Are Household LED Bulbs Suitable As Supplemental Light for Plants?

I use led lights for a planted fish tank, and all of the plants have very high light requirements, and it works fine. Mind you- each fixture (I have two of them), costs around 175.00 dollars, but if led's can grow plants in 20 inches of water in an aquarium, I am sure that for regular plants- led's will do fine.

1. Blues was one of the main factors that led to the birth of Rock and Roll.?

Yes the blues petatonic scale was the basis of the petatonic scale.. Blues orginally came from africa to the western world.. i.e guitar, bass guitar, drums were used in africa to play folk songs. . It was the conversion of classical music that made scales that then made jazz then many american blues guitarist used the classical and jazz scales to help create modern blues in America in the 20's american blues is as old as jazz is to america.. then in the late 40 early 50 you had R&B... some R&B and early Rock & Roll.. musicians Elvis played blues and R&B, Fats Domino R&B, Chuck Berry R&B and early Rock &Roll, Buddy Holly country and Rock and Roll. .Holly and Berry came up with standards in early days of speed and thier chord progression.. the Beatles credit Fats Domino for thier sound..Elvis opened up music from early unknown black blues musicians he had heard at younger days he was influenced by that and country music also from early country music.

2. What led to the success of Nordic countries?

Small populations. There never have been many Scandinavians, so there's always more to go around. Like the family w/one child or no children, they can afford that extra vacation or bigger car or both.Jutland has always been one of the most fertile areas of Europe allowing for Denmark's material wealth. Prior to oil discovery in the North sea Norway was never known as a particular success, now they are the Saudi Arabia of the North,While we are talking the dark side, Scandinavia has always been way up there in alcoholism and a leader in suicides. MOF, Denmark has consistently led Europe in alcoholism.So what would you rather have, a drunken wife and a dead dad (by his own hand) or a little less bread in the pantry? And who sez they are such a success anyway? WTF have they done lately. Saab is gone, Volvo is on the way out. Is Erickson still around? Scandinavia, schmadinavia

3. Lighthouse LED simulator [closed]

You can do this with one 555 and a flip-flop, plus a single PNP BJT (or p-channel MOSFET). Low output = ON. Toggle the FF with the 555 output. The 555 discharge resistor R4 gives you the 750msec 'ON' time. The charge resistor R1 R4 gives you the 7. 5 seconds or 1 second when paralleled with a second resistor (switched by the BJT) R1||R2 R4. This is pretty easy. Use a FF compatible with your supply voltage (eg. 4000 series CMOS for >5V or 74HC for

4. What led you to reject your former religion?

They acted like they were all under mind control and like the poster above me said..They would not listen to anything that went against their dogma. They will only accept who they want to into their club and I was not good enough for it.

5. How to toggle LED on button press?

hello sachleen try this code it working I edited from your code

6. led tail lights or stalk with blue dot?

I would play it safe and go with the LED's

7. Where do I go to get HALO LED headlights installed?

look for a custom shop in your area, if you were in the los angeles area you would see ryan over at west coast customs for all your needs

8. connecting common anode rgb led

Connect the common anode pin to 3.3 volt and each of the other pins to a GPIO (add a current limiting resistor between the LED and the GPIO pin. To Light one of the colors set the corresponding GPIO pin low

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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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