from machine import Pin, I2C
import ssd1306, time

# ESP32 Pin assignment 
i2c = I2C(0, scl=Pin(22), sda=Pin(21))

oled_width = 128
oled_height = 64
oled = ssd1306.SSD1306_I2C(oled_width, oled_height, i2c)

oled.text('Hello, Wokwi!', 10, 10)      
oled.show()
led = Pin(2, Pin.OUT)

while True:
    led.value(1)
    time.sleep(0.5)
    led.value(0)
    time.sleep(0.5)