from machine import Pin, I2C
import ssd1306
from time import sleep_ms

# 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('ElectroHakemi', 2, 2)
oled.show()
sleep_ms(2000)

def oledPrintLetterByLetter(text : str, x : int = 2, y : int = 2, each_delay : int = 100) -> None:
    xFirst = x
    
    for ch in text:
        if ch == '\n':
            x = xFirst
            y = y + 10
            continue

        sleep_ms(each_delay)
        
        oled.text(ch, x, y)      
        oled.show()
               
        x = x + 8

while True:
    sleep_ms(1000)
    oled.fill(0)
    oled.show()
    oledPrintLetterByLetter('Electro\nHakemi')