To put it briefly, LEDs are like very small lightbulbs. Even so, LEDs require a great deal significantly less electric power to light-weight up by comparison. They're also extra Power successful, so they don't are inclined to get sizzling like common lightbulbs do (Except you are genuinely pumping energy into them).
" Current flows in the anode into the cathode and by no means the opposite direction. A reversed LED can retain an entire circuit from working appropriately by blocking present move. So Do not freak out if introducing an LED breaks your circuit. Try flipping it all over.
LEDs are really delicate units and the quantity of existing flowing by means of an LED is essential. Also, the brightness of an LED depends on the level of present drawn from the LED.
Each diode ought to have some physical mark to differentiate the anode through the cathode. On most normal LEDs you might perform with, the anode “leg” or pin is longer when compared to the cathode.
In case you have more than one LED linked to one electricity supply, these quantities are really essential as the ahead voltage of every one of the LEDs added together can't exceed the supply voltage. We will look at this much more in-depth later on from the delving deeper section of the tutorial.
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單色性強，由於是單一能級光出的光子，波長比較單一（相對大部份人工光源而言），能在不加濾光器下提供多種單純的顏色。
LEDs are really straightforward to implement and really affordable to make. They see use just about just about everywhere for this reason. You’re most likely using things with LEDs with out even knowing it.
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The handy lifetime of LED lighting products and solutions is defined in a different way than that of other light resources, like incandescent or compact fluorescent lights (CFL). LEDs commonly tend not to “burn out” or are unsuccessful.
Conventional LED mild bulbs: Common LED bulbs disperse mild at a large angle all through a place. They’re perfect for reading lamps, hallways together with other prevalent fixtures for instance semi-flush and flush-mount fixtures.
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They emit light in unique directions, not in all directions like conventional lighting resources – This enables lights to not be squandered
As with everything we use, LEDs have some positives and negatives. Compared to incandescent gentle resources, LEDs have an extended lifespan and wish less electricity.