Xenon Strobe Vs LED

Moreover, in the 1990's strobe lighting technology took the public eye and replaced most incandescent lamps. For many years, the xenon strobe was really the only choice available. At least until LED technology immerged. These days, LED (light emitting diode) products are becoming very popular. This is due to the lower power consumption as well as being low in maintenance. Actually, it is now becoming the first choice in various fields, such as in the production of status signals. LED technology has undeniably seemed to take the lead in the global industry and may soon replace strobe lighting entirely, just as incandescent lamps were replaced previously.


Any body knows Infrared LED?

try jameco!

I Just purchased 100 LED Diodes and i want to make a torch.?

A typical LED is anywhere from 2 to 3 volts (and possibly more). You can parallel strings of 3 to 5 depening on the forward voltage drop. Subtract the drops and divide the remaining voltage by the current you want (typically 20mA). e.g. the LED has Vf = 2.5 volts, therefore stringing (4) together will give you 4 * 2.5 = 10V for Vf total. This minus the source voltage is 12V -10V = 2 volts and divided by the current you want (let's say 20mA or 0.020 A), then 2V / 0.020 = 100 ohms. Repeat this 24 more times for the remaining 96 LEDs and you will have your torch. BTW, 25 strings * 0.020 A = 0.5 Amps so make sure that the 12V can supply 0.5 amps for the duration you want.

Can Microsoft trace you if you mod your xbox 360 controller with a custom shell, without LED or any electronic?

only hard drive

Baby Led Weaning Mommies is this normal?

you can always make your own food with the mixer...and then when she seems ready you can give bits of food...I would rather be safe then sorry..BUT it's your baby... (KIA YOU SAID IT!) Then why not email the ppl that you want the answers from? Is not that easier? I thought you would want other opinions but guess not sorry!

LED Lights on my motorcycle drain the battery! help!?

Sorry your incorrect about a short. Kawasaki250 battery is not set to handle more power draw. The lights are not the problem it is the remote box. It still draws from the battery if it sits takes 2 week without being started.

Do LED lights lower risk of fire?

Fire Led Lights

Pi not booting, no ACT LED, not the polyfuse

Maybe your PSU is not supplying enough power. What is the amp rating for the power supply? Try measuring one of the USB ports with a volt meter and a amp meter and see if it's high enough

My first AVR C program- LED not blinking

Three problems:PORTD4 is not how you access that port pin. You would use PORTD, similarly to how I demonstrated the DDRD register above. Personally, I would rewrite your superloop to:.

The 'ACT' LED is not blinking and the CPU is overheating.

Which Pin of the Pi did you connect? The Raspberry Pi does not hace ADCs, and all digital Pins have a 3.3V level for HIGH. So I guess you damaged your Pi with that.A GPIO pin should never be connected to a voltage source greater than 3.3V or less than 0V, as prompt damage to the chip may occur as the input pin substrate diodes conduct. as stated here

Why do Pink Floyd fans say PF makes deep/dark music as compared to Led Zeppelin (please read details of ques)?

When they say dark, Pink Floyd takes you to a jouney to the darkest place of your MIND. They had the best audio system of any band and their music always started slow emotionally and when the song ended. It was back to its original state. But the middle of the song was the climax for PF. They had a different style and no way compared to Led Zep. Led Zep is one of the greatest band of all times. Period

LED in Shoes? Possible or Not? And How?

putting holographic or reflective tape around the bottom of your shoes would be cheaper, easier, almost as good, with no chance of failing

What Are Your Favorite Deep Cuts From AC/DC and Led Zeppelin?

AC/DC all the way. I do not listen to country

In Led Zeppelin's 1976 album "Presence", what is your favorite song?

Achilles's Last Stand

Can you put loft insulation over LED downlights?

They are two answers: from the first principle point of view you may as the heat loss of LED is so low. However, you need to check local rules and regulations. The electrical installation standards in your country may require certain gap between lamps and insulation. I don't think you are protected if that's the case. Also think further, the 'wire problems' are often at the termination point, so it is still a bad idea to cover it if a short circuit or over heating happens due to wiring problems.Can you put loft insulation over LED downlights?.

My computer is shut down and the charger is connected.Charging LED indicator is blinking.Battery fully charged.

Suggest me some solution ?

Press and Hold your Power Button for 30 seconds

Can't turn on ACT LED on baremetal Pi3

Expanding joan's answer:Raspberry Pi 3 B (1 GiB RAM) and A (512 MiB RAM)The green activity LED (GPIO 29) may be writtenThe USB power mode is fixed at high power

Why is there a transistor between the MCU and LED?

Taking the context into consideration, he was probably just using a transistor to have something to decouple.Otherwise:Attiny datasheet states Absolute max current per I/O pin: 40mA, and source/sink capabilities symmetrical.So, if you are going anywhere over 2030mA you would not want to drive the load with the MCU (50mA in his example). Another possibility is when your load needs a Voltage rail higher than supported by the MCU (not the case in his example)

Does my LED panel require a gap between it and the ceiling for cooling?

A bit of airflow would not hurt when dealing with electronics/transformers (though I assume this is a electronic transformer so much less heat is generated). If you do not want a frame just use some simple spacers like scrap wood or metal you have lying around the house. I would not use glue on this though as I do not want this thing crashing down on you. I would play it safe and use some screws

How do put LED lights on my XBox without soldering ?

my advice: if you have to ask a question like this, dont open up your xbox and play with the cables just to get some junky LEDs in it, i guarentee that they wont be as bright as you think and a couple LED strips in your xbox wont make it look much better anyways. i dont think its worth the $30ish or the risk of breaking the thing to put them in. if you want to have a sweet case mod then you should buy one or learn how to make one yourself.

Am I connecting the wires right on the LED strip?

If you cut the red and black wires at the same time, you almost certainly blew your cigarette lighter fuse. Your wire cutters created a short circuit between the power wire and the ground wire. Even if you cut them separately, you still may have shorted the power wire if your wire cutters were touching something metal in the car when you made the cut. Check your fuses.

Are LED Tealights safe to put in a helium balloon?

No problem with either helium or blowing them up yourself. Helium is inert, so it does not react with anything. It actually sounds like a neat idea. Good luck!

How scientists can say that LED is using less power.?

A higher percentage of the energy supplied an LED is converted to light. This is not always true as switching power supplies are typically used to interface the LED to the power source and protect the LED from power surges. Somewhat different switching power supplies are used for CFL = compact florescent lights which are almost as efficient, but do not last as long as the better LED circuits. Incandescent lights are typically inferior by five to ten times in almost all respects

Safe Led resistor path [closed]

If each LED should have 200 ohms in series you can either put two 100 ohm resistors in series for each or two in parallel to give 50 and then 100 to each LED. Four resistors either way, the first way is better. simulate this circuit - Schematic created using CircuitLabShorting the section above R3 degrades the current sharing a bit, but the nominal current is the same if the LEDs are identical.

Red dots over the LED monitor

DVI-VGA converter might be bad or cables not 100% properly connected into it (look for bent pins). Try replacing it. This is likely the issue.Make sure your graphics card is securely plugged in and set properly in the case.Try switching cables.Try connecting to an alternate monitor. Try moving graphics card to another x16 slot of your motherboard has one. If none of the above help, your graphics hardware is having a problem and should be replaced

What is a PSP 1000 Extended Life LED pandora battery?

It has LED display (there are a few differant ones) but that is likely becasue the Battery can be swithced from normal to Pandora mode. Might also on some units show availble battery life

Register LED blink without reference to ground

Putting the opto-coupler in parallel did not work well because of the different forward voltages of the infra-red (IR) opto-LED and your visible LED.Figure 1. LED forward voltage vs current.Figure 1 shows the problem. I think you have two potential solutions:simulate this circuit - Schematic created using CircuitLabFigure 2 (a) existing circuit, (b) series circuit and (c) parallel circuit

What is the one song where Led Zeppelin and The Rolling Stones crossed paths?

The live version of Star Star from the Some Girls Live In Texas '78 tour that was recorded in Fort Worth has Mick singing, "Jimmy Page, was all the rage, I could not see the reason why."

Serial chaining of LED strips

Your premise is built on a false assumption. While Voltage across parallel circuits is the same, and Current across Series circuits is the same, you are forgetting one thing. Each of these 12V led strip segments are composed of 3 leds AND ONE RESISTOR set for 20mA 12.If you were to place two segments in series, you would not get the same current if you do not double the voltage. In fact, 6 3.2V diodes in series would require more than at least 16V to even light up.simulate this circuit - Schematic created using CircuitLabIn essence, you have Doubled the Voltage & Doubled the Resistance, thus keeping the current the same. I = V/R is the same as I = 2V/2R. But total power is the same. 12V * 0.04A = 48mW. 24V * 0.02A = 48mW.As for the current rating of the FPC, keep in mind that RGB led strips have 60mA per segment (3 Colors x 20mA), and a typical 5 meter roll has 300 leds, so 100 segments. 6 Amps are full power. 12V * 6A = 72 Watts. But keep in mind, that FPC has a high resistance per meter. You quickly start seeing color fading at the far end of the strip. Ideally, any long runs are have power injected at 2.5 meter increments.

Arduino onboard LED pin number as a constant


I want to make LED tailights for a 2001 - 2003 oldsmobile aurora...Any ideas on how to do it?

You can buy direct replacement tail LED light bulbs for these cars at parts stores

Where to buy LED dome lights for jeep wrangler?

Try www.rustysoffroad.com or www.4wd.com or www.4wheelpartswholesaler.com

If I attach 5mm 12V prewired LED's to a 9V battery clip will they work?

Hard to get 12 volts from a 9 volt battery. Could try a big 12v drycell, or a couple of 6v drycells

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The New Technology of OLED 5g TV Will Be a Turning Year for the Color TV Market in 2020
As the only truly mass-produced product in the next generation display technology roadmap, OLED is ushering in a "highlight moment" - although the sales growth in 2019 is limited, the joining of Huawei and Xiaomi is shaping a new image of "OLED".The killer mace of Internet brands?Recently, South Korea reported that LG display will supply OLED panels to Huawei, and the two companies are negotiating the supply. It is reported that this will be an emerging "TV" with 5g function.Lenovo thinks that the 5g package of the three traditional telecom operators has been officially launched in China; The fourth 5g license has Zhao Jingchun, chairman of China Radio and television. At the recently held world 5g conference, it was revealed that China Radio and television will promote 5g business for individuals next year. Huawei's smart screen series products will receive a "completely different product form upgrade" in 2020, which is a high probability event.It is also reported that emerging TV manufacturers Vizio and Xiaomi plan to use OLED panels next year to enter the OLED TV market. It is even reported that Xiaomi has signed a supply agreement with LGD for OLED display panels next year.If the radio and television 5g network is commercial, a batch of 5g TVs must be listed before. This is a "great opportunity" for communication enterprises and Internet enterprises to enter the color TV market. Industry experts believe that not only mobile phone companies that have "news" at present, but also other mainstream mobile phone manufacturers may launch 5g TV next year.In this context, OLED products with continuous tight supply of display panels will be particularly popular: just as OLED used to be synonymous with high-end in the mobile phone market. 5g color TV market, this scene may accelerate. In particular, considering that the new capacity of OLED panel supply of LGD in 2020 is concentrated on the 8.5 generation line in Guangzhou, there is no reason for domestic brands not to "get the month first".Therefore, 5g OLED, as the killer mace of the color TV industry in 2020, especially the mobile communication and Internet brands, has a sufficient "value foundation".Reshape the value chain of color TV, new brand new technologyAt present, the pattern of the domestic color TV industry, in addition to Xiaomi's great success in market share and sales scale by relying on low price and high quality, the traditional disk is still not much different from that 10 years ago."Among more than 10 innovative color TV brands, only Xiaomi is still active in the front line!" this is a true portrayal of Internet color TV entrepreneurs in the past few years. In this regard, industry experts believe that this is mainly because the "new brand" has no "substantive technological breakthrough" except "image, price and more dependence on e-commerce"—— The old routine of price war has also brought financial pressure under huge losses.The biggest feature of 5g OLED combination is the "hardware technology" which is very different from the traditional mainstream LCD TV.Wu Zhanghao, vice president of LG display and Minister of TV business, predicts that the sales of OLED TVs in China will reach 300000 400000 units in 2019, and the sales of OLED TVs in China is expected to reach more than 1 million units in 2020 - this product with short supply and growth is a good helper for the new brand to "create unique" technology competition value.On the other hand, 5g TV technology is bound to create a new concept of "cognition" between traditional TV brands and mobile phone and other communication enterprises. As a global leader in 5g technology, Huawei obviously has outstanding advantages in all aspects, especially in the fields of 5g signal processing antenna, chip, codec and so on. Industry insiders believe that the technical core capabilities of 5g TV and Huawei smart screen will be improved across dimensions."The new round of communication brand TV is very different from the previous Internet concept brand: because this round of new brand entry has 5g, OLED, fan aiot ecology and more hard core content."The battle for high-quality resources begins. Should the color TV industry changeFacing the upcoming 5g OLED color TV war in 2020, what is the biggest variable? The answer is the battle for upstream resources.On the one hand, the supply of OLED TV panels is always insufficient, which greatly limits the improvement of OLED market sales. For example, the data show that in the third quarter of this year, Samsung Electronics sold 1.16 million QLD TVs worldwide, a year-on-year increase of 520000 and a month on month increase of about 70000. Similarly, as a high-end TV, LG OLED TV sold 1.06 million units in the first three quarters, an increase of only 1%.On the other hand, the supply of 5g related chips and other products is also in the "initial stage". Unlike 4G new products and system products, high, middle and low-end gears are fully supplied. In 2019, the layout of many mobile phone brands on 5g mobile phones actually received the restriction that the chip is not in place. For example, apple is a typical example.Therefore, in the expectation of tight supply, Huawei Xiaomi seizes the new technology of OLED 5g TV, which has the effect of "dimensionality reduction and attack on traditional brands". Industry experts believe that 2020 will be an extraordinary "turning year" for the color TV market!
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