Displaying IP address on OLED using Raspberry Pi

rpi_oled_displayIP.py

"""
Displaying IP address on OLED using Raspberry Pi Zero 2 W

- Raspberry Pi Zero 2 W
  https://my.cytron.io/p-raspberry-pi-zero-2-w-wch
- Maker pHAT
  https://my.cytron.io/p-maker-phat-simplifying-raspberry-pi-for-education
- Grove - OLED Display 0.96 inch
  https://my.cytron.io/p-grove-oled-display-0p96-inch-ssd1315

Install additional library:
Open Terminal and write following command
$ pip install adafruit-circuitpython-ssd1306

Use this example code, save as "oled_displayIP.py" under "Documents" folder

Auto run at boot
$ crontab -e
$ @reboot python /home/pi/Documents/oled_displayIP.py

Last Modified: 25 Nov 2021
"""

import time
import board
import digitalio
import adafruit_ssd1306
from PIL import Image, ImageDraw, ImageFont
import subprocess
import os

buzzer = digitalio.DigitalInOut(board.D26)
buzzer.direction = digitalio.Direction.OUTPUT

i2c = board.I2C()
oled = adafruit_ssd1306.SSD1306_I2C(128, 64, i2c)


def beep(times, delay):
    for i in range(times):
        buzzer.value = True
        time.sleep(delay)
        buzzer.value = False
        time.sleep(delay)


oled.fill(0)
oled.show()

# Create blank image for drawing.
image = Image.new("1", (oled.width, oled.height))
draw = ImageDraw.Draw(image)

# Load a font in 2 different sizes.
font = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/DejaVuSansCondensed-Bold.ttf", 14)
font2 = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/DejaVuSansCondensed.ttf", 12)

print("Wait for network")
draw.text((15, 25), "Wait for network", font=font2, fill=255)

# Display image
oled.image(image)
oled.show()

beep(1, 0.1)

while True:
    # Clear the image
    draw.rectangle((0, 0, oled.width, oled.height), outline=0, fill=0)
    
    try:
        IP = subprocess.check_output(["hostname", "-I"]).split()[0]
        print("{}".format(IP.decode("utf-8")))

        # Draw the text
        draw.text((0, 0), "IP Address:", font=font2, fill=255)
        draw.text((0, 19), "{}".format(IP.decode("utf-8")), font=font, fill=255)
        draw.text((0, 38), "Raspberry Pi 4B", font=font2, fill=255)
        draw.text((0, 51), "8GB RAM", font=font2, fill=255)
        
        break
    
    except:
        print("Retrying...")
        # Draw the text
        #draw.text((35, 25), "Retrying...", font=font2, fill=255)
        
    time.sleep(5)

beep(1, 0.1)

# Display image
oled.image(image)
oled.show()