MicroPython
MicroPython v1.19 on 2022-06-23; linux [GCC 9.4.0] on Raspberry pi 4b Code #2 #11225
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FlydGitHub
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The Unix port of MicroPython doesn't support pin I/O. If you want to run this kind of code you could use a Pico or Pico W. |
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Thanks Peter, My plan was to use the RP 4B OS as a development environment for the Pico. |
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That should be fine, but I/O code will have to run on the Pico. The Unix build typically runs on PC's that don't support pin I/O. |
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import time
from machine import Pin, PWM
Define the maximum achievable PWM frequency in Hz
pwm_freq = 100000
Define the duty cycle (0-1023)
duty_cycle = 512
Define the GPIO pin for the PWM output in BOARD mode
pwm_pin = 40
Configure the PWM output with the specified frequency and duty cycle
pwm = PWM(Pin(pwm_pin))
pwm.freq(pwm_freq)
pwm.duty(duty_cycle)
Wait indefinitely
try:
while True:
time.sleep(1)
except KeyboardInterrupt:
pass
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