ZeusCast B53AII Display Controller

This Python script reads the CPU temperature and displays it on the Boreas B53AII display. It supports Celsius and Fahrenheit modes, customizable update intervals, and a debug option.

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Requirements

• Python 3.8+
• psutil Python package
• hid Python package
• Access to /dev/hidraw* devices (udev rule or sudo)

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Installation

1. Clone or copy the project:

cd /path/to/ZeusCast

2. Create a virtual environment (optional but recommended):

python3 -m venv .venv
source .venv/bin/activate

3. Install required Python packages:

pip install --upgrade pip
pip install psutil hid

4. Set device permissions (so Python can access the display without sudo):

sudo bash -c 'cat > /etc/udev/rules.d/99-boreas.rules <<EOF
SUBSYSTEM=="hidraw", ATTRS{idVendor}=="1b80", ATTRS{idProduct}=="b53a", MODE="0666"
EOF'
sudo udevadm control --reload
sudo udevadm trigger

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Running the Script

From the project root directory:

source .venv/bin/activate   # if using virtual environment
python ZeusCast.py [OPTIONS]

Available Options

Option	Description	Default
--mode c	Temperature unit: Celsius (c) or Fahrenheit (f)	c
--interval <seconds>	Update interval in seconds	0.25
--debug	Enable debug logs	Disabled

Example:

python ZeusCast.py --mode f --interval 1.0 --debug

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Running in Background

You can run the script in the background using nohup or &:

nohup python ZeusCast.py --mode c --interval 0.25 > zeuscast.log 2>&1 &

Check logs:

tail -f zeuscast.log

Stop the process:

pkill -f ZeusCast.py

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Notes

• Make sure your user has read/write access to /dev/hidraw* (udev rule recommended).
• For systemd integration, make sure the ExecStart points to the absolute path of the script and that the script is executable.

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