def led_breathe(pin_no):
"""
Fn to vary the duty cycle to
dim/brighten the leds
"""
pwm = PWM(pin_no, 100) # create object for PWM on port pin_no at 100 Hertz
pwm.start(0) # start led on 0 percent duty cycle (off)
for i in range(101):
pwm.ChangeDutyCycle(
i) # Increase duty cycle from 0% to 100% (step by 1)
time.sleep(0.03)
for i in range(100, -1, -1):
pwm.ChangeDutyCycle(
i) # Decrease duty cycle from 0% to 100% (step by 1)
time.sleep(0.03)
time.sleep(1)
pwm.stop() # stop the PWM output
def __stop(pwm: GPIO.PWM):
pwm.ChangeDutyCycle(0)
def turn(self, pwm_turn: GPIO.PWM):
self.__resetTurnPWMS()
pwm_turn.ChangeDutyCycle(turn_duty)
time.sleep(turn_slp_interval)
pwm_turn.ChangeDutyCycle(0)
