from machine import Pin, SoftI2C  
from ssd1306 import SSD1306_I2C 
from time import sleep  
 
# ESP32 Pin assignment  
i2c = SoftI2C(scl=Pin(22), sda=Pin(21), freq=100000)  
# ESP8266 Pin assignment  
#i2c = SoftI2C(scl=Pin(5), sda=Pin(4), freq=100000)  
 
I2C_ADDR = 0x3c 
oled_width = 128  
oled_height = 64  
oled = SSD1306_I2C(oled_width, oled_height, i2c, I2C_ADDR)  
 
#oled.invert(True) by default the screen is black so invert method will change the screen color to white
oled.invert(False) 
oled.pixel(21,24,1)
#oled.fill(1)
oled.text('Hello, World 1!', 0, 0, 1)  
oled.text('Embedded Systems', 1, 8, 1)  
oled.text('Micro Python', 14, 16, 1)  
oled.show()