Why Won't My LED Work in the Car's Glovebox?


1. Help installing LED tail lights 2001 Eclipse GT!!!?

Silly Ricer!! you need a power source

2. Simple LED Dimming from Analogue Voltage Control

PWM modulation is the way to go with this as it saves wasting a lot of power in heat that an adjustable current source would generate. Building a PWM control can be done with many types of circuit designs but honestly the simplest to implement may be with using a microcontroller on a low cost board such as an Arduino. If you want to build your own circuit there are a plethora of circuit resources available on line. On the other hand if you want to keep your life as simple as possible at very low cost then consider visiting eBay and picking up a low cost adjustable module for a few bucks

3. Is cellophane wrapping paper dangerous for fire in a tree with regular mini lights (not LED)?

If the lights are hot to the touch (i.e. Typically, cellophane melts, but there is some cheap Chinese stuff from dollar stores that will catch fire.

4. Why is my circuit's current far lower than expected with 2.6v / 220Ohm / and LED?

The diode has a forward volt drop of 1.775 volt hence the current that this circuit drives might be only (2.6 - 1.775)/220 = 3.75 mA.You do not have the full 2.6 volts across the resistor hence 2.6/220 is meaningless

5. How do LED sources make white light?

A White LED consists of a Blue chip and a yellow phosphor. The blue photons generated in the chip can either: 2.In the phosphor layers it can be converted into a yellow photon. Those two colors combined will generate white light. With a thicker phosphor layer more photons will be converted to white light, thus changing the color point of the LED. Also the wavelength of the blue photons influences the color of the emitted light. Therefore controlling the phosphor layer from LED to LED and over the chip minimizes the color variation.

6. Using 55" LED (LG 55lh90) as monitor but it only recognizes 60hz refresh rate.?

Just because a TV can do "240Hz refresh rate" (redraw the screen 240 times a second to smooth out 24fps movies) does NOT mean it can receive a 120Hz HDMI signal (which is what is needed for nVidia 3DVision). They are NOT the same thing. And according to page 21 of your 55LH90's manual, its HDMI ports can only receive 60Hz signals maximum (HDMI spec 1.3). nVidia's 3DVision requires TVs that have HDMI 1.4 spec-- Those can receive 120Hz HDMI signals. Your TV is NOT 3D-ready.

7. What is Donald Trumpu2019s responsibility in what has led to the chaos and destruction due to the protests for George Floyd?

Obama was stupid. He was playing to the "white ego" with the "thug" stuff, and look where it lead him. The idea that Trump is without responsibility or that he shares "little responsibility" is absurd. What ever happened to the "on your watch" theory? That is, if it happens on your watch, you own it. It's definitely said about the economy, right? How does it not apply to everything else.Ok - how about this?"When you see these thugs being thrown into the back of a paddy wagon, you just seen them thrown in, rough. I said, 'Please do not be too nice,'" ...When you guys put somebody in the car and you are protecting their head you know, the way you put their hand over [their head] ... Like, 'Do not hit their head and they've just killed somebody, do not hit their head. ' I said, 'You can take the hand away, OK?'" And, the problem with the statement is that Obama, Trump, no one had a definition of "a thug." It's one of those bullshit terms like "race" that are meaningless, particularly in the contemporary context. Look at the historical - "A member of a religious organization of robbers and assassins in India." How did that word make its way into the American lexicon? Read on - the British, the same assholes that created the system of Racism in their American colonies and in South Africa (according to the Afrikaans).According to contemporary definition, "a violent person" is a thug. Trump is a thug, and Obama is a thug. The illusion of dissimilarity. Trump always promotes violence. Trump threatens Iran with attacks on 52 sitesA look back at Trump comments perceived by some as inciting violenceTrump's Tweets Amid Unrest in Minneapolis Echo Historic Calls for Violence Against Civil Rights ProtestersSecret Service Says it Used Pepper Spray Before Trump's Church Photo-OpTrump encourages violence against reporters To the question - yeah, he's a piece of work

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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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