Do I Need to Use the LED Light My Fishtank Came with? Taking Care of Goldfish?

Do not use the light, and do not use the 1.5-gallon tank, either. Two goldfish need a minimum of a 30 or 40 gallon tank, with good filtration. So start by getting a decent tank. Otherwise, you will bring very bad fortune to those goldfish.

1. Would you wear a ring with LED light on it?

yea i guess so but if it looked cheap or fake then prob not

2. led light bulbs overheat and go off?

You cooked the LED bulb with over voltage. Some parts might be damaged already,like resistor or even weakening the LED. Put back the power not more than 12 Volts. Damage bulb cannot be repaired because parts causes the same as unit

3. Day-Light Sensing LED Light [closed]

You have two simple possibilities:

4. my LED light comes on to my laptop while the plug is in but it doesnt charge.?

Is sound like either the AC adapter has been damaged, through impact or power surge. Or the power management hardware in you laptop has been damaged. If you can find a friend who has an identical adapter to yours (check the power ratings on the bottom of the adapter to tell if the are identical adapter from HP) then test you laptop with his/hers adapter, this will narrow down the problem to either the adapter (In which case you just buy a new one), or your laptop (In which case you get it repaired). P.S You adapter may be producing enough current to inform the laptop of it presence, but not enough to actual power your laptop.

5. How long will a car battery last powering just an led light string?

the thing about LEDs are they take very little power to run, so is the battery just the power source sitting on a table for the lights??? Or is it in a running car??? not sure what your question is??? if your asking if a well charged battery was to run 6 leds how long would it last, i would guess at least 24 hours if not longer on a full charge...if the leds are the only thing connected...

6. Amazon.ca Best Sellers: The most popular items in Learning & Education Toys

Light-up Terrarium Kit for Kids with LED Light on Lid - Science Kits for Boys & Girls - Gardening Gifts for Children - Kids Toys - Create Your Own Customized Mini Garden in a Jar That Glows at Night

7. Bright red LED light in New Year sky?

The upper left star of Orion is red, and quite bright. I do not think it was Rudolf.

8. Why does this illumination pattern of an LED light going through a small pinhole not emulate the point spread function?

You've selected a pinhole that is roughly 100 wavelengths in diameter. That's the problem: even if you focussed the LED onto the pinhole, many secondary maxima (diffraction rings) pass thru the pinhole. To get a "clean" output, ideally you want the pinhole to be about the size of the primary maximum. So if you can calculate the focal length of a lens that will produce a spot on the order of $ 50 mu m$ , you will get a cleaner output. Keep in mind that this calculation requires a decent estimate of the lens' aperture so that you can use the diffraction pattern formulas

9. What's the purpose of the RED LED light in the camera when you focus?

It is mostly used to adjust the focus (auto-focus inner focus. It relates to direct focus on object) It tells you that focus is set and now ready to click mode. Mostly it does click but in case not able to focus so that's why there is no red light. Red indicator is also to show that it is about to click

10. Which LED light is suitable for camping and travelling lighting?

Coleman LED. I prefer the Coleman gasoline fueled and buy the aluminum fuel bottles. Siphon tube is also helpful for fueling. I've been using mine at night in a boat.

11. How can I make my led light a blinker for my car?

Is the LED strip battery powered, could be meant for automobile use? if it somewhat is so as which you only could. whether that's mains powered then that turns into greater doubtful, water-evidence different the time technique splash evidence no longer immersion evidence

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What Are the Advantages of LED Light Source DLP Splicing Products
As a new large screen video technology, LED light source DLP splicing products have always been one of the key industrial innovations concerned by the industry. The adoption of sub era light source LED technology is not only a simple change in light source technology, but also will fundamentally change the practical performance of DLP splicing products, and even create many new application modes. So, what unexpected new surprises will the new LED light source DLP splicing bring to industry customers?Lower system cost of ownershipThe first significant change in the application of LED light source to DLP splicing wall products is that the cost of users is significantly reduced. Although the use of LED technology will increase the first investment of DLP splicing wall project by 30%, the service life of LED light source reaches 60000 hours, which is about 20 times that of traditional mercury lamp. In other words, the customer's lifetime hit on the DLP splicing wall will save at least 20 bulb replacement costs. This cost can not only offset the increase of DLP splicing unit cost caused by LED technology, but also "save a lot of investment".Another feature of LED light source technology is that the three primary colors emit light independently. This makes the DLP projection system no longer need the previous color wheel beam splitter. As a mechanical operation product, the maintenance and replacement frequency of color wheel is also an important part of customer cost. Although color wheel components are not the core consumables of DLP splicing wall, the economy of LED light source products without color wheel can not be ignored.The long-life LED light source also greatly reduces the maintenance frequency of DLP splicing wall. The annual maintenance quantity can be reduced by at least 50%. This will also serve as an important "money saving" node and become one of the important added values for customers to purchase LED light source products. In addition, as an efficient light source product, LED will also bring higher luminous efficiency and higher light utilization, thus reflecting another part of the "low-cost" characteristics of saving electricity.Higher system reliabilityLED light source products are solid-state cold light source products. The utility model has the advantages of high working efficiency, low heat generation and less accidental damage in solid state. The traditional mercury lamp light source has the same vulnerability as an ordinary electric bulb. Its product temperature is very high in the high-light working state, and it is more likely to be damaged, burned or burst due to accidents. The solid-state emission of LED light source significantly increases the stability of the light source itself.Different from traditional mercury lamp products, LED light source is driven by low-voltage DC pulse. The power supply part does not contain high voltage and high current components, so the service life and stability of the power supply are more controllable. Combined with the natural luminescence of the three primary colors of the LED light source, there is no need for mechanical color wheel components for light splitting, which makes the LED light source more stable than the traditional mercury lamp in terms of power supply, control and light splitting.The three primary colors of LED light source work independently, which also makes the whole machine can still display the picture in the lack of color even if a "bulb" fails. This is in sharp contrast to the situation that the traditional single lamp DLP splicing unit cannot work once the bulb is burned out. It can display without color, so that once the light source appears unexpectedly, the LED light source can minimize the loss of customers to the greatest extent, or even no loss. Compared with the simple single lamp DLP splicing unit, the reliability of LED light source products is closer to the dual lamp backup system.Green environmental protection and low carbonLED light source technology is a famous green environmental protection technology. The characteristics of its semiconductor process make it easier to control toxic metals. Unlike the traditional mercury lamp, once damaged, it is likely to cause the leakage of toxic elements in the internal mercury lamp. As a semiconductor element, LED light source can also be recycled, and important metal elements can be recycled in the smelting process again.In addition, LED light source products are also light source products with high luminous efficiency.Under the same brightness conditions, it has lower energy consumption. Moreover, the LED light source emits light in digital pulse mode with independent three primary colors. The LED light source works only when the DLP light valve chip DMD needs light of a certain color. This is quite different from the continuous ignition mode of the traditional mercury lamp. LED light source does not work continuously. It only makes valuable luminescence when needed, which also makes it better meet the needs of low-carbon and environmental protection for future economic development.Bright colors make the picture more gorgeous
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