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LED Strips

Why do I need to use LED strips? #

Many LED screen guys have asked our company, why do they even need LED strips? Here is the simple explanation:

 

 

So why should you consider using LED strips?

  • You need to turn strange shape like sphere, cylinder or car into an LED screen
  • You need to light up huge area, like building, club or shop
  • You don’t have to display information; you just require crazy amazing light effects
  • You need to light up some mobile object or even a human (all those crazy dance robots or Tron dance performances).

Generally, the versatility of using LED strips is just amazing.

 

 

What is an Analog LED strip? #

Analog RGB LED strip is typically a simple LED strip, which can change color. You can only change the color of Analog LED strip at once (not every LED separately). Usually it’s controlled over DMX and powered using 12 or 25 V power source.

 

 

What is a Digital LED strip? #

Digital LED strips (or also called video LED strip, pixel LED strip, dream LED strip or addressable LED strip) is the special kind of LED strips, where you can control every LED separately. In case you tend to use many digital LED strips, you are able to create any shape LED screens, you dreamed of. Below is the nice video explaining the difference between analog and digital LED strips:

 

 

 

What’s the LED strip pitch? #

Generally, LED strip pitch is the distance between two LEDs measured in mm (millimeters). Pitch is used mostly for LED screens. LED strips have usually defined number of LED pixels per meter.

Most common LED strips use 30, 32, 42 or 60 LED pixels per meter. In case of 30 LED pixels the pixel pitch = 100/32 = 31.25. For 42 LEDs/m pitch = 23.8, 60 LEDs/m pitch = 16.7.

 

 

How can I calculate number of required power sources for LED strips? #

The calculation seems pretty straightforward. Let’s take typical pixel LED strip, which uses about 1.2A per meter. In case you use e.g. 200m of LED strips, you’ll need 166.7A at 5V (about 1000W). We use mainly 150W power sources, which at 5V voltage provide maximal current of 26A. For your 200 meters, you would need 166.7/26 = 7 power sources (round up).

 

Here is a simple calculation example you can use:

 

LED Strip amperes per meter [A]: 1,2

Number of LED strips [meters]:  200

Total amperes required [A]: ( 200m*1,2A = 240A )

Power source amperes [A]: 26

Total required power sources: (240/ 26 = 10)

 

Of course, in case you make LED strip installation, you need to calculate maximal current for every power source separately. You can also check our WS2815 calculator to calculate the required amount of power sources easily.

 

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