Questions tagged [led-strip]
The led-strip tag has no usage guidance.
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Connecting multiple led strips in parallel with arduino
I am making a led panel using led strips. Each of the two led strips are 5M long containing 300 LED SMD Striplights. I have cut each of the 2 strips into many small strips of lengths of about 38 cm ...
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Nth-Light LED Strip power connections
Based on this question on the Adafruit forum for Nth-Light Narrow LED Flexible Strip Light (https://www.adafruit.com/product/3683) and the image below is it safe to connect from the 12v source + a ...
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Can't get fastled.h and remoteme.h to work together
I'm trying to make a Google Assistant controlled LED strip, but I'm stuck. I can control the on board LED of the nodemcu with Google Assistant, and I can control a LED strip too, but I can't combine ...
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Controlling a 5m LED strip with a Nano or Uno
I'm wanting to control a 12V LED strip (5m, 60 LEDs per meter) with a Nano or Uno. I know from Adafruit that I'll need some power transistors but I'm not sure that I have the right type. I have 6 ...
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Strange artifact in writing to serial while executing loop
Hope you can see this.
https://gist.github.com/DevilWAH/60ad144d2858f53845ac2e80f84bb070
The main file in this is "morse-led-rfid" which is taking reading data of an RFID tag and then displaying ...
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How to power Arduino nano and LED strip?
I am making a project that uses an Arduino nano and a sound detector module to power a 1m LED strip. I got the idea from this video and I am not sure how to power it. My LED strip flashes for a split ...
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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 ...
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WifiClient and aREST on esp32 - loop until new instructions recieved?
I've created a simple sketch for an esp32 that hosts a REST API that can be accessed via HTTP. Based on the instructions received from the client, the esp32 controls some neopixels with some various ...
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MIDI keyboard controlled LED strip
My objective is to light a led on a strip corresponding to a keyboard note.
I have Arduino Uno with MIDI in module hooked up to a serial port. Piano is hooked with a standart midi cable, Led Strip is ...
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FastLED Rainbow Wheel Fade on an 8 Pin RGB Matrix
So, I have an RGB matrix (using PL9823 LEDs) that's 32 x 8 that I'm trying to run a circular spinning rainbow pattern across in a continuous loop. Now, there's lots of code online for different ways ...
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Audio Signal to LED Lights Code Speed Improvement
I wrote this code that inputs audio from a jack (DC offset at 2.5V), performs the fft on a portion of the data, and then outputs a signal to an LED light strip dependent upon which frequency has the ...
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Arduino Uno and FastLED WS2812B Glitching
I’m using an Arduino Uno and a fastLed WS2812B.
I have the leds set up correctly. Every 2 seconds, the lights pause of about a second and display seemingly random colors.
Does anyone know what's ...
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WS2812B LED strip + Arduino First Pixel keeps dying/breaking
I am trying too hook up a WS2812B LED strip to an arduino nano. The current strip consists of 6 pixels, and the whole thing is powered via a 5.26V Pc power supply.
The problem is that the first pixel ...
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Stacks on arrays on arrays
I am trying to find a "vanilla" way of writing several arrays into one. I spent a lot of time searching for how to do this but everything that comes up is either a tutorial that doesn't cover ...
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Do I need the Ground and 5 V pin connect to Led?
I am building an ambilight. So I bought a 3 pin LED Strip which I power with the USB hub from my TV. Next step is to connect it to the Arduino Nano. Is it OK when I only use the dataport from the ...
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RGB LED strip 100m [closed]
Hello all,
I'm working on RGB LED strip SMD 5050 5m
This all setup is working on 12v 2A with about diagram.
I want to use same connection with 100m of LED strip using Arduino.
Please support ...
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FastLED fill_rainbow - Unexpected red pixel
I'm using FastLEDs builtin fill_rainbow function for generating a rainbow spectrum on an LED strip. The issue is, I get a random red pixel midway through the yellow region. I've tried it on 3 ...
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Powering Arduino and LED strips from one adapter
My project has my Arduino controlling 10 led strips. I'm going with a plan by @gre_gor that is posted here: Setting 10 RGB Strips Independently from Single Arduino
...where each strip is controlled by ...
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for() loop doesn't seem to break?
So I'm quite new to the whole Arduino coding but constructed a sketch that does work, but I think it doesn't work properly. So I'd love to get some advice on how to improve it.
This script is ...
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468
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RGB LED strip controlled through PySerial only somewhat functional
I am trying to set up an LED-strip of 30 RGB LEDs (model WS2801). The strip is connected to an Arduino Uno and an external power supply and the goal is to send colors to the arduino using PySerial ...
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Is there any problem in running Arduino logic to 12V LEDs?
I want to run a strip of 300 12V LEDs (Adafruit Neopixels with WS2811), with my Arduino. Is it safe to connect a follows, or is there some "separation" between voltage levels needed?
5V voltage/out ...
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How to measure room light without LEDs interfering?
I'm trying to measure the light in a room with a simple circuit: a phototransistor connected in series with a resistor. An LED strip changes brightness according to the brightness level in the room.
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RGB LED strip inverted PWM
This bug/stupidity-of-myself/problem is killing me:
I'm have created an RGB strip controller that cycles through the additive-rgb-color spectrum while turning a potentiometer.
I have a pot hooked up ...
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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 ...
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Setting 10 RGB Strips Independently from Single Arduino
I want to control 10 different 12V RGB LED strips independently from a single Arduino.
As a clarification - I've setup a bunch of NeoPixels and understand how to wire and control them independently. ...
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RGB led strip is too dim
I'm following this tutorial to build an Arduino powered RGB led strip controller but I'm facing two problems:
When I use digitalOutput the lights are too dim.
When I use PWM the leds change so ...
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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 ...
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Lighting up long led strip no longer works when my code grows
I have a 144 LED strip - Adafruit NeoPixel Digital RGB LED Strip 144 LED, link here: https://www.adafruit.com/product/1507
If I create a simple project, eg turning pixels on off from the serial ...
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RGB LED strip green LEDs cannot be dimmed to less than 50%
I have an RGB LED strip which I want to control with my arduino uno, everything works fine, except for the green LEDs.
They cannot be dimmed to less than 50%, because they will simply turn off.
I ...
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Attiny13 project with leds and electret microphone
I want to make a project similar to this Turn Signal Biking Jacket
.
But, instead of using Arduino Lilypad I want to use an 8 pin attiny13A-SH and want to use one electret microphone instead of the ...
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Connect optocoupler 4N35 to Arduino Uno to control LED light strips
I want to use an Arduino Uno to control the LED light strips, based on the input signal from a robot controller. The robot controller sends a digital signal with "HIGH" of 24 V and "LOW" of 0 V. I ...
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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:
...
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How to identify RGBW LED pins? [closed]
I have a RGBW LED but I don't know how to identify the negative and the colors pins.
I tried different combinations with an Arduino Uno but it never produce light.
I never used it so I am not sure ...
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Control LED strip IR controller using Arduino
Is it possible to connect to one of these, which run at 12v, to turn on the LED strip using an ESP8266? It doesn't matter if it's an Arduino or the ESP8266, both should be able to do this. The board ...
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