Swirl Demo
# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT
import board
from rainbowio import colorwheel
from adafruit_is31fl3741.adafruit_ledglasses import LED_Glasses
import adafruit_is31fl3741
i2c = board.I2C() # uses board.SCL and board.SDA
# i2c = board.STEMMA_I2C() # For using the built-in STEMMA QT connector on a microcontroller
glasses = LED_Glasses(i2c, allocate=adafruit_is31fl3741.MUST_BUFFER)
wheeloffset = 0
while True:
for i in range(24):
hue = colorwheel(i * 256 // 24 + wheeloffset)
glasses.right_ring[i] = hue
glasses.left_ring[23 - i] = hue
glasses.show()
wheeloffset += 10
Sparkle Demo
# SPDX-FileCopyrightText: 2021 Rose Hooper
# SPDX-License-Identifier: MIT
import board
from adafruit_led_animation.animation.sparkle import Sparkle
from adafruit_led_animation.color import PURPLE
from adafruit_led_animation.sequence import AnimationSequence
from adafruit_is31fl3741.adafruit_ledglasses import MUST_BUFFER, LED_Glasses
from adafruit_is31fl3741.led_glasses_animation import LED_Glasses_Animation
i2c = board.I2C() # uses board.SCL and board.SDA
# i2c = board.STEMMA_I2C() # For using the built-in STEMMA QT connector on a microcontroller
glasses = LED_Glasses(i2c, allocate=MUST_BUFFER)
glasses.set_led_scaling(255)
glasses.global_current = 0xFE
glasses.enable = True
pixels = LED_Glasses_Animation(glasses)
anim2 = Sparkle(pixels, 0.05, PURPLE)
group = AnimationSequence(
anim2, advance_interval=5, auto_reset=True, auto_clear=True
)
while True:
group.animate()
Page last edited February 25, 2025
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