Ranking All of Led Zeppelins Albums?

1)physical graffiti 2)led zeppelin1 3)led zeppelin4 4)houses of the holy 5) coda (underrated but good ) 6)presence 7)led zeppelin 3 8)led zeppelin 2 9) the song remains the same 10) in through the out door i dont no 10 and 7

1. Control RGB LED without microcontroller

For this particular case ONLY, there are various ways to do thisDigital gate ICs, flip-flop, ON/OFF transistor configuration, etc. depending on your actual configurationAssuming common anode RGB, attached a sample circuit using transistorssimulate this circuit - Schematic created using CircuitLab

2. Blue Light LED electrical malfunction?

It sounds like that the inside transformer had broken. Return it !

3. can u grow with led lights?

Yes, first used by NASA to grow plants in space, LEDs came into use for home and commercial applications for indoor horticulture (aka grow lights). The wavelengths of light emitted from LED lamps have been specifically tailored to supply light in the spectral range needed for chlorophyll absorption in plants, promoting growth while reducing wastage of energy by emitting minimal light at wavelengths that plants do not require. The red and blue wavelengths of the visible light spectrum are used for photosynthesis, so these are the colors almost always used in LED grow light panels. These lights are attractive to indoor growers since they use less power than other types for the same light intensity, need no ballasts, and emit much less heat than HID lamps. The reduction in heat allows time between watering cycles to be extended because the plants transpire less under LED grow lights. Due to this change in growth conditions, users of LEDs are advised not to over-water the plants. Remember look for specific grow type LED lights. Household light may or may not be suitable depending on how they are made.

4. Candels or LED Lights for a wedding reception?

Nothing can replace candlelight! It's so much prettier. If you have a guest list composed of mentally retarded people? Go for the LED lights.

5. Bright blue led headlights what are they called?

LED Xenon. Also called HID

6. Is a Modi led government bad for agriculture?

I do not know.. But it's high time to persuade agriculture workers into other fields.... If BJP is trying it then it's gr8

7. LED Computer Monitor Help?

Yes, quit pressing on your screen or buy a monitor that had multiple inputs. Check the link below

8. Modded Razer Blackwidow LED Lights?

Nothing short of replacing the entire key and actuator. That aint gonna happen

9. Horse walks ahead when being led?

When she doesnt want to move go from side to side till she goes forward. Thats what we do with our colts. And when she walks ahead give her a good jerk on the halter and make her back up about 5-10 steps. And everytime she walks ahead do that. I have a mare that did that. It drove me CRAZY

10. what is led strip and what to do?

A series of led (light emitting diodes) connected to each other and mounted on a transparent flexible rubbery material with an adhesive backing. Available in different lengths depending on application. Use it for customizing look of you car's interior or exterior. Some use it to copy the look of the new Audi's head lights.

11. how to convert ac led lights to run off of a 12v dc boat battery?

An inverter will probably draw more current than the lights. None marine LEDs are prone to fail at low Voltage. Replace with marine LEDs. Cost a bit more but you only have to buy once.

12. Is the break-up of the Eurozone led by Italy nigh at hand?

There are more nations than Italy that could benefit from leaving the euro, but it is unlikely they will be given the opportunity as it would lead to a devaluation, which Germany would not support

13. Energy delivered by a LED in Joule

With the input you are given, you can calculate$$

m Energy = Power times Time$$What you are calling dosage is apparently$$

m Dosage = fracEnergyArea$$which is why you can get equal dosages for different energy absorbed, if you just scale the area accordingly

14. wat is LED flash ?!?!?!?

This is an electronic flash used in cameras and warning lights

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Apple IPhone 9 Will Come with OLED Display As Per Rumors.
Apple IPhone 9 Will Come with OLED Display As Per Rumors.
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Usually a blown fuse will cause this,and also if your panel is all digital then it is also possible the the circuit board can be bad,a very expensive fix might i add,,,,,,.,,,,,,,,,,,,,,,,,,,,,,,,,Unable to use laptop display since attaching monitorSo it looks like that Ubuntu on that Laptop is stuck in the external display modeMultiplexing 4-digit 7-segment display is flickeringTo avoid flickering of the segments, you really do need hard real time control of the multiplexing. Even small variations in the timing will be quite noticeable.Using the timer on the CPU should work quite well, but as you observed it seems a lot of hassle for one simple thing. Perhaps it's worth doing if it's not just a one-off thing you are making.Using a smart display, or making one by adding a small micro is probably the easier route. I would probably opt for the micro since it gives the most flexibility.How exacly do you display Physical passion?It is not something artificial that you can display at will. It should come from the inside, because of the chemistry and the actionIs there an app to display partition identifers?Another choice, installed by default on 12.04:There are options to display fields, remove headers, etc.may also be useful, depending upon what you find easier to parse. I do not think it will be easy to find a standard utility to convert to the grub nomenclature. The shell program /usr/lib/grub-legacy/update-grub has some shell script functions that do the conversionNeed help...Monitor, desktop display problem?Go to start button. Type are solution'. Click on adjust screen resolution. Make sure it's set to single scren display and your resolution is not more than you monitor can support. Try changing some of the settings. But what ever you do, do not set the resolution higher than what your screen can supportWindows 10: Laptop display refuses to turn offThe issue has been fixed in Windows 10 build 10586 released in November 2015. 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" has a 9. 7" prototype kit for sale (out of stock as of 2010 Nov 28). You might also be able to hack a Kindle DX (same 9.7" screen), not sure what is in themDo you think the Fundies would object if I put my atheism display up at the public school?All I have to say is if you do not want Christians to set up a display discussing the benefits and what not of religion then do not open the can of worms. People and their hypocritical ways are really starting to upset me. 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However, there is a problem, at least with DisplayCAL: creating profile for gamma 2.2 means that 1D LUT will be created. This 1D LUT can be applied in two ways:Here comes the problem. Assume that you have an 8bit LCD which does not have gamma correction at all (or does not allow the gamma to be set enough closely to taget) and also does not use editable internal 1D LUT. If you calibrate your LCD for gamma 2. 2 the DisplayCAL will make your LCD loose colour depth because it does not offer any interactive gamma adjustment. Therefore your LCD wo not even be 8bit anymore (more like 7,5bit, for example).If your entire workflow is 16bit there is zero sense in creating 1D LUT. However, since most LCDs have extra contrast, you may set your LCD gamma to compensate for it BEFORE profiling and then create profile for gamma "As measured".Creating 1D LUT for video card (8bit to 8bit) will only cut your colour depth
LiTTT Snaps LED Strips Together Without Solder
LiTTT Snaps LED Strips Together Without Solder
Programmable RGB and RGBW LEDs, especially in strip form, have revolutionized the kind of lighting effects that creators can easily make. Working with strips, however, normally means breaking out the soldering iron. If for some reason you need to make changes, you then have to repeat the process over again — hopefully without damaging anything.If you’d prefer for things to be more plug-and-play, the LiTT Snap! system, by Daniel Tooker, features electrical connectors that — you guessed it — simply snap together. They form connections by bending the strip inside of a square piece of RPVC extrusion, or into an equivalent 3D-printed shape. The system is now available on Kickstarter, featuring 90 and 45 degree connectors, extrusion, and the RGBW LEDs themselves, along with the pigtails needed to connect everything to power and your favorite dev board.It’s an interesting concept, but the stretch goals expand things even further, including a 135- and 180-degree connector, as well as mounting hardware, and even a rotating corner connector. As an added bonus, if successful, this campaign will help in the development of the LiTTT HUB. The aim of the hub is to be a connected lighting controller “to rule them all,” further simplifying what you can do with these amazing strips!.·RELATED QUESTIONWere can I get quality outdoor LED lighting for my landscape project?If short maintenance, eco friendly landscape lighting is a precedence for you, outdoor LED lighting is a ideal option for your landscape lighting design. LED landscape lighting offers the protection, security and artistic qualities as any other landscape lighting solution, but it also offers a concentrated ecological footprint and lower maintenance.You can emphasize the beautiful architecture of your home’s external or landscaping with tactically placed outdoor lighting by LV Lightings. While your options may seem endless, it’s significant to believe the role you want your outdoor lights to play. Will they be for security reasons, or for more ornamental purposes?Outdoor LED lightingmay be more luxurious up front than other options, but in the long run it will go easier on your wallet than other bulbs. From LV Lighting’s LED lights have a long life span and offer excellence lighting that is power efficient.Whatever options you settle on, you’re sure to find a extensive selection of charming and well-designed landscape lighting right here on LV Lightings.
LED Ring Lamp DIY Diagram
Step 1: required componentsYou will need the following components20x 5W SMT LED1X voltage buck converterI used a 3mm Thich 8.5-inch aluminum appliance coverHeat conducting greasepower cordToggle switch20V 350ts laptop power supplyStep 2: cut a circle inside the aluminum coverI cut the diameter circle on the aluminum cover on the 4-inch latheGrind the sharp edges with sandpaper to smooth the sharp edgesStep 3:Apply thermal grease to the 5-watt SMD LEDs and place it in the circle.Took a piece of propylene and cut it into a circle 4 inches in diameter.Now, if you want to copy it in the same way, you need to use the exact measurement of your lens, and then cut a circle inside so that it can be placed above your lensWith luck, my acrylic sheet fits my lens perfectly.Step 4: weld LEDsAfter placing the LEDs, they need to be welded in parallelPositive pole and amplifier; GND parallel.It is recommended to use thick welding wire and solderStep 5: circuit diagramPlease check this circuit diagram for reference.Step 6: adjust the power supplyConnect the led to the variable power supply & amp; Check the optimum voltage with a multimeterThe supply voltage is 20 volts and a step-down converter is connected to reach 11.8 volts and 2 amps.Step 7: connect the ring light to the cameraSo once it's done, you need to take some rubber bands and stick them on the acrylic resin, as I didIt is recommended to use spebb7 or epoxy resin adhesive or hot adhesive (hot adhesive is not reliable).Then connect the power supply.Step 8: test photosFirst of all, I was really clicked on some macro photos, and the results were very good.It can also be used for video production, video production and rainbow shootingStep 9: Review & amp; improvisationRig, the result is very good, but I noticed something I want to tell you.The heating is because the aluminum cover is very thin, so the picture above is the second version of it. I used a thicker plate (the constructables of ring lamp VER2.0 will be uploaded soon).
Small Tips for LED Drive Design: Five Key Points
1. Chip heatingThis is mainly for the high-voltage drive chip with built-in power modulator. If the current consumed by the chip is 2mA and a voltage of 300V is added to the chip, the power consumption of the chip is 0.6W, which will certainly cause the chip to heat up. The maximum current of the driving chip comes from the consumption of the driving power MOS transistor, and the simple calculation formula is I = CVF (considering the resistance benefit of charging, the actual I = 2cvf, where C is the CGS capacitance of the power MOS transistor and V is the gate voltage when the power transistor is turned on, so in order to reduce the power consumption of the chip, we must find ways to reduce C, V and F. if C, V and f cannot be changed, please find a way to divide the power consumption of the chip into devices outside the chip, and be careful not to introduce additional power consumption. A simpler point is to consider Better heat dissipation.2. Power tube heatingOn this issue, I've also seen some people post in the Power Grid Forum. The power consumption of the power tube is divided into two parts, switching loss and conduction loss. It should be noted that in most occasions, especially in LED commercial power drive applications, the switching damage is much greater than the conduction loss. The switching loss is related to the CGD and CGS of the power tube and the driving capacity and working frequency of the chip, so we should solve the problem of the power tube Heating can be solved from the following aspects: A. MOS power tubes cannot be selected unilaterally according to the on resistance, because the smaller the internal resistance, the greater the CGS and CGD capacitance. For example, the CGS of 1N60 is about 250pf, the CGS of 2n60 is about 350pf, and the CGS of 5n60 is about 1200pf. The difference is too great. When selecting power tubes, it is enough. B. the rest is the frequency and chip driving ability, Here we only talk about the influence of frequency. The frequency is also directly proportional to the conduction loss, so when the power tube is heating, first think about whether the frequency selection is a little high. Find a way to reduce the frequency! However, it should be noted that when the frequency is reduced, in order to obtain the same load capacity, the peak current must become larger or the inductance will become larger, which may lead to the inductance entering the saturation region. For example If the saturation current of the inductor is large enough, it can be considered to change CCM (continuous current mode) to DCM (discontinuous current mode), so it is necessary to add a load capacitance.3. Operating frequency reductionThis is also a common phenomenon during debugging. The frequency reduction is mainly caused by two aspects. The proportion of input voltage and load voltage is small and the system interference is large. For the former, be careful not to set the load voltage too high. Although the load voltage is high, the efficiency will be high. For the latter, you can try the following aspects: A. set the minimum current lower; B Clean the wiring, especially the key path of sense; C. select the small point of inductance or the inductance of closed magnetic circuit; D. add RC low-pass filter. The impact is a little bad. The consistency of C is not good and the deviation is a little large, but it should be enough for lighting. In any case, frequency reduction is not good, but only bad, so it must be solved.4. Selection of inductance or transformerFinally, let's get to the point. I haven't started yet. I can only talk nonsense about the impact of saturation. Many users respond that the inductance produced with a is OK for the same drive circuit, and the inductance current produced with B becomes smaller. In this case, we should look at the inductance current waveform. Some engineers don't notice this phenomenon and directly adjust the sense resistance or working frequency to meet the needs This may seriously affect the service life of the LED. Therefore, reasonable calculation is necessary before design. If the theoretically calculated parameters and commissioning parameters are far from each other, consider whether to reduce the frequency and whether the transformer is saturated. When the transformer is saturated, l will become smaller, resulting in a sharp increase in the peak current increment caused by transmission delay, and the peak current of the LED will also increase With the increase. Under the premise that the average current remains unchanged, we can only watch the light decay.5. LED current sizeWe all know that if the ledripple is too large, the life of the LED will be affected. We haven't seen any experts say how much the impact is. We've asked the LED factory about this data before, and they said it's acceptable within 30%, but it hasn't been verified later. It's recommended to control it as small as possible. If the heat dissipation is not solved well, the LED must be reduced. I hope some experts can give us a specific explanation Indicators, otherwise it will affect the promotion of LED.
Facts About LED Tube Lighting
In a universe of expanding natural mindfulness, the interest for vitality productive lighting is continually developing. Many individuals and organizations are looking for lighting alternatives that decrease vitality utilization as well as are cost proficient and profoundly practical. LED tube lighting may offer an answer for some buyers.What is LED lighting? LED remains for light-discharging diode. They are little semiconductor chips that change over power into light as it goes through them. Conventional glowing lighting produces light as an auxiliary yield from a seriously warmed fiber requiring a lot of vitality. Yet, LEDs change over a large portion of the vitality that courses through them into the light, and can in this way be about twice as productive as brilliant globules.Late advances in fluorescent lighting innovation have made minimal glaring lights (CFLs) an undeniably famous vitality sparing choice for customers. Be that as it may, LED lighting is significantly more proficient over the long haul as a result of its long life expectancy. LEDs can last 50–75 times longer than brilliant lights and 6–8 times longer than CFLs. While the forthright expenses for LEDs stays more costly than incandescents and fluorescents, the extraordinary effectiveness and long life make them both a cost saver and a vitality saver after some time.Then, there are noteworthy wellbeing and natural risks related with glaring lights. Numerous fluorescents contain mercury, which is exceedingly poisonous and possibly risky. In spite of the fact that CFLs ordinarily contain just little measures of mercury, any introduction is possibly hurtful, and despicable transfer could posture long haul wellbeing dangers in structures, landfills, and water sources. Likewise, numerous CFLs are canvassed in a phosphor covering that adds to the risks of breakage and transfer.Any individual who has worked in an office or distribution center with fluorescent tube lighting thinks about the bothering and diversion of continually glimmering lights. Now and again, fluorescent glimmering over long stretches can even bring about vision and eye issues. Another favorable position of tube lighting with LEDs is the disposal of gleaming. LEDs do lose their iridescence of time, however the yield for their promoted life expectancy is an unfaltering, clear stream of light.With lesser wellbeing and natural effects and more prominent vitality proficiency, LED lighting appears like a conspicuous alternative. In any case, while LEDs have been around for a considerable length of time for restricted applications as show and pointer lights, it has just been later that LED innovation has led to LEDs that can deliver the kind and measure of brightening essential for general utilize. In the interim, as with other semiconductor advancements, one can expect that LED lighting will just keep on improving.LED tube lighting may offer an answer for some organizations and buyers looking for expanded vitality productivity and lessened ecological effect. It might mean an extra forthright venture, yet introducing tube LED lighting could be a cost sparing move as time goes on. Also, as the innovation enhances, the advantages will probably increment too·RELATED QUESTIONWhat's the meaning of Sia's Chandelier song?Before Chandelier, Sia was a singer with mediocre success.She was really struggling to push her career when she lost her partner to an accident. She got addicted to drugs, suffered depression and even wrote a suicide note. Drugs and alcohol were her only coping mechanisms. This song is about the time she was addicted to alcohol and drugs and her struggle to get out of it.In an interview, Sia said that she always knew she was a drinker and that she must stop, her guilt, shame is what the following lyrics suggest:-Sun is up, I'm a messGotta get out now, gotta run from thisHere comes the shame, here comes the shame.. but, out of peer pressurephones blowing up, they're ringing my door bells, I feel the love..she did not stop.1,2,3 ... 1,2,3 drinkthrow them back till I lose countThe only time she could escape from reality was when she was high, under the influence of alcohol and drugs. She could be carefree, live like tomorrow didn't exist.I'm gonna swing from the chandelier, from the chandelierI'm gonna live like tomorrow doesn't existLike it doesn't existI'm gonna fly like a bird through the nightChandelier is ultimately a brutally honest tale of substance abuse.Sia wrote the song for Rihanna but I am so glad that she kept this one for herself.
for Several Lighting Applications
COB LED Series from Edison, with different operating powers & different colors and are along with best luminous & color uniformity and excellent reliability. This COB series are with excellent reflectivity and high thermal conductivity and can be widely used in several lighting applications as general lightings such as spotlight, downlight, high bay light, and floodlight and it combines the advantages of performance, reliability, and ease-of-use in one Led. For more information and inquiry please visit@ ly/2Vmi0Gm.·RELATED QUESTIONHow good are the COB LED grow lights?Integrated LED is generally a different name for COB LED in the market, but in fact it cannot describe the characteristics of COB LED clearly. COB refers to Chip-On-Board, which directly encapsulates a small power chip on an aluminum substrate for fast heat dissipation, with a small chip area, high efficiency of heat dissipation and low driving current. Therefore, it has high heat dissipation with low thermal resistance and high thermal conductivity. Compared with ordinary SMD LED, it features higher brightness, lower thermal resistance ( 6℃/W ), lower light attenuation, higher apparent index, perfect light spot and long life.Low-power LEDs of SMD uniformly arranged on the aluminum substrate also known as integrated LED. In fact this integration is only soldering the SMD LED package ( finished LEDs ) on the aluminum substrate ( as shown in Figure 1 below ), instead of COB LEDs; COB directly packages the small power chip ( LED chip ) onto the aluminum substrate ( as shown in fig. 2 ). All COB LEDs are integrated LEDs, but not all integrated LEDs are COB.The SMD LED is a single bead of patch LED lamp. COB LED is integrated with several SMD LED chips and packaged into a whole, which is smaller in size and higher in brightness than SMD LEDs with the same power.
How to Use Legal Led Light Bars for Your New Home?
What is legal led light bars?If you own a business, it is important to know how to use legal led light bars. There are many different types of legal led light bars and they all have different designations. Legal led light bars are used in homes, offices, restaurants, hotels, schools, churches, offices, shopping malls, banks, hospitals, educational institutions, banks, etc. It is also important to understand how to use legal led light bars properly. It is best to learn how to use legal led light bars properly.There are many types of legal led light bars. These include but are not limited to: simple electricity and lighting, oil lamps, fluorescent lights, bar light, side mounted lights, decorative led light, parking lot light, emergency lighting, or turnstile light. There are also some other types of legal led light bars that you can buy from us. If you have any questions about legal led light bars, contact us at [email protected].If you have any questions about led light bars, please contact your local law firm. Our lawyers will be glad to help you. Just send us an email and we will get back to you as soon as possible. If you have any questions about led light bars, please contact your local law firm.Lead light bars are an effective way to keep people away from people who may be walking in your neighborhood. There are two types of led light bars: Street and Cross-road. They are more commonly used in older homes, such as garages and walkways. A road light bar will allow you to get into your home without going into your yard. When you turn on the light bar, you can choose a different type of light bar for your home. The best way to use led light bars is to make sure that they are sturdy and lightweight. This will help you avoid injuries.Types of legal led light barsThe key to using legal led light bars is to use them correctly. Legal led light bars are used by police and other law enforcement agencies. The only requirement is that they be located in a locked room or another area of the building. If you are having trouble finding a legal led light bar, ask for help from a lawyer or contact the lawyer directly. Legal led light bars are also known as front lights and can be used by police and other law enforcement agencies. If you need legal led light bars then contact the lawyers at O'Reilly Law Offices.Legal led light bars are an effective way to help people who are working in law. They are designed to be easier to use and they have many advantages over traditional lighting and also offer some very convenient ways to do things like pass out beer and other drinks. These types of light bars can also be used for businesses that want to sell their products or hire staff to provide support for customers.If you are buying a new home, there are many different types of legal led light bars available. The best legal led light bars can be found at www.law-youth.org.uk/search/legal-led-light-bars. They can be found at www.law-youth.org.uk/search/legal-led-light-bars. All of these legal led light bars can be found at www.law-youth.org.uk/search/legal-led-light-bars.Lawyers are all lawyers, so if you have any questions about how to use legal led light bars then contact your local law firm. They will help you decide what type of legal led light bar is best for you. Legal led light bars are meant to provide a solution to problems in their field. There are different types of legal led light bars available and they can be used for various purposes. If you are interested in using legal led light bars then make sure you check out their website and get more information about the types of legal led light bars available.Style and Design of legal led light barsIt is not always easy to create and find the right kind of lighting. Some people will work in groups and others may be called upon to use them for everyday tasks. It is very important to choose the right kind of lighting for your home. This will help you make sure that you have a good quality lighting for your home. You should look at what type of lighting you are looking for and how much you can save by buying a quality lighting.Led light bars are not always made to withstand heavy use. If you have a bad case of bad light then you need to know what is the best way to use them. This is because most people don't realize that they can only use one type of led light bar. It is also because of how well they work. They can do all kinds of things in their jobs. The first thing that you need to do is determine what type of led light bar you are using. A good way to do this is to ask for help from your friends and family.With legal led light bars, you can see how people are using these lights in different ways. The rules for using legal led light bars vary by state. Most states have some form of regulation that requires them to use a warning when it is not their intention to use them. There are also some state laws that require that they use an actual law in place. These laws may be used by police or other government agencies to detect illegal parking.The first step towards using legal led light bars is to find out what type of light they are and how they work. When you have found a good design for your home then it is best to make sure that the lighting is suitable for your needs. The design of legal led light bars will help you to make sure that the light is safe to use. A good lighting system will ensure that the light is not damaged by any damage that may occur to your eyes.Material and Color of legal led light barsThey are just a group of cheap lights that you can get at your local hardware store and use to create an artificial light barrier around your home. The most important thing is to have good lighting so that you can make sure that your home is as beautiful as possible. They are really easy to use and will work in any type of home. A good way to do this is to check the product instructions on the light bar before you purchase it. Also, if you don't have good lighting then make sure that you have a durable light bar that will last a long time.When you see someone taking their hands off of a case, it's because they're so clumsy. But if you look at the image of a young woman with an unflinching expression on her face, it's because they're wearing very low-tech eyewear. If you look at the image of a teenager who is standing in a parking lot, it's because they're wearing high-tech eyewear. This type of technology can help people focus on what they're doing, which is something that lawyers do.Some of the world's most popular and reliable lamps are very strong and lightweight. They have high durability and they also come in a variety of colors. These lamps can be easily lit by your eyes and can be mounted on your car or even placed on your wall. You can choose from different styles and you can add some style to your home with the added bonus of privacy and security.The law is simple, it is not complicated and does not need to be complicated. A good lawyer will help you with your legal issues. You need to check that the laws are properly followed and that they are in accordance with the law. If you have questions about the law, please contact the office of the District Attorney.
DIY 9 Volt LED Emergency/Backpack Flash Light
Just what you need for an emergency or a camping trip! It's small, it's bright it runs off one of the most common and versatile battery's around the 9 Volt. You can switch it on and off and its so small you can fit it any where. You can carry it every day and doesn't weigh much in your pocket or pack plus it is super efficient! Its the perfect Emergency/Backpack LED Flash light!1: You will need two 9 Volt battery's one good one and one dead the dead one is a parts donor.2: You will need one 9 Volt battery top.(see picture parts donor 9 Volt)3. You will need one 9 Volt battery bottom.(see picture donor 9 Volt)4. You will need 3 wires one black one red and one copper wire. (see picture each one about 2" in length) 5. You will need one small but strong magnet.(see picture)6. You will need 3 white LEDs.1. You will need a Push Pin (Be careful! It is Sharp!)2. You will need some solder (Use the stuff with out lead)3. A soldering iron. (Be careful! It is hot!)4. Wire strippers (You could use a razor blade if you don't have wire strippers but be careful! don't cut yourself)5. Hot glue gun and glue. (Be careful! It is hot hence hot glue!)6. Small screw driver to pry open the battery(Be careful! Don't stab yourself!)Now that you have been warned of all the hazards! Don't blame me if you do something dumb! Pro tip: Use wacky tack poster tack to hold your parts in place for assembly. (Don't eat this!)To find a good parts battery, I use my old smoke director battery's that I replace each year. They work great for parts and some times they work for the flash light too and will power it for weeks or a month.Here is a good look at some common 9 volt battery's and what there is in them for you to salvage. I like the Duracell's! for the donor battery. As for led's you can find them every where I got mine from a broken 4' led replacement T8 light bulb. You can find them in McDonald's toys, light bulbs in the house, key chain flash lights that people toss when the button cells die. You can find them in old sidewalk led lights is a good source.There all over the place take a look around.First off be careful! don't stab your self with the screw driver or cut your self on the metal 9 volt case because it is sharp as a razor!First pry up one side of the 9 volt as shown.Then start to pry around the edge until it is wide enough to pull the inside out. As shown. First place all three led's on there side lined up next to each other on the black 9 volt battery bottom and use the push pin to make small holes at the end of on the metal leads in the black 9 volt battery bottom you should have 6 holes. Note: Push just enough to get the tip of the push pin through, if you push it all the way through the hole will be to big.Now line up the LED's from minus to plus all in a row then push them through the black 9 volt bottom as shown. (see the picture on how to tell plus from minus on an LED.)First cut the copper wire to and lay it between pin 2 and pin -3 and solder the wire and pin 2 & 3 together as shown.Now cut the copper wire to and lay it between pin 4 and pin -5 and solder the wire and pin 4 & 5 together as shownNow the LEDs are in place go to step three.Now that you have the LED's soldered in place now solder on the power leads on and use your wacky tack to hold the leads in place as shown. Don't forget to check what side is positive and what side is negative check the picture on step two to figure this out if you don't know. Once you have the positive and negative leads soldered on then rap them around like the picture as shown.Now test it to see if you did step two right touch the red to the or positive and the black to the - or negative if it lights up you did it right! if not go back to step two and review.The next step is to attach the the power connectors and solder them in place.Remember the plus and minus are reversed from the battery Now that you have the wires squished between the two sides make sure the wires are with in the foot print of ether side. Now lay it on it side and squirt hot glue in the middle just enough that it comes to the sides and let it cool and get hard enough not to move.Next turn it over and squirt glue in the middle on the other side and just enough that it comes to the sides and let it cool and get hard. Once you have it mostly full, now take it and turn it on each and finish fill each side until full.Pro tip: find some metal and as you fill the last bit press it on the metal and it will press it smooth and cool it quickly at the same time. It will give it a smoother better finished look.So now that you have it done you can stick a magnet to the side of the 9 volt and mount it any where. If you hook the light on to one side of the battery and turn it on the connector until it makes contact with the other side you can use it like an on and off switch. I like to keep a few of them mounted under my bed to the bed frame In case of an emergency at night this way I always know where my flash light is.
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