from machine import Pin, I2C
from time import sleep

import ssd1306
# using default address 0x3c 
i2c = I2C(sda=Pin(4), scl=Pin(5))
display = ssd1306.SSD1306_I2C(128, 64, i2c)

seg = 0
minu = 0
hora = 0

while True:
    sleep (1)
    display.fill(0) #borrar pantalla 
    display.text('reloj', 40, 15, 1)
    seg = seg + 1 #contador de segundos 
    if seg >2: #si segundos es mayor a 59 
        seg = 0
        minu = minu + 1 
        if minu >2: #si minutos es mayor a 59 
         minu = 0
    display.text(f"{minu}:{seg}", 60, 25, 1 )
    display.show ()