# SPDX-FileCopyrightText: 2020 Melissa LeBlanc-Williams, written for Adafruit Industries
# SPDX-License-Identifier: MIT
import board
import neopixel
from adafruit_pixel_framebuf import PixelFramebuffer, VERTICAL

pixel_pin = board.D6
pixel_width = 32
pixel_height = 8

pixels = neopixel.NeoPixel(
    pixel_pin,
    pixel_width * pixel_height,
    brightness=0.1,
    auto_write=False,
)

pixel_framebuf = PixelFramebuffer(pixels,
                                  pixel_width,
                                  pixel_height,
                                  orientation=VERTICAL,
                                  rotation=2)

pixel_framebuf.fill(0x000088)
pixel_framebuf.pixel(2, 1, 0xFFFF00)
pixel_framebuf.line(0, 0, pixel_width - 1, pixel_height - 1, 0x00FF00)
pixel_framebuf.line(0, pixel_height - 1, pixel_width - 1, 0, 0x00FF00)
pixel_framebuf.circle(pixel_width // 2 - 1, pixel_height // 2 - 1, 4, 0xFF0000)
pixel_framebuf.rect(1, 2, 8, pixel_height - 3, 0xFF00FF)
pixel_framebuf.display()
예제 #2
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PURPLE = (180, 0, 255)
TWINKLEY = (255, 255, 255)
OFF = (0, 0, 0)

# Setup Dotstar grid and pixel framebuffer for fancy animations
pixel_width = 8
pixel_height = 8
num_pixels = pixel_width * pixel_height
pixels = adafruit_dotstar.DotStar(board.A1,
                                  board.A2,
                                  num_pixels,
                                  auto_write=False,
                                  brightness=0.1)
pixel_framebuf = PixelFramebuffer(pixels,
                                  pixel_width,
                                  pixel_height,
                                  rotation=1,
                                  alternating=False,
                                  reverse_x=True)
# Fancy animations from https://learn.adafruit.com/circuitpython-led-animations
rainbow_chase = RainbowChase(pixels, speed=0.1, size=3, spacing=6, step=8)
chase = Chase(pixels, speed=0.1, color=CYAN, size=3, spacing=6)
rainbow_comet = RainbowComet(pixels,
                             speed=0.1,
                             tail_length=5,
                             bounce=True,
                             colorwheel_offset=170)


def scroll_framebuf_neg_x(word, color, shift_x, shift_y):
    pixel_framebuf.fill(0)
    color_int = int('0x%02x%02x%02x' % color, 16)
예제 #3
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from adafruit_pixel_framebuf import PixelFramebuffer

pixel_pin = board.D6
pixel_width = 16
pixel_height = 16

pixels = neopixel.NeoPixel(
    pixel_pin,
    pixel_width * pixel_height,
    brightness=0.1,
    auto_write=False,
)

pixel_framebuf = PixelFramebuffer(
    pixels,
    pixel_width,
    pixel_height,
    reverse_x=True,
)

text = "Welcome to CircuitPython"

while True:
    for i in range(6 * len(text) + pixel_width):
        pixel_framebuf.fill(0x000088)
        pixel_framebuf.pixel(2, 1, 0x00FFFF)
        pixel_framebuf.line(0, 0, pixel_width - 1, pixel_height - 1, 0x00FF00)
        pixel_framebuf.line(0, pixel_width - 1, pixel_height - 1, 0, 0x00FF00)
        pixel_framebuf.fill_rect(2, 3, 12, 10, 0x000000)
        pixel_framebuf.text(text, pixel_width - i, 4, 0xFFFF00)
        pixel_framebuf.rect(1, 2, 14, 12, 0xFF0000)
        pixel_framebuf.line(0, 2, 0, 14, 0x000088)
"""
This example runs on an Adafruit Dotstar Feather
"""
import board
import adafruit_dotstar
from adafruit_pixel_framebuf import PixelFramebuffer

pixel_pin = board.D6
pixel_width = 12
pixel_height = 6

pixels = adafruit_dotstar.DotStar(
    board.D13,
    board.D11,
    pixel_width * pixel_height,
    brightness=0.3,
    auto_write=False,
)

pixel_framebuf = PixelFramebuffer(
    pixels,
    pixel_width,
    pixel_height,
    alternating=False,
)

pixel_framebuf.fill(0x000088)
pixel_framebuf.pixel(5, 1, 0xFFFF00)
pixel_framebuf.line(0, 0, pixel_width - 1, pixel_height - 1, 0x00FF00)
pixel_framebuf.display()
예제 #5
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    print("WiFi secrets are kept in secrets.py, please add them there!")
    raise
AIO_USERNAME = secrets["aio_username"]
AIO_KEY = secrets["aio_key"]

# LED matrix creation
PIXELS = neopixel.NeoPixel(
    PIXEL_PIN,
    PIXEL_WIDTH * PIXEL_HEIGHT,
    brightness=0.5,
    auto_write=False,
)

PIXEL_FRAMEBUF = PixelFramebuffer(PIXELS,
                                  PIXEL_WIDTH,
                                  PIXEL_HEIGHT,
                                  alternating=True,
                                  rotation=1,
                                  reverse_x=True)

# Adafruit.io feeds setup
QUOTE_FEED = "sign-quotes.signtext"
COLOR_FEED = "sign-quotes.signcolor"
CURRENT_TEXT = "Merry Christmas!"
CURRENT_COLOR = 0xFFFFFF


# Helper function to get updated data from Adafruit.io
def update_data():
    global CURRENT_TEXT, CURRENT_COLOR
    print("Updating data from Adafruit IO")
    try: