1  import time
 2  from random import randrange
 3  import displayio
 4  from adafruit_gizmo import tft_gizmo
 5  
 6  # Create the TFT Gizmo display
 7  display = tft_gizmo.TFT_Gizmo()
 8  
 9  # You can now use the display to do whatever you want
10  # Here we show how to draw random pixels
11  
12  # Create a bitmap with two colors
13  bitmap = displayio.Bitmap(display.width, display.height, 2)
14  
15  # Create a two color palette
16  palette = displayio.Palette(2)
17  palette[0] = 0x000000
18  palette[1] = 0xFFFFFF
19  
20  # Create a TileGrid using the Bitmap and Palette
21  tile_grid = displayio.TileGrid(bitmap, pixel_shader=palette)
22  
23  # Create a Group
24  group = displayio.Group()
25  
26  # Add the TileGrid to the Group
27  group.append(tile_grid)
28  
29  # Add the Group to the Display
30  display.show(group)
31  
32  # Draw pixels
33  while True:
34      for _ in range(200):
35          x = randrange(0, display.width)
36          y = randrange(0, display.height)
37          bitmap[x, y] = 1
38          time.sleep(0.1)
39      for i in range(display.width * display.height):
40          bitmap[i] = 0