Nowadays, the RGB LED strip lights are getting more and more popular. One of the chief reasons is its wide range of application which lets customers use more of their imagination to decorate and create new moods in their homes or businesses to their own tastes. In addition, Rgb led strip lights is available in diverse styles and designs with multitudes of patterns, such as RGB LED Tape Strip Lights. Besides commercial use in bars, clubs, restaurants or stage lighting for bands,household application is also very common such as in the kitchen or living room.
The
two basic components to operate RGB LED strip lights are the RGB LED
strip (obviously) and a matching RGB controller. All RGB LED lighting
systems require a controller, with which you can determine the colours
displayed. The number of effects you can achieve with your RGB LED
string depends both on the tape, and the controller you apply it with.
The simplest RGB LED tape has a fixed set of colours that can be
displayed in a pre-programmed sequence.
Once you decide on going
for RGB LED strip lights, the technical details you have to pay
attention to are the following. LED strip lights often do not operate at
mains, but are low voltage lights. If so, you need a transformer to
connect them to the mains, or you can operate them with batteries of the
adequate voltage. LEDs require transformers specially dedicated to
them, so electronic transformers are not suitable, for instance, and
also the majority of LEDs require stabilized constant voltage powering.
Voltage tolerance may also have significance if you operate the lights
from a battery or an engine.
The technical details of the
controller are also significant. The controller determines the
performance of the strip lights it can directly be connected to. For
example, if the controller is suitable for let's say 140W performance,
and the performance of the RGB LED strip light you will use is 7W per
metre, than you can connect 140/7=20 metres of strip lights to it. If
you wish to control more than that, but synchronized together; you will
need an RGB amplifier that forwards the signal of the controller.
However, since the power that can run through the RGB controller is
fixed, the amplifier needs to be powered directly from the transformer
or the battery. The connection mode of the LEDs you have will determine
the connection mode of the controllers you can use.
How does RGB
LED technology work?RGB LEDs basically contain three LEDs used in one.
The combination of these three colours covers the full spectrum of
colours. The RGB controller works with PMW (pulse-width modulation),
which means - at a certain frequency - it turns the LEDs on and off
fully (this is exactly the same technique single coloured LEDs are
dimmed). If you turn the blue LED off completely for instance, the red
and green will create a yellow light together. The colour can be
manipulated with the frequency of the individual LEDs on and off modes.
If you add a bit of blue to this yellow, you will receive a lighter
green shade. To create a single colour output the frequency of the full
LED must be over 50Hz.
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