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Questions tagged [ws2812]

An RGB LED, when run in a strip, is individually addressable.

-1
votes
2answers
49 views

Schematic with Atmega32U4 and WS2812 Led (Smiley Shape). Does it work? [on hold]

I'm new here and I'm a newbie in electronics. Since 1 year I'm playing around with Arduino (different types) and now I want to build my own thing: a smiley with WS2812D-F5 RGB leds. But I'm not sure ...
1
vote
1answer
35 views

Using 18650 batteries with a 3.7v to 5v boost converter [closed]

I'm looking to set up a 1-meter strip of WS2812B LEDs (60 LEDs) with an off-the-shelf RF LED controller with a remote. The LEDs want a 5V supply - I've tried running them off 3.7v but the colour ...
0
votes
1answer
38 views

WS2812B only works while I measure the voltage

I'm going crazy, there is clearly something I'm missing here. I have a NodeMCU V3.0 and a 5V LED strip WS2812B with 10 diodes. I tested this first with a 5V 0.3A power supply, only powering 3 diodes, ...
0
votes
0answers
20 views

How to make an animation with custom WS2812b?

I want to make a diy LED matrix with WS2812b (7x35). I have a difficulty to program the led animation. Is there some kind of program that has easy interface to custom the led display and generate the ...
0
votes
2answers
109 views

NodeMCU burned, did I something fundamental wrong?

I have a NodeMCU where I connected a LED strip (WS2812b, which operates at 5V). NodeMCU is powered via USB 5V. The used power adapter can supply 2.5A max. I don't have a separate power supply for ...
0
votes
0answers
24 views

WS2812 Matrix colour problem. Power?

I have 8 8x8 WS2812 Matrix LED boards connected together to make 2 16x16 matrices. I have them connected with Dupont wires. I also power the 2 16x16 with Dupont wires that are connected to a 5v 60Amp ...
0
votes
0answers
58 views

Running 5v and 12v strips together?

I want to run 5v and 12v strips and halos together, i read that with the 12v strips, give 12v to the strip but the data is always 5 volts, and tie the ground to the ground of the 5v controller? I use ...
0
votes
2answers
65 views

Methodology for designing/prototyping LED patterns

Several of my projects go through this time-consuming and tedious phase: design a LED pattern for a geometry of WS2812 LEDs implement it with e.g. FastLED write to Arduino and see results goto step 1 ...
0
votes
1answer
249 views

WS2812B LED Stripe going crazy with Arduino and External Power Supply

I have a simple connection here: A WS2812B 5m 300 leds strip 5V; A Power Supply MS-150-5 150W 5V; Arduino with a simple code to blink 10 first leds; TEST: If I connect my power supply to my LED ...
0
votes
1answer
412 views

Problem with html code in ESP8266 WebServer

Here I have a small problem: I have an ESP8266, to which I have connected a matrix of LEDs to move text (the array of LEDs is made with the tape of LEDs addressable ws2812); when you turn on the ...
0
votes
0answers
91 views

How to connect an addressable (ws2811) led-strip with long cable to an adruino?

I set up a light show on my Arduino and it worked perfect when I tested it. I connected the the data line of my 1 meters (3.2ft) of addressable ws2811 ledstrip direct on the breadboard next to the ...
1
vote
2answers
790 views

How to control Neopixel LEDs in parallel?

Imagine a collection of LEDs (Neopixel or otherwise) labeled 2 through 12. There may be more than 11 LEDs, so repeat numberings are allowed. I want a simple way to control them from a single Arduino ...
4
votes
2answers
129 views

FastLed LED Strip Output Checksum

I am wondering if anyone has ever connected the output of their LED strip back to the Arduino to read and make sure the strip is functioning correctly, kinda like checksum functionality. I am using ...
4
votes
2answers
441 views

How to deal with unusual neopixel grid

I have built a custom installation in my home with 896 WS2812 LED driven by an ArduinoMega 2560 and powered by several rails just fine. However, the installation is arranged in a checkerboard-like ...
2
votes
3answers
3k views

Control multiple WS2812B strips with different leds count

First of all, my English is not that good so sorry if I made any mistake. I'm using the WS2812FX, an awesome WS2812 effect library base on Adafruit NeoPixel library to make a small controller for the ...
1
vote
1answer
1k views

LED strip problem… getting red when expecting white with lots of pixels. Fine with 1 pixel

I have an Arduino Uno. I bought this LED strip: https://www.amazon.com/gp/product/B019DYZNO6/ref=oh_aui_detailpage_o08_s02?ie=UTF8&psc=1 Starting initially using FastLED library. When I tried ...
0
votes
1answer
42 views

Not getting pure color while using the FastLED with WS2812b

I am working with the LED strip WS2812b and FastLED library, currently I have only 3 LEDs connected in such a way that the first 2 receive a color (say green) and the last one receives another one (...
0
votes
3answers
44 views

WS2812 HELP. Need name of Unkown component [closed]

https://i.imgur.com/u5SIvLo.png I need to know what the little "thing" that i marked in blue is and how it works. Thanks. picture taken here: https://www.sparkfun.com/products/13282
1
vote
1answer
573 views

Do I have to wire up my WS2812 LED strip in “series”, if I want to address each LED individually?

Let's assume I want to make an asterisk (*) out of LED strips. I want to control each leg individually, while still being connected to only one GPIO pin. The layout I had in mind, looks like this: ...