Probably a silly question,

Probably a silly question, but do you have to use a PWM pin on the Arduino to send data to a NeoPixel strip being driven by FastLED? I’m trying to shuffle some pins around to make room on a pinChange interrupt pin.

Nope not at all! And output pin at all will do; the signal sent to the LED strip is our digital.

Even an Analog pin?

Even an “analog” pin.

“Analog” pins are digital IO pins that have PWM output capability and ADC input capability. But they can always be used as general purpose, lowest common denominator, digital outputs too.

Excellent! thanks!