LED candle library for Raspberry Pi. Using this library, you can create LED candles. Combine multiple frequencies to simulate candle fluctuations. With this library, you can change brightness, speed, fluctuation and more. This can be used for illumination as well as candles.

from Candle import Candle
import time
import RPi.GPIO as GPIO

sleep_ms = lambda ms: time.sleep(ms / 1000.0)

candle = Candle()
candle.create(24)
candle.shuffle(0, 1000)

for times in range(2000):
    candle.refresh()
    sleep_ms(10)

GPIO.cleanup()

Candle(gpiomode=GPIO.BCM)

gpiomode: How to specify GPIO number

Create an instance.

create(pin, brightness=100, rate=100, ratio=100, pwmfreq=1000)

pin: GPIO pin number
brightness: Brightness level(optional)
rate: Speed ​​of change(optional)
ratio: The magnitude of the fluctuation(optional)
pwmfreq: PWM frequency(optional)

Creates a candle on the specified pin.

reset(pin=None)

pin: GPIO pin number(optional)

Resets the settings of the specified pin. If the argument is omitted, it is executed on all pins.

shuffle(min, max, pin=None)

min: Lower bound of shuffle range
max: Upper limit of shuffle range
pin: GPIO pin number(optional)

Shuffles the start of the waveform to the specified pin between min and max. If pin is omitted, execute on all pins.

pin(beforepin, afterpin, pwmfreq=1000)

beforepin: Pin before change
afterpin: Pin after change
pwmfreq: PWM frequency(optional)

Change the output pin. If pin is omitted, execute on all pins.

brightness(brightness, pin=None)

brightness: Brightness level
pin: GPIO pin number(optional)

Change the brightness. If pin is omitted, execute on all pins.

rate(rate, pin=None)

rate: Speed ​​of change
pin: GPIO pin number(optional)

Change the speed of change. If pin is omitted, execute on all pins.

ratio(ratio, pin=None)

ratio: The magnitude of the fluctuation
pin: GPIO pin number(optional)

Change the size of the fluctuation. If pin is omitted, execute on all pins.

parameter(value, pin=None)

value: Parameter value
pin: GPIO pin number(optional)

Change the value of a parameter. If pin is omitted, execute on all pins.

wave(value, pin=None)

value: Number of sine waves to combine
pin: GPIO pin number(optional)

Change the number of sine waves to combine. If pin is omitted, execute on all pins.

refresh(pin=None)

pin: GPIO pin number(optional)

PWM output to the specified pin. If the argument is omitted, it is executed on all pins.

MIT