# Demonstrate how to use the OLED display
# This assumes that you've connected it as follows:
# GND -> GND
# VCC -> 3.3V
# SCL -> D2
# SDA -> D4

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

# Set up the display
i2c = I2C(0, scl=Pin(2), sda=Pin(4))
display = ssd1306.SSD1306_I2C(128, 64, i2c)

# Loop forever
while True:
    display.fill(0) # First clear the display with 0 (black)
    display.text("Value: {}".format(12), 5, 5) # Display a number (12, but could be any variable)
    display.show() # Write the data to the display
    sleep(1) # Wait for 1 second before doing it again