WNYINYY ESP32-S3-DevKitC-1 ESP32-S3 N16R8 Dual

"""
WNYINYY ESP32-S3-DevKitC-1 ESP32-S3 N16R8 Dual
WLED     -> GPIO48
RED LED  -> GPIO43
BLUE LED -> GPIO44

Firmware
========
ESP32_GENERIC_S3-SPIRAM-OCT
 8 MiB PSRAM
16 MiB SPIFlash

ESP-IDF 5.1
MPY 1.23-dev

https://archive.server101.icu/micropython/esp32/ESP32_GENERIC_S3_16MIB_idf51.bin
"""

from time import sleep_us, sleep_ms
from machine import Pin, PWM
from neopixel import NeoPixel


class PWM_Inv:
    def __init__(self, pin, duty=None):
        duty = duty or 1023
        self.pwm = PWM(Pin(pin, Pin.OUT), duty=1023)
    def duty(self, value):
        self.pwm.duty(1023 - value)
    def duty_u16(self, value):
        self.pwm.duty(65535 - value)


def cycle(objects):
    while True:
        for obj in objects:
            yield obj


def blink(pwm):
    duty = cycle([range(1023), range(1023, -1, -1)])
    while True:
        sleep_ms(100)
        for i in next(duty):
            sleep_us(i)
            pwm.duty(i)


WLED = NeoPixel(Pin(48), 1)
RED = PWM_Inv(Pin(43))
BLUE = PWM_Inv(Pin(44))