#Micropython ESP32 SSD1306
print("Hello, ESP32!")
from machine import Pin, PWM
from time import sleep
led = PWM(Pin(5), 5000)
while True:
  for i in range(0, 1024,100):
    led.duty(i)
    sleep(0.2)
  for i in range(1023, 0,-100):
    led.duty(i)
    sleep(0.5)