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Rainbow LED Ring(EF05015)

Introduction​

Rainbow LED Ring is based on WS2812B bead that can show the RGB.

ELECFREAKS PlanetX LED - Rainbow

Characteristic​

Designed in RJ11 connections, easy to plug.

Specification​

ItemParameter
SKUEF05015
ConnectionRJ11
Type of ConnectionDigital input
Working Voltage3.3V
Core ICWS2812 3535 Encapsulation
Number of Pixels8

Outlook​

Quick to Start​

Materials Required and Diagram​

Connect the Rainbow LED ring to J1 port in the Nezha expansion board as the picture shows.

MakeCode Programming​

Step 1​

Click "Advanced" in the MakeCode drawer to see more choices.

We need to add a package for programming, . Click "Extensions" in the bottom of the drawer and search with "PlanetX" in the dialogue box to download it.

Note: If you met a tip indicating that the codebase will be deleted due to incompatibility, you may continue as the tips say or build a new project in the menu.

Step 2​

Code as below:​

Link: https://makecode.microbit.org/_AU7FyLCLFTMY

You may also download it directly below:

Result​

Rainbow LED ring lights on.

Python Programming​

Step 1​

Download the package and unzip it: PlanetX_MicroPython

Go to Python editor

Step 2​

Reference​

from microbit import *
import neopixel
from enum import *
from random import randint
np = neopixel.NeoPixel(J1, 8)
while True:
    for pixel_id in range(0, len(np)):
        red = randint(0, 60)
        green = randint(0, 60)
        blue = randint(0, 60)
        np[pixel_id] = (red, green, blue)
        np.show()
        sleep(100)

Result​

Rainbow LED ring lights on after powering on.

Relevant File​

Technique File​