Quick demo scrolling text across a grid (20x15) of neopixels

neopixel_text_scroll.py

import board
import neopixel
from adafruit_pixel_framebuf import PixelFramebuffer, VERTICAL
import time
from random import randint, uniform
import random

pixel_pin = board.D5
pixel_width = 8
pixel_height = 4

pixels = neopixel.NeoPixel(
    pixel_pin,
    300,
    brightness=0.3,
    auto_write=False,
    pixel_order=neopixel.GRBW
)

pixel_framebuf = PixelFramebuffer(
    pixels,
    15,
    20,
    orientation=VERTICAL,
    #rotation = 1,
    reverse_y=True,
)

#grid = PixelGrid(pixels, 15, 20, orientation=VERTICAL, alternating=True)
grid = pixel_framebuf._grid

while True:
    pixel_framebuf.fill_rect(0, 0, 14, 20, 0x000000)
    pixel_framebuf.display()

    x=15
    while True:
        pixel_framebuf.fill_rect(0, 0, 20, 7, 0x000000)
        pixel_framebuf.fill_rect(0, 10, 20, 7, 0x000000)
        pixel_framebuf.text("HAPPY HOLIDAYS", x, 0, 0x00FFFF)
        pixel_framebuf.text("  STAY SAFE", x, 10, 0xAA00AA)
        pixel_framebuf.display()
        x = x - 1
        time.sleep(0.05)
        if x < -100:
            break

    grid.fill((0,0,0))
    pixel_framebuf.display()