Home Server Stats Display

A small project I made that uses Arduino with Python to monitor resource usage on my home server at a quick glance.
It can be used as a base for similar projects, to actively display data on a 16x2 LCD.

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About

This project was made because I had an Arduino Uno kit lying around that I had no time to tinker with, so while setting my home server up, I decided to use it as a way to monitor resource usage it.

At the moment, it's very basic, but it will be expanded and I will add buttons to allow for more features.

1. Arduino Sketch (stats.ino)

   • Handles parsing and writing the data to the display.

2. Python Script (stats.py)

   • Gathers data from the server and sends it to the Arduino via serial.

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⚙️ Requirements

Arduino

• Arduino IDE
• Compatible board (I have Uno with CH340)

Python

• Python 3.8+

• Install dependencies:

  pip install psutil
  pip install pyserial

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Usage

1. Flash the Arduino

1. Open stats.ino in the Arduino IDE.
2. Select your board and port.
3. Upload the sketch.
4. Nothing else, you're ready!

2.1. Run the Python script

python3 stats.py

2.2. Make it run on startup

This is what I wanted so I can keep receiving data after a restart or a power outage without having to restart the script again.

sudo nano /etc/systemd/system/hssd.service

[Unit]
Description=Home Server Stats Display
After=multi-user.target

[Service]
ExecStart=/usr/bin/python3 /path/to/script/stats.py
WorkingDirectory=/path/to/script
Restart=always
User=root

[Install]
WantedBy=multi-user.target

sudo systemctl daemon-restart
sudo systemctl start hssd
sudo systemctl enable hssd

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Demo

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TODO:

• Add seeing per-process CPU and RAM usage (listing through them with a button)
• Add seeing per-disk storage usage and R/W stats (listing through them with a button)
• Add power draw information, CPU speed (per-core) and more.
• Add logging