FastLED
FastLED_examples
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FastLED | FastLED_examples | |
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344 | 178 | |
6,223 | 200 | |
0.9% | - | |
7.7 | 5.9 | |
17 days ago | 12 days ago | |
C++ | C++ | |
MIT License | MIT License |
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FastLED
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Guru Meditation Error if more than 2 Pins/ 2 controller are used with filehandling
I used the examples from here https://github.com/FastLED/FastLED/wiki/Multiple-Controller-Examples
- FastLED's newest feature - HD mode for the APA102/SK9822/Dotstar LEDS
- High Bit Depth Gamma Correction Algorithm for APA102/Dotstar LEDs
- Is there an alternative to using two WS2811 ics to control RGBW channels [first image], and are there any adjustments needed for the current regulator circuit [second image] ?
- Frames getting stuck with ESP32 and 16 by 16 LED Matrix
- changing brightness of the individual led's?
- Arduino Due SPI to control LED strip(s)
- Powering 300 LEDs w/ battery
- led_sysdefs_avr.h error
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Multiple RGB outputs
Sweet. Then pretty much any arduino or other microcontroller would take care of what you need. The strips only take one output pin plus power and ground so just about everything will work for driving them. They act like a long shift register so the single pin is all that's needed to load the full strip with whatever patterns you want regardless of the length. You just have to tell it how many LEDs there are in total is all. Check out the FastLED library. You can learn more about it there and/or install the library in the IDE by pressing "ctrl shift I" for windows or "command shift I" for mac and search for it in the upper search area and install it right there. It comes with working examples too so all you would have to do is install the library, load one of the new example sketches that came with it, and probably edit the example to change the NUM_LEDS count to match what you're working with.
FastLED_examples
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Code format question
In the previously linked version comparing colorCurrent.h == colorTarget.h or colorCurrent == colorTarget without the .h worked the same since the colors were fully saturated and at full brightness. Comparing colorCurrent == colorTarget compares the H,S, and V numbers all at the same time.
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what the work of EVERY_N_MILLISECONDS_I ?
Use the first one for regular unchanging intervals. Use the second one when you need the interval to change over time. Here's one of Marmilicious' examples.
- Blinking stars
- stretching and then compressing a rainbow on a strip
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Controlling WLED-ESP with another Arduino
Depending on the complexity of the animations you want, you could power them through the Arduino directly with a library like FastLED. https://github.com/marmilicious/FastLED_examples/blob/master/MIDI_test_v1.ino is an example.
- changing brightness of the individual led's?
- hopefully, last time asking for help...
- help again
- Addressing multiple individual Leds at once
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More Coding Help Needed!
Take note in my example: https://github.com/marmilicious/FastLED_examples/blob/master/custom_pixel_array.ino
What are some alternatives?
WLED - Control WS2812B and many more types of digital RGB LEDs with an ESP8266 or ESP32 over WiFi!
FastLED-Demos - Here's my updated FastLED demos from January, 2017.
FastLED-esp32 - Parallel outputs for esp32
FastLED-SoundReactive - Sound Reactive displays for FastLED
I2SClocklessLedDriver
TaskScheduler - Cooperative multitasking for Arduino, ESPx, STM32, nRF and other microcontrollers
Tasmota - Alternative firmware for ESP8266 and ESP32 based devices with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP, Serial or KNX. Full documentation at
arduino_midi_library - MIDI for Arduino
FastLED_NeoMatrix - Adafruit GFX compatible library for NeoPixel based Matrices using FastLED library
ESP32_FFT_VU - A spectrum analyzer VU meter for the ESP32 and a FastLED matrix
OctoWS2811 - Control thousands of WS2811/2812 LEDs at video refresh speeds
CD77_FastLED - Animations using the FastLED Library