Skip to main content
Arduino

Questions tagged [ws2812]

Ask Question

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

47 questions
Newest Active Bountied Unanswered
Filter by
Sorted by
Tagged with
0 votes
1 answer
107 views

I'm making a program to show numbers in a WS2812 LED and TM1637. I'm also using a common 4x4 keypad. The WS2812 LED is just DIY with 25 x 10. Only two values can be displayed in a LED matrix just now. ...
Lester Therr's user avatar
  • 13
0 votes
1 answer
116 views

I'm trying to make a project using NodeMCU that show pictures in small OLED screen and also controlling WS2812 LED Ring. I manage to do each of them separately but I'm not sure how to mix them ...
Ido Ran's user avatar
  • 149
1 vote
1 answer
197 views

simplified my goal is to display a transitional Background and some shapes. This shapes are not moving hard rasterized by 1 pixel, more like .1 each cycle. So I need a way to interpolate the movement ...
AngelOfEffekt's user avatar
  • 21
1 vote
0 answers
118 views

FastLED web client, when clicked on, all RGB on in red color. Clicked off, all RGB off/black. but not work. Here is the full code, i don't know why it's loop always and web client stuck when i clicked ...
user2470155's user avatar
  • 11
2 votes
0 answers
510 views

I am working on a project using the WSB2812B LED strip, with a ATmega644A using the MCUdude/MightyCore plug in (https://github.com/MCUdude/MightyCore). I am using Fastled 3.3.3 with Ardunio 1.8.13 on ...
Newbie's user avatar
  • 21
1 vote
1 answer
741 views

The power supply is external. I want to clear one strip say pin 7, and meanwhile i dont want other strip say pin 6 to switch off...I use FastLED.clear(); FastLED.show(); But it clears all the led ...
Dhruv Rastogi's user avatar
  • 29
0 votes
1 answer
491 views

I am working on a project to run an RGB strip around a large room and have the colour change driven by an Arduino Uno. I have encountered a number of issues and am looking for clarification. The first ...
Michael Coxon's user avatar
  • 101
-1 votes
1 answer
299 views

I want to address the first and last three pixels of a 9 pixel strip and apply a gradient to them using FastLED. I can successfully address them but the colors displayed are not correct. Is there ...
Dale Botha's user avatar
  • 109
3 votes
1 answer
149 views

I have posted this in a few places, so sorry if you have seen it somewhere else Im working on a battery powered led strip project, iv put the project together and have been testing with a mains power ...
Thomas PomTom Steel's user avatar
  • 41
1 vote
1 answer
603 views

I want to power an ESP32 with a 3.7V LiPo battery. There's a LED matrix of 64 WS2812 LEDs attached to the ESP32. I learned that I need a buck boost converter to power the microcontroller as it needs a ...
Joh's user avatar
  • 121
0 votes
1 answer
2k views

I have a very rudimentary setup with an arduino nano, an LED strip, a pushbutton and a resistor. I was trying to use the pushbutton as a toggle, using this code #include <stdio.h> #include <...
Matias Andina's user avatar
  • 103
0 votes
0 answers
343 views

I am trying to use WS2812B LEDs with an Arduino. I have 24 LEDs connected to pin 6. When I first received the strip I connected it to 12V and data. Using the cyclone example in the FastLED library ...
VOID seekers's user avatar
  • 57
2 votes
2 answers
1k views

I'm using ws2812b 2x2 LEDs and have it switching between green and red, but only one of my LEDs on my 2x2 is lighting up. I'm using the "blink" FastLED sketch with Data pin 3 on my Arduino ...
Darcy Billings's user avatar
  • 29
0 votes
1 answer
447 views

Arduino Uno R3, WS2812B, 1 strip of 60 leds, segmented in to 4. Problem: Only want a single segment/fx_mode to run at any one time. #include <WS2812FX.h> #define LED_COUNT 60 #define LED_PIN ...
New2This's user avatar
  • 11
1 vote
1 answer
2k views

i am trying to implement the ws2812b with an atmega8,but i didn't understand a thing very well. if i pull low for >50 us, it says it resets, but what does that mean? it resets the current LED all ...
SoxxZ _'s user avatar
  • 13
2 votes
3 answers
8k views

I'm trying to use an ESP8266 powered by my computer through USB cable to control a WS2812B LED strip. I've read online that you're supposed to put a resistor before the data channel to help prevent ...
drunkenspider's user avatar
  • 41
1 vote
1 answer
3k views

I am using FastLED to drive 16 pixels on an addressable WS2812B RGB LED strip. My application has extremely tight timing constraints. Specifically, I need to turn the LEDs on and off within less than ...
Johann's user avatar
  • 11
2 votes
1 answer
159 views

I have a WS2812b addressable RGB led ribbon that is 5m (150 RGB leds). I purchased a 5v 10amp power supply to power it; however, whenever I try to use it to power the LED strip the leds start flashing ...
Phillip Clontz's user avatar
  • 21
1 vote
1 answer
2k views

I recently designed a board for an LED project. I am using WS2812B as the LED, and an ATMEGA328P-AU as the microcontroller. I also am using an arduino nano as my ISP and using "flash with ...
Aubrey Champagne's user avatar
  • 113
0 votes
0 answers
360 views

I've built a WordClock with a NodeMcu and some ws2812b LEDs some time ago and it worked really well for like half a year but now the LEDs are starting to flicker when the WordClock runs longer than ...
Janik's user avatar
  • 41
0 votes
1 answer
1k views

I'm trying to create a function that takes two colours and creates a smooth gradient between them one colour at the beginning and one at the end I just can't figure the math of mixing them evenly I'...
Shiba-inu's user avatar
  • 1
0 votes
1 answer
345 views

I have a cosplay project where I'm creating a "Megaman" aka Rockman type of arm cannon (it's actually based on DC's Cyborg). Anyhoo, I've been weighing options like using 3xAA alks or 4xAA nicd (or ...
Cradle2theGabe's user avatar
  • 124
0 votes
2 answers
928 views

I have an Arduino wired to ws2812b with 10 100uF capacitors and 2 1000ohm resistors(picture). When I'm plugging 5v power supply everything is working when I plug 9v battery everything is fine but when ...
Michał's user avatar
  • 1
1 vote
0 answers
1k views

I have a problem with my NodeMCU v2 board and my WS2812B led matrix with 256 (32x8) LEDs. The Board cannot be able to turn on the 191th led and stops working after the 190th without changing the ...
Gianlo's user avatar
  • 11
1 vote
0 answers
526 views

Facing a weird issue, that is probably something pretty simple, but I've went through ESPHome's code on Github and can't figure out. I've wired up 5 WS2812B controllers on an ESP8266 (Wemos D1 R1), ...
jValdron's user avatar
  • 111
0 votes
1 answer
173 views

Lets say i have 1 meter of WS2812 Strip at 60 LEDs per meter. Now i cut the strip up in to 6 single strips but keep the wiring the same and lay them out in parallel. So it would look something like ...
Julian Finn's user avatar
  • 89
0 votes
1 answer
2k views

I'm trying to use CHSV with FastLED library and as I understand hue, value and saturation in the CHSV type are of type uint8_t, or 1 byte. My problem is with using variables: CHSV led = (hue, sat, ...
Toma's user avatar
  • 157
1 vote
0 answers
101 views

I'm trying to re-use a piece of example code I found here: https://howtomechatronics.com/tutorials/arduino/how-to-control-ws2812b-individually-addressable-leds-using-arduino/ And I only have 5 LEDs ...
james's user avatar
  • 21
-1 votes
1 answer
3k views

I am doing a project for my master thesis and I have 6 stripes of WS2812B LEDs each one containing 77 LEDs. I finished the design and now want to turn them on. I used an old power supply to power it, ...
Aida Montazeran's user avatar
  • 11
0 votes
1 answer
504 views

I'm controlling an WS2812 LED strip in which every 2 leds is controlled together - they are setup as "eyes" in a prop. I'm looking to control hundreds of these, so in an effort to save RAM I'd like ...
TheSoftwareJedi's user avatar
  • 101
-1 votes
2 answers
2k views

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 ...
swim hive's user avatar
  • 3
3 votes
1 answer
3k views

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 ...
poolski's user avatar
  • 33
0 votes
1 answer
4k views

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, ...
Yoshidk's user avatar
  • 103
1 vote
2 answers
4k views

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 ...
casper's user avatar
  • 113
-1 votes
1 answer
196 views

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 ...
Vasileios Antoniadis's user avatar
  • 1
1 vote
0 answers
870 views

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 ...
Dirtydev393's user avatar
  • 11
0 votes
2 answers
260 views

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 ...
Anna's user avatar
  • 163
-1 votes
2 answers
1k views

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 with ...
Isslerman's user avatar
  • 1
0 votes
1 answer
2k views

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 ...
k.Cyborg's user avatar
  • 262
1 vote
2 answers
4k views

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 ...
Twiffy's user avatar
  • 131
4 votes
2 answers
266 views

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 ...
Jorb's user avatar
  • 41
5 votes
2 answers
1k views

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 ...
GhostToast's user avatar
  • 153
2 votes
3 answers
10k views

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 ...
PhuocBull's user avatar
  • 21
1 vote
1 answer
5k views

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 ...
adeena's user avatar
  • 111
0 votes
1 answer
364 views

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 (...
k.Cyborg's user avatar
  • 262
0 votes
3 answers
81 views

https://i.sstatic.net/pbYn6.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
Bit's user avatar
  • 3
1 vote
1 answer
3k views

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: ...
MortenMoulder's user avatar
  • 353