.update Method

Function:	For the currently selected PWM channel (selection is made through pwm.num), updates the frequency and duty cycle.
Syntax:	pwm.update()
Returns:	---
See Also:	pwm.dutycycle, pwm.frequency, pwm.updateall

Details

After setting or modifying the duty cycle or frequency of any given pulse-width modulation (PWM) channel, you need to call pwm.update or pwm.updateall for the changes to take effect.