Dream color dip rgb led strip ws2801

Product Overview: 

This light strip has individually address LEDs so you can cover the complete RGB spectrum on each LED. Great for making your robot shine on the competition floor.

It can be used for windows display,screen light source,night club,DJ booth,supermarket and any place for color chaning decorations.

An addressable RGB LED strip is a long flexible strand of LEDs each of which can be individually set to a certain color (hence: addressable). By varying the level of red, green and blue (RGB) per LED many color combinations can be made. The chips between the LEDs listen to commands from a controller. This can be an Arduino or other microcontroller or a controller specifically designed for LED strips. 

The WS2801 is a "3-Channel Constant Current LED Driver With Programmable PWM Outputs". It allows you to adjust the brightness of every LED in 256 steps using PWM. A WS2801 chip controls three channels, so you need one chip for every RGB LED. Theoretically this means the WS2801 strips can be cut next to every LED, but I have not seen any strips where this is the case. The chip runs on 3.3-5.5V. 

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