blink. screen color. shape

Author: FoamyGuy

digitalio/digitalio_blink_example.py

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+"""CircuitPython LED blink example"""
+import time
+import board
+from digitalio import DigitalInOut, Direction, Pull
+
+# LED setup.
+led = DigitalInOut(board.LED)
+# For QT Py M0. QT Py M0 does not have a D13 LED, so you can connect an external LED instead.
+# led = DigitalInOut(board.SCK)
+led.direction = Direction.OUTPUT
+
+
+while True:
+    led.value = not led.value
+    time.sleep(0.25)

displayio/displayio_colored_screen.py

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+import board
+import displayio
+
+display = board.DISPLAY
+
+# Create a bitmap with two colors
+bitmap = displayio.Bitmap(display.width, display.height, 2)
+
+# Create a two color palette
+palette = displayio.Palette(2)
+
+palette[0] = 0xbb33bb  # screen color
+
+# Create a TileGrid using the Bitmap and Palette
+tile_grid = displayio.TileGrid(bitmap, pixel_shader=palette)
+
+# Create a Group
+group = displayio.Group()
+
+# Add the TileGrid to the Group
+group.append(tile_grid)
+
+# Add the Group to the Display
+display.show(group)
+
+# Loop forever so you can enjoy your image
+while True:
+    pass

displayio/displayio_shape_simpletest.py

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+import board
+
+import displayio
+
+SHAPE_WIDTH = 100
+SHAPE_HEIGHT = 100
+display = board.DISPLAY
+
+shape = displayio.Shape(SHAPE_WIDTH, SHAPE_HEIGHT, mirror_x=False, mirror_y=False)
+
+palette = displayio.Palette(2)
+
+palette[1] = 0x00FFFF  # shape color
+
+tile_grid = displayio.TileGrid(shape, pixel_shader=palette)
+group = displayio.Group()
+group.append(tile_grid)
+display.show(group)
+
+while True:
+    pass