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Why is Led Zeppelin,Pink Floyd and The Beatles overrated?

Liking any particular band is just a matter of taste, so not sure on the overrated bit. The artists you like listened and absorbed what these so called overrated bands were doing,then created their own sound. Take a good listen to what Jimmy Page was doing in Zeppelin and you will hear his influence in 90% of these metal artists you enjoy now. You have listed some very good bands.

What would cause white "sparkles" on LED tv?

you will come across the white schedule fantastically on racist f)(king fake information and the different a million,000 channels for white human beings. Black human beings have one channel wager and you white human beings are jealous of that. You lie. that's not led by utilizing Al Sharpton yet Ed Schultz. $.

RGB LED - Fade Between Random Colors

Light transitions depend on the mood of the display and range of effects you can produce.A stimulating transition might speed up and go thru rapid full saturation or smooth transition color wheel changes like a carnival gambling wheel and stop on the new random colour in a few seconds.With minimal distraction, a slow transition might interpolate the RGB start and end points and increment the change in 5 seconds time to avoid traffic incidents.An interesting effect might toggle between next and present colour with slowly changing duty cycle while making a faster transition in the middle of the sweep with a total transition time from 1 to 5 seconds.Whatever the case, flicker must be avoided at all costs which is more irritating than stimulating (unless you are adolescent) and use a PWM> 500 Hz.Side comments: addedThe most stimulating display I recall was not using LED but using a large TV modified to display quadraphonic music into the 4 colors RGBY and modified the display into a vector scope with amplitude of each color proportional to the log of each amplitude and each color XY vector starting at the center of the display and going radial at 90 deg offsets. The result was seeing what you heard with many loops and colors. But that was in 1970 before LEDs were popular.I have a XMAS light LED string with 20 transition effects controlled by a single chip micro and a momentary switch to increment your choice of effects, which are wide ranging.I also have a gif file, I made to simulate smooth transitions of color wheel illumination of exterior lighting of a temple but cannot be inserted here.

Why do my LED lights stay on, even when the switch is off?

If the light is controlled by 3-way switches wired with a 3 wire conductor, the electromagnetic field will induce enough voltage on the other wire to dimly light an LED bulb

Why do you need a current limiting resistor to drive an LED if the LED draws only as much current as it requires?

Their voltage is more-or-less constrained, but the current through it (and thus power) may exponentially rise with the voltage if not controlled properly. If your voltage source is capable of driving more than 10—30 textrm mA through the diode (remark: the actual values depend on the diode, however they have similar values for their nominal currents and voltages in order to produce similar intensity of light), then you should consider using a simple limiting resistor. But...Usually diodes may sustain a much higher current than its nominal value says, yet you have to be careful not to melt them due to increased power dissipation not rated for their packaging. A nice technique here is to use PWM or similar (on-off-on-...).And, if you are sure that your driver may not drive more than 10—20 textrm mA (for example, a weak voltage source with a built-in current limiter or a pure current driver), you can directly connect them without a resistor at all. Basically, the resistor just drains power.

Is this IR LED driver circuit with a transistor OK?

For your purpose, at 500 mA or less of power draw for your leds through the IRFz44N, it would be fine. It has a Vgs Threshold of 2V min and 4V max, and the Vgs to Id graph shows it will pass up to 20 Amps at 5V Vgs

Arduino, best way to talk with multiple SPI devices (LED drivers)

The FastSPI library might be useful to you (more information on the author's blog.)This library aims to provide an efficient, high performance interface to various led controllers. It will allow developers to choose performance criteria important to them (maximum cpu usage, number of color levels, refresh rates) and calibrate accordingly, and within reason (there are resources limits in a 16Mhz environment!). Initial support:.

GPIO failing to drive 2N2222 & LED simultaneously

if the LED fits in the pads you couldThe current through the LED and transistor base will probably be a bit high but should be bearable. Experiment with different led colours and models to control base current

What's the best way to light a make-up mirror? Incandescent, halogen, LED, or...?

I own a mobilehome, and talk about bad lighting. OMG! I put fluoresent in the bathroom. I LOVE IT. In the other bathroom, we have those BALL lights around the mirror--HORRIBLE. That room will be remodeled next. However my eyesight is horribole, so even though I have beautiful lighting now in my bathroom. I still use my CLAIROL mirror(from Christmas 1977) to do my makeup. I have NEVER even had to replace a bulb. So I have the best of both worlds

How did people view artist like Nirvana, Madonna, Led Zeppelin, etc etc etc back in the day?

Led Zeppelin was poorly received in Rolling Stone, and Jimmy Page held a grudge against them for it for a long time. The received very mixed reviews for I-III, IV was the first one that a lot of critics liked. However they were an instant hit on teen planet. Parents generally did not like them. Nirvana's first album got good notice in the indie press, and outsold other indie records; they were legends in Seattle and in their (podunk) hometown. Their second album was released by the biggest record company on earth and smashed sales records. It was praised by most critics to the point of hype. They were also a big hit with the teens, and generally, parents did not like them. Madonna had a much different audience than the first two. She bubbled up from the club scene, and gained immediate saturation on MTV. You either hated her or loved her. She was a big hit with teens (and gay listeners), generally parents (and rock fans) did not like her. You might notice a similar theme running through these descriptions.

MOSFET reduces LED switching time - why and how to resolve

I am adding an answer as this allows images - comments do not .I tried the following (primarily based on peufeu's comments):Measurements are plotted below. The LED output was measured as discussed in the original question. No current limiting resistors were used (I know this is best practice but was not sure how to determine what I should use as I am 'off the data sheet').You can see that the decoupling capacitor stops the massive ringing and allows the LED to rise much quicker. Fall time might be longer though.The inverter also works well and if I connected all the outputs should produce more light. However in my application I actually want:So I am going to use the MOSFET system. I have already made a prototype and it seems to work.Thanks to everyone for their answers, especially peufeu for his detailed analysis.

When you first heard Led Zeppelin's 'Presence' in 1976, did you immediately realize that their best days were behind them?

Yes.Musically, what Presence offers is a collection of songs that, to me, sounds tired and therefore hard to keep focus upon.That feeling was inconceivable in their past records, even if filled with songs 20 minutes long or so. The level of emotion in Zep's music always kept me interested all the way through. We can find many reasons behind that change. Presence was not recorded under normal circumstances. Robert Plant had a car accident and was on a wheel chair. His voice has also changed over the years and would never get back to its early form.The band also was facing internal struggles and the very publicized alcohol and chemical abuse. Someday all that would arise to the music, and that was the time. That's not to say, however, that this is an all bad record. It has its moments - the first track, Achilles Last Stand, being the greatest of them. A fantastic song that even shows new paths for the band's sound. Something more progressive, technical but still heavy. And Robertu2019s voice had fit very well.All that said, I still suggest anyone to hear the record and take their own impressions. After all it's a Zeppelin record.

Who was more talented, Jimi Hendrix or Led Zepplin?

Jimi Hendrix was one guy and Zep were a group so it is a tad unfair comparing the two. Also Jimi was only famous for a few years before dying young while Zep had about 13 years at the top.Jimi was a true blues player and a wild showman in a tradition going back to the Mississippi Delta of the early 1900s. He redefined the electric guitar and sent all othe top guitar players of his time 'back to school'. He had travelled a hard road having literally lived on the street as a child. Not only was a he an amazing guitar player but he could write great songs too as his three albums testify. Led Zeppelin came out of the 60s British Blues Boom. They took something that was already well defined and made it more popular. They wrote some enjoyable high energy material which became iconic in the USA. Page was a very good player but there were others around of similar skill such as Jeff Beck, Eric Clapton and so on. There were other British bands around that had been doing that kind of material such as Blues Incorporated, the Bluesbreakers, Yardbirds, Fleetwood Mac and so forth. Page, Plant and Jones were from comfortable middle class English backgrounds of course so had had plenty of leisure time in which to learn from their record collections unlike Jimi. I think it is fair to say that Jimi on his own outweighed the combined talents of Zep while he was alive. Moreover he was the genuine article

Does LED TV need stabilizer?

No, Need but its Protect your led from low, high voltage

Did Michael Jackson ripoff Led Zeppelin

yes he did as there was an article in us weekly and led zepplin is sueing michael over it also

Is Led Zeppelin a psychedelic rock?

Yes, especially there first 4 albums, actually Led Zeppelin were a lot more psychedelic than The Grateful Dead. Psychedelic can best be described as standard rock with embellishments to simulate the effects of conscious altering substances. These effects can be heard quite clearly on ''Dazed And Confused", and ''How Many More Times?" From the first album. the break on ''Whole Lotta Love" is pure psychedelia. There most psychedelic son period is ''When The Levee Breaks" from IV, it's as though the soul of Robert Johnson was sucked into a black hole and all the rules of space and time are irrelevant,and he emerged on the other side of the galaxy playing"when The Levee breaks." You see when Zeppelin arrived, nobody called them heavy metal, they were just another psychedelic band, like Jefferson Airplane, Iron butterfly or Quicksilver Messenger Service. While groups like IB and QMS, didn't outlast there initial eras, and Jefferson Airplane evolved into a more mainstream pop group, Led Zeppelin had a lot of staying power, and always kept one foot on psychedelia, even As late as 'presence" where they use embellishments on songs like ''Achilles last Stand" and ''Nobody's Faul But Mine"