I apologize for not following this topic. I just noticed it today. I guess I was not automatically subscribed if I post a reply? I'm also sorry for my lack of clarity in my previous post to this topic. In setup() you are calling the function attachInterrupt. The 2nd parameter is the name of the func...

I don't know how "best" is defined. But I will attempt to help get you going quickly with the library I'm using. Short Answer: Use @samguyer's fork of FastLED . But, see More Detailed Answer before you go forward. More Detailed Answer: It says on the FastLED GitHub repository page: "library work is ...

Please re-read the first error message. It tells you exactly what the error is. Now if you look to see why the compiler wants to convert 'void (*)(void*)' to 'void (*)()', you will notice that attachInterrupt() requires a pointer to a function that returns nothing and takes NO ARGUMENTS. You are sup...