even inductive loads.It's available in DIL and SOIC packages6. 3.3v regulator problem when sharing power source with LED stripyou neglected the ABS.MAX.SPECS. in the datasheet, and by a huge margin. You were also concerned why there might be so much ripple in the 12V from a 4A supply from only one 5m reel of stripLEDs. Speculation: Assuming typ. RGB 0.6 Amps/m ...*5m = 3A... * 12V=36W. If it was a linear R load , R= 12V/3A=4 but it's not. If the current rises linearly from 9 to 12V then it is 3V/3A = 1 due to all the series shunt current limiting resistors.7. Level shifter for WS2811 led stripthanks all for your answers.I managed to fix the problem just by grounding all unused inputs. I also re-soldered everything so maybe there was a faulty one and I also used only 1 ground pin of the ESP.If I have time I will try to do more tests in order to add more details to this answer.8. Can I use a USB connector/plug for RGB Led StripUSB 2.0 Spec dictates 0. 2.5W with. Typically, you can find PCS that provide about 1 Amp or 5W regardless of enumeration. Dedicated usb supplies may provide 10.2 Watts for iPad standard charging rate. So no, your target is unrealistic. This is before we even get into switching regulator efficiency losses of 80%
Risks of Powering Short LED Strip Directly From GPIO
There are separate issues at work here:0) The individual LEDs of WS28x LED strips are enabled by an on-board control circuit. This way the LEDs themselves are technically not directly connected to the GPIO pins. The current limit of GPIO pins is therefore not a problem. Power and data lines are separate. 1) The LED strip - to be technically correct - is therefore not powered but controlled by the GPIO pins. However if the LED strip is connected to the power pins on the 40 pin GPIO header all the current the LEDs require needs to be routed through the traces on the Pi's. 30 LEDs with 50 mA each amounts to 1.5 A in total. That should be in the realm of the possible. The max amperage of header pins is listed with 1 through 3 A (depending on which product you look) and the current rating of the Pi's 5V header pin is about 2.5 A, see Raspberry Pi Power Limitations with the caveat that the Pi Zero got no Poly-fuse; still I would argue that it is safe to assume a current carrying capacity in the same range anyways. See also: Powering WS2812B LED strip from Pi brownoutsthe LEDs are susceptible to voltage drop caused by changing CPU usage. I would not expect that to happen, unless the power supply itself cannot provide the current. According to Raspberry Pi 3 vs Pi 2 power consumption and heat dissipation we would expect a change from 0.1 A (idle) to 0.25 A (under load), add another 70 mA if WiFi changes from inactive to active, see Power consumption of Pi Zero W?. So the change is quite small compared to the LEDs' current.Best bet is to check the power supply's capacity and the wiring from the supply to the Pi (many questions here deal with low quality and low cross section USB cables).2) It is noteworthy that the WS28x have 5 V logic levels. This WS2812B datasheet list 0.7 * VDD as minimum high level. With VDD 5 V that's 3.5 V which is higher than the Pi's maximum high output level of 3.3 V (let alone its specified minimum high output level). The use of a 3.3V to 5V logic level converter is highly adviseable.See also: Powering up a WS2812 led strip with different power suppliesI am trying to understand the simplest ways to power a short LED strip of 30 WS281x lights.Most of the instructions Ive found mention using a separate power supply for the LEDs, but is it possible to simply use the GPIO outputs for power, data and ground? Im working with an RPi Zero W.With a limited number of LEDs, I wonder if this becomes a viable option, but I would like to understand the trade-offs.My question is sparked by flickering Ive been seeing when trying to render colors with the LEDs soldered to the RPi Zero W.I have a suspicion that because Im attaching the LEDs directly to the GPIO, the LEDs are susceptible to voltage drop caused by changing CPU usage.
How to Blink 2 Led Strips Without Delay
Very simple. It takes only 3 steps.edit: since you seem to be struggling, here is one (of countless) way(s) to do #1 above.the heart of this is NB_run() -> it executes func_ptr() once the set time has been reached. otherwise, it returns without doing anything, as shown in the example below. D13 is blinked constantly in the main loop, while D12 is blinked based on LED_DLY, in a non-blocking fashion.I purposely wrote NB_run() so that it needs additional "parameterization" to run multiple tasks - what you have here is the basis of a generic framework for a rudimentary pseudo multi-tasker. it is not difficult at all for you to extend the code to run 2 stripes. good luck. edit2: it was pointed out to me, quite correctly, that something like this can be done via rtos. true, but a typical rtos has lots of overhead and requires a more substantial hardware to exception is macro-based rtos, like protothread. in that particular implementation, you will see that there is little gain in terms of code complexity, but some is an implementation of running two tasks concurrently via protothread, only code for one task is shown, can see that it retains largely the code structure presented earlier. here is the outcome of that code, blinking D12/D13 at different rates1. Wiring 6 LED strips under my golf cart?i could so ratherchronic a pass-cart during the streets as a rule because of the fact it truly is a few distance cooler than an glof cart. additionally how could intend to be certain that there is gasoline interior the pass-cart or the golf-cart earlier you pass driving down the line or you will would desire to push it back2. how to tie in led strips to subs so that they strope when bass hits?Do not wire them directly to the speakers, that will burn them up. LED's use very low power. Some are as high as 5W but most are .5 watt and they only take a volt or two to run. This is why they are controlled through microprocessors. They cannot even take the voltage from a flashlight battery. You must order/build some type of electronic controller3. LED strips controlled by SN3218Here is a schematic from this web page which shows a TTL to 12 volt inverting switch.If the SN3218 outputs are open collector you should add pull up resistors at the SN3218 output pins4. i have 10 led strips what would be the best way to power them?You can get a 12-volt lantern battery and wire the lights directly to that. Those batteries are big so should last you many, many hours of backpacking. The sources below have a link to an example online for they should be available in hardware stores, Walmart, and similar stores. A lighter but much shorter lived power source would be to use 8 AA batteries in series to get 12 volts, but those may only last an hour or two. Hope this helps!5. How many of these LED strips should I install. 2 or 3? Ecoxotic Panorama Pro 12K?they are pretty decent for conversion. I would wait and see how everything goes with just two6. Can you power LED strips from both ends?You can inject power anwhere you need to, but that's only 2 of the 4 wires involved. The data circuit (the other 2 wires) does not work the same way. It's fairly common in large installations to treat power and data separately due to voltage drop and the need for multiple power supplies, you must plan carefully. You can not supply power from 2 power supplies to the same strip as your diagram suggests you might be wanting to do. There is much much more that can be learned on this topic. I would suggest starting at this tutorial over at Adafruit. It describes several possibilities that may apply to your situation7. When you put a switch in your car to turn on your LED strips, how do you know what amp fuse to place?They will have a ma rating, add them all up. I would not think more then a 5 amp fuse unless you drive a Xmas tree
LED Strip, One Wire Is Red Other Is Black, Which One Should I Connect to Ve & Which One to -ve Termi
you do not choose any added diode. restoration the strip of leds have been u choose them and only run the (-) twine to rear easy wiring loom, splice the earth twine and twist em at the same time accompanied via electric powered tape to wrap up. desire it could help u1. Can a remote be replaced with the original LED strip remote controller?It's highly unlikely. You should try it before you buy it2. How to use a digital RGB LED Strip?I had the same issue, in every example you see wiring diagrams with 3 wires, and my ledstrip had 5 wires, but it seems the two red wires (5v) are connected and the two white wires (gnd) are connected to eachother, so basicly you have 3 wires like in every wiring diagrams what is out there3. Controlling a digital 12V addressable RGB led strip with Arduino?The only signal you need to worry about is DIN (data in) which is normally 5V from an Arduino. Use that to switch a MOSFET or transistor to convert the digital pulses to 12V. In other words, the Arduino switches the transistor, the transistor outputs 0 or 12 V. Judging by this link you still just send 5V digital switching to the strip.In other words, connect the "power" pin to 12V, and the ground pin to Gnd from your power supply.Connect the Din (data in) to your Arduino pin directly. Of course, also connect the Arduino ground to the ground pin.Also see this Youtube video. On the comments he says:4. Powering 3.3v-5V LED strip with 18650 batteriesI've done similar using a cheap ($3) "USB power bank module". These are designed to provide a constant 5 volts from an 18650 battery. I bought some with "134N3P program" which protect the battery by dropping out when the battery voltage goes down to 3. 7v. You can even buy these things in an empty case to put your 18650 batteries in5. How would I convert an LED strip to run off of battery power?You want something like a 12V SLA battery. I have a 12V 6Ah SLA battery, it is "bicycle sized" and might run it for a few hours. You can get other capacities that are not a lot larger. A23 type batteries supply nearly no current (they are for remote transmitters and such). For what it would take you to get enough A23s and holders to even light those LEDs, you can just get an SLA battery. You will need to get a charger specially for it though. Just rig up a cord with a fuseholder and 5A fuse, with a tip wired to the same polarity as the adapter, ideally in a weatherproof case to hold battery and controller board.6. Controlling color (and brightness) of RGB LED strip using one potentiometerWhile I agree in every sentence of transistor's answer, and consider it the best answer you could make (and I could not upvote it enough), the comment "I agree that analog takes more head scratching and I started to doodle but realised that it got complicated very quickly ..." sounded like a challenge.So here we go. Requiring only a quad-opamp chip and some passives ! Runs from a 7-32V supply (well, I think - maybe a few resistors needs to be adjusted). All three leds are driven with a current that looks like the "Alternative cross-fade strategy for even brightness" curve above (love those diagrams, really). Well, I would not explain in details how it works (I just give a few hints at the end), because I mostly used the "make up some values, simulate, adjust, simulate, add a diode, simulate, drink a beer, simulate, start again from scratch..." strategy, and did not write a single formula, so I can not justify everything that is here (and it can certainly be improved). Morover, I totally agree with what has been said: this is not the way it should be done; using a MCU gives a lot more flexibility, accuracy, efficiency, and will make a smaller design. But it's fun. Here is the circuit:simulate this circuit - Schematic created using CircuitLabHere are the current curves (well, upside down), depending on the pot position (current has been set to 15mA per led, it can be adjusted by changing R5/R10/R24, but R5 and R10 must have the same value, or you will need to change the ratio between R16/R17 as well):A few hints on how it works, though.Neat, huh ?Of course, for a whole led strip, the voltage will certainly need to be a lot higher, and power consumption will start to be a problem. But this circuit could be used to drive higher power current sources with better efficiency (unfortunately, OP did not give enough information to build this part - well, this question had been originally closed for a reason).
How to Install Led Strip Lighting
LED strip lighting is an effective lighting solution for both homes and businesses. It can be installed easily either for temporary holiday lighting or for permanent display purposes. It is a perfect solution for under-cabinet lighting in kitchens, and the various coloured options offer plenty of fun decorative lighting possibilities.Basically LED strip lighting comes as a tape or ribbon with LEDs along the length of it. It can be cut at certain points into the lengths you require. As the backing is flexible it can be used on curves as well as straight edges and because it is very thin it can easily be concealed to give subtle lighting in recesses and display cases.Most LED strip lighting comes with double-sided adhesive tape on the back for easy attachment without messy adhesives. Here is a quick guide to demonstrate how easy it is to install your own LED strip lighting.1. The most important step of all - decide exactly where you want to place your LED lights for best effect. LED strips are easy to install, but you don't want to keep changing your mind after installation, or it could end up getting messy. If in doubt, connect up a short strip without actually sticking it in place, to test out how the light will fall in the various positions you are considering.2. Measure, measure, measure. The old saying 'measure twice, cut once' applies to LED strip lighting too. The tape has marked points along it, where it is safe to cut. You may not be able to get the exact length you have measured for the space, but work out the nearest length that will fit the space according to the cutting marks.3. Double check the measurements one last time, before you cut the ribbon into the strips you want. Only ever cut at the specified cutting marks along the tape. Lay out the cut strips carefully so you won't get different lengths confused.4. Make sure that the surface you are mounting the LED strips to is clean and dry. Peel off the vinyl backing to the adhesive strip. Press the strip firmly in place in its planned position.5. Connect the strips to your power source, which will either be an LED driver or a simple power cord. Switch on the lights!The only danger is that once you see how easy it is to install your LED strip lighting, you will keep finding new places to use it in your home or business, until your whole space is lit up like a Christmas tree!
Buying Guide of LED Strip Lights
Several factors are taken into account while choosing the right kind of LED lights for your interiors.Read this buying guide to know what exactly comes into play while buying LED strip lights. The growing popularity of LED strip lights as decor element is not just for their versatile design options, but also for their optimum energy-efficient features. Professional designers say that such LEDs are a creative addition toany setting, whether it's residential, commercial orindustrial. From accentuating the look and feel of your interiors, colourful LED strips can instantly brighten up any bland space. But, getting the LED strips from the market and installing it in yourdesired space is not as easy as it seems.In fact, identifying a quality product is not at allstraightforward.Several factors come into play to influence your buying decisions.Here's what, the buyers need to check before purchasing the right product. LED strips are categorised into two different types- cove lights and rope lights. Cove Lights- Cove strip lights are available witha flexible circuit board. These densely populated strips are easy to install and come with a strong 'peel-and-stick' adhesive backing, so that they canbeeffectively used at all platforms. Rope Light- Rope Lights are omni-directional LEDs and are available in standard rope light packaging. The Brightness of the Strips The lightoutput of the LED strips is brighter than the traditional incandescent due to the difference in Lumen count. However, you can even get the lumen count customised depending on the kind of usage. For example, strips with 200 lumens per foot are ideal for accent lighting and when you want the strips to emit bright light, opt for the ones withhigh lumen count. So, whilebuying the strips, consider the length of lumens and check the quality of light. The Colour of the LED Strips While the LED strips come in both single and multi-colour (RGB) options, you need to consider the usage before buying it. The single colour LED strips (which is available with lots of colour options)are less expensive thantheRGBor multicolour alternatives.But, if you are opting formulti-colour variety,there arecolour options like warm white, cool white, red, blue and green. While buying strip lights for indoor application, you should also have anidea how to mount them and setthem up. For that, youneed to considerthe easeof installationof the same.Remember, the ones come with"peel and stick" features areeasy to use, but, if you want to mount it in the ceiling, you might need to cut the strips and wire them together. So, here are few considerations that come into play. The length of each stripand thetotal number of strips required. The power and voltage requirements of the strips. Consider wattage per length of the strip before buying it.This way, it would be easier to figure out the total wattage depending on the number oflinear feet of strips you require. Finding total wattage will also help you knowthe amount of electricity consumed for your new set up. LED Strips arerapidly becoming a preferred choice as a decor element due to their versatility and ease of use.After theprice of concealed lights has reduced in India, the demand for strip lights has increased significantly.But, before you invest in buying one, do consider the factors mentioned aboveto make aninformed decision.1. Which addressable RGB LED strips are beginner friendly and Raspberry Pi friendly?It took some hours and searching through multiple forums, but it seems I have now gathered some crucial information. Maybe someone else will find it useful. Feel free to correct this answer if I am wrong or if something important is missing.So, the chips and strips I mentioned in my question can be categorized in two types:So, I would say for now my choice would be APA102, unless someone finds a serious reason to pick some other option instead.2. i have 10 led strips what would be the best way to power them?You can get a 12-volt lantern battery and wire the lights directly to that. Those batteries are big so should last you many, many hours of backpacking. The sources below have a link to an example online for they should be available in hardware stores, Walmart, and similar stores. A lighter but much shorter lived power source would be to use 8 AA batteries in series to get 12 volts, but those may only last an hour or two. Hope this helps!3. Is it important that power supplies for LED strips have limited current?Watts/meter x length (m) = watts required. If you cut it shorter, it will only pull what it needs. you wo not run into a problem making shorter strips, but you could run into trouble making longer strips and drawing too much current.
Any Ideas for a Low Risk, High Profit Business Startup?
Make stuff into stuff. I had a crappy old end table that was made of real wood and the handles came off and it needed a real purpose then to sit in my garage. I fixed it up with my brother by putting a fresh coat of primer on it and made it look good again. Then I thought, why should I waste my time with making it exactly what it was? I perma-glued the door shut. On the bottom I replaced the wood with venting. On the sides I have underglow LEDS. It was a high end gaming computer. Why stop there? I put an indent in the top and it can hold 12 coke cans or any soda can...and it helps to cool my systems since cold lowers and heat rises. Then, I added plexy glass and added LED Fans and added LED strips along the sides. The plexy glass was added to 3 of the 6 sides so you could view it nice. Over all, the cost was about $5,000 and I sold it for $10,000.....1st build most likely my best. :P Anyway, just find something your good at. Thats all. (It was sold at an auction center.)1. Is there any other type of lighting that can replace a normal Neon light?It really depends on the light levels you are trying to achieve across the surface area.If you wish a subtle wash or to accentuate key areas where you maybe hanging pictures .? 1.An led strip run along the wall can be fixed running with one colour for high output cool or warm white or you may use an 2.RGB strip with a controller to wash the wall with any colour you choose. Led strips come in either flexible format or fixed format ie (rigid bar) 3.An led wall washer is another option these have higher output than led strips and come in long thin rectangular format .Again you have the option of a single color or RGB multiple colour format. 4.Led tubes replace fluro tubes .These are more expensive but use half the power and last 3-5 times longer2. Under Dash Foot Area LED Strip Light Installation GuideInstallation DIY Guide For LED Strip Lights For Foot Area Under Dash Lights You can find this product under JDM Slim Ultra Blue/Xenon White/Brilliant Red 24 inches 30LED Flexible LED Strip Lights for interior, under door or floor lighting (50-060). Tools needed: 1. Cross screw driver (Remove any panels but not really necessary) 2. Wire Cutters 3. Wire clothes hanger 4. Wrench Supplies: 1. LED strips 2. Electrical wire 3. Electrical tape 4. Wire connectors 5. On/Off Switch (optional) 6. 3m double sided tape (optional) 7. Fuse (optional) 8. Fuse Holder (optional) Step 1: Open up the cover that way in the back behind the gas and break pedals. Step 2: Use the wire clothes hanger take it apart and wrap the LED strip electric wires around it so it can push the wire up thought the hole and reach it near the battery. Make sure to leave enough slack on the other end in order to have enough room to work with. Step 3: Connect the fuse holder to the positive side of the battery by unscrewing the nut on the battery. Step 4: Put one of the wires from the fuse holder into a wire connector and put the connector around the bolt like this: Step 5: Plugged in the fuse holder, use a wire to wire connector and connect the wire that brought up through the firewall hole and connect it to the other end of the fuse holder. Step 6: Mount the LED strips underneath the dash on both the drivers side and passengers side to the desired positions using the back 3M tapes. Step 7: Run two separate pieces of wire from the drivers side to the passengers side. These will be connected to the positive and negative wires of the LED strip on the passenger side. Again do not forget which wire is the positive and which is the negative. Step 8: Run the wires through from the passenger side to the drivers side connect the negative and positive wires from the LED strip on the passenger side to the wires you just ran through.3. 12 volts outlets in trucks?im not sure what you mean but your cigarette lighter and power outlet are both 12 volt outlets. if you tell me what you where wanting to do i could give you guidance. i have done just about everything from running pa systems to running led strips in a truck through the outlets.
Big Voltage Drop Across MOSFET with LED Strip Load
You need a logic-level MOSFET rated for 1. What should I know to choose the suitable led strip light?there are too many adavantages to use led strip light for decorating in house or out house. as to the points you need to know or to ask to the supplier as below: a. color, red, green, blue, amble, white, or other color b. waterproof or un-waterproof, c. work voltage dc12v or dc24v or ac12v. current, e. power comsupton. f. led type & qty. hope these infomation can help you to find the suitable smd led flexible strip light.2. 5v 10amp powering arduino and LED stripMy understanding is that the arduino and components plugged into the arduino will only draw as much amps as they need.Your understanding is correct. You can go ahead with your plan.I am not sure what you mean when you say that connecting the Arduino to the power supply with an USB cable and connecting it with wires are two different options. Either way you are connecting the Arduino to the power supply. You can read more details in this reference question here on Stack Exchange: Choosing power supply, how to get the voltage and current ratings?3. Can I connect up LED strip lighting at alternate ends?Beside the connectors perhaps not fitting together, you should be fine. LEDs will only pass current in one direction, so you wo not blow them up. And since they are not digital/addressable, there is no danger of reverse biasing the controller ICs or miswiring inputs and outputs.4. How many amps does a 12v LED strip draw?Each strip should be rated in either wattage or current at 12 volts. You need to provide this rating in order to figure out the current draw. For instance, if each strip is rated at 48 watts, then the total draw of each strip would be: 48W / 12V = 4 amps. Then, if strips are connected in parallel, the amps would be additive, so total amps would be 4 amps/strip x 4 strips = 16 amps.5. Push button to make a LED strip pulse?NO ! Unless to design one6. Powering 17 meters of RGB LED strip - Worried about voltage drop and wire sizeI am going to be wiring the rows up snake style and dual feeding to keep brightness consistent across the array.If Dual Feeding is what I think it means, you already know what to do.Feed the 5v to each 106cm section individually or in pairs. Do not chain the power through the entire 17m length. Sure, this means 8 or 16 sets of 5v and Gnd cables, but with each only carrying 2A or 4A over a small length, heat/current/resistance issues go away. Same reason you only see 18 AWG wire in ATX Power Supplies. Instead of a single 10AWG 12v Cable, it uses 8 or 12 18AWG wires to carry the same current. You would keep the data cable the same. Just make sure to tie the grounds together.Actually, pretty much how the datasheet for the Sparkfun item you linked to already has it, for a snake layout. For 1M strips (106cm = 1.06M) the voltage drop would be insignificant.7. Raspberry Pi with 74HC14 connecting to LED strip (WS2812B)I use these light strips all the time. You can power them from the 5v source and used the data line directly from the MCU to drive them. They should work fine. The 3.3v from your MCU is above the logic level '1' for the leds, which is all it needs. The only precaution is to NOT supply a data line that is OVER the supply voltage to the leds. Meaning you can not power them with 3. 3v and run the data line from a 5v MCU. As a side note, I have found that these light strips will work fine off a 1S LiPo battery without a regulator down to about 3.2 volts, at which point they will stop working. This means you can feed the battery directly to the lights, and then run the battery though a regulator to power your project with 3. 3v and connect the MCU data line directly to the lights. That way you can get the maximum current to the lights without worrying about power dissipation from a regulator.Hope this helps some out
Do Rgb Led Strips Do Ultraviolet Light?
The blue element may emit some UV light that can excite fluorescent materials. If you want strong UV, you need dedicated UV LEDs.1. Hiding or covering annoying LED lights on computer and accessoriesI know these two tricks - one of them to cover any light, and the other to turn off the motherboard lights, specifically. Yes, nail polish. Just grab one with a dark color (black, deep blue, or alike), and put a little over the LED... That will probably dim the light a bit, but if you keep adding layers over layers of nail polish, you can completely turn it off after 3-4 polish applications. The good thing about it is that is super easy to apply, it dries out really quick, and you can remove it later using nail polish remover. If you are lucky, there might be an option in your motherboard's BIOS settings to turn off the LEDs. I know it depends on the manufacturer to put those options in there, but I think it's worth a shot to check the settings and find out. Some examples out there: How do I remove/stop an LED on the motherboard?, New motherboard, led lights always on, Turning off the onboard LEDs2. Help, which of these led zeppelin tshirts is better?In contrast to your first 2 replies, I would go with the other one. Love the typography and the monochrome. It's just Led Zep all over. Rock n roll!3. If you hate led zeppelinI do not hate them. I never actually listened listened to them so i can not really give out my opinion. I like Chevelle though, if its any close to zep :P4. How can a power a single led with a power supply?You will still need a resistor to limit the current as an LED is only rated for about 10 milliAmps (10mA). So if you have 3V and need 10mA the resistor is 3.0 / 0.010 = 300 ohms. If you use 15mA the resistor is 200 ohms, but will be brighter than with 300 ohms. If you really want a low intensity use 600 ohms to get 5mA5. What led to the downfall of Osho?before answering this question i would like to ask a question what is death? it can not be performed in a laboratories and same is truth about life ? Now coming to your answer death takes birth when one is born . so there are different stages in life. origin and demise are the two stages and in between these two there numbers of stages. without further illustration directly coming to point Osho is still very popular among the well read people who have come up off religion, caste , creed. No one can understand a person without knowing someone . so its better to understand osho without the hearing half baked informations.Just go through osho you will get your answer ....6. What is the difference between a 16-feet LED strip and a 32 feet LED strip?One is twice as long as the other. 16 times 2 equals 327. Oooo LED: 1080 or 720?Get the LG 32" because the 1080p is the picture quality and it is the best picture quality8. What circumstances led to rise the Hitler?A rise in nationalism and antisemitism and anti-bolshevism. Shame about losing the war. Demands of the Allies for crippling reparations payments. The ensuing bankruptcy of the German currency. Inability of the Weimar Republic to properly check the rise of extremist groups and halt their violence. Complete disillusionment with democratic processes and the people wanting a strong dictator.I am sure there are more, but these I think are the main reasons.9. LED lights for my wedding?Try saveoncrafts.com10. Can a SMPS LED driver glow 6 Watt LED bulb and same Driver is able to glow 0.5 Watt LED?Always put LEDs in series as a golden rule. Putting them in parallel can mean that one LED hogs all the current, destroys itself then the next one will hog all the current and destroy itself etc..I have no idea what this means11. The 'Check' led is on?i would suggest pulling it into a heated garage and letting all the snow and ice melt from the under body
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