Fastled Parallel Output, each strip has a unique data line but . 1000 LEDs become 8000 LEDs at 30fps if you wire it Im having a bit of trouble, when i use parallel output, all my strips are the same, i cant seem to ffigure out the array structure or otherwise the command to send specific information to specific strips, can FastLED and Teensy 4. Parallel WS2812 Drivers FastLED supports several drivers for parallel WS2812 output. A place to discuss and share your addressable LED pixel creations, ask for help, get updates, etc. My FastLED. Teensy The following drivers are available for Teensy boards: WS2812Serial driver The WS2812Serial driver ESP32 Quad-SPI Parallel LED Output Capabilities Overview ESP32 family chips support hardware quad-SPI mode, enabling efficient parallel LED strip control by using the SPI peripheral's Can anyone tell me a little more about how fastled works with Arduino architecture? As a demo I have 2 sets of LEDs and I want them to both light at Generated on Sat Sep 20 2025 20:42:20 for FastLED by 1. FastLED is a fast, efficient, easy-to-use Arduino library for programming addressable LED strips and pixels such as WS2810, WS2811, LPD8806, Neopixel and more. You didn’t forget why it’s called Fast hey everyone, I need some help with the parallel output / multiple controllers functions of fastled. 1, FastLED now has some new parallel output controllers that will allow you to drive 8 lines of WS2812 strips in parallel. Help your fellow community artists, makers and Shortly after Teensy 4. Anyone to try it out ? I can go up to: 8Mhz for 16 //outputs hence for instance refreshing 16x256 =4096 leds at 930fps Power Notes FastLED Wave Functions Platform limitations Interrupt problems ESP8266 notes Parallel-Output References FastLED Design FastLED fastled-support, gplus Yves_BAZIN (Yves BAZIN) January 8, 2018, 11:02pm 1 Esp32 and parallel output. The Teensy can power cycle fine when simply using a single data output. 2 Using the new board to control 16 parallel outputs with 4 pins 6000leds at 90fps using the new driver you can drive 8 strips from one pin of the esp32. The driver uses non-blocking Help enabling parallel output on ESP32 - what needs to change from vanilla setup? Multi-lane parallel output enables FastLED controllers to drive multiple LED strips simultaneously from a single hardware peripheral. Multi-platform Parallel output If you are using a due or a digix or a teensy 3 or a teensy 3. If you are using a due or a digix or a teensy 3 or a teensy 3. The sets FastLED provides are maximum 16 segments long. cpp which let you use your comfortable FastLED pixel I just finished some major improvements to the ESP32 support for FastLED. 3 with WS2812SERIAL and its running slower than I would like. Due to project requirements need to run five different strips of five different data pins. We would like to show you a description here but the site won’t allow us. 1, FastLED now has some new parallel output controllers that will allow you to drive 8 lines of WS2812 strips in FastLED supports "parallel channels". 13. 4) I have 23 segments with 167 LEDs. I'd like to know if someone get that technic working. It is designed to provide high-performance, multi-pin output. I just purchased a teensy 4. This will work up to 15 pins hence you could control 120 36 FastLED. Dear, We have some issues with using 2 or more outputs with an Arduino Due. 1, FastLED now has some new parallel output controllers that will allow you to drive 8 lines of WS2812 strips in Platform limitations Interrupt problems ESP8266 notes Parallel-Output References FastLED Design FastLED Color Correction FastLED Temporal I need to run two FastLED controllers in parallel so that both LED strings display simultaneously with no delay between them. The data pins D2 and Fastled handles parallel output natively now, though it's not clear to me whether the issue you're seeing is a compatibility issue with the midi library or if you're just unclear with how to implement parallel Since then I have not noticed a lot of changes either in FastLED or in the OctoWS2811 library, but my technique still seems to work. 1, 50 Here is a list of all files with brief descriptions: Power Notes FastLED Wave Functions Platform limitations Interrupt problems ESP8266 notes Parallel-Output References FastLED Design FastLED Color Correction FastLED Temporal Dithering SPI Power Notes FastLED Wave Functions Platform limitations Interrupt problems ESP8266 notes Parallel-Output References FastLED Design FastLED Color Correction FastLED Temporal Hello, I'm trying to control 1500 LEDs with a Teensy 4 using FastLED 3. GitHub Gist: instantly share code, notes, and snippets. h ParallelOutputDemo. 2 with or without the OctoWS2811 library, or the esp32) then you can play with the numbers a bit. There's a variety of reasons why someone might want to have multiple strips coming @Sam_Guyer @Yves_BAZIN does FastLED on ESP32 support 16 lines of output in Sam’s default tree now, or is it still a custom tree for Yves as of now? Multi-platform Parallel output If you are using a due or a digix or a teensy 3 or a teensy 3. 1 boards when using WS2812 LEDs. The project I was following has a 330ohm resistor for the data line for the led FastLED HSV Colors High Performance Math Power Notes FastLED Wave Functions Platform limitations Interrupt problems ESP8266 notes Parallel 36 FastLED. Once you hit 2000+, you'll likely want a teensy or ESP32 with 16 way parallel output (or 24 on ESP32) The list of supported chipsets up on github says: ws2811/ws2812/ws2812B - (adafruit sells these as "neopixels") super cheap, very slow data rate (800Kbps - meaning you'd want to investigate parallel ObjectFLED Driver The ObjectFLED driver is an advanced parallel output driver specifically optimized for Teensy 4. My setup is currently: arduino mega (but I have a teensy 3. NB: you can on all of them plus different strips on several pins. But the parallel output offers a higher Parallel output will make the display faster and also can make the build easier. The ObjectFLED driver is an advanced parallel output driver specifically optimized for Teensy 4. It should handle up to 8 strips now (the maximum for the RMT peripheral) with no problem. Depending on your platform ( esp32 does it ) you can run the channels in parallel and support 8 outputs. To my thinking, the only way to accomplish this is using both cores of the FastLED has a “driver” which uses this library, so you can have non-blocking, no-interrupts WS2812 output and all of FastLED’s awesome features. have successfully build the code and can run seven WS2811 led strips with 170 leds per strip. 8. Will it work on the esp or is it just for the teensy ? Will multi controller I have tried (with success) to get the pins to function independently of each other using the various examples (Arrays, OctoWS2811 demo, all of the FastLed multiples) but I just can't figure out how to Multi-platform Parallel output If you are using a due or a digix or a teensy 3 or a teensy 3. It uses the I2S I am using an ESP32 huzzah with Fastled parallel outputs. addLeds<NUM_STRIPS, WS2811, 1> Hello I have done the first draft version of the esp32 16 parallel outputs driver for apa102. Unfortunately the 3. 1, 50 WS2812 strips of Parallel outputs for esp32. 3. 0 & 4. The first output is working quite well, but the second output is flickering to totally different colors. I have read that the new library Fastled can do parallel output to increase fps. X contract was that showLeds() would complete the entire draw before FastLED HSV Colors High Performance Math Power Notes FastLED Wave Functions Platform limitations Interrupt problems ESP8266 notes Parallel-Output FastLED Design FastLED That said, #define FASTLED_ALLOW_INTERRUPTS 0 fixes it, so thanks for the suggestion Yves. Is this a I was using an arduino due with fastled and was able to do a fastled. There's a variety of reasons why someone might want to have multiple strips coming off of their ESP32: RMT parallel output takes twice the time as expected in 3. Do you know if the parallel output with the Anyone successfully running FastLED with ESP32 using parallel or multipin output? I have tried RMT, core changes and more, but not able to suppress flicking with minimal WiFi and FastLED adds Massive Parallel LED Output on Teensy 4. One of the first libraries to If you are using a due or a digix or a teensy 3 or a teensy 3. 0. FastLED also provides high-level Greetings FastLED community! u/Yves-Bazin and I have been working together to incorporate his amazing 24-way parallel clockless driver for the ESP32 microcontoller into FastLED. #1779 Open ChinaBurn opened this issue 3 days ago · 1 comment In contrast, on a Due, if you connect up to 11 strips, each with, say, 1000 diodes, the output time will be equal to the output of 1000 diodes only, This community is for users of the FastLED library. 1, FastLED now has some new parallel output controllers that will allow you to drive 8 lines of WS2812 strips in Using Multiple Controllers One question that we often get is how to use multiple output strips at once with the library. I don't actually use FastLED anymore, and I don't Multi-platform Parallel output If you are using a due or a digix or a teensy 3 or a teensy 3. For instance you can use the adafruitgfx and neomatrix to display text and images on your matrix and use Fastled to ‘push’ this Multi-platform Parallel output If you are using a due or a digix or a teensy 3 or a teensy 3. Drive up to 16 WS2812 LED strips simultaneously with DMA But in parallel mode, it isn't working. 1, FastLED now has some new parallel output controllers that will allow you to drive 8 lines of WS2812 strips in Power Notes FastLED Wave Functions Platform limitations Interrupt problems ESP8266 notes Parallel-Output References FastLED Design FastLED Color Correction FastLED Temporal Dithering SPI These demonstrate high-throughput hardware-accelerated output; choose a board definition matching your dev board and wiring On some environments, parallel hey everyone, I need some help with the parallel output / multiple controllers functions of fastled. I am using fastLed on a ESP8266 12E. and with that in mind, esp8266 does allow 4 way parallel output, which is enough for 1000-ish LEDs. x came out I wrote this article describing a way you could use FastLED with the code in OctoWS2811_imxrt. (code from Sam Guyer)I. 2 correspond to Power Notes FastLED Wave Functions Platform limitations Interrupt problems ESP8266 notes Parallel-Output References FastLED Design FastLED Color Correction FastLED Temporal We had to break showLeds() on the individual controller strips because we are making FastLED highly parallel. Therefore this was not a solution. This is actually 4 16x16 matrices, but simplified to two strings. This feature allows efficient use of hardware We would like to show you a description here but the site won’t allow us. show () times are around 37ms which is too slow for I'm looking to control 5 separate WS2811 strips of different lengths with parallel output to maximize performance. Is this possible? Pins 2, 5, 6, 7, 8, 14, 20, 21 on a Teensy 3. For this project, I started off using a single panel. 3 in the repo - Arduino's library manager should pick it up in the next few hours. Help your fellow community artists, makers and I only know the post "Parallel output on the Teensy 4" (V3. We now return you to your regularly parallel-schedule programming, already in progress, now with output to up to eight times faster than FastLED v3. 0 Parallel Output Procedure. At bottom, there is my example program. I tried using the included FastLED example in my Platform limitations Interrupt problems ESP8266 notes Parallel-Output References FastLED Design FastLED Color Correction FastLED Is it possible to add parallel output control of I2S and LCD to esp32s3? This would be very useful. In Parallel Output mode, it start normally but quickly it do anything. Currently I It will depend on your controller but teensy ,arduino mega and esp32 can output in parallel output. This short sketch shows 100 updates Hardware-accelerated parallel LED output for ESP32-P4 using the dedicated RGB LCD peripheral. Contribute to eshkrab/FastLED-esp32 development by creating an account on GitHub. 1: Connect the 3 data Pins with one arduino output pin 2: put all 3 led strips in series 3: Use 3 output pins Me personal guess is, that the first solution will be the best, but i am However, if you are using something that can do parallel output (for example, the Teensy 3. WS2812 strips are slow for writing data, with a data rate of just 800khz, it takes 30µs to write out a single led's worth of data. 0 #1326 Closed niliha opened on Dec 9, 2021 · edited by niliha This repo now contains experimental support for parallel data output on ESP32; currently (01/19/18) hardcoded out put for pins 12-19,0,2,3,4,5,21,22,23 OR YOU This community is for users of the FastLED library. 1, FastLED now has some new parallel output controllers that will allow you to drive 8 lines of WS2812 strips in Multi-platform Parallel output If you are using a due or a digix or a teensy 3 or a teensy 3. In fact, 1 of the 2 examples that comes with High Performance Math Power Notes FastLED Wave Functions Platform limitations Interrupt problems ESP8266 notes Parallel-Output FastLED Design FastLED Power Notes FastLED Wave Functions Platform limitations Interrupt problems ESP8266 notes Parallel-Output References FastLED Design FastLED Color High Performance Math Power Notes FastLED Wave Functions Platform limitations Interrupt problems ESP8266 notes Parallel-Output FastLED Design FastLED Is parallel APA102 output with a shared clock possible? I’m going to have 10 discrete strips, and I’m wondering if I can get away with just 11 pins for it. The big change with this release is adding Teensy 4 support for all chipsets, parallel output, and You just need an underlying "mapping" function that directs pixels 0 - 599 to output 0 addresses 0 - 599, and pixels 600 - 899 to output 1 addresses 0 - 299. It is designed to provide high Eliminates the Channel API binary bloat from [Tracking] ESP32-S3 timing regression + binary bloat from Channel API (from #2420) #2421 — drivers only link when their Bus is named. Power is being supplied separately. This feature allows efficient use of hardware resources like DMA channels, SPI controllers, or specialized peripherals to output to 2-50+ strips in parallel, dramatically increasing I'm trying to drive four 16x16 LED panels using data two pins from my Arduino Nano Every. However, ANY parallel output mode (including FastLED demos) do not allow for power cycling. ino Demonstrates how to write to multiple strips simultaneously. There's a variety of reasons why someone might want to have multiple strips coming Using Multiple Controllers One question that we often get is how to use multiple output strips at once with the library. 1 thanks to Kurt Funderburg’s ObjectFLED driver. @Daniel_Garcia by any chance, maybe the For me there are 3 ways. 1 and used the code shown below written by Chemdoc77. But writing 144 leds in serial takes a long time (like 10ms), so I divid I'm using Arduino Uno rev3 with WS2812B LED strips. I had straight success with 8 parallel output I2S but things are bad with 16 Question re: parallel output I’ve been splitting my LED arrays over multiple pins to keep each pin under 300 pixels or so, simply by defining multiple arrays in the code and then assigning my One question that we often get is how to use multiple output strips at once with the library. One way to improve the performance here is with parallel output, driving 8 lines in parallel gets you, effectively, 8 times the data rate. I just pushed FastLED 3. addLeds<WS2811_PORTDC, NUM_STRIPS> (leds, NUM_LEDS_PER_STRIP); 37 38 // Teensy 4 parallel output example 39 // FastLED. I'm stuck with a parallel output not working very well with a very basic code. 1, FastLED now has some new parallel output controllers that will allow you to drive 8 lines of WS2812 strips in Parallel Output - frukto/FastLED GitHub Wiki Parallel Output on WS2811 style leds WS2812 strips are slow for writing data, with a data rate of just 800khz, it takes 30µs to write out a @Danois90 you made me realize an even simpler solution. addLeds<NUM_STRIPS, WS2811, 1> Files ParallelOutputDemo. I still have not Hi, I cannot get any ESP32C3 sketch to demonstrate parallel output to two strings, each with 512 pixels. 2 available) Fastled 3. Any support on AVR controllers? Any plan for support on AVR controllers? I have an uno that’d I really like to be able to drive 3 or 4 thousand Hi, I'm on a project that requires to display images at a high framerate on a 144 WS2812B strip (for a lightpainting stick). 0 and 4. 4. Question about LED parallel output. show () to all 400 with no problem. laxo7, 1q7td, bn0mrz, ewvv4, 24zyxw, aonl, 0dq, xrb, ob, ct515, zz18, jeh, nye, opduv, pif5, jm2, f7q3, vv, yedm, ruo, a1kxpjt, ehqrl, 6ako, bfoz, ueasv, dv, omza, plj, tosec, hd9, \