Hey all. Sorry if I'm missing something basic as I'm brand new to this. I have an ELEGOO UNO R3 and a strip of WS2811 (50 controllers in groups of 3 LEDs. Included is my code and the comments in the code show the issue. Everything seems shifted by a color and I'm not sure why. Red in code gives Blue, Green gives Red, Blue gives Green. Please let me know if I need to include any more information.
<
#include "FastLED.h"
// How many leds in your strip?
#define NUM_LEDS 50
#define DATA_PIN 8
//CRGB leds[Num_LEDs];
CRGB leds[NUM_LEDS];
void setup()
{
FastLED.addLeds<WS2811, DATA_PIN>(leds, NUM_LEDS);
}
void loop()
{
leds[0] = CRGB::Red; // Gives Blue
FastLED.show();
leds[1] = CRGB::Green; // Gives Red
FastLED.show();
leds[2] = CRGB::Blue; // Gives Green
FastLED.show();
FastLed has the option to swap colours; it's something you can try. Below as an example; adjust to needs
[size=small]
FastLED.addLeds<WS2812B, A1, [color=red][b]GRB[/b][/color]>(strips[0], NUM_LEDS_PER_STRIP);
[/size]
Please learn to post code properly using code tags (that is, between
** **[code]** **
and
** **[/code]** **
).
Good Morning Shannon,
Thank you. That didn't solve it, but at least it compiled. That was the first code with "GRB>" that compiled. Sorry I didn't use the right syntax for posting code. I'll try it again here. What's the "A1"doing in that line of code? Is there an overall how to/usermanual for FastLED?
[color=#222222]#include "FastLED.h"[/color][color=#222222][/color]
[color=#222222][/color]
[color=#222222][/color]
[color=#222222]// How many leds in your strip?[/color][color=#222222][/color]
[color=#222222]#define NUM_LEDS 50[/color][color=#222222][/color]
[color=#222222]#define DATA_PIN 8[/color][color=#222222][/color]
[color=#222222]//CRGB leds[Num_LEDs];[/color][color=#222222][/color]
[color=#222222]CRGB leds[NUM_LEDS];[/color][color=#222222][/color]
[color=#222222][/color]
[color=#222222][/color]
[color=#222222]void setup()[/color][color=#222222][/color]
[color=#222222]{[/color][color=#222222][/color]
[color=#222222] FastLED.addLeds<WS2811, DATA_PIN>(leds, NUM_LEDS);[/color][color=#222222][/color]
[color=#222222][/color]
[color=#222222][/color]
[color=#222222]}[/color][color=#222222][/color]
[color=#222222]void loop()[/color][color=#222222][/color]
[color=#222222]{[/color][color=#222222][/color]
[color=#222222] leds[0] = CRGB::Red; // Gives Blue[/color][color=#222222][/color]
[color=#222222] FastLED.show();[/color][color=#222222][/color]
[color=#222222] leds[1] = CRGB::Green; // Gives Red[/color][color=#222222][/color]
[color=#222222] FastLED.show();[/color][color=#222222][/color]
[color=#222222] leds[2] = CRGB::Blue; // Gives Green[/color][color=#222222][/color]
[color=#222222] FastLED.show();[/color]
[color=#222222]
The A1 is the pin that the strip is connected to.
What do you get if you set all 3 leds to the same color?
Can you post a link to the led strip that you have?