Control RGB LED with MicroPython using PWM

led_control.py

from machine import Pin, PWM
from time import sleep
import random

pwm = PWM(Pin(15))
pwm2 = PWM(Pin(13))
pwm3 = PWM(Pin(11))

pwm.freq(1000)
pwm2.freq(1000)
pwm3.freq(1000)

pwm_dict = {
    'red': pwm,
    'green': pwm2,
    'blue': pwm3
}

def led_off():
    """
    Turn off all colors on LED
    """
    for p in pwm_dict.values():
        p.duty_u16(0)

def led_on(colors):
    """
    Turn on the color of each color passed in a list. Supports ['red', 'green', 'blue'] or shorter.
    Is an even mix
    """
    led_off()
    for p in colors:
        pwm_dict[p].duty_u16(int(65024/len(colors)))

def led_on_rgb_code(rgb_values):
    """
    Takes an input list of RGB values between 0,255 and approximates them on the RGB LED
    Example: [255, 400, 137]
    """

    red = 254 * rgb_values[0]
    green = 254 * rgb_values[1]
    blue = 254 * rgb_values[2]

    pwm_dict['red'].duty_u16(int(red))
    pwm_dict['green'].duty_u16(int(green))
    pwm_dict['blue'].duty_u16(int(blue))

if __name__ == "__main__":
    led_on_rgb_code([255, 102, 102])
    sleep(1)
    led_off()