50pc 12mm Diffused RGB LED Pixels 5V WS2801 Drivers Waterproof Addressable Color

Description

Welcome to NooElec @ eBay!
eBay Store
Coupons
Return Policy
Shipping Policy
Payment Policy
Product Details
Quantity
50pc 12mm WS2801-Driven LED 'Pixels' (2 25-Pixel Strands)
Technical Details
WS2801 Datasheet
Applications
LED lighting, displays
Product Information
Beautiful, full-color LED pixel strings with pre-soldered JST style connectors.   Not only are these fully waterproofed, but each LED is also independently addressable, opening up entirely new lighting possibilities.  Each LED is powered by an WS2801 IC.
Each end of the pixel string has a JST-style connector.  Data in and clock in can be found on the female connector; data out and clock out on the male connector.  Pinout is as follows:
Red=5V DC
Green=Clock
Yellow=Data
Blue=Ground
For you Arduino users we highly recommend the
open-source fastspi library
as jumping point for your own code.
The WS2801 employs a 2-wire serial data connection, similar to SPI or I2C.  ICs are chained together which means whole strings can be controlled using just 2 pins on your microcontroller.
Data is clocked in starting with the MSB of the red gray scale data and ending with the LSB of the blue gray scale data.  See picture below for details.  There is plenty more information available in the datasheet linked to above.
(Click to enlarge)