With this example, tailored to the PyGamer, you can have a portable picture frame. Put the BMP files in the main folder of your SD card, put the code below in code.py, and make sure you've configured mount_sd.py!
This example can be adapted to a lot of CircuitPython boards with support for displayio.
For more information on making bitmap files, check out this guide.
# SPDX-FileCopyrightText: 2020 Jeff Epler for Adafruit Industries # # SPDX-License-Identifier: MIT import os import time import board import displayio display = board.DISPLAY # The bmp files on the sd card will be shown in alphabetical order bmpfiles = sorted("/sd/" + fn for fn in os.listdir("/sd") if fn.lower().endswith("bmp")) while True: if len(bmpfiles) == 0: print("No BMP files found") break for filename in bmpfiles: print("showing", filename) # CircuitPython 6 & 7 compatible bitmap_file = open(filename, "rb") bitmap = displayio.OnDiskBitmap(bitmap_file) tile_grid = displayio.TileGrid( bitmap, pixel_shader=getattr(bitmap, 'pixel_shader', displayio.ColorConverter()) ) # # CircuitPython 7+ compatible # bitmap = displayio.OnDiskBitmap(filename) # tile_grid = displayio.TileGrid(bitmap, pixel_shader=bitmap.pixel_shader) group = displayio.Group() group.append(tile_grid) display.root_group = group # Show the image for 10 seconds time.sleep(10)

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Page last edited January 22, 2025
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