1  # SPDX-FileCopyrightText: Copyright (c) 2022 Jeff Epler for Adafruit Industries
 2  #
 3  # SPDX-License-Identifier: Unlicense
 4  import time
 5  import board
 6  import neopixel
 7  from adafruit_display_text.bitmap_label import Label
 8  from adafruit_bitmap_font import bitmap_font
 9  from displayio import Bitmap
10  from rainbowio import colorwheel
11  
12  font = bitmap_font.load_font("tom-thumb.pcf", Bitmap)
13  label = Label(text="Hello World!!  Adafruit QT Py RP2040 + NeoPixel BFF  ", font=font)
14  bitmap = label.bitmap
15  
16  pixels = neopixel.NeoPixel(board.A3, 5*5, brightness=.07, auto_write=False)
17  pixels.fill(0)
18  pixels.show()
19  colors = [0, 0]
20  hue = 0
21  while True:
22      for i in range(bitmap.width):
23          # Use a rainbow of colors, shifting each column of pixels
24          hue = hue + 7
25          if hue >= 256:
26              hue = hue - 256
27  
28          colors[1] = colorwheel(hue)
29          # Scoot the old text left by 1 pixel
30          pixels[0:20] = pixels[5:25]
31  
32          # Draw in the next line of text
33          for y in range(5):
34              # Select black or color depending on the bitmap pixel
35              pixels[20+y] = colors[bitmap[i,y]]
36          pixels.show()
37          time.sleep(.1)