demo_oled.py

# demo_oled.py

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

OLED_WIDTH = 128
OLED_HEIGHT = 64  # 32

# OLED_I2C_ADDR=0x3c  # 0.91in (burned pixels)
OLED_I2C_ADDR=0x3d  # Adafruit 1.3in (https://adafru.it/938)

# setup the screen
i2c = I2C(0, scl=Pin(1), sda=Pin(0), freq=400000)
oled = ssd1306.SSD1306_I2C(OLED_WIDTH, OLED_HEIGHT, i2c, addr=OLED_I2C_ADDR)

oled.fill(0)

display = oled

for x in range(0, OLED_WIDTH // 2, 3):
    x1 = x
    x2 = OLED_WIDTH - 2 * x
    y1 = x
    y2 = OLED_HEIGHT - 2 * x
    # print(f"Draw rect: {x1},{y1} - {x2},{y2}")
    oled.rect(x1, y1, x2, y2, 1)
    oled.show()
time.sleep(10)

# Draw the MicroPython logo and print some text:
# See https://docs.micropython.org/en/latest/esp8266/tutorial/ssd1306.html
#
display.fill(0)
display.fill_rect(0, 0, 32, 32, 1)
display.fill_rect(2, 2, 28, 28, 0)
display.vline(9, 8, 22, 1)
display.vline(16, 2, 22, 1)
display.vline(23, 8, 22, 1)
display.fill_rect(26, 24, 2, 4, 1)
display.text('MicroPython', 40, 0, 1)
display.text('SSD1306', 40, 12, 1)
display.text(f'OLED {OLED_WIDTH}x{OLED_HEIGHT}', 40, 24, 1)
display.show()
time.sleep(10)

oled.poweroff()

# EOF