PWM

sunlichao

1. from machine import Pin, PWM
   
2. pwm0 = PWM(Pin(0))      # create PWM object from a pin
   
3. pwm0.freq()             # get current frequency
   
4. pwm0.freq(1000)         # set frequency
   
5. pwm0.duty()             # get current duty cycle
   
6. pwm0.duty(200)          # set duty cycle
   
7. pwm0.deinit()           # turn off PWM on the pin
   
8. pwm2 = PWM(Pin(2), freq=500, duty=512) # create and configure in one go

复制代码