2x2 WS2812B Smart RGB LED Matrix Board, 15 x 15 mm

Special Price $3.25 Regular Price $4.00
In stock
SKU
LLH-2X2-WS2812B
Overview

PCB measures appromximately 15 x 15 mm
Each PCB contains four WS2812B digital addressable RGB LEDs
Working voltage: 4 to 7V DC

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Each pixel can realize 256 highlighted, complete 16777216 colors of all true color display.The WS2812B are each addressable as the driver chip is located inside the LED. Each LED has about 18mA constant current drive so the color will be very consistent even if the voltage varies. Simply wire your power supply positive line (4~7V DC) to Vcc, GND to GND and also GND on your control board - and the data pin from your control board to "In". If you are chaining the boards together, be sure to connect "OUT" on the first board to "IN" on the second - and so on.

Each board is equipped with a single data line with a very timing-specific protocol requiring a real-time microconroller with a 8MHz or faster processor such as an AVR, Arduino, PIC, mbed, etc. There are solder pads on the back for connecting wires or breadboard pins and one mounting hole for securing this board to many different surfaces. 

More information:
WS2812B datasheet
FastLED Arduino library
Using with Raspberry Pi

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