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PiHole_Monitor

Display PiHole statistics on ssd1306 128x64 I²C LCD

Inspired by this tutorial but tweaked, updated for 2022 libraries and without LED (and it works)

Circuit Diagram

Circuit Diagram

Installation

For Raspberry OS, make sure I²C is enabled within config

sudo raspi-config

Install required libraries (might work without all of them but just in case)

sudo apt install python3-gpiozero & pip install RPi.GPIO adafruit-circuitpython-ssd1306

Download PiHole_mon.py and font file

wget https://raw.githubusercontent.com/Rob2n/PiHole_Monitor/main/PiHole_mon.py ; wget https://raw.githubusercontent.com/Rob2n/PiHole_Monitor/main/VCR_OSD_MONO_1.001.ttf

Run on startup

Add a cron task by doing

crontab -e

and add the following line to the end

@reboot python3 /home/pi/PiHole_mon.py &

Every 30 seconds the screen refreshes the displayed data.

By pressing the button you can switch screens to display more info. The different screens are:

  • Screen 1 (Main)
    • Total blocked percentage
    • Total blocked count
  • Screen 2
    • Total blocked count
    • Total number of queries
    • CPU temperature
  • Screen 3
    • CPU usage
    • Memory in use/Total memory
    • Disk space used/Total disk space