If you have the library installed on the IDE, load the File -> Examples -> FastLED ->Blink sketch
It has all the supported types commented out so simply uncomment the APA102 definition and it should blink the first LED on/off as red
If you have the library installed on the IDE, load the File -> Examples -> FastLED ->Blink sketch
It has all the supported types commented out so simply uncomment the APA102 definition and it should blink the first LED on/off as red