NeoPixel.fill()
Allows you to set a specific color for a group of ribbon LEDs. NeoPixel.fill(neo_pin, first_id_led, count, color)NeoPixel.fill(neo_pin, first_id_led, count, color, brightness)
neo_pin: pin to which the LED strip was connected. first_id_led: the first number of the group of LEDs in the tape - counting from 0. count: number of LEDs in a group. color: RGB/RGBW the color that is formed with RGB/ RGBW - depending on the tape. brightness: brightness - it overrides the global brightness. nothing