Day 8: Advanced Control – Pulse Width Modulation (PWM)

from machine import Pin, PWM
import time

# Initialize the LED pin for PWM
led = PWM(Pin(15))
led.freq(1000)

while True:
    for duty_cycle in range(0, 1024):
        led.duty_u16(duty_cycle)
        time.sleep(0.005)
    for duty_cycle in range(1023, -1, -1):
        led.duty_u16(duty_cycle)
        time.sleep(0.005)