from machine import Pin, SoftI2C
import ssd1306
i2c = SoftI2C(scl=Pin(5), sda=Pin(4))
ancho = 128
alto = 64
oled = ssd1306.SSD1306_I2C(ancho, alto, i2c)
temperatura = 12.34
oled.text(str(temperatura),40,20)
oled.show()